PATENTS   
Patents > Guidance, Tools, and Manuals >> Classification >>> Class Definition
    Class Numbers & Titles   | Class Numbers Only   | USPC Index   | International   | HELP  
You are viewing a Class definition.

 [Search a list of Patent Appplications for class 558]   CLASS 558,ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
Click here for a printable version of this file

SECTION I - CLASS DEFINITION

Class 558, Organic Compounds. In this series of classes, Class 558 is to be considered as an integral part of Class 260 (after class 556) and follows the schedule hierarchy, retaining all pertinent definitions and class lines of Class 260.

SUBCLASSES

[List of Patents for class 558 subclass 1]    1Thioimidate esters (i.e., compounds having the thioimidate group, HN=CH-S-, wherein substitution may be made for hydrogen only, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein the thiomidate group, HN=CH-S-, in which substitution may be made for hydrogen only, is bonded direcctly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 1

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing chalcogens or nitrogen.
  
[List of Patents for class 558 subclass 2]    2Chalcogen bonded directly to the carbon of the thioimidate group (e.g., HN=C(OH)-S-, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 1.  Compounds wherin the carbon of the thioimidate group is bonded directly to chalcogen (i.e., oxygen, sulfur, selenlum, or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 2

  
[List of Patents for class 558 subclass 3]    3Oxygen attached directly to the nitrogen of the thioimidate group by nonionic bonding (i.e., HO-N=CH-S-, wherein substitution may be hydrogen only)
 This subclass is indented under subclass 1.  Compounds wherein the nitrogen of the thioimidate group is attached directly to oxygen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 3

  
[List of Patents for class 558 subclass 4]    4Nitrogen bonded directly to the carbon of the thioimidate group (i.e., pseudothioureas, HN=C(HNH)-S-, wherein substitution may be made for hydrogen only)
 Compounds under subclass wherein the carbon of the thiomidate group is bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 4

  
[List of Patents for class 558 subclass 5]    5Chalcogen attached indirectly to the thioimidate group by acyclic nonionic bonding
 This subclass is indented under subclass 4.  Compounds wherein the thioimidate group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 5

  
[List of Patents for class 558 subclass 6]    6Imidate esters (i.e., compounds having the imidate group, HN=CH-O-, wherein substitution may be made for hydrogen only, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein the imidate group, HN=CH-O, in which substitution may be made for hydrogen only, is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 6

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 406 , 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, or nitrogen.
  
[List of Patents for class 558 subclass 7]    7Oxygen attached directly to the nitrogen of the imidate group by nonionic bonding (i.e., HO-N=CH-O-, wherein substitution may be made for hydrogen only)
 Compounds under subcclass 6 wherein the nitrogen of the imidate group is attached directly to oxygen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 7

  
[List of Patents for class 558 subclass 8]    8Nitrogen bonded directly to the carbon of the imidate group (i.e., pseudoureas, HN=C(HNH)-O-, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 6.  Compounds wherein the carbon of the imidate group is bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 8

  
[List of Patents for class 558 subclass 9]    9Carbon bonded directly to the nitrogen of the imidate group (e.g., N cyanoimidates, etc.)
 This subclass is indented under subclass 6.  Compounds wherein the nitrogen of the imidate group is bonded directly to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 9

  
[List of Patents for class 558 subclass 10]    10Thiocyanate esters (i.e., compounds having the thiocyano group, -SCN, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein the thiocyano group, -S-C=N, is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 10

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 406 , 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, or nitrogen.
  
[List of Patents for class 558 subclass 11]    11Plural thiocyano groups attached to each other indirectly by nonionic bonding
 Compounds under 10 in which plural thiocyano groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 11

  
[List of Patents for class 558 subclass 12]    12Thiocyano and the carbonyl carbon of a -COO- group are attached to the same carbon or to a chain consisting of carbons, which chain may include ring members (e.g., terpene thiocyanoacyl compounds, etc.)
 This subclass is indented under subclass 10.  Compounds wherein the carbonyl carbon of a -C(=0)0- group and the thiocyano group are attached to the same carbon or to a chain consisting off carbons, which chain may include ring members.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 12

  
[List of Patents for class 558 subclass 13]    13Thiocyano bonded directly to a benzene ring
 This subclass is indented under subclass 10.  Compounds wherein a benzene ring is bonded directly to the thiocyano group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 13

  
[List of Patents for class 558 subclass 14]    14Nitrogen or carbonyl attached indirectly to the thiocyano group by acyclic nonionic bonding
 This subclass is indented under subclass 10.  Compounds wherein the thiocyano group is attached indirectly to nitrogen or carbony1, -C(=0)-, by acyclic nonlonic bonding.
(1) Note. Example of compounds provided for herein are:

Image 1 for class 558 subclass 14

  
[List of Patents for class 558 subclass 15]    15Sulfur or halogen attached indirectly to the thiocyano group by acyclic nonionic bonding
 This subclass is indented under subclass 10.  Compounds wherein the thiocyano group is attached indirectly to sulfur or halogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 15

  
[List of Patents for class 558 subclass 16]    16Oxygen attached indirectly to the thiocyano group by acyclic nonionic bonding
 This subclass is indented under subclass 10.  Compounds wherein the thiocyano group is attached indirectly to oxygen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 16

  
[List of Patents for class 558 subclass 17]    17Isothiocyanate esters (i.e., compounds containing the isothiocyanate group, -N=C=S, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein the isothiocyanate group, -N=C=S, is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 17

  
[List of Patents for class 558 subclass 18]    18Processes for forming the isothiocyanate group
 This subclass is indented under subclass 17.  Processes wherein the isothioicyanate group is formed.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 18

  
[List of Patents for class 558 subclass 19]    19Thiocyano, isocyanate, or isocyanide dihalide group containing compound utilized (i.e., -SCN, -N=C=O, or -N=CXX containing compound utilized wherein X is halogen)
 This subclass is indented under subclass 18.  Processes underr ... in which there is utilized a thiocyano (-S-C=N) compound, an isocyanate (-N=C=O) compound, or an isocyanide dihalide (-N=CXX, wherein X is halogen) compound.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 19

  
[List of Patents for class 558 subclass 20]    20Sulfate esters ( i.e., compounds having the sulfate group, -O-S(=O)(=O)O-, bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compound under Class 532, ... which contain the sulfate group, -0-S(=0)(=0)0- wherein at least one of the single bonded oxygens is bonded directly to carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 20

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 405 through 409for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, nitrogen, or metals.
  
[List of Patents for class 558 subclass 21]    21With preservative or stabilizer
 This subclass is indented under subclass 20.  Products wherein the sulfate ester is mixed with a stabiliizing or preserving agent, whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 558 subclass 22]    22Phosphorus attached directly or indirectly to the sulfate group by nonionic bonding
 This subclass is indented under subclass 20.  Compounds in which the sulfate group is attached directly or indirectly to phosphorus by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 22

  
[List of Patents for class 558 subclass 23]    23Chalcogen bonded directly to the sulfate group
 This subclass is indented under subclass 20.  Compounds in which the sulfate group is bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 23

  
[List of Patents for class 558 subclass 24]    24Plural sulfate groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 20.  Compounds in which plural sulfate groups are indirectly attached to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 24

  
[List of Patents for class 558 subclass 25]    25Nitrogen attached indirectly to a sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 24.  Compounds wherein a sulfate group is attached indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 25

  
[List of Patents for class 558 subclass 26]    26Additional chalcogen attached indirectly to a sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 24.  Compounds wherein one of the sulfate groups is attached indirectly to an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 26

  
[List of Patents for class 558 subclass 27]    27Quaternary nitrogen containing
 This subclass is indented under subclass 20.  Compounds which contain a quaternary nitrogen.
(1) Note. Quaternary nitrogen is pentavalent nitrogen bonded by four valences to carbon, and ionically to an anion for the remaining valence.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 27

  
[List of Patents for class 558 subclass 28]    28Having -C(=X)-, wherein X is chalcogen, attached indirectly to the quaternary nitrogen
 This subclass is indented under subclass 27.  Compounds wherein the quaternary nitrogen is attached indirectly to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 28

  
[List of Patents for class 558 subclass 29]    29Nitrogen attached indirectly to the sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is attached indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. Example of compounds provided for herein are:

Image 1 for class 558 subclass 29

  
[List of Patents for class 558 subclass 30]    30Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 29.  Compounds wherein the nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).

Image 1 for class 558 subclass 30

  
[List of Patents for class 558 subclass 31]    31Chalcogen attached indirectly to the sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium or tellurium) by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 31

  
[List of Patents for class 558 subclass 32]    32The chalcogen, X, is part of a -C(=X)- group
 This subclass is indented under subclass 31.  Compounds wherein the chalcogen X is in the following group: -C(=X)-.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 32

  
[List of Patents for class 558 subclass 33]    33The chalcogen is bonded directly to a ring
 This subclass is indented under subclass 31.  Compounds wherein a ring is bonded directly to the chalcogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 33

  
[List of Patents for class 558 subclass 34]    34Plural chalcogens attached indirectly to the sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 31.  Compounds wherein the sulfate group is attached indirectly to plural chalcogens by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 34

  
[List of Patents for class 558 subclass 35]    35Halogen attached indirectly to the sulfate group by acyclic nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is attached indirectly to halogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 35

  
[List of Patents for class 558 subclass 36]    36Acyclic carbon chain containing carbon to carbon unsaturation attached directly to the sulfate group by nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is attached directly to an acyclic carbon chain containing carbon to carbon unsaturation.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 36

  
[List of Patents for class 558 subclass 37]    37Benzene ring attached directly or indirectly to the sulfate group by nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is attached directly or indirectly to a benzene ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 37

  
[List of Patents for class 558 subclass 38]    38Plural alkyl groups, or hydrogen and an alkyl group, bonded directly to the sulfate group, wherein the hydrogen may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal (e.g., ethyl hydrogen sulfate, methyl ammonium sulfate, diethyl sulfate, etc.)
 This subclass is indented under subclass 20.  Compounds wherein the sulfate group is bonded directly to plural alkyl groups, or to hydrogen and an alkyl group, wherein the hydrogen may be replaced by a group 1A or 11A light metal or by substituted or unsubstituted ammonium.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 38

  
[List of Patents for class 558 subclass 39]    39Processes
 This subclass is indented under subclass 38.  Processes of preparing, purifying, recovering, or any treating of the compound.
  
[List of Patents for class 558 subclass 40]    40Heavy metal containing material utilized (e.g., as catalyst, promoter, etc.)
 This subclass is indented under subclass 39.  Processes wherein heavy metal containing material is utilized.
(1) Note. The material may be utilized as a catalyst, as a promoter, or in any other way.
  
[List of Patents for class 558 subclass 41]    41Reactant contains alcoholic -OH group (wherein H of -OH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 39.  Processes wherein there is employed as a reactant a compound having an alcoholic -OH group (wherein H of the -OH may be replaced by substituted or unsubstituted ammonium, or by a Group 1A or 11A light metal).
  
[List of Patents for class 558 subclass 42]    42Reactant contains acyclic or alicyclic carbon to carbon double bond
 This subclass is indented under subclass 39.  Processes wherein a reactant which contains an acyclic or alicyclic carbon to carbon double bond is employed.
  
[List of Patents for class 558 subclass 43]    43Purification or recovery
 This subclass is indented under subclass 39.  Processes which include separating the sulfate group containing compound from impurities or from the reaction mixture.
  
[List of Patents for class 558 subclass 44]    44Sulfonate esters (i.e., compounds having the sulfonate group, -O-S(=O)(=O) , wherein the single bonded oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the sulfonate group, -O-S (=O) (=O)-, wherein carbon is directly bonded to the single bonded oxygen, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 44

  
[List of Patents for class 558 subclass 45]    45Phosphorus attached directly or indirectly to the sulfonate group by nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein the sulfonate group is attached directly or indirectly to phosphorus by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 45

  
[List of Patents for class 558 subclass 46]    46Plural sulfonate groups attached indirectly to each other by nonionic bonding
 Compounds under subclasses 44 wherein plural sulfonate groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 46

  
[List of Patents for class 558 subclass 47]    47Nitrogen attached directly or indirectly to a sulfonate group by nonionic bonding
 This subclass is indented under subclass 46.  Compounds which a sulfonate group is attached directly or indirectly to nitrogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 47

  
[List of Patents for class 558 subclass 48]    48Nitrogen attached directly or indirectly to the sulfonate group by acyclic nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein the sulfonate group is attached directly or indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 48

  
[List of Patents for class 558 subclass 49]    49The nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 40.  Compounds in which the nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 49

  
[List of Patents for class 558 subclass 50]    50Additional nitrogen attached directly or indirectly to the -C(=X)- group by acyclic nonionic bonding
 This subclass is indented under subclass 49.  Compounds wherein the -C(=X)- group is attached directly or indirectly to aditional nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 50

  
[List of Patents for class 558 subclass 51]    51Chalcogen attached indirectly to the sulfonate group by acyclic nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein the sulfonate group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 51

  
[List of Patents for class 558 subclass 52]    52The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 51.  Compounds wherein the chalcogen, X is in the following group:
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 52

  
[List of Patents for class 558 subclass 53]    53Halogen attached directly or indirectly to the sulfonate group by acyclic nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein the sulfonate group is attached directly or indirectly to halogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 53

  
[List of Patents for class 558 subclass 54]    54Plural halogens attached indirectly to the sulfonate group by acyclic bonding
 This subclass is indented under subclass 53.  Compounds wherein the sulfonate group is attached indirectly to plural halogens by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 54

  
[List of Patents for class 558 subclass 55]    55Acyclic carbon chain containing carbon to carbon unsaturation attached directly to the sulfonate group by nonionic bonding
 This subclass is indented under subclass 44.  Compounds where the sulfonate group is attached directly to an acyclic carbon chain containing carbon to carbon unsaturation.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 55

  
[List of Patents for class 558 subclass 56]    56Benzene ring bonded directly to the sulfonate group
 This subclass is indented under subclass 44.  Compounds wherein the sulfonate group is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 56

  
[List of Patents for class 558 subclass 57]    57Alicyclic ring attached directly or indirectly to the sulfonate group by nonionic bonding
 This subclass is indented under subclass 56.  Compounds wherein the sulfonate group is attached directly or indirectly to an alicylic ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 57

  
[List of Patents for class 558 subclass 58]    58Additional benzene ring containing
 This subclass is indented under subclass 56.  Compounds which contain an additional benzene ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 58

  
[List of Patents for class 558 subclass 59]    59Sulfite esters (i.e., compounds having the sulfite group, -O-S(=O)O-, bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the sulfite group, -O-S(=O)O-, wherein at least one of the single bonded oxygens is bonded directly to carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 59

  
[List of Patents for class 558 subclass 60]    60Chalcogen attached indirectly to the sulfite group by acyclic nonionic bonding
 This subclass is indented under subclass 59.  Compounds in which the sulfite group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 60

  
[List of Patents for class 558 subclass 61]    61Sulfinate esters (i.e., compounds having the sulfinate group, -O-S(=O)-, wherein the single bonded oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the sulfinate group, -O-S(=O)-, wherein carbon is bonded directly to the single bonded oxygen, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 61

  
[List of Patents for class 558 subclass 62]    62Sulfenate esters (i.e., compounds having the sulfenate group, -S-O-, wherein the oxygen is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the sulfenate group, -S-O-, wherein the oxygen is bonded directly to carbon, which carbonmay be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 62

  
[List of Patents for class 558 subclass 70]    70Phosphorus esters (i.e., compounds having the phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen, and wherein the carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain a phosphorus ester group, wherein trivalent or pentavalent phosphorus and carbon are bonded directly to the same divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), and wherein the carbon may be single bonded to any element but may be multiple bonded only to carbon.
(1) Note. Among the different phosphorus ester groups classifiable in this and indented subclasses are (see illustration below) wherein the X"s may be the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).

