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 [Search a list of Patent Appplications for class 556]   CLASS 556,ORGANIC COMPOUNDS -- PART OF THE CLASS 532 - 570 SERIES
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SUBCLASSES

[List of Patents for class 556 subclass 1]    1HEAVY METAL CONTAINING (e.g., Ga, In or T1, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... , which contain a heavy metal, i.e., a metal having a specific gravity greater than four.
(1) Note. Many subclasses in the 532-570 Series of Classes provide for the combination of a heavy metal with an organic nucleus in a compound. Some examples are Class 534, subclass 692; Class 546, subclass 2; Class 548, subclass 101; and, Class 549, subclass 206.

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588, Hazardous or Toxic Waste Destruction or Containment,   subclass 407 for the chemical destruction of organic hazardous or toxic waste containing a heavy metal.
  
[List of Patents for class 556 subclass 2]    2With preservative or stabilizer
 This subclass is indented under subclass 1.  Products wherein the heavy metal containing compound is mixed with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 556 subclass 3]    3Compound preserved or stabilized contains lead bonded directly to carbon
 This subclass is indented under subclass 2.  Products wherein the compound that is preserved or stabilized contains lead bonded directly to carbon.
(1) Note. Stabilization of the common antiknock compound, tetraethy lead, is provided for herein.
  
[List of Patents for class 556 subclass 4]    4Halogen containing preservative or stabilizer
 This subclass is indented under subclass 3.  Products wherein the preserving or stabilizing agent contains halogen.
  
[List of Patents for class 556 subclass 5]    5Chalcogen containing preservative or stabilizer
 This subclass is indented under subclass 3.  Products wherein the preserving or stabilizing agent contains chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 556 subclass 6]    6Nitrogen containing preservative or stabilizer
 This subclass is indented under subclass 2.  Products wherein the preserving or stabilizing agent contains nitrogen.
  
[List of Patents for class 556 subclass 7]    7Boron containing
 This subclass is indented under subclass 1.  Compounds which contain boron.
  
[List of Patents for class 556 subclass 8]    8Hydrogen bonded directly to the boron
 This subclass is indented under subclass 7.  Compounds wherein the boron is bonded directly to hydrogen.
  
[List of Patents for class 556 subclass 9]    9Silicon containing
 This subclass is indented under subclass 1.  Compounds which contain silicon.
  
[List of Patents for class 556 subclass 10]    10Silicon and heavy metal bonded directly to the same chalcogen
 This subclass is indented under subclass 9.  Compounds wherein silicon and the heavy metal 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:

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[List of Patents for class 556 subclass 11]    11Heavy metal bonded directly to unsaturated five-membered carbocyclic ring
 This subclass is indented under subclass 10.  Compounds wherein an unsaturated five-membered carbocyclic ring is bonded directly to the heavy metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 12]    12At least three carbons bonded directly to silicon
 This subclass is indented under subclass 9.  Compounds where at least three carbons are bonded directly to the silicon.
  
[List of Patents for class 556 subclass 13]    13Phosphorus containing
 This subclass is indented under subclass 1.  Compounds which contain phosphorus.
  
[List of Patents for class 556 subclass 14]    14Additional diverse heavy metal or aluminum containing
 This subclass is indented under subclass 13.  Compounds which contain an additional diverse heavy metal or aluminum.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 15]    15The heavy metal is bonded directly to the carbon of a -C(=X)- group, wherein X is chalcogen (e.g., cyclopentadienyl manganese dicarbonyl triphenyl phosphine, etc.)
 This subclass is indented under subclass 13.  Compounds in which the heavy metal is bonded directly to the carbon of a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 16]    16Iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, or platinum containing (Fe, Co, Ni, Ru, Rh, Pd, Os, Ir or Pt)
 This subclass is indented under subclass 15.  Compounds in which the heavy metal is iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, or platinum.
  
[List of Patents for class 556 subclass 17]    17Plural phosphori bonded directly to the same nitrogen or chalcogen (e.g., pyrophosphates, etc.)
 This subclass is indented under subclass 13.  Compounds wherein at least two phosphori are bonded directly to the same nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 18]    18Plural phosphori bonded directly to the same carbon or attached to each other by an acyclic chain which chain consists of carbons or of carbons and chalcogens
 This subclass is indented under subclass 13.  Compounds wherein at least two phosphori are bonded directly to the same carbon or attached to each other by an acyclic chain which consists of carbons or of carbons and chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 19]    19Carbon bonded directly to the phosphorus
 This subclass is indented under subclass 13.  Compounds wherein carbon is bonded directly to the phosphorus.
  
[List of Patents for class 556 subclass 20]    20Plural carbons bonded directly to the phosphorus
 This subclass is indented under subclass 19.  Compounds wherein at least two carbons are bonded directly to the phosphorus.
  
