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 [Search a list of Patent Appplications for class 549]   CLASS 549,ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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SUBCLASSES

[List of Patents for class 549 subclass 1]    1Sulfur containing hetero ring (e.g., thiiranes, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 540, ... which contain a hetero ring having sulfur as a ring hetero atom.
(1) Note. Inner sulfonium salts, even when represented in cyclic form, are classified under Class 568, subclasses 18+.
  
[List of Patents for class 549 subclass 2]    2With preservative or stabilizer
 This subclass is indented under subclass 1.  Compounds which occur in admixture with agents which function to prevent physical or chemical change.
  
[List of Patents for class 549 subclass 3]    3Heavy metal or aluminum containing
 This subclass is indented under subclass 1.  Compounds which include aluminum or a metal with a specific gravity greater than 4.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 4]    4Boron or silicon containing
 This subclass is indented under subclass 1.  Compounds which include boron or silicon.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 5]    5Phosphorus attached directly or indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 1.  Compounds wherein phosphorus is attached directly or indirectly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 6]    6The hetero ring is five-membered
 This subclass is indented under subclass 5.  Compounds wherein the hetero ring is five-membered.
  
[List of Patents for class 549 subclass 7]    7Plural ring hetero atoms in the hetero ring
 This subclass is indented under subclass 6.  Compounds wherein the five-membered hetero ring contains at least one ring hetero atom in addition to the ring sulfur.
  
[List of Patents for class 549 subclass 8]    8Four chalcogens bonded directly to the same phosphorus
 This subclass is indented under subclass 6.  Compounds having exactly four chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) bonded directly to the same phosphorus atom.
  
[List of Patents for class 549 subclass 9]    9The hetero ring has at least seven members
 This subclass is indented under subclass 1.  Compounds wherein the hetero ring has seven or more members.
  
[List of Patents for class 549 subclass 10]    10Plural ring hetero atoms in the hetero ring
 This subclass is indented under subclass 9.  Compounds wherein the hetero ring contains at least one hetero atom in addition to the ring sulfur.
  
[List of Patents for class 549 subclass 11]    11Plural ring sulfurs in the hetero ring
 This subclass is indented under subclass 10.  Compounds wherein the hetero ring contains at least two ring sulfurs.
  
[List of Patents for class 549 subclass 12]    12Polycyclo ring system having at least three cyclos and having the hetero ring as one of the cyclos
 This subclass is indented under subclass 9.  Compounds wherein the hetero ring having at least seven members is a cyclo in a polycyclo ring system containing at least three cyclos.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 13]    13The hetero ring is six-membered
 This subclass is indented under subclass 1.  Compounds wherein the hetero ring is six-membered.
  
[List of Patents for class 549 subclass 14]    14Plural ring hetero atoms in the hetero ring
 This subclass is indented under subclass 13.  Compounds wherein the hetero ring contains at least one ring hetero atom in addition to the ring sulfur.
  
[List of Patents for class 549 subclass 15]    15Polycyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 14.  Compounds wherein the hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 549 subclass 16]    16Tricyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 15.  Compounds wherein the polycyclo ring system consists of exactly three rings.
  
[List of Patents for class 549 subclass 17]    17Plural ring sulfurs in the hetero ring
 This subclass is indented under subclass 16.  Compounds wherein the hetero ring contains at least two ring sulfurs.
  
[List of Patents for class 549 subclass 18]    18Three or more ring hetero atoms in the hetero ring
 This subclass is indented under subclass 14.  Compounds wherein the six-membered hetero ring contains at least two ring hetero atoms in addition to the ring sulfur.
  
[List of Patents for class 549 subclass 19]    19Plural ring sulfurs in the hetero ring
 This subclass is indented under subclass 18.  Compounds wherein the hetero ring contains at least two ring sulfurs.
  
[List of Patents for class 549 subclass 20]    20Two ring sulfurs in the hetero ring
 This subclass is indented under subclass 14.  Compounds wherein the hetero ring contains exactly two ring sulfurs.
  
[List of Patents for class 549 subclass 21]    21Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 22]    22Chalcogen or nitrogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 20.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is attached indirectly to the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 23]    23Polycyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 13.  Compounds wherein the six-membered hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 549 subclass 24]    24The polycyclo ring system has at least four cyclos
 This subclass is indented under subclass 23.  Compounds wherein the polycyclo ring system has at least four cyclos.
  
[List of Patents for class 549 subclass 25]    25Chalcogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 24.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 26]    26Tricyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 23.  Compounds wherein the polycyclo ring system consists of exactly three rings.
  
[List of Patents for class 549 subclass 27]    27Chalcogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 26.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 28]    28Chalcogen or nitrogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 13.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is attached directly to the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 29]    29The hetero ring is five-membered
 This subclass is indented under subclass 1.  Compounds wherein the hetero ring is five-membered.
  
[List of Patents for class 549 subclass 30]    30Plural ring hetero atoms in the hetero ring
 This subclass is indented under subclass 29.  Compounds wherein the hetero ring contains at least one ring hetero atom in addition to the ring sulfur.
  
[List of Patents for class 549 subclass 31]    31Polycyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 30.  Compounds wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 32]    32Bicyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 31.  Compounds wherein the polycyclo ring system consists of exactly two rings.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 33]    33Chalcogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 22.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 34]    34Three or more ring hetero atoms in the hetero ring
 This subclass is indented under subclass 30.  Compounds wherein the hetero ring contains at least two ring hetero atoms in addition to the ring sulfur.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 35]    35Two ring sulfurs in the hetero ring
 This subclass is indented under subclass 30.  Compounds wherein the hetero ring contains exactly two ring sulfurs.
  