Image 1 for class 558 subclass 70

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 405 through 409for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, nitrogen, phosphorus, or metals.
  
[List of Patents for class 558 subclass 71]    71With preservative or stabilizer
 This subclass is indented under subclass 70.  Products which contain a phosphorus ester in admixture with a preservative or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 558 subclass 72]    72Boron containing
 This subclass is indented under subclass 70.  Compounds which contain boron.
  
[List of Patents for class 558 subclass 73]    73The phosphorus is in a ring
 This subclass is indented under subclass 70.  Compounds wherein the phosphorus is part of a ring.
  
[List of Patents for class 558 subclass 74]    74Ring phosphorus is shared by two rings
 This subclass is indented under subclass 73.  Compounds wherein the ring phosphorus is shared by two rings.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 74

  
[List of Patents for class 558 subclass 75]    75Phosphorus and nitrogen in the same ring
 This subclass is indented under subclass 74.  Compounds in which one of the rings contains phosphorus and nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 75

  
[List of Patents for class 558 subclass 76]    76Additional phosphorus containing ring
 This subclass is indented under subclass 73.  Compounds which contain more than one phosphorus containing ring.
  
[List of Patents for class 558 subclass 77]    77Phosphorus, and two chalcogens bonded directly thereto, in the same ring (e.g., cyclic phosphonates, etc.)
 This subclass is indented under subclass 76.  Compounds which contain a phosphorus atom with two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) bonded directly thereto in the same ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 77

  
[List of Patents for class 558 subclass 78]    78Acyclic divalent chalcogen single bonded directly to the ring phosphorus (e.g., cyclic phosphites, etc.)
 This subclass is indented under subclass 77.  Compounds wherein an acyclic divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the ring phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 78

  
[List of Patents for class 558 subclass 79]    79And divalent chalogen double bonded directly to the ring phosphorus (e.g., cyclic phosphates, etc.)
 This subclass is indented under subclass 78.  Compounds wherein a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is double bonded directly to the ring phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 79

  
[List of Patents for class 558 subclass 80]    80And nitrogen in the ring
 This subclass is indented under subclass 73.  Compounds wherein the phosphorus containing ring also contains nitrogen as a ring member.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 80

  
[List of Patents for class 558 subclass 81]    81And chalcogen or carbon in the ring
 This subclass is indented under subclass 80.  Compounds wherein the phosphorus containing ring also contains carbon or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) as a ring member.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 81

  
[List of Patents for class 558 subclass 82]    82And carbon and chalcogen in the ring
 This subclass is indented under subclass 73.  Compounds wherein the phosphorus containing ring also contains carbon and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) as ring members.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 82

  
[List of Patents for class 558 subclass 83]    83Plural chalcogens in the ring
 This subclass is indented under subclass 82.  Compounds wherein the phosphorus containing ring contains at least two ring chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 83

  
[List of Patents for class 558 subclass 84]    84The ring phosphorus is attached directly to halogen or an acyclic nitrogen by nonionic bonding
 This subclass is indented under subclass 83.  Compounds wherein the ring phosphorus is attached directly to an acyclic nitrogen or to halogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 84

  
[List of Patents for class 558 subclass 85]    85Acyclic divalent chalcogen single bonded directly to the ring phosphorus (e.g., cyclic phosphites, etc.)
 This subclass is indented under subclass 83.  Compounds in which an acyclic divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is single bonded directly to the ring phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 85

  
[List of Patents for class 558 subclass 86]    86And divalent chalcogen double bonded directly to the ring phosphorus (e.g., cyclic phosphates, etc.)
 This subclass is indented under subclass 85.  Compounds in which a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is double bonded directly to the ring phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 86

  
[List of Patents for class 558 subclass 87]    87Processes
 This subclass is indented under subclass 70.  Processes for the preparation of phosphorus ester compounds or for the treatment of these compounds.

SEE OR SEARCH THIS CLASS, SUBCLASS:

146,for processes of purification or recovery of phosphorus esters.
  
[List of Patents for class 558 subclass 88]    88Isomerization
 This subclass is indented under subclass 87.  Processes wherein there occurs transformation or rearrangement of the elements of a starting compound without the addition or removal of any elements.
  
[List of Patents for class 558 subclass 89]    89Forming the phosphorus ester group
 This subclass is indented under subclass 87.  Processes in which a phosphorus ester group is formed.
(1) Note. See this class, subclass 70 for the definition of a phosphorus ester group and for the structure of the different phosphorus ester groups.
  
[List of Patents for class 558 subclass 90]    90Reactant having halogen attached directly to phosphorus by nonionic bonding
 This subclass is indented under subclass 89.  Processes wherein a reactant contains halogen attached directly to phosphorus by nonionic bonding.
  
[List of Patents for class 558 subclass 91]    91And reactant having chalcogen-containing hetero ring
 This subclass is indented under subclass 90.  Processes wherein an additional reactant contains a chalcogen containing hetero ring, wherein chalcogen is oxygen, sulfur, selenium, or tellurium.
  
[List of Patents for class 558 subclass 92]    92And reactant having alcoholic or phenolic -XH group, wherein X is chalcogen (and wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 90.  Processes wherein an additional reactant contains a chalcogen containing hetero ring, wherein chalcogen is oxygen, sulfur, selenium, or tellurium.
  
[List of Patents for class 558 subclass 93]    93And nitrogen bonded directly to the phosphorus in the phosphorus containing reactant
 This subclass is indented under subclass 92.  Processes in which the phosphorus in the phosphorus containing reactant is attached directly to four or five halagens by nonionic bonding.
  
[List of Patents for class 558 subclass 94]    94Four or five halogens attached directly to the phosphorus in the phosphorus containing reactant by nonionic bonding
 This subclass is indented under subclass 92.  Processes in which the phosphorus in the phosphorus containing reactant is trivalent.
  
[List of Patents for class 558 subclass 95]    95The phosphorus in the reactant is trivalent
 This subclass is indented under subclass 92.  Processes in which the phosphorus in the phosphorus containing reactant is trivalent.
  
[List of Patents for class 558 subclass 96]    96Nitrogen containing compound utilized (e.g., pyridine, carbamates, urea, etc., utilized as catalysts, proton acceptors, etc.)
 This subclass is indented under subclass 95.  Processes in which a nitrogen containing compound is utilized.
(1) Note. The nitrogen containing compound con be present as a catalyst, a proton acceptor, etc.
  
[List of Patents for class 558 subclass 97]    97Trivalent phosphorus converted into pentavalent phosphorus
 This subclass is indented under subclass 95.  Processes wherein the trivalent phosphorus in converted into a pentavalent phosphorus.
(1) Note. This subclass provides for processes wherein the phosphorusis oxidized from a trivalent state to a pentavalent state and a phosphorus ester group is formed.
  
[List of Patents for class 558 subclass 98]    98And carbon bonded directly to the phosphorus in the phosphorus containing reactant (e.g., methyl phosphonodichloride, etc.)
 This subclass is indented under subclass 92.  Processes in which the phosphorus in the posphorus containing reactant contains carbon bonded to phosphorus.
  
[List of Patents for class 558 subclass 99]    99And divalent chalcogen single bonded directly to the phosphorus in the phosphorus containing reactant (e.g., diethyl phosphorochloridate, etc.)
 This subclass is indented under subclass 92.  Processes in which the phosphorus in the phosphorus containing reactant containing divalent chalcogen (i.e., oxygen, sulfur, selenium, or telurium) single bonded directly to phosphorus.
  
[List of Patents for class 558 subclass 100]    100Nitrogen containing compound utilized (e.g., pyridine, carbamates, urea, etc., utilized as catalysts, proton acceptors, etc.)
 This subclass is indented under subclass 99.  Processes wherein a nitrogen containing compound is utilized.
(1) Note. The nitrogen containing compound can be present as a catalyst, proton acceptor, etc.
  
[List of Patents for class 558 subclass 101]    101Nitrogen containing compound utilized (e.g., pyridine, carbamates, urea, etc., utilized as catalysts, proton acceptors, etc.)
 This subclass is indented under subclass 92.  Processes in which a nitrogen containing compound is utilized.
(1) Note. The nitrogen containing compound can be present as a catalyst, promoter, proton acceptor, etc.
  
[List of Patents for class 558 subclass 102]    102Metal containing material utilized (e.g., as catalysts, etc.)
 This subclass is indented under subclass 92.  Processes in which a metal containing material is utilized.
  
[List of Patents for class 558 subclass 103]    103And reactant having -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 90.  Processes wherein an additional reactant contains a -C(=X)- group. wherein X is chalcocgen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 558 subclass 104]    104Reactant has -XH, wherein X is chalcogen, bonded directly to phosphorus (wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 89.  Processes in which phos- phorus in a phosphorus containing reactant is bonded directly to an -XH group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and wherein H of the -XH group may be replaced by substituted or unsubstituted ammonium, or by a Group IA or Group IIA light metal.
  
[List of Patents for class 558 subclass 105]    105And reactant having three-membered hetero ring
 This subclass is indented under subclass 104.  Processes wherein an additional reactant includes a three-membered hetero ring.
  
[List of Patents for class 558 subclass 106]    106And reactant having halogen bonded directly to carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon
 This subclass is indented under subclass 104.  Processes wherein an additional reactant contains halogen bonded directly to carbon, which carbon may be single bonded to any element, but may be multiple bonded only to carbon.
  
[List of Patents for class 558 subclass 107]    107Having -C(=X)-, wherein X is chalcogen, or cyano attached indirectly to the halogen by acyclic nonionic bonding
 This subclass is indented under subclass 106.  Processes in which cyano or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached indurectly to the halogen by acyclic nonionic bonding.
  
[List of Patents for class 558 subclass 108]    108And -C(=X)- containing reactant, wherein X is chalcogen
 This subclass is indented under subclass 104.  Processes wherein an additional reactant contains -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 558 subclass 109]    109And unsaturated hydrocarbon reactant (e.g., pinene, allylene, etc.)
 This subclass is indented under subclass 104.  Processes in which an additional reactant is an unsatruated hydrocarbon.
  
[List of Patents for class 558 subclass 110]    110And reactant having alcoholic or phenolic -XH group, wherein X is chalcogen (and wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 104.  Processes wherein an additional reactant includes an alcoholic or phenolic -XH group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and wherein H of the -XH group may be replaced by substituted or unsubstituted ammonium, or by a Group 1A or Group 11A light metal.
  
[List of Patents for class 558 subclass 111]    111Additional diverse phosphorus containing reactant
 This subclass is indented under subclass 104.  Processes in which an additional reactant is a diverse phosphorus containing compound.
  
[List of Patents for class 558 subclass 112]    112Reactant consists of phosphorus and sulfur (e.g., phosphorus pentasulfide, etc.)
 This subclass is indented under subclass 89.  Processes in which a reactant contains only phosphorus and sulfur.
  
[List of Patents for class 558 subclass 113]    113Reactant consists of phosphorus and oxygen (e.g., phosphorus pentoxide, etc.)
 This subclass is indented under subclass 89.  Processes in which a reactant contains only phosphorus and oxygen.
  
[List of Patents for class 558 subclass 114]    114And reactant having alcoholic or phenolic -XH group, wherein X is chalcogen (and wherein H of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 113.  Processes in which an additional reactant includes an alcoholic or phenolic -XH group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellrium) and wherein H of the -XH group may be replaced by substituted or unsubstituted ammonium, or by a Group 1A or 11A light metal.
  
[List of Patents for class 558 subclass 115]    115Trivalent phosphorus converted into pentavalent phosphorus
 This subclass is indented under subclass 89.  Processes in which a trivalent phosphorus is converted into a pentavalent phosphorus.
  
[List of Patents for class 558 subclass 116]    116Reactant having halogen and -C(=X)-, wherein X is chalcogen, bonded directly to the same carbon (e.g., alpha halo carbonyl compounds, etc.)
 This subclass is indented under subclass 115.  Processes in which a reactant contains halogen and -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the same carbon.
(1) Note. This subclass provides for processes which include Perkow-type reactions wherein an alpha - halo coabonyl compound is utilized as reactant.
(2) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 116

  
[List of Patents for class 558 subclass 117]    117Reactant is a phosphorus ester (e.g., transesterification, etc.)
 This subclass is indented under subclass 89.  Processes in which a phosphorus ester is a reactant.
(1) Note. This subclass provides for transesterification processes wherein one, or more, of the ester groups in a phosphorus ester compound is replaced by another ester group.
  
[List of Patents for class 558 subclass 118]    118And reactant having alcoholic or phenolic -XH group, wherein X is chalcogen (and wherein X of -XH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 117.  Processes in which an additional reactant contains an alcoholic or a phenolic -XH group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and wherein the H of the -XH group may be replaced by substituted or unsubstituted ammonium, or by a Group IA or Group IIA light metal.
  
[List of Patents for class 558 subclass 119]    119The -XH is bonded directly to alkyl
 This subclass is indented under subclass 118.  Processes in which an alkyl group is bonded directly to the -XH group.
  
[List of Patents for class 558 subclass 120]    120The phosphorus ester reactant has hydrogen or metal bonded directly to phosphorus
 This subclass is indented under subclass 117.  Processes in which hydrogen or metal is bonded directely to phosphorus in the phosphorus ester reactant.
  
[List of Patents for class 558 subclass 121]    121Elemental phosphorus reactant
 This subclass is indented under subclass 89.  Processes in which elemental phosphorus is a reactant.
  
[List of Patents for class 558 subclass 122]    122Trivalent phosphorus converted into pentavalent phosphorus
 This subclass is indented under subclass 87.  Processes in which a trivalent phosphorus is converted into a pentavalent phosphorus.
  
[List of Patents for class 558 subclass 123]    123Molecular oxygen or elemental sulfur reactant (e.g., air, etc.)
 This subclass is indented under subclass 122.  Processes in which the reactant is molecular oxygen or elemental sulfur.
(1) Note. Air is included herein.
  
[List of Patents for class 558 subclass 124]    124Reactant having halogen bonded directly to carbon (e.g., Arbuzov rearrangement, etc.)
 This subclass is indented under subclass 122.  Processes in which a reactant has halogen bonded directly to carbon.
(1) Note. This subclass provides for processes which include Arbuzov rearrangement reactions.
(2) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 124

  
[List of Patents for class 558 subclass 125]    125The reactant contains carbon to carbon unsaturation
 This subclass is indented under subclass 124.  Processes in which the reactant contains carbon multiple bonded to another carbon.
  
[List of Patents for class 558 subclass 126]    126Reactant having -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 122.  Processes in which a reactant contains a -C(=X)-, group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 558 subclass 127]    127Forming a linkage wherein divalent chalcogen is bonded directly to two phosphori (e.g., forming the pyrophosphate linkage, etc.)
 This subclass is indented under subclass 87.  Processes which include joining a direct linkage between a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and each of two phosphori.
  
[List of Patents for class 558 subclass 128]    128Reactant having halogen attached directly to phosphorus by nonionic bonding
 This subclass is indented under subclass 127.  Processes in which a reactant contains halogen attached directly to phosphorus by nonionic bonding.
  
[List of Patents for class 558 subclass 129]    129Forming or utilizing an -O-O- or -S-S- group
 This subclass is indented under subclass 87.  Processes in which the -0-0- group or the -S-S- group is formed, or processes in which compounds which contain the -O-O- group or the -S-S- group are utilized.
  
[List of Patents for class 558 subclass 130]    130Forming P-X-C(=X)- group, wherein the X's may be the same or different chalcogens and the phosphorus may be trivalent or pentavalent
 This subclass is indented under subclass 87.  Processes which include forming the P-X-C(=X)- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), and the phosphorus may be trivalent or pentavalent.
  
