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 [Search a list of Patent Appplications for class 548]   CLASS 548,ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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SUBCLASSES

[List of Patents for class 548 subclass 100]    100Hetero ring is five-membered having two or more ring hetero atoms of which at least one is nitrogen (e.g., selenazoles, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 540 which contain a five-membered hetero ring having two or more ring hetero atoms of which at least one is nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 101]    101Heavy metal or aluminum containing
 This subclass is indented under subclass 100.  Compounds which include aluminum or a metal having a specific gravity greater than 4.
(1) Note. Arsenic is considered a metal.

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110,for compounds containing boron or silicon.
  
[List of Patents for class 548 subclass 102]    102Arsenic containing
 This subclass is indented under subclass 101.  Compounds which contain arsenic.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 103]    103The metal is bonded directly to carbon, which carbon is a ring carbon of the five-membered hetero ring or which carbon is attached directly or indirectly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 101.  Compounds wherein the metal is bonded directly (a) to a ring carbon of the five-membered hetero ring or (b) to a carbon atom which additionally is attached directly or indirectly to the five-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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(2) Note. Excluded from this subclass are compounds such as those in Fig. 1 below, which require "doubling back" through the metal to satisfy the conditions necessary for inclusion here.

Figure 1

Figure 1

  
[List of Patents for class 548 subclass 104]    104The metal is bonded directly to chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, which group is attached directly or indirectly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 101.  Compounds wherein the metal is bonded directly to the singly bonded chalcogen of a X group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), which group is attached directly or indirectly to the five-membered hetero ring by nonionic bonding.
(1) Note. These compounds are usually referred to as "salts".
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 105]    105The metal is bonded directly to chalcogen which chalcogen is attached directly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 101.  Compounds wherein the metal is bonded directly to a chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) which is attached directly to a ring carbon of the five-membered hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 106]    106The metal is bonded directly to chalcogen which chalcogen is attached indirectly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 101.  Compounds wherein the metal is bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) which is attached additionally indirectly to the five-membered hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 107]    107The metal is in an anion and the five-membered hetero ring is in a cation
 This subclass is indented under subclass 101.  Compounds wherein the metal is in an anion, i.e., a group having a negative charge, and the five-membered hetero ring is in a cation, i.e., a group having a positive charge.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 108]    108Polycyclo ring system having the five-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 101.  Compounds wherein the five-membered hetero ring is a cyclo in a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 109]    109Azide or acyclic nitrogen containing
 This subclass is indented under subclass 101.  Compounds which contain an acyclic nitrogen atom or the azide group.
(1) Note. The azide group has been considered to be cyclic, as well as acyclic,
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 110]    110Boron or silicon containing
 This subclass is indented under subclass 100.  Compounds which contain boron or silicon.
  