[List of Patents for class 556 subclass 21]    21Exactly three carbons bonded directly to the phosphorus (e.g., triphenylphosphines, etc.)
 This subclass is indented under subclass 20.  Compounds wherein exactly three carbons are bonded directly to the phosphorus.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 22]    22And carbon bonded directly to the heavy metal
 This subclass is indented under subclass 21.  Compounds wherein carbon is bonded directly to the heavy metal.
  
[List of Patents for class 556 subclass 23]    23Hydrogen or halogen bonded directly to the heavy metal
 This subclass is indented under subclass 21.  Compounds wherein hydrogen or halogen is bonded directly to the heavy metal.
  
[List of Patents for class 556 subclass 24]    24Exactly four chalcogens bonded directly to the phosphorus (e.g., phosphates, orthophosphates, etc.)
 This subclass is indented under subclass 13.  Compounds wherein exactly four chalcogens (i.e., oxygen, sulfur, selenium or tellurium) are bonded directly to the phosphorus.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 25]    25At least two of the chalcogens are sulfur (e.g., zinc dihydrocarbyl dithiophosphates, etc.)
 This subclass is indented under subclass 24.  Compounds wherein at least two of the chalcogens are sulfur.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 26]    26Nitrogen or -C(=X)- containing, wherein X is chalcogen
 This subclass is indented under subclass 24.  Compounds which contain nitrogen or a -C(=X)- group, wherein X is chalcogen.
  
[List of Patents for class 556 subclass 27]    27Aluminum containing
 This subclass is indented under subclass 1.  Compounds which contain aluminum.
  
[List of Patents for class 556 subclass 28]    28Plural diverse heavy metals containing
 This subclass is indented under subclass 1.  Compounds which contain at least two diverse heavy metals.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 29]    29Heavy metal double bonded directly to heavy metal
 This subclass is indented under subclass 28.  Compounds wherein the heavy metal is double bonded directly to heavy metal.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 30]    30Arsenic, antimony, or bismuth containing (As, Sb, or Bi)
 This subclass is indented under subclass 28.  Compounds which contain arsenic, antimony or bismuth.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 31]    31Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl containing, etc.)
 This subclass is indented under subclass 28.  Compounds which contain a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 556 subclass 32]    32Nitrogen double bonded directly to carbon
 This subclass is indented under subclass 1.  Compounds which contain carbon double bonded directly to nitrogen.
  
[List of Patents for class 556 subclass 33]    33Carbocyclic ring bonded directly to the nitrogen (e.g., azomethines, etc.)
 This subclass is indented under subclass 32.  Compounds wherein a carbocyclic ring is bonded directly to the nitrogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 34]    34Additonal carbon double bonded to nitrogen (e.g., bisazomethines, etc.)
 This subclass is indented under subclass 33.  Compounds which contain plural groups having carbon double bonded directly to nitrogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 35]    35Additional nitrogen bonded directly to the carbon or nitrogen
 This subclass is indented under subclass 32.  Compounds wherein an additional nitrogen is bonded directly to the carbon or nitrogen is single bonded directly to the nitrogen.
  
[List of Patents for class 556 subclass 36]    36Guanidines
 This subclass is indented under subclass 35.  Compounds which contain a carbon having one nitrogen double bonded and two nitrogens single bonded directly thereto.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 37]    37Chalcogen bonded directly to the carbon or nitrogen (e.g., oximes, etc.)
 This subclass is indented under subclass 32.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the carbon or nitrogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 38]    38Nitrogen and plural sulfurs bonded directly to the same carbon (e.g., thiocarbamates, etc.)
 This subclass is indented under subclass 1.  Compounds which contain nitrogen and at least two sulfurs bonded directly to the same carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 39]    39Plural nitrogens bonded directly to the same carbon or attached to each other by a chain consisting of carbons, which carbons may be part of a ring (e.g., ethylene bis-dithiocarbamates, etc.)
 This subclass is indented under subclass 38.  Compounds wherein at least two nitrogens are bonded directly to the same carbon or are attached to each other by a chain consisting of carbons, which carbons may be part of a ring.
(1) Note. Example of compounds provided for herein are:

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[List of Patents for class 556 subclass 40]    40Plural -C(=X)- groups, wherein X is chalcogen, bonded directly to the same non-benzenoid carbons, or the enolate thereof. (e.g., beta-diketone chelates, acetylacetonates, etc.)
 This subclass is indented under subclass 1.  Compounds which contain at least two -C(=X)- groups, wherein X chalcogen (i.e., oxygen, sulfur, selenium or tellurium) bonded directly to the same nonbenzenoid carbon, or the enolate thereof.
(1) Note. An example of a compound provided for herein is:

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(2) Note. Excluded from this subclass are metal salicylates, ortho-hydroxy-benzoplenones, and hydroxy indanones, such as:

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[List of Patents for class 556 subclass 41]    41Carbon or halogen bonded directly to the metal
 This subclass is indented under subclass 40.  Compounds wherein carbon or halogen is bonded directly to the metal.
  