[List of Patents for class 558 subclass 131]    131Converting a phosphorus ester group to a P-XH group, wherein H of -XH may be replaced by substituted or unsubstituted ammonium or by a Group IA or IIA light metal, and wherein X is chalogen and P may be trivalent or pentavalent
 This subclass is indented under subclass 87.  Processes wherein a P-XH group is formed from a phosphorus ester group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), P is trivalent or pentavalent, and H of -XH may be replaced by substituted or unsubstituted ammonium or by a Group IA or IIA light metal.
  
[List of Patents for class 558 subclass 132]    132Forming phosphorus to chalcogen bond
 This subclass is indented under subclass 87.  Processes wherein a bond is formed between phosphorus and chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Included in this subclass are processes wherein a phosphorus to sulfur bond is replaced by a phosphorus to oxygen bond, etc.
  
[List of Patents for class 558 subclass 133]    133Replacing H of P-XH with substituted or unsubstituted ammonium, or with a Group IA or IIA light metal, and wherein X is chalcogen and P is trivalent or pentavalent
 This subclass is indented under subclass 87.  Processes wherein ammounium, substituted ammonium, or a Group IA or IIA light metal replaces the H of a P-XH group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and P is trivalent or pentavalent.
  
[List of Patents for class 558 subclass 134]    134Substituting carbon for halogen, hydrogen, or metal bonded directly to the phosphorus
 This subclass is indented under subclass 87.  Processes in which an aldehyde or a ketone is a reactant.
  
[List of Patents for class 558 subclass 135]    135Aldehyde or ketone reactant
 This subclass is indented under subclass 134.  Processes wherein a ketone or aldehyde (i.e., RCOR or RCHO) is employed as a reactant.
  
[List of Patents for class 558 subclass 136]    136Reactant having halogen bonded directly to carbon (e.g., ethyl bromide, benzoyl chloride, etc.)
 This subclass is indented under subclass 134.  Processes in which a reactant utilized contains halogen bonded directly to carbon.
  
[List of Patents for class 558 subclass 137]    137Reactant having acyclic or alicyclic carbon to carbon unsaturation
 This subclass is indented under subclass 134.  Processes in which a reactant contains acyclic or alicyclic carbon to carbon unsaturation.
  
[List of Patents for class 558 subclass 138]    138Forming phosphorus to nitrogen bond
 This subclass is indented under subclass 87.  Processes which include forming a phosphorus to nitrogen bond.
  
[List of Patents for class 558 subclass 139]    139Forming a -C(=X)NHH or -N=C=O group, wherein X is chalcogen and substitution may be made for hydrogen only
 This subclass is indented under subclass 87.  Processes which include forming the -C(=X)NHH or -N=C=O group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and substitution may be made for hydrogen only.
  
[List of Patents for class 558 subclass 140]    140Forming nonionic phosphorus to halogen bond
 This subclass is indented under subclass 87.  Processes which include forming a nonionic phosphorus to halogen bond.
  
[List of Patents for class 558 subclass 141]    141Halogenation of carbon
 This subclass is indented under subclass 87.  Processes which include halogenation of carbon.
  
[List of Patents for class 558 subclass 142]    142Forming carbon to carbon multiple bond
 This subclass is indented under subclass 87.  Processes which include forming a carbon to carbon multiple bond.
  
[List of Patents for class 558 subclass 143]    143Utilizing oxirane ring containing compound
 This subclass is indented under subclass 87.  Processes in which an oxirane ring containing compound is utilized.
  
[List of Patents for class 558 subclass 144]    144Reactant having halogen or nitrogen attached directly to phosphorus by nonionic bonding
 This subclass is indented under subclass 87.  Processes in which a reactant contains halogen or nitrogen attached directly to phosphorus by nonionic bonding.
  
[List of Patents for class 558 subclass 145]    145Reactant having nitrogen attached indirectly to phosphorus by nonionic bonding
 This subclass is indented under subclass 87.  Processes in which a reactant contains nitrogen attached indirectly to phosphorus by nonionic bonding.
  
[List of Patents for class 558 subclass 146]    146Purification or recovery
 This subclass is indented under subclass 87.  Processes which include separating phosphorus esters from a reaction mixture or from impurities.
  
[List of Patents for class 558 subclass 147]    147Of compounds having plural phosphori
 This subclass is indented under subclass 146.  Process in which there are two or more phosphori in the compounds purified or recovered.
  
[List of Patents for class 558 subclass 148]    148Of compounds having halogen attached directly to phosphorus by nonionic bonding
 This subclass is indented under subclass 146.  Processes in which products having halogen attached directly to the phosphorus by nonionic bonding are purified or recovered.
  
[List of Patents for class 558 subclass 149]    149Oxidation employed to purify or recover
 This subclass is indented under subclass 146.  Processes which include an oxidation step as part of the purification or recovery process.
  
[List of Patents for class 558 subclass 150]    150Metal containing material utilized or separated
 This subclass is indented under subclass 146.  Preocesses in which a metal containing material is utilized or separated.
  
[List of Patents for class 558 subclass 151]    151Oxygen single bonded to oxygen, or sulfur single bonded to sulfur (e.g., peroxy compounds, etc.)
 This subclass is indented under subclass 70.  Compounds which contain oxygen single bonded to oxygen or sulfur single bonded to sulfur.
  
[List of Patents for class 558 subclass 152]    152Plural phosphori bonded to the same chalcogen (e.g., pyrophosphate esters, etc.)
 This subclass is indented under subclass 70.  Compounds wherein the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded to more than one phosphorus.
  
[List of Patents for class 558 subclass 153]    153Phosphorus and a -C(=X)- group, wherein X is chalcogen, bonded directly to the same chalcogen
 This subclass is indented under subclass 70.  Compounds under which include the P-X-C(=X)- group wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or telluriurium), and the phosphorus is trivalent or pentavalent.
  
[List of Patents for class 558 subclass 154]    154Hydrazine, or substituted hydrazine, group attached directly or indirectly to the phosphorus by nonionic bonding (i.e., HHN-NH- group, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 70.  Compounds wherein a hydrazine, or a substituted hydrazine, group is attached directly or indirectly to the phosphorus by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 154

(2) Note. The hydrazine group is HHNNH-. Replacement of one or more hygrogens affords a substituted hydrazine group.
  
[List of Patents for class 558 subclass 155]    155Plural phosphori attached directly or indirectly to each other by nonionic bonding
 This subclass is indented under subclass 70.  Compounds which contain two or more phosphori attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 155

  
[List of Patents for class 558 subclass 156]    156Plural phosphorus ester groups
 This subclass is indented under subclass 155.  Compounds which contain at least two phosphorus atoms that are part of hosphorus ester groups.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 156

  
[List of Patents for class 558 subclass 157]    157Nitrogen bonded directly to phosphorus
 This subclass is indented under subclass 156.  Compounds wherein nitrogen is bonded directly to phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 157

  
[List of Patents for class 558 subclass 158]    158Nitrogen attached indirectly to phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 156.  Compounds wherein phosphorus is attached indirectly to nitrogen by acyclic nonionic bonding.
  
[List of Patents for class 558 subclass 159]    159Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 158.  Compounds which contain the -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 159

  
[List of Patents for class 558 subclass 160]    160Having -C(=X)-, wherein X is chalcogen, attached indirectly to phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 156.  Compounds wherein a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached indirectly to phosphorus by acyclic nonionic bonding.
  
[List of Patents for class 558 subclass 161]    161Divalent chalcogen double bonded directly to pentavalent phosphorus
 This subclass is indented under subclass 156.  Compounds wherein a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is double bonded directly to a pentavalent phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 161

  
[List of Patents for class 558 subclass 162]    162Plural phosphori attached indirectly to each other by a benzene ring or by a chain which includes a benzene ring
 This subclass is indented under subclass 161.  Compound in which plural phosphori are attached indirectly to each other by a benzene ring or by a chain which includes a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 162

  
[List of Patents for class 558 subclass 163]    163Plural phosphori attached indirectly to each other by an acyclic chalcogen containing chain
 This subclass is indented under subclass 161.  Compounds in which plural phosphori are attached indirectly to each other by an acyclic chain, which chain contains chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) as a chain member.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 163

  
[List of Patents for class 558 subclass 164]    164Plural chalcogens in the acyclic chain
 This subclass is indented under subclass 163.  Compounds in which there are two or more chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) in the acyclic chain.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 164

  
[List of Patents for class 558 subclass 165]    165Divalent chalcogen, bonded directly to two carbons or to carbon and hydrogen, attached indirectly to phosphorus by acyclic nonionic bonding (wherein the hydrogen may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 164.  Compounds wherein a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), which is bonded directly to two carbons or to carbon and hydrogen, is attached indirectly to phosphorus by acyclic nonionic bonding, wherein the hydrogen may be replaced by substituted or unsubstituted ammounium, or by a Group IA or IIA light metal.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 165

  
[List of Patents for class 558 subclass 166]    166Nitrogen attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein the phosphorus is attached indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 166

  
[List of Patents for class 558 subclass 167]    167The nitrogen is part of a cyano or isocyano group
 This subclass is indented under subclass 166.  Compounds in which the nitrogen is part of a cyano or an isocyano group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 167

  
[List of Patents for class 558 subclass 168]    168Chalcogen attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 167.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the phosphorus by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein:

Image 1 for class 558 subclass 168

  
[List of Patents for class 558 subclass 169]    169Chalcogen attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 166.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the phosphorus by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 169

  
[List of Patents for class 558 subclass 170]    170The chalcogen, X, is in a -C(=X)- group, which group is bonded directly to the nitrogen
 This subclass is indented under subclass 169.  Compounds in which a -C(=X)- group, sulfur, selenium, or tellurium), is bonded directly to the nitrogen.
(1) Note. An example of a compound porvided for herein is:

Image 1 for class 558 subclass 170

  
[List of Patents for class 558 subclass 171]    171Nitrogen bonded directly to the phosphorus
 This subclass is indented under subclass 170.  Compounds wherein the phosphorus is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 171

  
[List of Patents for class 558 subclass 172]    172The -C(=X)- is part of a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens
 This subclass is indented under subclass 170.  Compounds in which the -C(=X)- is part of a -C(=X)X- group, wherein the X"s may be the same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 172

  
[List of Patents for class 558 subclass 173]    173Chalcogen, or additional -C(=X), bonded directly to the nitrogen
 This subclass is indented under subclass 170.  Compounds in which nitrogen is bonded directly to chalcogen or to an additional -C(=X)- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 173

  
[List of Patents for class 558 subclass 174]    174Two carbons bonded directly to the same chalcogen (e.g., sulfones, carboxylic acid esters, ethers, etc.)
 This subclass is indented under subclass 170.  Compounds wherein the same chalcogen is bonded directly to two carbons.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 174

  
[List of Patents for class 558 subclass 175]    175Chalcogen bonded directly to the nitrogen by nonionic bonding
 This subclass is indented under subclass 169.  Compounds in which the nitrogen is bonded directly to chalcogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 175

  
[List of Patents for class 558 subclass 176]    176Containing carbon double bonded to nitrogen
 This subclass is indented under subclass 166.  Compounds which contain nitrogen double bonded to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 176

  
[List of Patents for class 558 subclass 177]    177Chalcogen attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 70.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the phosphorus by acyclic nonionic bonding.
  
[List of Patents for class 558 subclass 178]    178The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 177.  Compounds wherein the chalcogen, X, is in a -C(=X)- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 178

  
[List of Patents for class 558 subclass 179]    179The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
 This subclass is indented under subclass 178.  Compounds in which the -C-(=X)- is part of a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens.
  
[List of Patents for class 558 subclass 180]    180Plural -C(=X)X- groups attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 179.  Compounds in which the phosphorus is attached indirectly to two or more -C(=X)X- groups by acyclic nonionic bonding, wherein the X"s are the same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is malathion, i.e.,

Image 1 for class 558 subclass 180

  
[List of Patents for class 558 subclass 181]    181The carbon of the -C(=X)X- group is bonded directly to the phosphorus or to nitrogen which is bonded directly to the phosphorus
 This subclass is indented under subclass 179.  Compounds in which the carbon of the -C(=X) (X)- group is bonded directly to the phosphorus or to nitrogen, which nitrogen is bonded directly to the phosphorus.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 181

  
[List of Patents for class 558 subclass 182]    182Acyclic carbon chain containing carbon to carbon unsaturation attached directly or indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 179.  Compounds wherein the phosphorus is attached directly or indirectly by acyclic nonionic bonding to an acyclic carbon chain containing carbon to carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 182

  
[List of Patents for class 558 subclass 183]    183Plural carbons bonded directly to the same chalcogen which is attached indirectly to the phosphorus by acyclic nonionic bonding (e.g., ethers, etc.)
 This subclass is indented under subclass 177.  Compounds wherein plural carbons are bonded directly to the chalcogen, which chalcogen is attached indirectly to the phosphorus by acyclic nonionic bonding.
  
[List of Patents for class 558 subclass 184]    184The chalcogen is part of a -S(=O)- or a -S(=O)(=O)- group (e.g., sulfones, etc.)
 This subclass is indented under subclass 183.  Compounds wherein the chalcogen is sulfur and is part or a -S(O)- or of a -S(=O) (=O)- group.
  
[List of Patents for class 558 subclass 185]    185Nitrogen bonded directly to the phosphorus
 This subclass is indented under subclass 183.  Compounds wherein the phosphorus is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 185

  
[List of Patents for class 558 subclass 186]    186Plural ether oxygens or thioether sulfurs attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 183.  Compounds wherein the phosphorus is attached indirectly by acyclic nonionic bonding to plural ether oxygens or plural thioether sulfurs.
  
[List of Patents for class 558 subclass 187]    187The chalcogen is bonded directly to a benzene ring and to acyclic carbon
 This subclass is indented under subclass 183.  Compounds wherein an acyclic carbon and a benzene ring are bonded directly to the chalcogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 187

  
[List of Patents for class 558 subclass 188]    188Halogen attached directly or indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 183.  Compounds wherein the phosphorus is attached directly or indirectly to halogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 188

  
[List of Patents for class 558 subclass 189]    189Carbon bonded directly to the phosphorus
 This subclass is indented under subclass 183.  Compounds wherein the phosphorus is bonded directly to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 189

  
[List of Patents for class 558 subclass 190]    190Nitrogen attached indirectly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein the phosphorus is attached indirectly to nitrogen by nonionic bounding.

Image 1 for class 558 subclass 190

  
[List of Patents for class 558 subclass 191]    191Nitrogen or halogen attached directly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 190.  Compounds wherein the phosphorus is attached directly to nitrogen or halogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 191

  
[List of Patents for class 558 subclass 192]    192Cyano or isocyano attached indirectly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 190.  Compounds wherein the nitrogen is part of a cyano group or of an isocyano group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 192

(2) Note. The isocyano group is usually represented structurally as -N=C. It is also sometimes shown by the structure -N=C.
  
[List of Patents for class 558 subclass 193]    193Nitro bonded directly to a benzene ring
 This subclass is indented under subclass 190.  Compounds in which a benzene ring is bonded directly to a nitro group.
  