[List of Patents for class 548 subclass 111]    111Phosphorus attached directly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 100.  Compounds wherein phosphorus is attached directly to the five-membered 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 548 subclass 112]    112Phosphorus attached indirectly to the five-membered hetero ring by nonionic bonding
 This subclass is indented under subclass 100.  Compounds wherein phosphorus is attached indirectly to the five-membered 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 548 subclass 113]    113Polycyclo ring system having the five-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 112.  Compounds wherein the five-membered hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. Compounds in which phosphorus is attached directly by nonionic bonding to any ring of the polycyclo ring system other than the five-membered hetero ring are provided for herein as the attachment of the phosphorus to the five-membered hetero ring is considered to be indirect.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 114]    114The polycyclo ring system and phosphorus are both bonded directly to the same chalcogen
 This subclass is indented under subclass 113.  Compounds wherein the polycyclo ring system and phosphorus are both bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) atom.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 115]    115The five-membered hetero ring and phosphorus are both bonded directly to the same nitrogen
 This subclass is indented under subclass 112.  Compounds in which the five-membered hetero ring and phosphorus are both bonded directly to the same nitrogen atom.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 116]    116The five-membered hetero ring and phosphorus are both bonded directly to the same chalcogen
 This subclass is indented under subclass 112.  Compounds in which the five-membered hetero ring and phosphorus are both bonded directly to the same chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) atom.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 117]    117The five-membered hetero ring contains chalcogen as a ring hetero atom
 This subclass is indented under subclass 116.  Compounds wherein the five-membered hetero ring contains chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) 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 548 subclass 118]    118The five-membered hetero ring contains at least three ring nitrogens
 This subclass is indented under subclass 116.  Compounds wherein the five-membered hetero ring contains three or more ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 119]    119The phosphorus is part of a substituent which is attached directly to ring carbon of the five-membered hetero ring
 This subclass is indented under subclass 112.  Compounds wherein the phosphorus is contained in a substituent which is attached directly to ring carbon of the five-membered hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 120]    120The five-membered hetero ring contains ring selenium and is one of the cyclos in a polycyclo ring system
 This subclass is indented under subclass 100.  Compounds wherein the five-membered hetero ring contains ring selenium as an additional hetero atom and is one of the cylcos in a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 121]    121Bicyclo ring system having the five-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 120.  Compounds in which the polycyclo ring system consists of exactly two rings, one of which is the five-membered hetero ring containing nitrogen and selenium as hetero atoms.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 122]    122The five-membered hetero ring consists of sulfur, oxygen, nitrogen, and carbon
 This subclass is indented under subclass 100.  Compounds wherein the five-membered hetero ring includes at least one atom each of sulfur, oxygen, nitrogen, and carbon and contains no other elements as ring members.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 123]    123Plural ring sulfurs in the five-membered hetero ring
 This subclass is indented under subclass 100.  Compounds wherein the five-membered hetero ring contains at least two ring sulfurs in addition to the ring nitrogen and ring carbon.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 124]    124Plural ring oxygens in the five-membered hetero ring
 This subclass is indented under subclass 100.  Compounds wherein the five-membered hetero ring contains at least two ring oxygens in addition to the ring nitrogen and ring carbon.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 125]    125The five-membered hetero ring consists of chalcogen, plural nitrogens, and carbon
 This subclass is indented under subclass 100.  Compounds wherein the five-membered hetero ring includes at least one atom each of chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and carbon and at least two ring nitrogens, and contains no other elements as ring members.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 126]    126Polycyclo ring system having the five-membered hetero ring as one of the cyclos
 This subclass is indented under subclass 125.  Compounds wherein the five-membered hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 127]    1271,2,3-thiadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 2- and 3-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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

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[List of Patents for class 548 subclass 128]    1281,2,4-thiadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 2- and 4-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members.

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[List of Patents for class 548 subclass 129]    129Chalcogen bonded directly to ring carbon of the thiadiazole ring
 This subclass is indented under subclass 128.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the ring carbon of the thiadiazole ring.
  
[List of Patents for class 548 subclass 130]    130Nitrogen or additional chalcogen bonded directly to ring carbon of the thiadiazole ring
 This subclass is indented under subclass 129.  Compounds which contain nitrogen or additional chalcogen bonded directly to ring carbon of the thiadiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 131]    1311,2,4-oxadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has oxygen in the 1-position, nitrogens in the 2- and 4-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members.

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[List of Patents for class 548 subclass 132]    132Chalcogen bonded directly to ring carbon of the oxadiazole ring
 This subclass is indented under subclass 131.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the oxadiazole ring.
  
[List of Patents for class 548 subclass 133]    133Nitrogen attached directly to the oxadiazole ring by nonionic bonding
 This subclass is indented under subclass 131.  Compounds wherein nitrogen is attached directly to the oxadiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 134]    1341,2,5-thiadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 2- and 5-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 135]    135Chalcogen or nitrogen attached directly to ring carbon of the thiadiazole ring by nonionic bonding
 This subclass is indented under subclass 134.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is attached directly to ring carbon of the thiadiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 136]    1361,3,4-thiadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogens in the 3- and 4-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 137]    137Diazole ring attached directly to the thiadiazole ring by nonionic bonding
 This subclass is indented under subclass 136.  Compounds wherein a five-membered hetero ring consisting of two nitrogens and three carbons is attached directly to the thiadiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 138]    138Nitrogen attached directly to the thiadiazole ring by nonionic bonding
 This subclass is indented under subclass 136.  Compounds wherein nitrogen is attached directly to the thiadiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 139]    139Having -C(=X)-, wherein X is chalcogen, attached directly to the nitrogen by nonionic bonding
 This subclass is indented under subclass 138.  Compounds in which a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached directly to the nitrogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 140]    140Additional nitrogen attached directly to the -C(=X)- group by nonionic bonding
 This subclass is indented under subclass 139.  Compounds in which an additional nitrogen is attached directly to the group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 141]    141Chalcogen or additional nitrogen attached directly to ring carbon of the thiadiazole ring by nonionic bonding
 This subclass is indented under subclass 138.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or additional nitrogen is attached directly to ring carbon of the thiadiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 142]    142Chalcogen bonded directly to the 2- and 5- positions of the thiadiazole ring
 This subclass is indented under subclass 136.  Compounds wherein chalcogen (i.e., oxygen, sulfur selenium, or tellurium) is bonded directly to each of the ring carbons of the thiadiazole ring, i.e., the 2- and 5-positions.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 143]    1431,3,4-oxadiazoles (including hydrogenated)
 This subclass is indented under subclass 125.  Compounds in which the five-membered hetero ring has oxygen in the 1-position, nitrogens in the 3- and 4-positions, and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 144]    144Chalcogen bonded directly to ring carbon of the oxadiazole ring
 This subclass is indented under subclass 143.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the oxadiazole ring.
  