[List of Patents for class 556 subclass 42]    42Vanadium, niobium, or tantalum containing (V, Nb, or Ta)
 This subclass is indented under subclass 1.  Compounds which contain vanadium, niobium or tantalum.
(1) Note. Niobium has also been known as columbium.
  
[List of Patents for class 556 subclass 43]    43Carbon bonded directly to the metal (e.g., cyclopentadienyl vanadium tetracarbonyl, etc.)
 This subclass is indented under subclass 42.  Compounds wherein carbon is bonded directly to the metal.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 44]    44The metal is bonded directly to X of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (e.g., vanadyl xanthate, etc.)
 This subclass is indented under subclass 42.  Compounds wherein the metal is bonded directly to X of a -C(=X) X-group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 45]    45Manganese or rhenium containing (Mn or Re)
 This subclass is indented under subclass 1.  Compounds which contain manganese or rhenium.
  
[List of Patents for class 556 subclass 46]    46Carbon bonded directly to the metal (e.g., ethyl thiomanganese tricarbonyl, etc.)
 This subclass is indented under subclass 45.  Compounds wherein carbon is bonded directly to the metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 47]    47The metal is bonded directly to an unsaturated 5-membered carbocyclic ring and to at least three -C(=X)- groups, wherein X is chalcogen (e.g., cyclopentadienyl manganese tricarbonyl, indenyl manganese tricarbonyl, etc.)
 This subclass is indented under subclass 46.  Compounds wherein the metal is bonded directly to an unsaturated 5-membered carbocyclic ring and to at least three -C(=X)-groups, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. Example of compounds provided for herein are:

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[List of Patents for class 556 subclass 48]    48Chalcogen or -C(=X)-, wherein X is chalcogen, bonded directly to the unsaturated 5-membered carbocyclic ring
 This subclass is indented under subclass 47.  Compounds wherein chalcogen or -C(=X)-, wherein X is chalcogen, are bonded directly to the unsaturated 5-membered carbocyclic ring.
  
[List of Patents for class 556 subclass 49]    49The metal is bonded directly to X of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (e.g., manganese acetate, etc.)
 This subclass is indented under subclass 45.  Compounds wherein the metal is bonded directly to X of a -C(=X)X-group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 50]    50Nitrogen containing
 This subclass is indented under subclass 49.  Compounds which contain nitrogen.
  
[List of Patents for class 556 subclass 51]    51Titanium, zirconium, or hafnium containing (Ti, Zr, or Hf)
 This subclass is indented under subclass 1.  Compounds which contain titanium, zirconium or hafnium.
  
[List of Patents for class 556 subclass 52]    52Carbon bonded directly to the metal
 This subclass is indented under subclass 51.  Compounds wherein carbon is bonded directly to the metal.
  
[List of Patents for class 556 subclass 53]    53Plural unsaturated 5-membered carbocyclic rings bonded directly to the metal
 This subclass is indented under subclass 52.  Compounds wherein at least two unsaturated 5-membered carbocyclic rings are bonded directly to the metal.
  
[List of Patents for class 556 subclass 54]    54Plural chalcogens bonded directly to the metal (e.g., alkyl titanates, titanic esters, etc.)
 This subclass is indented under subclass 51.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium or tellurium) are bonded directly to the metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 55]    55Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens
 This subclass is indented under subclass 54.  Compounds which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens.
  
[List of Patents for class 556 subclass 56]    56Nitrogen or halogen containing
 This subclass is indented under subclass 54.  Compounds which contain nitrogen or halogen.
  
[List of Patents for class 556 subclass 57]    57Chromium, molybdenum, or tungsten containing (Cr, Mo, or
 This subclass is indented under subclass 51.  Compounds which contain chromium, molybdenum or tungsten.
  
[List of Patents for class 556 subclass 58]    58Carbon bonded directly to the metal
 This subclass is indented under subclass 57.  Compounds wherein carbon is bonded directly to the metal.
  
[List of Patents for class 556 subclass 59]    59Chalcogen double bonded directly to the carbon (e.g., molybdenum pentacarbonyls, etc.)
 This subclass is indented under subclass 58.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium is double bonded directly to the carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 60]    60Carbocyclic ring bonded directly to the metal
 This subclass is indented under subclass 59.  Compounds wherein a carbocyclic ring is bonded directly to the metal.
  