[List of Patents for class 558 subclass 194]    194Chalcogen attached indirectly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the phosphorus by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 194

  
[List of Patents for class 558 subclass 195]    195Nitrogen or halogen attached directly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 194.  Compounds in which the phosphorus is attached directly to nitrogen or halogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 195

  
[List of Patents for class 558 subclass 196]    196The chalcogen is part of a -S(=O)- or a -S(=O)(=O)- group (e.g., sulfoxides, sulfonic acids, etc.)
 This subclass is indented under subclass 194.  Compounds in which the chalcogen is part of a -S(=O)- or of a -S(=OO)- or of a -S(=O) (O=) group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 196

  
[List of Patents for class 558 subclass 197]    197Ether oxygen or thioether sulfur bonded directly to a benzene ring
 This subclass is indented under subclass 194.  Compounds wherein a benzene ring is bonded directly to ether oxygen or thioether sulfur.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 197

  
[List of Patents for class 558 subclass 198]    198The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 194.  Compounds wherein the chalcogen, X, is in a -C(=X)- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 198

  
[List of Patents for class 558 subclass 199]    199Nitrogen bonded directly to the phosphorus
 This subclass is indented under subclass 70.  Compounds wherein the phosphorus is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 199

  
[List of Patents for class 558 subclass 200]    200Benzene ring and the phosphorus bonded directly to the same chalcogen (i.e., the carbon of the phosphorus ester group is part of a benzene ring)
 This subclass is indented under subclass 199.  Compounds in which the phosphorus and a benzene ring are bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 200

  
[List of Patents for class 558 subclass 201]    201Acyclic carbon chain containing carbon to carbon unsaturation attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 199.  Compounds wherein the phosphorus is attached indirectly by acyclic nonionic bonding to an acyclic carbon chain containing carbon to carbon unsaturation.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 201

  
[List of Patents for class 558 subclass 202]    202Halogen attached directly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 70.  Compounds in which the phosphorus is attached directly to halogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 202

  
[List of Patents for class 558 subclass 203]    203Halogen attached indirectly to the phosphorus by acyclic nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein the phosphorus is attached indirectly to halogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 203

  
[List of Patents for class 558 subclass 204]    204Plural fluorines bonded to an acyclic carbon or to an acyclic carbon chain
 This subclass is indented under subclass 203.  Compounds in which plural fluorines are bonded to an acyclic carbon or to an acyclic carbon chain.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 204

  
[List of Patents for class 558 subclass 205]    205Carbon to carbon unsaturation containing
 This subclass is indented under subclass 203.  Compounds which contain carbon multiple bonded to another carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 205

  
[List of Patents for class 558 subclass 206]    206The unsaturation is in a benzene ring
 This subclass is indented under subclass 205.  Compounds wherein the carbon to carbon unsaturation is in a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 206

  
[List of Patents for class 558 subclass 207]    207Divalent chalcogen double bonded directly to the phosphorus
 This subclass is indented under subclass 70.  Compounds in which a divalent chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is double bonded directly to the phosphorus.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 207

  
[List of Patents for class 558 subclass 208]    208And three divalent chalcogens single bonded directly to the phosphorus (e.g., trialkyl phosphates, etc.)
 This subclass is indented under subclass 207.  Compounds wherein the phosphorus is single bonded directly to each of three divalent chalcogens, which may be the same or diverse.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 208

  
[List of Patents for class 558 subclass 209]    209Alicyclic ring bonded directly to one of the chalcogens
 This subclass is indented under subclass 208.  Compounds in which one of the single bonded chalcogens is bonded directly to an allcyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 209

  
[List of Patents for class 558 subclass 210]    210Benzene ring bonded directly to one of the chalcogens
 This subclass is indented under subclass 208.  Compounds wherein one of the single bonded chalcogens is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 210

  
[List of Patents for class 558 subclass 211]    211Benzene ring bonded directly to each of the three chalcogens
 This subclass is indented under subclass 210.  Compounds wherein each of the three single bonded chalcogens is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 211

  
[List of Patents for class 558 subclass 212]    212Three or more halogens bonded directly to the benzene ring
 This subclass is indented under subclass 210.  Compounds in which the benzene ring is bonded directly the three of more halogens.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 212

  
[List of Patents for class 558 subclass 213]    213Multiple bond between two acyclic carbons
 This subclass is indented under subclass 208.  Compounds which contain acyclic carbon multiple bonded directly to acyclic carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 213

  
[List of Patents for class 558 subclass 214]    214And two divalent chalcogens single bonded directly to the phosphorus
 This subclass is indented under subclass 207.  Compounds wherein the phosphorus is single bonded to each of two divalent chalcogens, which may be the same or diverse.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 214

  
[List of Patents for class 558 subclass 215]    215Benzene ring bonded directly to one of the chalcogens
 This subclass is indented under subclass 214.  Compounds wherein one of the single bonded chalcogens is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 215

  
[List of Patents for class 558 subclass 216]    216Benzene ring bonded directly to the phosphorus
 This subclass is indented under subclass 214.  Compounds wherein the phosphorus is bonded directly to a benzene ring.
  
[List of Patents for class 558 subclass 217]    217Multiple bond between two acyclic carbons
 This subclass is indented under subclass 214.  Compounds which contain acyclic carbon multiple bonded directly to acyclic carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 217

  
[List of Patents for class 558 subclass 218]    218Three divalent chalcogens single bonded directly to trivalent phosphorus (e.g., trialkyl phosphites, etc.)
 This subclass is indented under subclass 70.  Compounds in which three divalent chalcogens (i.e., oxygen, sulfor, selenium, or tellurium), which may be the same or diverse, are single bonded directly to trivalent phosphorus.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 218

  
[List of Patents for class 558 subclass 230]    230Esters having the thiocarboxylate group, -C(=X)X-, wherein the X's are the same or diverse chalcogens, with at least one X being sulfur, and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the thiocarboxylate group, -C(=X)X-, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) with at least one X being sulfur and wherein the single bonded X is bonded directly to an additional carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 230

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 405 through 409for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, nitrogen, phosphorus, or metals.
  
[List of Patents for class 558 subclass 231]    231Phosphorus attached directly or indirectly to the thiocarboxylate group by nonionic bonding
 This subclass is indented under subclass 230.  Compounds in which the thiocarboxylate group is attached directly or indirectly to phosphorus by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 231

  
[List of Patents for class 558 subclass 232]    232Nitrogen bonded directly to the carbon of the -C(=X)X- group (e.g., thiocarbamates, etc.)
 This subclass is indented under subclass 230.  Compounds in which the carbon of the thiocarboxylate group is bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 232

  
[List of Patents for class 558 subclass 233]    233Chalcogen, nitrogen, or additional -C(=X)- attached directly to the nitrogen by nonionic bonding (X is chalcogen)
 This subclass is indented under subclass 232.  Compounds in which the nitrogen is further attached directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), nitrogen or additional -C(=X)-, wherein X is chalcogen, by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 233

  
[List of Patents for class 558 subclass 234]    234The -C(=X)X- is -C(=S)O-
 This subclass is indented under subclass 232.  Compounds in which the thiocarboxylate group is a -C(=S)O- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 234

  
[List of Patents for class 558 subclass 235]    235The -C(=X)X- is -C(=S)S-
 This subclass is indented under subclass 232.  Compounds in which the thiocarboxylate group is a -C(=S)S group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 235

  
[List of Patents for class 558 subclass 236]    236Nitrogen or additional chalcogen attached indirectly to the nitrogen by acyclic nonionic bonding
 This subclass is indented under subclass 235.  Compounds in which there is nitrogen or additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) attached indirectly to the nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 236

  
[List of Patents for class 558 subclass 237]    237Plural HHN-C(=S)S- groups, wherein substitution may be made for hydrogen only
 This subclass is indented under subclass 236.  Compounds in which there is more than one HHN-C(=S)S- group, wherein substitution may be made for hydrogen only.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 237

  
[List of Patents for class 558 subclass 238]    238Cyano or -C(=X)-, wherein X is chalcogen, attached indirectly to the nitrogen by acyclic nonionic bonding
 This subclass is indented under subclass 236.  Compounds in which cyano or -C(=X)-, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached indirectly to the nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 238

  
[List of Patents for class 558 subclass 239]    239Nitrogen or additional chalcogen attached indirectly to the nitrogen by acyclic nonionic bonding
 This subclass is indented under subclass 232.  Compounds in which nitrogen or additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 239

  
[List of Patents for class 558 subclass 240]    240The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 239.  Compounds wherein the chalcogen is in a -C(-X)- group, X being the chalcogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 240

  
[List of Patents for class 558 subclass 241]    241Benzene ring bonded directly to the nitrogen or to the sulfur of a -C(=O)S- group
 This subclass is indented under subclass 232.  Compounds wherein the nitrogen or the sulfur of a -C(=O)S- group is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 241

  
[List of Patents for class 558 subclass 242]    242Benzene ring attached indirectly to the nitrogen by nonionic bonding
 This subclass is indented under subclass 232.  Compounds wherein the nitrogen is attached indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 242

  
[List of Patents for class 558 subclass 243]    243Esters having the -X-C(=X)X- group, wherein the X's are the same or diverse chalcogens and at least one X is sulfur, and wherein one of the single bonded X's is bonded directly to carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon (e.g., thiocarbonates, etc.)
 This subclass is indented under subclass 230.  Compounds which have the thiocarboxylate group as part of an -X-C(=X)X- group, wherein the X"s are the same or diverse chalcogens, (i.e., oxygen, sulfur, selenium, or tellurium), at least one of the X"s is sulfur, and one of the single bonded X"s is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 243

  
[List of Patents for class 558 subclass 244]    244Two -C(=X)- groups, wherein the X's are the same or diverse chalcogens, bonded directly to the same chalcogen or to a chain consisting of chalcogens (e.g., xanthic disulfides, etc.)
 This subclass is indented under subclass 243.  Compounds in which two -C(=X)- groups, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to the same chalcogen or to a chain of chalcogens.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 244

  
[List of Patents for class 558 subclass 245]    245The -X-C(=X)X- is -S-C(=S)O- (e.g., xanthates, etc.)
 This subclass is indented under subclass 243.  Compounds wherein the -X-C(=X)X- group is a -S-C(=S)O- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 245

  
[List of Patents for class 558 subclass 246]    246Nitrogen or chalcogen attached indirectly to the -S-C(=S)O- group by acyclic nonionic bonding
 This subclass is indented under subclass 245.  Compounds in which the -S-C(=S)O- group is indirectly attached to nitrogen or chalcogen (e.e., oxygen, sulfur, selenium, or tellurlum) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 246

  
[List of Patents for class 558 subclass 247]    247Alkyl and hydrogen bonded directly to the -S-C(=S)O- group, wherein the hydrogen may be replaced by substituted or unsubstituted ammonium or by a Group IA or IIA light metal (e.g., sodium ethyl xanthate, etc.)
 This subclass is indented under subclass 245.  Compounds wherein the -S-C(=S)O- group is bonded directly to one alkyl group and to hydrogen, which hydrogen may be replaced by substituted or unsubstituted ammonium or by a Group IA or IIA light metal.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 247

  
[List of Patents for class 558 subclass 248]    248The -X-C(=X)X- is -S-C(=O)O- (e.g., thiolcarbonates, etc.)
 This subclass is indented under subclass 243.  Compounds wherein the -X-C(=X)X- group is an -S-C(=O)O- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 248

  
[List of Patents for class 558 subclass 249]    249Halothiocarbonate esters (i.e., compounds wherein halogen is bonded directly to the carbon of the -C(=X)X- group)
 This subclass is indented under subclass 230.  Compounds in which halogen is bonded to the carbon of the thiocarboxylate group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 249

  
[List of Patents for class 558 subclass 250]    250The -C(=X)X- is -C(=O)S-
 This subclass is indented under subclass 230.  Compounds wherein the -C(=X)X- grounp is -C(=O)S-.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 250

  
[List of Patents for class 558 subclass 251]    251Plural -C(=O)S- groups containing
 This subclass is indented under subclass 250.  Compounds which contain more than one -C(=O)S- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 251

  
[List of Patents for class 558 subclass 252]    252Chalcogen attached indirectly to the -C(=O)S- group by acyclic nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is indirectly attached to the-C(=OS- group by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 252

  
[List of Patents for class 558 subclass 253]    253The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 252.  Compounds wherein the chalcogen is in a -C(=X)- group, X being chalcogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 253

  
[List of Patents for class 558 subclass 254]    254Nitrogen bonded directly to the -C(=X)- group
 This subclass is indented under subclass 253.  Compounds wherein the -C(=X)- group is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 254

  
[List of Patents for class 558 subclass 255]    255The -C(=X)- group is part of a -COO- group
 This subclass is indented under subclass 253.  Compounds wherein the -C(=X)- is part of a -C(=O)O- group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 255

  
[List of Patents for class 558 subclass 256]    256Nitrogen attached indirectly to the -C(=O)S- group by acyclic nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein the -C(=O)S- group is attached indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. Example of a compound provided for herein is:

Image 1 for class 558 subclass 256

  
[List of Patents for class 558 subclass 257]    257Benzene ring attached directly or indirectly to the -C(=0)S- group by nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein the -C(=O)S- group is atached directly or indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 257

  
[List of Patents for class 558 subclass 260]    260Carbonate esters (i.e, compounds having the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the -O-C(=O)O- group bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 260

  
[List of Patents for class 558 subclass 261]    261With preservative or stabilizer
 This subclass is indented under subclass 260.  Products wherein the carbonate ester is mixed with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 558 subclass 262]    262Nitrogen attached directly to the -O-C(=O)O- group by nonionic bonding (e.g., oxime carbonates, urea carbonates, etc.)
 This subclass is indented under subclass 260.  Compounds wherein the -O-C(=O)O- group is attached directly to nitrogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 262

  
[List of Patents for class 558 subclass 263]    263Oxygen bonded directly to the -O-C(=O)O- group by nonionic bonding (e.g., monoperoxycarbonates, etc.)
 This subclass is indented under subclass 260.  Compounds wherein the -O-C(=O)-O- group is attached directly to an additional oxygen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 263

  
[List of Patents for class 558 subclass 264]    264Carbonyl bonded directly to the oxygen (i.e., compounds having the -O-C(=O) O-O-C(=O)- group; e.g., peroxydicarbonates, acyl peroxycarbonates, etc.)
 This subclass is indented under subclass 263.  Compounds wherein carbonyl, -C(=O), is bonded directly to the oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 264

  
[List of Patents for class 558 subclass 265]    265Plural -O-C(=O)O- groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 260.  Compounds which contain more than one -O-C(=O)O- group, which -O- C(=)O- groups are indirectly attached to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 265

  
[List of Patents for class 558 subclass 266]    266Additional chalcogen attached indirectly to one of the -O-C(=O)O- groups by acyclic nonionic bonding
 This subclass is indented under subclass 265.  Compounds wherein an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to one of the -O-C(=O)O- groups by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are

Image 1 for class 558 subclass 266

  
[List of Patents for class 558 subclass 267]    267The additional chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 266.  Compounds wherein the chalcogen is in a -C(=X)- group, X bening the chalcogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 267

  
[List of Patents for class 558 subclass 268]    268Benzene ring attached directly or indirectly to one of the -O-C(=O)O- groups by nonionic bonding
 This subclass is indented under subclass 265.  Compounds wherein one of the -O-C(=O)O- groups is attached directly or indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 268

  
[List of Patents for class 558 subclass 269]    269Nitrogen attached directly or indirectly to the benzene ring by nonionic bonding
 This subclass is indented under subclass 268.  Compounds in which the benzene ring is attached directly or indirectly to nitrogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 269

  
[List of Patents for class 558 subclass 270]    270Benzene ring bonded directly to the -O-C(=O)O- group
 This subclass is indented under subclass 260.  Compounds wherein the -O-C(=O)O- group is bonded directly to a benzene ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 270

  
[List of Patents for class 558 subclass 271]    271Additional chalcogen bonded directly to the benzene ring
 This subclass is indented under subclass 270.  Compounds wherein the benzene ring is bonded directly to an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 271

  
[List of Patents for class 558 subclass 272]    272Nitrogen bonded directly to the benzene ring
 This subclass is indented under subclass 270.  Compounds wherein the benzene ring is bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 272

  
[List of Patents for class 558 subclass 273]    273Nitrogen or additional chalcogen attached indirectly to the benzene ring by acyclic nonionic bonding
 This subclass is indented under subclass 270.  Compounds wherein the benzene ring is attached indirectly to nitrogen or to an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 273

  
[List of Patents for class 558 subclass 274]    274Two benzene rings bonded directly to the -O-C(=O)O- group (i.e., diaryl carbonates)
 This subclass is indented under subclass 270.  Compounds wherein the -O-C(=O)O- group is bonded directly to two benzene rings.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 274

  
[List of Patents for class 558 subclass 275]    275Benzene ring attached indirectly to the -O-C(=O)O- group by nonionic bonding
 This subclass is indented under subclass 260.  Compounds wherein the -O-C(=O)O group is attached indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 275

  
[List of Patents for class 558 subclass 276]    276Nitrogen or chalcogen attached indirectly to the -O-C(=O)O- group by acyclic nonionic bonding
 This subclass is indented under subclass 260.  Compounds wherein the -O-C(=O)O- group is attached indirectly to nitrogen or to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 276

  
[List of Patents for class 558 subclass 277]    277Two identical or diverse alkyl groups bonded directly to the -O-C(=O)O- group (e.g., dimethyl carbonate, methyl ethyl carbonate, etc.)
 This subclass is indented under subclass 260.  Compound which contain two alkyl groups, identical or diverse, bonded directly to the -O-C(=O)O- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 277

  
[List of Patents for class 558 subclass 280]    280Halocarbonate esters (i.e., compounds having the halo-C(=O)O- group bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds un Class 532, ... wherein a halocarbonate group (i.e., halo- C(=O)O-) is bonded directly to carbon, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 280

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 405 through 409for the chemical destruction of organic hazardous or toxic waste containing halogen, chalcogen, nitrogen, or metals.
  