[List of Patents for class 548 subclass 145]    145Plural carbocyclic rings bonded directly to the oxadiazole ring
 This subclass is indented under subclass 143.  Compounds wherein at least two carbocyclic rings are bonded directly to the oxadiazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 146]    1461,3-thiazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogen in the 3-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have a double bond between its members:

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[List of Patents for class 548 subclass 147]    147Spiro
 This subclass is indented under subclass 146.  Compounds which contain a spiro ring system.
(1) Note. This subclass provides for compounds containing a 1,3-thiazole ring and a spiro ring system whether or not the thiazole ring is one of the cyclos in the spiro system.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 148]    148Polycyclo ring system having the thiazole ring as one of the cyclos
 This subclass is indented under subclass 146.  Compounds wherein the thiazole ring is a cyclo in a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 149]    149Tetracyclo ring system having the thiazole ring as one of the cyclos
 This subclass is indented under subclass 148.  Compounds in which the polycyclo ring system consists of exactly four rings.
  
[List of Patents for class 548 subclass 150]    150Tricyclo ring system having the thiazole ring as one of the cyclos
 This subclass is indented under subclass 148.  Compounds in which the polycylco ring system consists of exactly three rings.
  
[List of Patents for class 548 subclass 151]    151At least three ring hetero atoms in the tricyclo ring system
 This subclass is indented under subclass 150.  Compounds wherein the tricyclo ring system contains at least one ring hetero atom in addition to the ring sulfur and ring nitrogen of the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 152]    152Bicyclo ring system having the thiazole ring as one of the cyclos
 This subclass is indented under subclass 148.  Compounds in which the polycyclo ring system consists of exactly two rings.
  
[List of Patents for class 548 subclass 153]    153At least three ring hetero atoms in the bicyclo ring system
 This subclass is indented under subclass 152.  Compounds wherein the bicyclo ring system contains at least one ring hetero atom in addition to the ring sulfur and ring nitrogen of the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 154]    154Ring nitrogen is shared by the two cyclos
 This subclass is indented under subclass 153.  Compounds wherein the ring nitrogen is a member of both of the cyclos in the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 155]    155Tetramisole per se or salt thereof (including hydrogenated)
 This subclass is indented under subclass 154.  Compounds which have the following structure, or salts thereof, in which the bonds between the ring members may be single or double bonds:

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[List of Patents for class 548 subclass 156]    156Plural benzothiazoles (including hydrogenated)
 This subclass is indented under subclass 152.  Compounds containing at least two of the bicyclo ring systems having the following structure, which may contain double bonds between ring members:

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[List of Patents for class 548 subclass 157]    157Chalcogen bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 156.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 158]    158Plural benzothiazole ring systems bonded directly to chain consisting of plural sulfurs
 This subclass is indented under subclass 157.  Compounds which contain a polysulfide linkage between at least two benzothiazole ring systems.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 159]    159Additional polycyclo heterocyclic ring system containing
 This subclass is indented under subclass 152.  Compounds containing an additional hetero ring which is one of the cyclos in a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 160]    160Polycyclo-carbocyclic ring system having at least three cyclos
 This subclass is indented under subclass 152.  Compounds which contain a polycyclo-carbocyclic ring system having at least three cyclos.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 161]    161Nitrogen attached directly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 152.  Compounds wherein the nitrogen is attached directly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 162]    162The nitrogen is a ring hetero atom
 This subclass is indented under subclass 161.  Compounds wherein the nitrogen is a ring member of a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 163]    163Carbonyl or thiocarbonyl bonded directly to the nitrogen
 This subclass is indented under subclass 161.  Compounds wherein the nitrogen is bonded additionally directly to a group, in which X is 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 548 subclass 164]    164The nitrogen bonded additionally only to hydrogen
 This subclass is indented under subclass 161.  Compounds wherein the nitrogen is bonded additionally only to hydrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 165]    165Chalcogen bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 152.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the thiazole ring.
(1) Note. An example of a compound provided for herein are:

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[List of Patents for class 548 subclass 166]    166Chalcogen bonded directly to the chalcogen
 This subclass is indented under subclass 165.  Compounds wherein an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the chalcogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 167]    167Nitrogen attached directly to the chalcogen by nonionic bonding
 This subclass is indented under subclass 165.  Compounds wherein nitrogen is attached directly to the chalcogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 168]    168The nitrogen is bonded additionally directly to two carbons
 This subclass is indented under subclass 167.  Compounds wherein the nitrogen is bonded additionally directly to two carbons.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 169]    169Chalcogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 165.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 170]    170The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 169.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 171]    171Nitrogen bonded directly to the -C(=X)- group
 This subclass is indented under subclass 170.  Compounds in which nitrogen is bonded directly to the group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 172]    172Nitrogen attached directly to chalcogen by nonionic bonding
 This subclass is indented under subclass 169.  Compounds in which nitrogen is attached directly to chalcogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 173]    173Halogen attached directly or indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 165.  Compounds wherein halogen is attached directly or indirectly to the bicyclo ring system by nonionic bonding.
  
[List of Patents for class 548 subclass 174]    174Sulfur double bonded or thiol bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 165.  Compounds in which sulfur attached directly to a ring carbon of the thiazole ring is either (a) attached by a double bond or (b) in a -SH or -SM group, wherein M is a Group IA or Group IIA light metal, i.e., a metal having a specific gravity less than 4.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 175]    175Process of forming the bicyclo ring system
 This subclass is indented under subclass 174.  Processes in which the bicyclo ring system is formed.
(1) Note. Included herein are processes of forming the bicyclo ring system by any means e.g., ring enclosure, ring expansion, etc.
  
[List of Patents for class 548 subclass 176]    176Aniline or alkyl derivative thereof utilized as starting material
 This subclass is indented under subclass 175.  Processes which utilize aniline or an alkylated derivative thereof as a starting material.
  
[List of Patents for class 548 subclass 177]    177Purification or recovery
 This subclass is indented under subclass 174.  Processes wherein the sulfur derivative of the bicyclo ring system is separated from impurities or from the reaction mixture.
  
[List of Patents for class 548 subclass 178]    178Chalcogen or nitrogen attached directly to the other cyclo of the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 152.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is attached directly to the other cyclo of the bicyclo ring system by nonionic bonding, i.e., the cyclo other than the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 179]    179Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 152.  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:

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[List of Patents for class 548 subclass 180]    180The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 179.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
  
[List of Patents for class 548 subclass 181]    181Polycyclo heterocyclic ring system containing ring nitrogen
 This subclass is indented under subclass 146.  Compounds containing a polycyclo heterocyclic ring system which has nitrogen 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 548 subclass 182]    182Chalcogen bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 146.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the thiazole ring.
(1) Note. Examples of compounds provided herein are:

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[List of Patents for class 548 subclass 183]    183Plural chalcogens bonded directly to ring carbons of the thiazole ring
 This subclass is indented under subclass 182.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the thiazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 184]    184Nitrogen attached directly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 182.  Compounds wherein nitrogen is attached directly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 185]    185Having -C(=X)-, wherein X is chalcogen, bonded directly to nitrogen
 This subclass is indented under subclass 184.  Compounds in which nitrogen is bonded directly to a group, wherein X is 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 548 subclass 186]    186Chalcogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 182.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 187]    187The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 186.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
  