[List of Patents for class 549 subclass 36]    36Chalcogen bonded directly to ring carbon of the hetero ring
 This subclass is indented under subclass 35.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the hetero ring.
  
[List of Patents for class 549 subclass 37]    37Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 36.  Compounds wherein nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 38]    38Nitrogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 35.  Compounds wherein nitrogen is attached directly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 39]    39Chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 35.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 40]    40Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
 This subclass is indented under subclass 30.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to ring sulfur of the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 41]    41Polycyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 29.  Compounds wherein the five-membered hetero ring is one of the cyclos of a polycyclo ring system.
  
[List of Patents for class 549 subclass 42]    42Tetracyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 41.  Compounds wherein the polycyclo ring system consists of exactly four rings.
  
[List of Patents for class 549 subclass 43]    43Tricyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 41.  Compounds wherein the polycyclo ring system consists of exactly three rings.
  
[List of Patents for class 549 subclass 44]    44Chalcogen attached directly to the tricyclo ring system by nonionic bonding
 This subclass is indented under subclass 43.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the tricyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 45]    45Chalcogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 46]    46Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
 This subclass is indented under subclass 45.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to ring sulfur of the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 47]    47Halogen attached directly to the tricyclo ring system by nonionic bonding
 This subclass is indented under subclass 45.  Compounds wherein halogen is attached directly to the tricyclo ring system by nonionic bonding.
  
[List of Patents for class 549 subclass 48]    48Nitrogen attached directly or indirectly to the tricyclo ring system by nonionic bonding
 This subclass is indented under subclass 44.  Compounds wherein nitrogen is attached directly or indirectly to the tricyclo ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 49]    49Bicyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 41.  Compounds wherein the polycyclo ring system consists of exactly two rings.
  
[List of Patents for class 549 subclass 50]    50Plural ring hetero atoms in the bicyclo ring system
 This subclass is indented under subclass 49.  Compounds wherein the bicyclo ring system contains at least one ring hetero atom in addition to the ring sulfur of the five-membered hetero ring.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 51]    51Chalcogen attached directly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 49.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the bicyclo ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 52]    52Chalcogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 51.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 53]    53Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
 This subclass is indented under subclass 52.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the ring sulfur of the five-membered hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 54]    54Plural chalcogens bonded directly to the bicyclo ring system
 This subclass is indented under subclass 52.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 55]    55Nitrogen attached directly or indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 52.  Compounds wherein nitrogen is attached directly or indirectly to the bicyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 56]    56Halogen attached directly or indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 52.  Compounds wherein halogen is attached directly or indirectly to the bicyclo ring system by nonionic bonding.
  
[List of Patents for class 549 subclass 57]    57Nitrogen or a -C(=X)- group, wherein X is chalcogen, attached directly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 49.  Compounds wherein X nitrogen or --, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached directly to the bicyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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and

and

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[List of Patents for class 549 subclass 58]    58Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 49.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the bicyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 59]    59Additional hetero ring containing
 This subclass is indented under subclass 29.  Compounds which contain an additional hetero ring.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 60]    60Ring oxygen in the additional hetero ring
 This subclass is indented under subclass 59.  Compounds wherein the additional hetero ring contains oxygen as a ring hetero atom.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 61]    61Cyano bonded directly to the hetero ring
 This subclass is indented under subclass 29.  Compounds wherein the -CN group is bonded directly to ring carbon of the hetero ring.
  
[List of Patents for class 549 subclass 62]    62Chalcogen bonded directly to ring carbon of the hetero ring
 This subclass is indented under subclass 29.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the hetero ring.
  
[List of Patents for class 549 subclass 63]    63Nitrogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 62.  Compounds wherein nitrogen is attached directly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 64]    64Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
 This subclass is indented under subclass 62.  Compounds wherein --, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the hetero ring.
  
[List of Patents for class 549 subclass 65]    65Nitrogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 62.  Compounds wherein nitrogen is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 66]    66Chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 62.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 67]    67Chalcogen attached directly to ring sulfur of the hetero ring by nonionic bonding
 This subclass is indented under subclass 62.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to ring sulfur of the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 68]    68Nitrogen attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 29.  Compounds wherein nitrogen is attached directly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 69]    69Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 68.  Compounds wherein --, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the nitrogen atom.
  
[List of Patents for class 549 subclass 70]    70Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring
 This subclass is indented under subclass 29.  Compounds wherein --, in which X is chalcogen, (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the hetero ring.
  
[List of Patents for class 549 subclass 71]    71The -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 70.  Compounds wherein the -C-is part of a --X- group, in which 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 549 subclass 72]    72Nitrogen or chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 73]    73Halogen attached directly or indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 70.  Compounds wherein halogen is attached directly or indirectly to the hetero ring by nonionic bonding.
  
[List of Patents for class 549 subclass 74]    74Nitrogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 29.  Compounds wherein nitrogen is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 75]    75Chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 74.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 76]    76The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 75.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a -- group.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 77]    77Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing
 This subclass is indented under subclass 76.  Compounds which contain an unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:

and

and

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[List of Patents for class 549 subclass 78]    78Chalcogen attached indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 29.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the hetero ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 549 subclass 79]    79The chalcogen, 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 78.  Compounds in which the chalcogen, X, is part of a --X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 549 subclass 80]    80Unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation containing
 This subclass is indented under subclass 29.  Compounds which contain an unsaturated carbocyclic ring or acyclic carbon to carbon unsaturation.
(1) Note. Examples of compounds provided for herein are:<