[List of Patents for class 558 subclass 281]    281Plural halo-C(=O)O- groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 280.  Compounds which contain more than one halo-C(=O)O- group attached indirectly to each other by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 281

  
[List of Patents for class 558 subclass 282]    282Benzene ring attached directly or indirectly to the halo-C(=O)O- group by nonionic bonding
 This subclass is indented under subclass 280.  Compounds wherein the halo-C(=O)O- group is attached directly or indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 282

  
[List of Patents for class 558 subclass 283]    283Halogen attached indirectly to the halo-C(=O)O- group by nonionic bonding
 This subclass is indented under subclass 280.  Compounds wherein the halo-C(=O)O- group is attached indirectly to halogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 283

  
[List of Patents for class 558 subclass 285]    285Thioborate esters (i.e., compounds having boron and carbon each single bonded to the same divalent sulfur, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein boron and carbon are single bonded to the same divalent sulfur, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 285

  
[List of Patents for class 558 subclass 286]    286Borate esters (i.e., compounds having boron and carbon each single bonded to the same oxygen, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein boron and carbon are single bonded directly to the same oxygen, which carbon may be single bonded to any atom, but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 286

  
[List of Patents for class 558 subclass 287]    287Boron and oxygen in the same ring
 This subclass is indented under subclass 286.  Compounds which contain a ring having boron and oxygen as ring members.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 287

  
[List of Patents for class 558 subclass 288]    288Carbon in the ring
 This subclass is indented under subclass 287.  Compounds which contain a ring having carbon, boron and oxygen as ring members.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 288

  
[List of Patents for class 558 subclass 289]    289Nitrogen in the ring
 This subclass is indented under subclass 288.  Compounds which contain a ring having nitrogen, carbon, boron and oxygen as ring members.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 289

  
[List of Patents for class 558 subclass 290]    290Plural rings each having boron, carbon and oxygen as ring members
 This subclass is indented under subclass 288.  Compounds which contain plural rings, each having boron, carbon and oxygen as ring members.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 290

  
[List of Patents for class 558 subclass 291]    291Three oxygens attached directly to the same boron by nonionic bonding
 This subclass is indented under subclass 288.  Compounds wherein a boron is attached directly to three oxygens by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 291

  
[List of Patents for class 558 subclass 292]    292Plural acyclic borons attached directly or indirectly to each other by nonionic bonding
 This subclass is indented under subclass 286.  Compounds wherein plural acyclic borons are attached directly or indirectly to each other by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 292

  
[List of Patents for class 558 subclass 293]    293Three oxygens attached directly to the same boron by nonionic bonding
 This subclass is indented under subclass 286.  Compounds wherein a boron is attached directly to three oxygens by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 293

  
[List of Patents for class 558 subclass 294]    294Benzene ring attached indirectly to boron by nonionic bonding
 This subclass is indented under subclass 293.  Compounds wherein boron is attached indirectly to a benzene ring by nonionic bonding
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 294

  
[List of Patents for class 558 subclass 295]    295Nitrogen or chalcogen attached indirectly to boron by acyclic nonionic bonding
 This subclass is indented under subclass 293.  Compounds wherein boron is attached indirectly to nitrogen or chalcogen (i.e., oxygen, suldur, selenium, or tellirium) by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 295

  
[List of Patents for class 558 subclass 296]    296Trialkyl borates (i.e., compounds having the structure (RO)B(OR)(OR), wherein the R's represent the same or diverse alkyl groups
 This subclass is indented under subclass 293.  Compounds wherein a boron is bonded directly to three oxygens, each oxygen additionally bonded to an alkyl group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 296

  
[List of Patents for class 558 subclass 297]    297Processes utilizing boric oxide or an inorganic boric acid
 This subclass is indented under subclass 286.  Processes which utilize boric oxide or an inorganic boric acid for preparing trialkyl borates.
(1) Note. Boric oxide is synonymous with boric anhydride.
  
[List of Patents for class 558 subclass 298]    298Carbon bonded directly to the boron
 This subclass is indented under subclass 286.  Compounds wherein boron is bonded directly to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 298

  
[List of Patents for class 558 subclass 299]    299Nitrile oxides or nitrile imines (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon, and wherein the nitrogen of the cyano group is bonded directly to oxygen or to nitrogen)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which are nitrile oxides or nitrile imines, i.e., compounds wherein cyano, -C=N, is bonded directly to carbon, which carbon may be single bonded to any element but maybe multiple bonded only to carbon, and wherein the nitrogen of the cyano group is bonded directly to oxygen or to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 299

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclass 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing chalcogen or nitrogen.
  
[List of Patents for class 558 subclass 300]    300Cyano single bonded and nitrogen or phosphorus double bonded to the same carbon atom (e.g., alpha-imino nitriles, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein nitrogen or phosphorus is double bonded and cyano, -C=N, is single bonded to the same carbon atom.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 300

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclass 408 and 409 for the chemical destruction or containment of organic hazardous or toxic waste containing oxygen or nitrogen.
  
[List of Patents for class 558 subclass 301]    301Oxygen bonded directly to the double bonded nitrogen (e.g., alpha-oximino nitriles, etc.)
 This subclass is indented under subclass 300.  Compounds wherin the double bonded nitrogen is bonded directly to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 301

  
[List of Patents for class 558 subclass 302]    302Isonitriles (i.e., compounds having an isonitrile group, usually represented as -N=C, bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... wherein an isonitrile group, usually represented as -N=C, is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Compounds containing the isonitrile group can also be named as isocyanides or as carbylamines.
(2) Note. The isonitrile group can be written differently from -N=C; it can, for example, be written as -N=C.
(3) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 302

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclass 408 for the chemical destruction of organic hazardous or toxic waste containing nitrogen.
  
[List of Patents for class 558 subclass 303]    303Nitriles (i.e., compounds having cyano bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which are nitriles, i.e., compounds wherein cyan, -C=N, is bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 303

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 405 through 409for the chemical destruction of organic hazardous or toxic waste containing, halogen, chalcogen, nitrogen, phosphorus, or metals.
  
[List of Patents for class 558 subclass 304]    304With preservative or stabilizer
 This subclass is indented under subclass 303.  Products which contain a nitrile in admixture with a preservative or stabilizing ageent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 558 subclass 305]    305Acyclic or alicyclic carbon to carbon unsaturation in the preserved or stabilized nitrile
 This subclass is indented under subclass 304.  Products wherein the preserved or stabilized nitrile contains acyclic or alicyclic carbon to carbon unsaturation.
  
[List of Patents for class 558 subclass 306]    306Organic compound, which contains nitrogen, utilized as preservative or stabilizer
 This subclass is indented under subclass 305.  Products wherein the preservative or stabilizing agent is an organic compound which contains nitrogen.
  
[List of Patents for class 558 subclass 307]    307Sulfur or phosphorus containing preservative or stabilizer
 This subclass is indented under subclass 305.  Products wherein the preservative or stabilizing agent contains sulfur or phosphorus.
  
[List of Patents for class 558 subclass 308]    308Processes for forming the cyano group
 This subclass is indented under subclass 303.  Processes which involve formation of the cyano (-C=N) group.
(1) Note. Examples of processes provided for herein are: (a) conversion of methylaine to acetonitrile by heating with a transition metal catalyst in the presence of hydrogen, and (b) preparation of acetonitrile by contacting nitropropane with platinum under vapor phase conditions.
(2) Note. For processes wherein nitriles are formed by introducing a cyano group into an organic compound via reaction with, inter alia, inorganic cyanides, search this class, subclasses 332+.
  
[List of Patents for class 558 subclass 309]    309Hetero ring containing reactant
 This subclass is indented under subclass 308.  Processes wherein there is utilized a hetero ring containing reactant.
(1) Note. Examples of precesses provided for herein are: (a) the preparation of 1-cyano-1, 3-butadiene by the dehydration of tetrahydrofuramide, and (b) the preparation of isobutyronitrile and methacyrlonitrile by the high temperature, chromia gel catalyzed reaction of ammonia and isobutylene oxide.
  
[List of Patents for class 558 subclass 310]    310Nitrogen, or oxygen, and carbonyl carbon are adjacent ring members of the hetero ring (e.g., lactams, lactones, etc.)
 This subclass is indented under subclass 309.  Processes wherein oxygen, or nitrogen, and carbonyl carbon are adjacent ring members of the hetero ring.
(1) Note. Examples of processes provided for herein are: (a) the production of hydroxy capronitrile by the reastion of epsilon caprolactone with ammonia in vapor phase using zinc oxide catalyst, and (b) the production of phthalonitrile by catalytic reaction of ammonia and phthalimide.
  
[List of Patents for class 558 subclass 311]    311Reactant is a carboxylic acid, or an amide, anhydride, ester, halide, or salt thereof
 This subclass is indented under subclass 308.  Processes wherein a carboxylic acid, or an amide, anhydride, ester, halide, or salt thereof is utilized as a reactant.
(1) Note. An example of a process provided for herein is: The production of adiponitrile by vapor phase reaction of adipic acid and ammonia in the presence of a dehydration agent.
  
[List of Patents for class 558 subclass 312]    312Utilizing a formamide, heavy metal salt, aluminum halide, organosilicon compound, organophosphorus compound, or a compound containing nitrogen and sulfur
 This subclass is indented under subclass 311.  Processes wherein there is utilized a formamide, a heavy metal salt, an alumunum halide, an organophosphorus compound, an organosilicon compound, or a compound containing nitrogen and sulfur.
  
[List of Patents for class 558 subclass 313]    313Liquid phase reaction
 This subclass is indented under subclass 311.  Processes wherein the reaction is conducted in liquid phase.
(1) Note. An example of process provided for herein is: the preparation of malononitrile by reacting cyanoacetamide with phosphorus oxychloride and an alkaline earth metal salt in the presence of ethylene dichloride solvent.
  
[List of Patents for class 558 subclass 314]    314Utilizing nitryl halide, nitrosyl halide, HCH=NO- or HHNO- (wherein substitution may be made for hydrogen only; e.g., oximes, oxime esters, hydroxylamine salts, olefin-nitrosyl chloride adducts, etc.)
 This subclass is indented under subclass 308.  Processes wherein there is utilized nitryl halide, nitrosyl halide, or compounds containing one of the groups HCH=NO- or HHNO- (wherein substitution may be made for hydrogen only.)
(1) Note. Nitryl halide is NO2X, where X is halogen.
(2) Note. Nitrosyl halide is NOX, wherein X is halogen.
(3) Note. Examples of compounds containing the group HCH=NO- are oximes, oxime ethers and oxime esters.
(4) Note. Examples of compounds containing the group HHNO- are hydroxylamine, hydroxylamine salts, hydroxyylamine ethers and hydroxylamine esters.
  
[List of Patents for class 558 subclass 315]    315Reactant is an aldehyde or ketone, or a compound having carbon double bonded to nitrogen (e.g., ammoxidation of acrolein, etc.)
 This subclass is indented under subclass 308.  Processes wherein there is employed as a reactant an aldehyde, a ketone, or a compound having nitrogen double bonded to carbon.
(1) Note. Examples of processes provided for herein are: (a) the production of acetonitrile and acrylonitrile by reacting acrolein with ammonia and oxygen in the presence of an ammoxidation catalyst, and (b) the production of a saturated aliphatic nitrile from an unsaturated aliphatic primary imine by reacting the imine with excess ammonia in the presence of a dehydrogenation-hydrogenation catalyst.
  
[List of Patents for class 558 subclass 316]    316Reactant contains -OH bonded directly to acyclic or alicyclic carbon (wherein H of -OH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal)
 This subclass is indented under subclass 308.  Processes wherein there is employed as a reactant a compound having acyclic or clicyclic carbon bonded directly to -OH (wherein H of -OH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal).
(1) Note. An example of a process provided for herein is the production of benzonitrile by reacting benzyl alcohol and ammonia in the presence of a catalyst at high temperature.
  
[List of Patents for class 558 subclass 317]    317Utilizing a nitrogen oxide or an azide
 This subclass is indented under subclass 308.  Processes wherein there is utilized and azide or a nitrogen oxide.
(1) Note. Examples of processes provided for herein are: (a) the production of acrylonitrile by the catalytic reaction of nitric oxide with propylene, and (b) the production of benzonitrile by the reaction of benzal chloride with sodium azine in the presence of mineral acid.
  
[List of Patents for class 558 subclass 318]    318Ammonia utilized
 This subclass is indented under subclass 317.  Processes wherein there is utilitzed ammonia.
(1) Note. Examples of processes provided for herein are: (a) the production of acetonitrile by the reaction of carbon monoxide, ammonia and hydrogen, and (b) the production of acetonitrile by the vapor phase reaction of propane and ammonia in the presence of cobalt molybdate.
  
[List of Patents for class 558 subclass 319]    319And molecular oxygen or a molecular oxygen containing gas
 This subclass is indented under subclass 318.  Processes wherein there is also utilized molecular oxygen of a molecular containing gas.
(1) Note. Air is included within the scope of molecular oxygen containing gas.
(2) Note. Ammoxidation is the art term for the type reaction encompassed by this subclass and its indents.
(3) Note. Examples of processes provided for herein are: (a) the production of acrylonitrile by reaction of propane, ammonia and oxygen in the presence of a catalyst, and (b) the production of adiponitrile by reaction of cyclohexane, ammonia and oxygen in the presence of a catalyst.
  
[List of Patents for class 558 subclass 320]    320Acting on a compound containing acyclic or alicyclic carbon to carbon unsaturation
 This subclass is indented under subclass 319.  Processes wherein a reactant contains acyclic or alicyclic carbon to carbon unsaturation.
(1) Note. An example of a process provided for herein is the production of acrylonitrile by the reaction of propylene, oxygen and ammonia in the presence of a catalyst.
  
[List of Patents for class 558 subclass 321]    321Niobium, tantalum, silver, sulfur, ruthenium, rhodium, palladium, osmium, iridium, or platinum containing material utilized
 Processes under 320 wherein there is utilized a material that contains niobium, tantalum, silver, sulfur, ruthenium, rhodium, palladium, osmium, iridium or platinum.
(1) Note. The elements listed above are generally present as components of catalysts.
  
[List of Patents for class 558 subclass 322]    322Tellurium containing material utilized
 Processes undersubclass 320 wherein there is utilized a material that contains tellurium.
  
[List of Patents for class 558 subclass 323]    323Molybdenum containing material utilized
 This subclass is indented under subclass 320.  Processes wherein there is utilized a material that contans molybdenum.
  
[List of Patents for class 558 subclass 324]    324Bismuth containing material utilized
 This subclass is indented under subclass 323.  Processes wherein there is utilized a material that contains bismuth.
  