[List of Patents for class 548 subclass 188]    188The -C(=X)- group is bonded directly to the thiazole ring
 This subclass is indented under subclass 187.  Compounds in which the group is bonded directly to the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 189]    189Nitrogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 182.  Compounds wherein nitrogen is attached indirectly to the thiazole ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 190]    190Nitrogen attached directly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 146.  Compounds in which nitrogen is attached directly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 191]    191Plural nitrogens attached directly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 190.  Compounds wherein at least two nitrogens are attached directly to the thiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 192]    192Nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen
 This subclass is indented under subclass 191.  Compounds in which X nitrogen is bonded directly to a -C- group, wherein X is 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 548 subclass 193]    193Chalcogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 190.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 194]    194The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 193.  Compounds in which the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 195]    195The -C(=X)- group is bonded directly to the nitrogen
 This subclass is indented under subclass 194.  Compounds in which the nitrogen is bonded directly to the group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 196]    196Chalcogen or additional nitrogen bonded directly to the -C(=X)- group
 This subclass is indented under subclass 195.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or an additional nitrogen is bonded directly to the group.
  
[List of Patents for class 548 subclass 197]    197Nitrogen bonded directly to chalcogen
 This subclass is indented under subclass 193.  Compounds wherein nitrogen is 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 548 subclass 198]    198Nitrogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 190.  Compounds wherein nitrogen is attached indirectly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 199]    199The nitrogen is bonded additionally only to hydrogen
 This subclass is indented under subclass 190.  Compounds wherein the nitrogen is bonded additionally to hydrogen.
  
[List of Patents for class 548 subclass 200]    200Having -C(=X)-, wherein X is chalcogen, bonded directly to the thiazole ring
 This subclass is indented under subclass 146.  Compounds wherein a group, in which X is chalcogen, (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the thiazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 201]    201The -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 200.  Compounds in which the is part of a X group, wherein the X"s are the same or diverse 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 548 subclass 202]    202Plural double bonds between ring members of thiazole ring
 This subclass is indented under subclass 146.  Compounds in which there are two double bonds between the ring members of the thiazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 203]    203Chalcogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 202.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.
  
[List of Patents for class 548 subclass 204]    204The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 203.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
  
[List of Patents for class 548 subclass 205]    205Nitrogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 203.  Compounds in which nitrogen is attached indirectly to the thiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 206]    2061,2-thiazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has sulfur in the 1-position, nitrogen in the 2-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 207]    207Polycyclo ring system having the thiazole ring as one of the cyclos
 This subclass is indented under subclass 206.  Compounds wherein the thiazole ring is a cyclo in a polycyclo ring system.
(1) Note. A thiazole ring in a polycyclo ring system is numbered as if it were a single ring and not part of a ring system; accordingly, the thiazole ring in each of the following poly-cyclo ring systems is considered to be 1, 2-thiazole:

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

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[List of Patents for class 548 subclass 208]    208Ring carbon is shared by three of the cyclos of the polycyclo ring system
 This subclass is indented under subclass 207.  Compounds wherein one ring carbon is a member of three of the cyclos in the polycyclo ring system (i.e., peri-fusion).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 209]    209Acyclic chalcogen bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 207.  Compounds wherein acyclic chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to a ring carbon of the thiazole ring.
  
[List of Patents for class 548 subclass 210]    210At least three chalcogens bonded directly to the thiazole ring
 This subclass is indented under subclass 209.  Compounds in which at least three chalcogens (i.e, oxygen, sulfur, selenium, or tellurium) are bonded directly to the thiazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 211]    211Saccharin per se or salt thereof
 This subclass is indented under subclass 210.  Compounds which have the following structure, or salts thereof:

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[List of Patents for class 548 subclass 212]    212Nitrogen attached directly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 207.  Compounds wherein nitrogen is attached directly to the thiazole ring of the polycyclo ring system by nonionic bonding.
  