[List of Patents for class 556 subclass 61]    61Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens
 This subclass is indented under subclass 57.  Compounds which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 556 subclass 62]    62The carbons of plural -C(X=)X- groups, are bonded directly to each other, to the same acyclic carbon, (e.g., chromium oxalates, etc.)
 This subclass is indented under subclass 61.  Compounds wherein the carbons of at least two -C(=X)X- groups are bonded directly to each other, to the same acyclic carbon chain.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 63]    63Nitrogen or halogen containing
 This subclass is indented under subclass 61.  Compounds which contain nitrogen or halogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 64]    64Arsenic, antimony, or bismuth containing (As, Sb, or Bi)
 This subclass is indented under subclass 1.  Compounds which contain arsenic, antimony or bismuth.
  
[List of Patents for class 556 subclass 65]    65Arsenic double bonded directly to arsenic (e.g., arsenobenzenes, etc.)
 This subclass is indented under subclass 64.  Compounds wherein arsenic is double bonded directly to arsenic.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 66]    66Containing two benzene rings each having nitrogen, chalcogen and one of the arsenics bonded directly thereto (e.g., arsphenamines, etc.)
 This subclass is indented under subclass 65.  Compounds which contain two benzene rings each having nitrogen, chalcogen (i.e., oxygen, sulfur, selenium or tellurium) and one of the arsenics bonded directly thereto.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 67]    67Sulfur double bonded directly to chalcogen (e.g., neoarsphenamines, etc.)
 This subclass is indented under subclass 66.  Compounds which contain sulfur double bonded directly to chalcogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 68]    68Tricyclo ring system having a six-membered ring, which includes heavy metal and nitrogen or chalcogen, as one of the cyclos (e.g., phenoxarsines, phenarsazines, etc.)
 This subclass is indented under subclass 64.  Compounds which contain a tricyclo ring system having a six-membered ring, which includes the heavy metal and nitrogen or chalcogen (i.e., oxygen, sulfur, selenium or tellurium), as one of the cyclos.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 69]    69Sulfur double bonded directly to chalcogen
 This subclass is indented under subclass 64.  Compounds which contain sulfur double bonded directly to chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 70]    70Carbon bonded directly to the metal
 This subclass is indented under subclass 64.  Compounds wherein carbon is bonded directly to the metal.
  
[List of Patents for class 556 subclass 71]    71Chalcogen bonded directly to the metal (e.g., arsine oxides, etc.)
 This subclass is indented under subclass 70.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to the metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 72]    72Plural chalcogens bonded directly to the metal
 This subclass is indented under subclass 71.  Compounds wherein at least two chalcogens are bonded directly to the metal.
  
[List of Patents for class 556 subclass 73]    73Exactly three chalcogens bonded directly to the metal (e.g., arsonic acids, arsonates, etc.)
 This subclass is indented under subclass 72.  Compounds wherein exactly three chalcogens are bonded directly to the metal.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 74]    74Nitrogen and the metal bonded directly to the same benzene ring (e.g., arsanilic acids, etc.)
 This subclass is indented under subclass 73.  Compounds wherein nitrogen and the metal are bonded directly to the same benzene ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 75]    75Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the nitrogen by acyclic nononic bonding
 This subclass is indented under subclass 74.  Compounds in which a -C(=X)- group, where X is chalcogen, is attached directly or indirectly to the nitrogen by acyclic nonionic bonding.
  
[List of Patents for class 556 subclass 76]    76Chalcogen bonded directly to the metal
 This subclass is indented under subclass 64.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 556 subclass 77]    77Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens
 This subclass is indented under subclass 76.  Compounds which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens.
  
[List of Patents for class 556 subclass 78]    78Carbocyclic ring bonded directly to the carbon of the -C(=X)X- group
 This subclass is indented under subclass 77.  Compounds wherein a carbocyclic ring is bonded directly to the carbon of the -C(=X)X- group.
  
[List of Patents for class 556 subclass 79]    79The carbons of plural -C(=X)X- groups are bonded directly to each other, to the same carbon, or to a chain consisting of carbons, which carbons may be part of a ring (e.g., bismuth tartrates, etc.)
 This subclass is indented under subclass 77.  Compounds wherein the carbons of at least two -C(=X)X- groups are bonded directly to each other, to the same carbon, or to a chain consisting of carbons which carbons may be part of a ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 556 subclass 80]    80Carbocyclic ring bonded directly to the chalcogen
 This subclass is indented under subclass 76.  Compounds wherein a carbocyclic ring is bonded directly to the chalcogen.
  
[List of Patents for class 556 subclass 81]    81Germanium, tin, or lead containing (Ge, Sn, or Pb)
 This subclass is indented under subclass 1.  Compounds which contain germanium, tin or lead.
  
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