[List of Patents for class 558 subclass 325]    325Antimony containing material utilized
 This subclass is indented under subclass 320.  Processes wherein there is utilized a material that contains antimony.
  
[List of Patents for class 558 subclass 326]    326Uranium or arsenic containing material utilized
 This subclass is indented under subclass 319.  Processes wherein there is utilized a reactant that contains a benzene ring.
  
[List of Patents for class 558 subclass 327]    327Acting on a benzene ring-containing compound
 This subclass is indented under subclass 319.  Processes wherein there is utilized a reactant that contains a benzene ring.
(1) Note. An example of a process provided for herein is the production of muconitrile by the reaction of benzene, ammonia and oxygen in the presence of a catalyst.
  
[List of Patents for class 558 subclass 328]    328Alkali metal containing material utilized
 This subclass is indented under subclass 327.  Processes wherein there is utilized a material that contains an alkali metal.
(1) Note. An example of a process provided for herein is the production of dicyanonaphthalene by the reaction of di-lower alkyl naphthalene, ammonia and oxygen is the presence of a supported akali-metal vanadium bronze catalyst.
  
[List of Patents for class 558 subclass 329]    329Product contains cyano bonded directly to a benzene ring
 This subclass is indented under subclass 318.  Processes wherein the product of the process contains a denzene ring bonded directly to cyano.
(1) Note. An example of a process provided for herein is: the production of o-aminobenzonitrile by the reaction of oa-nitrotoluene and ammonia in the presence of silica gel.
  
[List of Patents for class 558 subclass 330]    330Reactant contains acyclic or alicyclic carbon to carbon double bond
 This subclass is indented under subclass 318.  Processes wherein an acyclic or alicyclic carbon to carbon double bond is present in a reactant.
(1) Note. An example of a process provided for herein is: the production of acetonitrile by the high temperature reaction of ethylene and ammonia in the presence of iron nitride.
  
[List of Patents for class 558 subclass 331]    331Homopolymerization of HCN (e.g., tetramerization of HCN to diaminomaleonitrile)
 Processes under subclss 303 wherein the reaction that occurs is the condensation of plural molecules of HCN to produce diaminomaleonitrile.
  
[List of Patents for class 558 subclass 332]    332Processes of attaching cyano to carbon by reaction of an inorganic cyanide with an organic compound (e.g., using HCN, cyanogen, metal cyanide, ammonium cyanide, cyanogen chloride, etc.)
 This subclass is indented under subclass 303.  Processes wherein cyano is bonded to carbon by the reaction of an organic compound with an inorganic cyanide, such as HCN, cyanogen, cyanogen chioride, metal cyanide, ammonium cyanide, etc.
(1) Note. An example of a process provided for herein is: the production of acetonitrile by reaction of acetone and cyanogen in the presence of activated alumina.
(2) Note. The inorganic cyanides listed above are considered inorganic by reason of their classification in Class 423.
  
[List of Patents for class 558 subclass 333]    333The organic compound contains a carbon to carbon triple bond (e.g., acrylonitrile from acetylene and HCN, etc.)
 This subclass is indented under subclass 332.  Processes wherein a carbon to carbon triple bond is present in the organic compound.
(1) Note. An example of a process provided for herein is: the production of acrylonitrile by the vapor phase reaction of acetylene and HCN in the presence of zinc oxide.
  
[List of Patents for class 558 subclass 334]    334Liquid phase reaction (e.g., using aqueous CuCl catalyst, etc.)
 This subclass is indented under subclass 333.  Processes unde ... conducted in liquid phase.
  
[List of Patents for class 558 subclass 335]    335The organic compound contains an acyclic or alicyclic carbon to carbon double bond
 This subclass is indented under subclass 332.  Processes wherein an acyclic or clicyclic carbon to carbon double bond is present in the organic compound.
(1) Note. An example of a process provided for herein is: the production of propionitrile by the reaction of ethylene and HCN in the presence of nickel cyanide.
  
[List of Patents for class 558 subclass 336]    336Cyanogen or cyanogen halide utilized
 This subclass is indented under subclass 335.  Processes wherein there is utilized cyanogen halide or cyanogen.
(1) Note. An example of a process provided for herein is: the production of betachloropropionitrile by the reaction of ethylene with cyanogen chloride.
  
[List of Patents for class 558 subclass 337]    337The organic compound contains halogen bonded directly to carbon
 This subclass is indented under subclass 335.  Processes wherein the organic campound contains carbon bonded directly to halogen.
(1) Note. An example of a process provided for herein is: the production of 1,4-dicyano-2-butene by the reaction of 1,4-dihalo-2-butene with hydrogen cyanide in the presence of a catalyst.
  
[List of Patents for class 558 subclass 338]    338Organic material which contains phosphorus, arsenic, or antimony, in addition to nickel, utilized (e.g., zero-valent nickel complexes, etc.)
 This subclass is indented under subclass 335.  Processes wherein there is utilized an organic material that contains (1) nickel, and (2) phosphorus, arsenic, or antimony.
(1) Note. An example of a process provided for herein is: the production of adiponitrile by the reaction of 3-pentenenitrile and HCH in the presence of

Image 1 for class 558 subclass 338

  
[List of Patents for class 558 subclass 339]    339Cobalt, copper, silver, or gold containing material utilized
 This subclass is indented under subclass 335.  Processes wherein there is employed a material that contains cobalt, copper, silver, or gold.
(1) Note. An example of a process provided for herein is: the production of 3-pentene-nitrile by the reaction of butadiene and HCN in the presence of cuprous halide catalyst.
  
[List of Patents for class 558 subclass 340]    340Ruthenium, rhodium, palladium, osmium, iridium, or platinum containing material utilized
 This subclass is indented under subclass 335.  Processes wherein there is employed a material that contains ruthenium, rhodium, palladium, osmium, iridium or platinum.
(1) Note. An example of a process provided for herein is: the production of propionitrile by the reaction of ethylene and hydrogen cyanide in the presence of rhodium.
  
[List of Patents for class 558 subclass 341]    341The organic compound contains a carbonyl (e.g., ketene, etc.)
 This subclass is indented under subclass 335.  Processes wherein a carbonyl, -C(=O)-, is present in the organic compound.
(1) Note. An example of a process provided for herein is: the production of 3-cyano-propionamide by the reaction of acrylamide and hydrocyanic acid in the presence of alkali metal cyanide.
  
[List of Patents for class 558 subclass 342]    342Replacing halogen with cyano
 This subclass is indented under subclass 332.  Processes wherein cyano replaces halogen bonded directly to carbon.
(1) Note. An example of a process provided for herein is: the production of acrylonitrile by the reaction of 1,2-dichhloroethane with sodium cyanide.
  
[List of Patents for class 558 subclass 343]    343On benzene ring
 Processes under subcvlass 342 wherein cyano replaces halogen bonded directly to a benzene ring.
(1) Note. An example of a process provided for herein is: the production of terephthaloitrile by the reaction of p-dibromobenzene with HCN in the presence of nickel cyanide on alumina.
  
[List of Patents for class 558 subclass 344]    344Organic compound of nitrogen, phosphorus, arsenic, antimony, or bismuth utilized other than as reactant (e.g., utilizing phase transfer agents, etc.)
 This subclass is indented under subclass 342.  Processes wherein there is utiltized, other than as a reactant, an organic compound of nitrogen, phosphorus, arsenic, antimony or bismuth.
(1) Note. An example of a process provided for herein is: the production of 4-chlorobutyronitrile by the reaction of 1-chloro-3-bromopropane with ammonium cyanide in the presence of cetyltrimethyl ammonium bromide phase transfer catalyst.
  
[List of Patents for class 558 subclass 345]    345Aldehyde, and carboxylic acid halide or carboxylic acid anhydride, reacted with the inorganic cyanide
 This subclass is indented under subclass 332.  Processes wherein the inorganic cyanide is reacted with (1) an aldehyde, and (2) a carboxylic acid halide or a carboxylic acid anhydride.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 345

  
[List of Patents for class 558 subclass 346]    346Aldehyde or ketone, and ammonia or substituted ammonia, reacted with the inorganic cyanide
 This subclass is indented under subclass 332.  Precesses wherein the inorganic cyanide is reacted with (1) an aldehyde or a ketone, and (2) ammonia or a substituted ammonia.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 346

  
[List of Patents for class 558 subclass 347]    347Hetero ring containing compound reacted with the inorganic cyanide (e.g., reaction of epoxy compounds, etc.)
 This subclass is indented under subclass 332.  Processes wherein the inorganic cyanide is reacted with a hetero ring containing compound.
(1) Note.An example of a process provided for herein is:

Image 1 for class 558 subclass 347

  
[List of Patents for class 558 subclass 348]    348Replacing hydrogen with cyano (e.g., malononitrile from acetonitrile, etc.)
 This subclass is indented under subclass 332.  Processes wherein cyano replaces hydrogen bonded directly to carbon.
(1) Note. An example of a process provided for herein is: the production of acetonitrile by the reaction of methane and cyanogen chloride.
  
[List of Patents for class 558 subclass 349]    349On benzene ring (e.g., benzonitrile from benzene, etc.)
 This subclass is indented under subclass 348.  Processes wherein cyano replaces hydrogen bonded directly to a benzene ring.
(1) Note. An example of prosess provided for herein is: the production of phthalonitrile by the reaction of benxonitrile and HCN in the presence of a tungsten catalyst.
  
[List of Patents for class 558 subclass 350]    350Replacing oxygen or nitrogen, single bonded to carbon, by cyano
 This subclass is indented under subclass 332.  Processes wherein cyano replace (1) oxygen single bonded to carbon, or (2) nitrogen single bonded to carbon.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 350

  
[List of Patents for class 558 subclass 351]    351Attaching cyano to the carbonyl carbon of an aldehyde or ketone (e.g., cyanohydrin formation, etc.)
 This subclass is indented under subclass 332.  Processes wherein cyano is attached directly to the carbonyl carbon of an aldehyde or ketone.
(1) Note. The carbonyl group, -C(=O)-, does not remain as such in the reaction product.
(2) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 351

  
[List of Patents for class 558 subclass 352]    352Carboxylic acid, carboxylic acid halide, carboxylic acid anhydride, or compound containing carbon double bonded to nitrogen reacted with the inorganic cyanide
 This subclass is indented under subclass 332.  Processes wherein th inorganic cyanide is reacted with a carboxylic acid, a carboxylic acid halide, a carboxylic acid anhydride, or a compound containing nitrogen double bonded to carbon.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 352

  
[List of Patents for class 558 subclass 353]    353Processes utilizing carbon monoxide as a reactant
 This subclass is indented under subclass 303.  Processes wherein carbon monoxide is untiltized as a reactant.
(1) Note. An example of a process provided for herein is: the production of betaformylpropionitrile by the reaction of acrylonitrile with a mixed gas consisting of hydrogen and carbon monoxide in the prosence of cobalt carbonyl.
  
[List of Patents for class 558 subclass 354]    354Racemization, resolution, or inversion of configuration processes for optically active compounds
 This subclass is indented under subclass 303.  Processes wherein compounds having an asymmetric carbon are racemized or opticaly resolved, or wherein such compounds are made to undergo inversion of optical configuration.
  
[List of Patents for class 558 subclass 355]    355Isomerization processes (e.g., double bond shift, cis-trans isomerism, etc.)
 Processes under subclass wherein there occurs transformation or rearrangement of the elements of a starting compound without the addition or removal of any elements.
(1) Note. Examples of processes provided for herein are: (1) the catalytic isomerization of 2-methyl-3- butenenitrile to 3-pentenenitrile, (2) isomerizing 3-pentenenitrile to 4- pentenenitrile, and (3) isomerizing trans-2-penteneitrile to cis-2- pentenenitrile.
  
[List of Patents for class 558 subclass 356]    356Isomerization of reactants containing plural cyano groups
 This subclass is indented under subclass 355.  Processes wherein the starting compound that is isomerized contains plural cyano groups.
(1) Note. An example of a process provided for herein is: the production of 1, 4-dicyano-1-butene by catalytic isomerization of 1, 4-dicyano-2-botene.
  
[List of Patents for class 558 subclass 357]    357Processes of forming carbon to carbon bond between carbons of two organic reactants
 This subclass is indented under subclass 303.  Processes wherein two organic reactants combine in such a way that a carbon of one reactant bonds directly to a carbon of the other reactant.
(1) Note. For processes where the two organic reactants are plural molecules of identical nitrile reactants, see this class, subclasses 360+.
(2) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 357

  
[List of Patents for class 558 subclass 358]    358Reactions utilizing epoxy compounds, or free radical reactions (e.g., utilizing peroxy or azo promotors, etc.)
 This subclass is indented under subclass 357.  Processes wherein a free radical reaction occurs, or an epoxy compound is utilized.
(1) Note. A reaction shall be considered free radical, for purposes of this subclass, if it is stated to be free radical in nature, or if it is catalyzed by a material known or stated to promote free radical reaction.
(2) Note. Examples of processes provided for herein are: (1) the production of allyl cyanide by the reaction of ethylene oxide with acetonitrile, and (2)

Image 1 for class 558 subclass 358

  
[List of Patents for class 558 subclass 359]    359The carbons that form the bond each lose halogen in the process
 This subclass is indented under subclass 357.  Processes wherein halogen is lost, during the reaction, from each of the carbons that form the carbons that form the carbon to carbon bond.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 359

  
[List of Patents for class 558 subclass 360]    360The carbon to carbon bond forms between plural molecules of identical nitrile reactants (e.g., dimerization, etc.)
 This subclass is indented under subclass 357.  Processes wherein the carbon to carbon bond forms between carebons of plural molecules of identical nitrile reactants.
(1) Note. An example of a process provided for herein is: the production of succinonitrile by dehydrodimerizing acetonitrile in the presence of lead oxide.
  
[List of Patents for class 558 subclass 361]    361The reactant is an acyclic nitrile containing carbon to carbon unsaturation (e.g., dimerization or oligomerization of acrylonitrile, etc.)
 This subclass is indented under subclass 360.  Processes wherein the nitrile reactant contains carbon to carbon unsaturation and is acyclic.
(1) Note. An amalgam is an alloy of mercury.
(2) Note. The art terms often used for the type reactions provided for herein are "reductive dimerization" or "hydrodimerization."
  
[List of Patents for class 558 subclass 362]    362Amalgam utilized
 Processes under subclasses 361, which employ an amalgam.
(1) Note. An amalgam is an alloy of mercury with another metal or other metals.
  
[List of Patents for class 558 subclass 363]    363Organic phosphorus compound utilized
 This subclass is indented under subclass 361.  Processes wherein there is utilized an organic phosphorus compound.
(1) Note. An example of a process provided for herein is: the production of 2- methyleneglutaronitrile by the dimerization of acrylonitrile in the presence of tricyclohexylphosphine.
  
[List of Patents for class 558 subclass 364]    364Heavy metal or aluminum containing material utilized
 This subclass is indented under subclass 361.  Processes wherein there is utilized a material that contains aluminum or a metal having a specitic gravity greater than four.
(1) Note. Arsenic is considered a metal.
(2) Note. An example of a process provided for herein is the dimerization of acrylonitrile to 2- methyleneglutaronitrile in the presence of titanium tetrachloride and triethylamine.
  
[List of Patents for class 558 subclass 365]    365Formation of a carbocyclic ring
 This subclass is indented under subclass 357.  Processes wherein a carbocyclic ring is formed.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 365

  
[List of Patents for class 558 subclass 366]    366Three- or four-membered monocyclic ring formed
 This subclass is indented under subclass 365.  Processes wherein the carbocyclic formed is monocyclic and is three-membered or four-membered.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 366

  
[List of Patents for class 558 subclass 367]    367Cyanoalkylation of an acyclic or alicyclic carbon, which is adjacent to a benzene ring or an atom double or triple bonded to a non-carbon atom, by means of acrylonitrile or hydrocarbyl-substituted acrylonitrile (e.g., cyanoethylation, etc.)
 This subclass is indented under subclass 357.  Processes wherein an acyclic or alicyclic carbon, which is adjacent to a benzene ring or to an atom double or triple bonded to a noncarbon atom, is cyanalkylated by means of reaction with acrylonitrile or hydrocarbyl-substituted acrylonitrile.
(1) Note. Examples of prosesses provided for herein are:

Image 1 for class 558 subclass 367

(2) Note. The acyclic or aliycylic carbon of this subclass is generally considered to by the carbon of a reactive methylene group.
  