[List of Patents for class 548 subclass 213]    213Chalcogen bonded directly to ring carbon of the thiazole ring
 This subclass is indented under subclass 206.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the thiazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 214]    214Nitrogen or chalcogen attached indirectly to the thiazole ring by nonionic bonding
 This subclass is indented under subclass 206.  Compounds wherein nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the thiazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 215]    2151,3-oxazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has oxygen in the 1-position, nitrogen in the 3-position, and carbons in the remaining three positions.
(1) Note. This subclass provides for compounds containing the following ring:

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[List of Patents for class 548 subclass 216]    216Spiro
 This subclass is indented under subclass 215.  Compounds which contain a spiro ring system.
(1) Note. This subclass provides for compounds containing a 1, 3-oxazole ring and a spiro ring system whether or not the oxazole ring is one of the cyclos in the spiro system.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 217]    217Polycyclo ring system having the oxazole ring as one of the cyclos
 This subclass is indented under subclass 215.  Compounds wherein the oxazole ring is cyclo in a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 218]    218At least three ring hetero atoms in the polycyclo ring system
 This subclass is indented under subclass 217.  Compounds wherein the polycyclo ring system contains at least one ring hetero atom in addition to the ring oxygen and ring nitrogen of the oxazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 219]    219Plural polycyclo ring systems having the oxazole ring as one of the cyclos in each of the ring systems
 This subclass is indented under subclass 217.  Compounds which contain at least two of the oxazole-containing polycyclo ring systems.
(1) Note. An example of a compound provided for herein is:
  
[List of Patents for class 548 subclass 220]    220Plural oxazole-containing polycyclo ring systems each bonded directly to the same polycyclo ring system or the same hetero ring
 This subclass is indented under subclass 219.  Compounds wherein the plural oxazole-containing polycyclo ring systems are each bonded directly either (a) to the same polycyclo ring system or (b) to the same hetero ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 221]    221Chalcogen bonded directly at the 2-position of the oxazole ring
 This subclass is indented under subclass 217.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the carbon in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 222]    222Nitrogen bonded directly at the 2-position of the oxazole ring
 This subclass is indented under subclass 217.  Compounds wherein nitrogen is bonded directly to the carbon in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 223]    223At least four rings in the polycyclo ring system
 This subclass is indented under subclass 217.  Compounds wherein the polycyclo ring system contains at least four rings.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 224]    224Carbocyclic ring bonded directly at the 2-position of the oxazole ring
 This subclass is indented under subclass 217.  Compounds wherein a carbocyclic ring is bonded directly to the carbon atom in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 225]    225Chalcogen bonded directly to ring carbon of the oxazole ring
 This subclass is indented under subclass 215.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the oxazole ring.
  
[List of Patents for class 548 subclass 226]    226Plural chalcogens bonded directly to ring carbons of the oxazole ring
 This subclass is indented under subclass 225.  Compounds wherein at least two chalcogens (i.e, oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the oxazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 227]    227Chalcogens bonded directly at 2- and 5-positions of the oxazole ring
 This subclass is indented under subclass 226.  Compounds wherein chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to the carbons in the 2- and 5-positions of the oxazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 228]    228Chalcogen bonded directly at 5-position of the oxazole ring
 This subclass is indented under subclass 225.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the carbon atom in the 5-position of the oxazole ring.
  
[List of Patents for class 548 subclass 229]    229Chalcogen bonded directly at 2-position of the oxazole ring
 This subclass is indented under subclass 225.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to the carbon atom in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen.
  
[List of Patents for class 548 subclass 230]    230Nitrogen, halogen, or -C(=X)-, wherein X is chalcogen, attached directly to the oxazole ring by nonionic bonding
 This subclass is indented under subclass 229.  Compounds wherein nitrogen, halogen, or, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached directly to the oxazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 231]    2313-position substituent contains ethylenic or acetylenic unsaturation or nitrogen
 This subclass is indented under subclass 229.  Compounds wherein the substituent on the ring nitrogen contains nitrogen or ethylenic or acetylenic unsaturation, i.e., double or triple bond between two adjacent carbons.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 232]    2324- or 5-position substituent contains chalcogen
 This subclass is indented under subclass 229.  Compounds wherein the substituent on the 4- or 5-position of the oxazole ring contains 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 548 subclass 233]    233Nitrogen bonded directly to ring carbon of the oxazole ring
 This subclass is indented under subclass 215.  Compounds wherein nitro- is bonded directly to ring carbon of the oxazole ring.
  
[List of Patents for class 548 subclass 234]    234Additional ring attached directly to the nitrogen by nonionic bonding
 This subclass is indented under subclass 233.  Compounds in which an additional ring is attached directly to the nitrogen by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 235]    235Plural double bonds between the ring members of the oxazole ring
 This subclass is indented under subclass 215.  Compounds in which there are two double bonds between the ring members of the oxazole ring.
  