[List of Patents for class 558 subclass 368]    368The cyanoalkylated carbon is adjacent to a carbonyl carbon
 This subclass is indented under subclass 367.  Processes wherein the acyclic or alicyclic carbon to be cyanoalkylated is adjacent to a carbonyl, -C(=O), group.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 368

  
[List of Patents for class 558 subclass 369]    369Alkylation of an acyclic or alicyclic carbon, which is adjacent to a benzene ring or an atom double or triple bonded to a non-carbon atom, by means of an alkyl halide, alkyl sulfate, substituted alkyl halide or substituted alkyl sulfate
 This subclass is indented under subclass 357.  Processes wherein an acyclic or alicyclic carbon, which is adjacent to a benzene ring or to an atom double or triple bonded to a noncarbon atom, is alkylated by means of an alkyl halide, alkyl sulfate, substituted alkyl halide or substituted alkyl sulfate.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 369

(2) Note. The acyclic or alicyclic carbon of this subclass is generally considered to be the carbon of a reactive methylene group.
  
[List of Patents for class 558 subclass 370]    370Reactant contains two cyano groups bonded directly to the same unsaturated carbon
 This subclass is indented under subclass 357.  Processes wherein a reactant is employed having an unsaturated carbon bonded directly to two cyano groups.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 370

  
[List of Patents for class 558 subclass 371]    371Aldehyde or ketone reactant
 This subclass is indented under subclass 357.  Processes wherein there is employed a reactant that is an aldehyde or a ketone.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 371

  
[List of Patents for class 558 subclass 372]    372Formaldehyde reactant
 This subclass is indented under subclass 371.  Processes wherein formaldehyde is employed as a reactant.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 372

  
[List of Patents for class 558 subclass 373]    373Carbonyl carbon of the aldehyde or ketone reacts to form a carbon to carbon double bond with carbon of a second reactant
 This subclass is indented under subclass 371.  Processes wherein the carbonyl carbon of the ketone or aldehyde reacts to form a carbon to carb on double bond with carbon of a second reactant.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 373

  
[List of Patents for class 558 subclass 374]    374The carbon of the second reactant is bonded directly to two atoms which are each double or triple bonded to noncarbon atoms
 This subclass is indented under subclass 373.  Processes wherein the carbon of the second reactant is bonded directly to two atoms, each of which is double or triple bonded to noncarbon atoms.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 374

  
[List of Patents for class 558 subclass 375]    375Carbon to carbon double bond is formed between a nitrile reactant having no acyclic or alicyclic carbon to carbon double bond and a second reactant
 This subclass is indented under subclass 357.  Processes unnder ... wherein reaction between a nitrile reactant having no cyclic or alicyclic carbon to carbon double bond and a second reactant results in formation of a carbon to carbon double bond between carbons of the two reactants.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 375

  
[List of Patents for class 558 subclass 376]    376Hydrogen bonded to a benzene ring is replaced by carbon
 This subclass is indented under subclass 357.  Processes wherein carbon replaces hydrogen bonded to a benzene ring.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 376

  
[List of Patents for class 558 subclass 377]    377A nitrile reactant and a second reactant each contain an acyclic or alicyclic carbon to carbon double bond
 This subclass is indented under subclass 357.  Processes wherein an acyclic or alicyclic carbon to carbon double bond is part of a nitrile reactant and is part of a second reactant.
(1) Note. The type reaction known in the art as "olefin disproportionation" is generally callified herein.
(2) Note. Examples of processes provided for herein are: (1) the reactions of the three component system (A) olefin, (B) olefinically undaturated nitrile and (C) a monoadduct reaction product of an olefin and an olefinically unsaturated nitrile, and (2)

Image 1 for class 558 subclass 377

  
[List of Patents for class 558 subclass 378]    378A nitrile reactant contains no acyclic or alicyclic carbon to carbon unsaturation
 This subclass is indented under subclass 357.  Processes wherein a nitrile reactant contains no acyclic or alicyclic carbon to carbon unsaturation.
(1) Note. If different nitriles are reactants, one nitrile reactant may contain acyclic or alicyclic carbon to carbon unsaturation.
(2) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 378

  
[List of Patents for class 558 subclass 379]    379Processes of forming an acyclic or alicyclic carbon to carbon double bond from an existing acyclic or alicyclic carbon to carbon single bond (e.g., by dehydroacylation, etc.)
 This subclass is indented under subclass 303.  Processes wherein an exsting acyclic or alicyclic carbon to carbon single bond is converted to an acyclic or alicyclic carbon to carbon double bond.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 379

  
[List of Patents for class 558 subclass 380]    380By dehydrohalogenation
 This subclass is indented under subclass 379.  Processes wherein formation of the carbon to carbon double bond is accomplished by removal of one hydrogen and one halogen from adjacent single bonded acyclic or alicyclic carbons.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 380

  
[List of Patents for class 558 subclass 381]    381By dehalogenation, dehydrocyanation, ring cleavage, or depolymerization
 This subclass is indented under subclass 379.  Processes wherein formation of the carbon to carbon double bond is accomplished by dehalogenation, dehydrocyanation, ring cleavage or depolymerization.
(1) Note. An example of a dehalogenation process provided for herein is:

Image 1 for class 558 subclass 381

(2) Note. An example of a dehydrocyanation process provided for herein is:

Image 2 for class 558 subclass 381

(3) Note. An example of a ring cleavage process provided for herein is:

Image 3 for class 558 subclass 381

(4) Note. An example of a depolymerization process provided for herein is:

Image 4 for class 558 subclass 381

  
[List of Patents for class 558 subclass 382]    382By dehydration (i.e., removal of water)
 This subclass is indented under subclass 379.  Processes wherein formation of the carbon to carbon double bond is accomplished by dehydration.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 382

  
[List of Patents for class 558 subclass 383]    383By dehydrogenation
 This subclass is indented under subclass 379.  Processes wherein formation of the carbon to carbon double bond is accomplished by removal of hydrogen from adjacent single bonded acyclic or alicyclic carbons.
(1) Note. An example of a process provided for herein is:

Image 1 for class 558 subclass 383

  
[List of Patents for class 558 subclass 384]    384Boron or spiro containing
 This subclass is indented under subclass 303.  Compounds which contain boron or a spiro ring system.
(1) Note. An example of a spiro compound provided for herein is:

Image 1 for class 558 subclass 384

  
[List of Patents for class 558 subclass 385]    385Phosphorus attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 303.  Compounds wherein phosphorus is attached indirectly to the cyano group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 385

  
[List of Patents for class 558 subclass 386]    386Chalcogen, nitrogen, or halogen bonded directly to the phosphorus by nonionic bonding
 This subclass is indented under subclass 385.  Compounds wherein the phosphorus is attached directly to nitrogen, halogen, or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 386

  
[List of Patents for class 558 subclass 387]    387Oxygen single bonded to oxygen, or sulfur single bonded to sulfur (e.g., peroxy compounds, etc.)
 This subclass is indented under subclass 303.  Compounds wherein sulfur is single bonded to sulur, or oxygen is single bonded to oxygen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 387

  
[List of Patents for class 558 subclass 388]    388Benzene ring attached indirectly to the cyano group by acyclic nonionic bonding
 This subclass is indented under subclass 303.  Compounds wherein the cyano group is attached indirectly to a benzene ring by acyclic nonionic bonding.
(1) Note. An exampleof a compound provided for herein is:

Image 1 for class 558 subclass 388

  
[List of Patents for class 558 subclass 389]    389Non-carbon atom in acyclic chain between the benzene ring and the cyano group
 This subclass is indented under subclass 388.  Compounds wherein the acyclic chain between the benzene ring and the cyano group has a noncarbon atom as a chain member.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 389

  
[List of Patents for class 558 subclass 390]    390Nitrogen in the acyclic chain
 This subclass is indented under subclass 389.  Compounds wherein the acyclic chain has nitrogen as a chain member.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 390

  
[List of Patents for class 558 subclass 391]    391Carbon, also in the chain, double bonded to the nitrogen
 This subclass is indented under subclass 390.  Compounds wherein the nitrogen is double bonded to carbon, which is also a member of the chain.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 391

  
[List of Patents for class 558 subclass 392]    392Having -C(=X)-, also in the chain, bonded directly to the nitrogen (wherein X is chalcogen)
 This subclass is indented under subclass 390.  Compounds wherein the nitrogen is bonded directly to -C(=X-, which is also in the chain, wherein X is chalcogen (i.e., oxygen, sulfur, seleium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 392

  
[List of Patents for class 558 subclass 393]    393Carbon to carbon unsaturation, chalcogen, or additional nitrogen in the chain
 This subclass is indented under subclass 392.  Compounds wherein the chain also has carbon to carbon unsaturation, an additional nitrogen, or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 393

  
[List of Patents for class 558 subclass 394]    394The chain nitrogen bonded directly to the benzene ring
 This subclass is indented under subclass 390.  Compounds wherein the benzene ring is bonded directly to the chain nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 394

  
[List of Patents for class 558 subclass 395]    395Cyano or carbonyl bonded directly to an acyclic carbon which is double bonded to another carbon
 This subclass is indented under subclass 394.  Compounds wherein an acyclic carbon which is double bonded to another carbon is also bonded directly to cyano or to carbonyl.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 395

  
[List of Patents for class 558 subclass 396]    396Sulfur in the chain
 This subclass is indented under subclass 389.  Compounds wherein the acyclic chain has sulfur as a chain member.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 396

  
[List of Patents for class 558 subclass 397]    397Oxygen double bonded to the sulfur
 This subclass is indented under subclass 396.  Compounds wherein the sulfur is double bonded to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 397

  
[List of Patents for class 558 subclass 398]    398Having -COO- in the chain
 This subclass is indented under subclass 389.  Compounds wherein-C(=O)- is part of the acyclic chain.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 398

  
[List of Patents for class 558 subclass 399]    399The carbon of the -COO- group is bonded directly to the benzene ring
 This subclass is indented under subclass 398.  Compounds wherein the benzene ring is bonded dircftly to the carbon of the -C(=O)- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 399

  
[List of Patents for class 558 subclass 400]    400Cyano or carbonyl bonded directly to an acyclic carbon which is double bonded to another carbon
 This subclass is indented under subclass 398.  Compounds wherein an acyclic carbon which is double bonded to another carbon is also bonded directly to cyano or to carbonyl.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 400

  
[List of Patents for class 558 subclass 401]    401Benzene ring and cyano connected by a chain consisting of two carbons multiple bonded to each other
 This subclass is indented under subclass 388.  Compounds wherein a chain consisting of two carbons multiple bonded to each other connects the cyano group and the benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 401

  
[List of Patents for class 558 subclass 402]    402Additional benzene ring bonded directly to the chain
 This subclass is indented under subclass 401.  Compounds wherein one of the carbons of the chain is bonded directly to an additional benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 402

  
[List of Patents for class 558 subclass 403]    403Nitrogen, except as nitro or nitroso, bonded directly to the benzene ring
 This subclass is indented under subclass 401.  Compounds wherein the benzene ring is bonded directly to nitrogen, except as nitro or nitrosos.
(1) Note. A nitro or nitroso group may be bonded directly to the benzene ring, provided that a nitrogen which is not part of a nitro or nitrosos group is also bonded directly thereto.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 403

  
[List of Patents for class 558 subclass 404]    404Having -C(=X)-, wherein X is chalcogen, attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 388.  Compounds wherein the cyano group is attached ndirectly to -C(=X)- by nonionic bonding, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 404

  
[List of Patents for class 558 subclass 405]    405Two carbons bonded directly to the carbon of the -C(=X)- group (e.g., ketones, etc.)
 This subclass is indented under subclass 404.  Compounds wherein the carbon of the -C(=X)- group is bonded directly to two carbons.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 405

  
[List of Patents for class 558 subclass 406]    406Oxygen bonded directly to carbonyl (e.g., carboxylic acid esters, etc.)
 This subclass is indented under subclass 404.  Compounds wherein a carbonyl group, -C(=O)-, is bonded directly to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 406

  
[List of Patents for class 558 subclass 407]    407Three-membered carbocyclic ring containing
 This subclass is indented under subclass 406.  Compounds which contain a three-membered carbocyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 407

  
[List of Patents for class 558 subclass 408]    408Nitrogen, except as nitro or nitroso, attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 388.  Compounds wherein the cyano group is attached indirectly to nitrogen, except as nitro or nitroso, by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached indirectly to the cyano group by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 408

  
[List of Patents for class 558 subclass 409]    409Plural cyano groups containing
 This subclass is indented under subclass 408.  Compounds wherein plural cyano groups are present.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 409

  
[List of Patents for class 558 subclass 410]    410Oxygen attached indirectly to the cyano group by nonionic bonding (e.g., nitro group, etc.)
 This subclass is indented under subclass 388.  Compounds wherein the cyano group is attached indirectly to oxygen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 410

  
[List of Patents for class 558 subclass 411]    411Benzene ring bonded directly to the cyano group
 This subclass is indented under subclass 303.  Compounds wherein the cycano group is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 411

  
[List of Patents for class 558 subclass 412]    412Sulfur and hydroxy bonded directly to the same benzene ring, or containing a monocyclic unsaturated alicyclic ring or thiocarbonyl
 This subclass is indented under subclass 411.  Compounds wherein sulfur and hydroxy are bonded to the same benzene ring, or which contain a monocyclic unsaturated alicyclic ring or a thiocarbonyl group, -C(S)-.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 412

  
[List of Patents for class 558 subclass 413]    413Sulfur, double bonded to oxygen, attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 411.  Compounds wherein the cyano group is attached indirectly, by nonionic bonding, to sulfur which is double bonded to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 413

  
[List of Patents for class 558 subclass 414]    414Carbonyl attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 411.  Compounds wherein the cyano group is attached indirectly to carbonyl, -C(=O)-, by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 414

  
[List of Patents for class 558 subclass 415]    415Benzene ring bonded directly to the carbonyl
 This subclass is indented under subclass 414.  Compounds wherein the carbonyl is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 415

  
[List of Patents for class 558 subclass 416]    416Oxygen bonded directly to the carbonyl (e.g., benzoic acid esters, etc.)
 This subclass is indented under subclass 415.  Compounds wherein the carbonyl is bonded directly to both a benzene ring and to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 416

  
[List of Patents for class 558 subclass 417]    417The carbonyl is bonded directly to two non-carbon atoms, or to a non-carbon atom and an additional carbonyl (e.g., carbamates, oxamides, etc.)
 This subclass is indented under subclass 414.  Compounds wherein two noncarbon atoms, or a noncarbon atom and an additional carbonyl, are bonded directly to the carbonyl group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 417

  
[List of Patents for class 558 subclass 418]    418Nitrogen, except as nitro or nitroso, attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 411.  Compounds wherein the cyano group is attached indirectly to nitrogen, except as notro on nitroso, by nonionic bonding.
(1) Note. A nitro or nitroso group may be attached indirectly to the cyano group by nonionic bonding, provided that a nitrogen which is not part of a nitro or nitroso group is also so attached.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 418

  
[List of Patents for class 558 subclass 419]    419Plural cyano groups containing
 This subclass is indented under subclass 418.  Compounds wherein plural cyano groups are present.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 419

  
[List of Patents for class 558 subclass 420]    420Plural benzene rings bonded directly to cyano groups
 This subclass is indented under subclass 419.  Compounds wherein cyano groups are bonded directly to more that one benzene ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 420

  
[List of Patents for class 558 subclass 421]    421Plural cyano groups bonded directly to a benzene ring, which is further unsubstituted or hydrocarbyl substituted only
 This subclass is indented under subclass 419.  Compounds wherein plural cyano groups are bonded directly to a benzene ring, which is further unsubstituted or hydrocarbyl substituted only.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 421

  
[List of Patents for class 558 subclass 422]    422The nitrogen is attached indirectly to a benzene ring by acyclic nonionic bonding
 This subclass is indented under subclass 418.  Compounds wherein a benzene ring is attached indirectly to the nitrogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 422

  
[List of Patents for class 558 subclass 423]    423Oxygen attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 411.  Compounds wherein the cyano group is attached indirectly to oxygen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 423

  
[List of Patents for class 558 subclass 424]    424Two benzene rings bonded directly to the same oxygen, or nitrogen bonded directly to oxygen (e.g., nitro compounds, phenoxyphenyl compounds, etc.)
 Compounds under subclas 423 wherein the oxygen is bonded directly to nitrogen, or two benzene rings are bonded directly to the same oxygen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 424

  
[List of Patents for class 558 subclass 425]    425Halogen attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 411.  Compounds wherein the cyano group is attached indirectly to halogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 425

  
[List of Patents for class 558 subclass 426]    426Benzene ring attached indirectly to the cyano group by nonionic bonding (i.e., alicyclic ring between the benzene ring and the cyano group)
 This subclass is indented under subclass 303.  Compounds wherein the cyano group is attached indirectly to a benzene ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 426

  
[List of Patents for class 558 subclass 427]    427Polycyclo ring system having at least three cyclos, at least one of which is a benzene ring
 This subclass is indented under subclass 426.  Compounds which contain a polycyclo ring system having at least three cyclos, and at least one of the cyclos of the system is a benzene ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 427

  
[List of Patents for class 558 subclass 428]    428Polycyclo alicyclic ring system containing
 This subclass is indented under subclass 303.  Compounds which contain a polycyclo alicyclic ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 428

  
[List of Patents for class 558 subclass 429]    429The ring system contains at least three cyclos
 This subclass is indented under subclass 428.  Compounds wherein at least three cyclos are in the polycyclo alicyclic ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 429

  
[List of Patents for class 558 subclass 430]    430Six-membered alicyclic ring containing
 This subclass is indented under subclass 303.  Compounds which contain a six-membered alicyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 430

  
[List of Patents for class 558 subclass 431]    431Cyano bonded directly to the ring
 This subclass is indented under subclass 430.  Compounds wherein the six-membered alicyclic ring is bonded directly to the cyano group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 431

  
[List of Patents for class 558 subclass 432]    432Five-membered alicyclic ring containing
 This subclass is indented under subclass 303.  Compounds which contain a five-membered alicyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 432

  
[List of Patents for class 558 subclass 433]    433Four-membered alicyclic ring containing
 This subclass is indented under subclass 303.  Compounds which contain a four-membered alicyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 433

  
[List of Patents for class 558 subclass 434]    434Three-membered alicyclic ring containing
 This subclass is indented under subclass 303.  Compounds which contain a three-membered alicyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 434

  
[List of Patents for class 558 subclass 435]    435Acyclic (e.g., purification of saturated nitriles, etc.)
 This subclass is indented under subclass 303.  Compounds which are acyclic.
  
[List of Patents for class 558 subclass 436]    436Sulfur attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 435.  Compounds wherein the cyano group is attached in directly to sulfur by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 436

  
[List of Patents for class 558 subclass 437]    437The sulfur is double bonded to oxygen
 This subclass is indented under subclass 436.  Compounds wherein oxygen is double bonded to the sulfur.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 437

  
[List of Patents for class 558 subclass 438]    438Two carbons bonded directly to the same divalent sulfur
 This subclass is indented under subclass 436.  Compounds wherein two carbons are bonded directly to the same divalent sulfur.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 438

  
[List of Patents for class 558 subclass 439]    439Additional cyano group
 This subclass is indented under subclass 438.  Compounds wherein plural cyano groups are present.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 439

  
[List of Patents for class 558 subclass 440]    440Carbonyl attached indirectly to the cyano group by nonionic bonding (e.g., aldehydes, ketones, etc.)
 This subclass is indented under subclass 435.  Compounds wherein the cyano group is attached indirectly to carbonyl, -C(=O)-, by nonionic bonding
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 440

  
[List of Patents for class 558 subclass 441]    441Oxygen bonded directly to the carbonyl group (e.g., carboxylic acid esters, etc.)
 This subclass is indented under subclass 440.  Compounds wherein the carbonyl group is bonded directly to oxygen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 441

  
[List of Patents for class 558 subclass 442]    442Additional carbonyl attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 441.  Compounds wherein plural carbonyl, -C(=O), groups are attached indirectly to the cyano group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 442

  
[List of Patents for class 558 subclass 443]    443The cyano group is bonded directly to the carbon adjacent to the carbonyl carbon (e.g., alpha cyano acrylates, etc.)
 This subclass is indented under subclass 441.  Compounds wherein the carbon adjacent to the carbonyl carbon is bonded directly to the cyano group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 443

  
[List of Patents for class 558 subclass 444]    444The oxygen is between the carbonyl and the cyano group (e.g., cyano is in the alcohol portion of a carboxylic acid ester, etc.)
 This subclass is indented under subclass 441.  Compounds wherein the oxygen is between the cyano group and the carbonyl.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 444

  
[List of Patents for class 558 subclass 445]    445Nitrogen bonded directly to the carbonyl (e.g., ureas, etc.)
 This subclass is indented under subclass 440.  Compounds wherein the carbonyl is bonded directly to nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 445

  
[List of Patents for class 558 subclass 446]    446Nitrogen, double bonded to carbon, attached indirectly to the cyano group by nonionic bonding (e.g., imines, oximes, etc.)
 This subclass is indented under subclass 435.  Compounds wherein the cyano group is attached indirectly, by nonionic bonding, to nitrogen, which is double bonded to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 446

  
[List of Patents for class 558 subclass 447]    447Plural carbons bonded directly to the same oxygen
 This subclass is indented under subclass 435.  Compounds wherein the same oxygen is bonded directly to plural carbons.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 447

  
[List of Patents for class 558 subclass 448]    448Plurals oxygens bonded directly to the same carbon (e.g., acetals, etc.)
 This subclass is indented under subclass 447.  Compounds wherein the same carbon is bonded directly to plural oxygens.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 448

  
[List of Patents for class 558 subclass 449]    449Cyano is attached directly or indirectly by nonionic bonding to carbon that is multiple bonded to another carbon
 This subclass is indented under subclass 447.  Compounds wherein carbon, which is multiple bonded to another carbon, is attached directly or indirectly to the cyano group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 449

  
[List of Patents for class 558 subclass 450]    450Processes for formation of an ether group (e.g., cyanoethylation of alcohols, etc.)
 This subclass is indented under subclass 447.  Processes wherein an ether group is formed.
(1) Note. Examples of reactions provided for herein are:

Image 1 for class 558 subclass 450

  
[List of Patents for class 558 subclass 451]    451Having -OH bonded directly to carbon (wherein H of -OH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal) by dehydroacylation, etc.)
 This subclass is indented under subclass 435.  Compounds wherein carbon is bonded directly to -OH (wherein H of -OH may be replaced by substituted or unsubstituted ammonium, or by a Group IA or IIA light metal).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 451

  
[List of Patents for class 558 subclass 452]    452Nitrogen attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 435.  Compounds wherein the cyano group is attached indirectly to nitrogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 452

  
[List of Patents for class 558 subclass 453]    453Plural cyano groups bonded directly to the same carbon (e.g., malononitrile, tetracyanoethylene, etc.)
 This subclass is indented under subclass 452.  Compounds wherein plural cyano groups are bonded directly to the same carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 453

  
[List of Patents for class 558 subclass 454]    454Plural cyano groups bonded directly to the same chain (e.g., adiponitrile, etc.)
 This subclass is indented under subclass 452.  Compounds wherein plural cyano groups are bonded directtly to the same chain.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 454

  
[List of Patents for class 558 subclass 455]    455The chain contains nitrogen (e.g., iminodiacetonitrile, nitrilotriacetonitrile, etc.)
 This subclass is indented under subclass 454.  Compounds wherein nitrogen is a member of the chain.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 455

  
[List of Patents for class 558 subclass 456]    456Purification or recovery of saturated hydrocarbon dinitriles (e.g., from mixtures with cyanocyclopentanonimine, 2-cyanocyclopenten-1-ylamine, etc.)
 This subclass is indented under subclass 454.  Processes wherein saturated hydrocarbon dinitriles are separated from impurities, or from a reaction medium.
  
[List of Patents for class 558 subclass 457]    457A carbon in the chain is multiple bonded to carbon (e.g., 1,4 dicyanobutene, etc.)
 This subclass is indented under subclass 454.  Compounds wherein carbon is multiple bonded to a carbon in the chain.
(1) Note. Example of compounds provided for herein are:

Image 1 for class 558 subclass 457

  
[List of Patents for class 558 subclass 458]    458The nitrogen is attached directly to halogen by nonionic bonding, or is part of a nitro, nitroso, nitrate, or N-oxide group
 This subclass is indented under subclass 452.  Compounds wherein the nitrogen is part of a nitro, nitroso nitrate, or N-oxide group, or is attached directly to halogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 458

  
[List of Patents for class 558 subclass 459]    459Hydrogenation of dinitriles, or displacement of halo, hydroxy, or alkoxy by ammonia or substituted ammonia
 Processes under sublcass 452 wherein halo, hydroxy or alkoxy is displace by ammonia or substituted ammonia, or wherein a dinitrile is hydrogenated.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 459

  
[List of Patents for class 558 subclass 460]    460Halogen attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 435.  Compounds wherein the cyano group is attached indirectly to halogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 460

  
[List of Patents for class 558 subclass 461]    461Plural halogens attached indirectly to the cyano group by nonionic bonding
 This subclass is indented under subclass 460.  Compounds wherein the cyano group is attached indirectly to plural halogens by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 558 subclass 461

  
[List of Patents for class 558 subclass 462]    462Carbon to carbon unsaturation containing
 This subclass is indented under subclass 435.  Compounds which contain carbon to carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 462

  
[List of Patents for class 558 subclass 463]    463Purification or recovery
 This subclass is indented under subclass 462.  Processes wherein a nitrile containing carbon to carbon unsaturation is separated from impurities or from a reaction medium.
  
[List of Patents for class 558 subclass 464]    464Utilizing ion exchange resin, or a silicon, aluminum, or heavy metal containing material
 This subclass is indented under subclass 463.  Processes which utiltze a material that contains silicon, aluminum, or a metal having specific gravity greater than four, or which utilize an ion exchange resin.
(1) Note. Arsenic is considered a metal.
  
[List of Patents for class 558 subclass 465]    465Of nitriles prepared by hydrocyanation (e.g., by reaction of acetylene with hydrogen cyanide, etc.)
 This subclass is indented under subclass 463.  Processes unde ... wherein the nitrile to be separated from impurities or from a reaction medium is prepared by hydrocyanation.
  
[List of Patents for class 558 subclass 466]    466Of nitriles prepared by reaction of an organic compound, ammonia, and molecular oxygen or a molecular oxygen-containing gas (i.e., of nitriles prepared by ammoxidation)
 This subclass is indented under subclass 463.  Processes wherein the nitrile to be separated from impurities of from a reaction medium is prepared by reaction of an organic compounds ammonia, and molecular oxygen or a molecular oxygen-containing gas.
  
[List of Patents for class 558 subclass 467]    467Processes for preparation of saturated nitriles
 This subclass is indented under subclass 435.  Processes wherein saturated nitriles are prepared.
(1) Note. Examples of processes provided for herein are:

Image 1 for class 558 subclass 467

  
[List of Patents for class 558 subclass 480]    480Nitrate esters or chalcogen analogues thereof (i.e., compounds having (X=)N(=X)-X- bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon; the X's may be the same or diverse chalcogens)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the group, (see illustration below) wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to an additional carbon.

Image 1 for class 558 subclass 480

(1) Note. Examples of compounds provided for herein are:

Image 2 for class 558 subclass 480

SEE OR SEARCH CLASS:

588Hazardous or Toxic Waste Destruction or Containment,   subclasses 406 , 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing, halogen, chalcogen, or nitrogen.
  
[List of Patents for class 558 subclass 481]    481With preservative or stabilizer
 This subclass is indented under subclass 480.  Compounds in admixture with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 558 subclass 482]    482Benzene ring containing
 This subclass is indented under subclass 480.  Compounds which contain a benzene ring.
(1) Note. An example of a compounds provided for herein is:

Image 1 for class 558 subclass 482

  
[List of Patents for class 558 subclass 483]    483Additional nitrogen or chalcogen containing
 This subclass is indented under subclass 480.  Compounds which contain additional nitrogen or additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 483

  
[List of Patents for class 558 subclass 484]    484Plural (X=)N(=X)-X- groups containing
 This subclass is indented under subclass 483.  Compounds which contain more than one group:

Image 1 for class 558 subclass 484

(1) Note. An example of a compound provided for herein is:

Image 2 for class 558 subclass 484

  
[List of Patents for class 558 subclass 485]    485Four or more (X=)N(=X)-X- groups containing
 This subclass is indented under subclass 484.  Compounds which contain at least four groups.

Image 1 for class 558 subclass 485

(1) Note. An example of a compound provided for herein is:

Image 2 for class 558 subclass 485

  
[List of Patents for class 558 subclass 486]    486Glyceryl trinitrate per se (i.e., trinitroglycerin)
 This subclass is indented under subclass 484.  The compound, trinitroglycerine, which has the following structure:

Image 1 for class 558 subclass 486

(1) Note. This compound is also referred to as glyceryl trinitrate.
  
[List of Patents for class 558 subclass 487]    487Containing nitrogen bonded directly to carbon
 This subclass is indented under subclass 484.  Compounds in which carbon is bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 487

  
[List of Patents for class 558 subclass 488]    488Nitrite esters or chalcogen analogues thereof (i.e., compounds having (X=)N X- bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon; the X's may be the same or diverse chalcogens)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain the X=N-X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to carbon, which carbon may be single bonded to any atom but may be multiple bonded only to an additional carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 558 subclass 488

SEE OR SEARCH CLASS:

568Organic Compounds,   subclasses 924+ for compounds wherein the nitro group is bonded directly to carbon.
588Hazardous or Toxic Waste Destruction or Containment,   subclasses 408 and 409 for the chemical destruction of organic hazardous or toxic waste containing chalcogen or nitrogen.
  

This page is produced by the Office of Classification Support (Office of Patent Classification) for the Reference Tools Project.

Please send questions and comments to usptoinfo@uspto.gov .

Note: The Patent and Trademark Depository Library Program (PTDLP) administers a nationwide network of public, state and academic libraries designated as Patent and Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate Patent and Trademark Information Support Diverse Intellectual Property Needs of the Public. PTDL Contact Information

Note: For information/comments on electronic information products, such as purchasing USPTO data, or to discuss system requirements for magnetic tape products, contact:

     Information Products Division -- U.S. Patent and Trademark Office Information Products Division Contact Information
     Or, browse their on-line catalog.

KEY: e Biz=online business system fees=fees forms=formshelp=help laws and regs=laws/regulations definition=definition (glossary)

The Inventors Assistance Center is available to help you on patent matters.Send questions about USPTO programs and services to the USPTO Contact Center (UCC). You can suggest USPTO webpages or material you would like featured on this section by E-mail to the webmaster@uspto.gov. While we cannot promise to accommodate all requests, your suggestions will be considered and may lead to other improvements on the website.


|.HOME | SITE INDEX| SEARCH | eBUSINESS | HELP | PRIVACY POLICY