[List of Patents for class 548 subclass 236]    236Cyano or -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the oxazole ring by nonionic bonding
 This subclass is indented under subclass 235.  Compounds wherein -CN or, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached directly or indirectly to the oxazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 237]    237One double bond between the ring members of the oxazole ring
 This subclass is indented under subclass 215.  Compounds in which there is only one double bond between ring members of the oxazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 238]    2382-position substituent contains nitrogen, other than as nitro or nitroso
 This subclass is indented under subclass 237.  Compounds wherein the substituent attached to the ring carbon in the 2-position, i.e., the ring carbon between the ring oxygen and the ring nitrogen, contains nitrogen, except as a member of the nitro (-NO2) or nitroso (-NO) group.
  
[List of Patents for class 548 subclass 239]    2392-position is unsubstituted or hydrocarbyl substituted only
 This subclass is indented under subclass 237.  Compounds wherein attached to the ring carbon in the 2-position of the oxazole ring, i.e., the ring carbon between the ring oxygen and the ring nitrogen, is either hydrogen or a hydrocarbon radical only.
(1) Note. Examples of compounds provided herein are:

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[List of Patents for class 548 subclass 240]    2401,2-oxazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has oxygen in the 1 position, nitrogen in the 2-position, and carbons in the remaining three positions.
(1) Note. This subclass provided for compounds containing the following ring which may have a double bond between its members:

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[List of Patents for class 548 subclass 241]    241Polycyclo ring system having the oxazole ring as one of the cyclos
 This subclass is indented under subclass 240.  Compounds wherein the oxazole ring is a cyclo in a polycyclo ring system.
(1) Note. Examples of compounds provided herein are:

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[List of Patents for class 548 subclass 242]    242At least three ring hetero atoms in the polycyclo ring system
 This subclass is indented under subclass 241.  Compounds wherein the polycyclo ring system contains at least one ring hetero atom in addition to the ring oxygen and ring nitrogen of the oxazole ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 243]    243Chalcogen bonded directly to ring carbon of the oxazole ring
 This subclass is indented under subclass 240.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the oxazole ring.
  
[List of Patents for class 548 subclass 244]    244Nitrogen bonded directly to ring carbon of the oxazole ring
 This subclass is indented under subclass 243.  Compounds in which nitrogen is bonded directly to ring carbon of the oxazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 245]    245Nitrogen bonded directly to ring carbon of the oxazole ring
 This subclass is indented under subclass 240.  Compounds in which nitrogen is bonded directly to ring carbon of the oxazole ring.
  
[List of Patents for class 548 subclass 246]    246Nitrogen bonded directly to the 3-position of the oxazole ring
 This subclass is indented under subclass 245.  Compounds wherein nitrogen is bonded directly to the carbon atom in the 3-position of the oxazole ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 247]    247Plural double bonds between ring members of the oxazole ring
 This subclass is indented under subclass 240.  Compounds in which there are two double bonds between the ring members of the oxazole ring.
  
[List of Patents for class 548 subclass 248]    248Having -C(=X)-, wherein X is chalcogen, bonded directly to ring carbon of the oxazole ring by nonionic bonding
 This subclass is indented under subclass 247.  Compounds wherein a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to a ring carbon of the oxazole ring and additionally directly to a chalcogen or nitrogen atom.
(1) Note.Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 249]    2494-position substituent contains plural chalcogens, attached indirectly to the oxazole ring by nonionic bonding, none of which is bonded directly to phenyl
 This subclass is indented under subclass 247.  Compounds wherein the substituent attached to the 4-position of the oxazole ring contains at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), each of which is attached indirectly to the oxazole ring by nonionic bonding and not one of which is bonded directly to a phenyl ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 250]    250Tetrazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring consists of four ring nitrogens and one ring carbon.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 251]    251Chalcogen or nitrogen attached directly to the tetrazole ring by nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen is attached directly to the tetrazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 252]    252Chalcogen attached indirectly to the tetrazole ring by nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the tetrazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 253]    253The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 252.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium) is in a group.
  
[List of Patents for class 548 subclass 254]    254Nitrogen attached indirectly to the tetrazole ring by nonionic bonding
 This subclass is indented under subclass 250.  Compounds wherein nitrogen is attached indirectly to the tetrazole ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 255]    2551,2,3-triazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has nitrogens in the 1-, 2-, and 3-positions and carbons in the remaining two positions.
(1) Note. This subclass provided for compounds containing the following ring which may have double bonds between its members.

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[List of Patents for class 548 subclass 256]    256Polycyclo heterocyclic ring system containing ring oxygen
 This subclass is indented under subclass 255.  Compounds containing a polycyclo heterocyclic ring system which has oxygen as a ring hetero atom.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 257]    257Polycyclo ring system having the triazole ring as one of the cyclos
 This subclass is indented under subclass 255.  Compounds wherein the triazole ring is a cyclo in a polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 258]    258Ring nitrogen is shared by two of the cyclos
 This subclass is indented under subclass 257.  Compounds wherein a ring nitrogen is a member of two of the cyclos of the polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 548 subclass 259]    259Chalcogen attached directly to the polycyclo ring system by nonionic bonding
 This subclass is indented under subclass 257.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to the polycyclo ring system by nonionic bonding.
  
[List of Patents for class 548 subclass 260]    260Chalcogen attached indirectly to the polycyclo ring system by nonionic bonding
 This subclass is indented under subclass 257.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the polycyclo ring system by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 548 subclass 261]    261The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 260.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
  
[List of Patents for class 548 subclass 262.2]    262.21,2,4-triazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds in which the five-membered hetero ring has nitrogens in the 1-, 2-, and 4- positions and carbons in the remaining two positions.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

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[List of Patents for class 548 subclass 262.4]    262.4Polycyclo ring system having the triazole ring as one of the cyclos
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is a cyclo in a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 262.4

  
[List of Patents for class 548 subclass 262.6]    262.6Having -NH-C(=X)-NHH attached directly to the triazole ring by nonionic bonding (wherein X is chalcogen or =NH, and substitution may be made for hydrogen only)
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is bonded directly to a -NH-(C=X)-NHH group, wherein X is =NH or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) and substitution may be made for hydrogen only.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 262.6

  
[List of Patents for class 548 subclass 262.8]    262.8Plural nitrogens attached to the triazole ring indirectly by acyclic nonionic bonding, two of which are bonded directly to the same acyclic carbon
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is attached indirectly by acyclic nonionic bonding to plural nitrogens, two of which are bonded directly to the same acyclic carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 262.8

  
[List of Patents for class 548 subclass 263.2]    263.2Chalcogen bonded directly to ring carbon of the triazole ring
 This subclass is indented under subclass 262.2.  Compounds wherein ring carbon of the triazole ring is bonded directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
  
[List of Patents for class 548 subclass 263.4]    263.4Plural chalcogen bonded directly to ring carbons of the triazole ring
 This subclass is indented under subclass 263.2.  Compounds wherein at least two chalcogens are bonded directly to ring carbons of the triazole ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 263.4

  
[List of Patents for class 548 subclass 263.6]    263.6The 1- and 2- positions of the triazole ring are unsubstituted, or are alkyl or cycloalkyl substituted only
 This subclass is indented under subclass 263.4.  Compounds wherein the ring nitrogens in the 1- and 2- positions of the triazole ring are unsubstituted, or may be substituted by alkyl or cycloalkyl only.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 263.6

  
[List of Patents for class 548 subclass 263.8]    263.8Halogen or nitrogen attached directly to the triazole ring by nonionic bonding
 This subclass is indented under subclass 263.2.  Compounds wherein the triazole ring is attached directly to nitrogen or to halogen by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 263.8

  
[List of Patents for class 548 subclass 264.2]    264.2Carbon bonded directly to the chalcogen
 This subclass is indented under subclass 263.2.  Compounds wherein the chalcogen is bonded directly to an additional carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 264.2

  
[List of Patents for class 548 subclass 264.4]    264.4Nitrogen or additional chalcogen attached indirectly to the chalcogen by acyclic nonionic bonding
 This subclass is indented under subclass 264.2.  Compounds wherein the chalcogen is attached indirectly to nitrogen or additional chalcogen by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 548 subclass 264.4

  
[List of Patents for class 548 subclass 264.6]    264.6Benzene ring bonded directly to the 4-position of the triazole ring
 This subclass is indented under subclass 263.2.  Compounds wherein the 4-position nitrogen of the triazole ring is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 264.6

  
[List of Patents for class 548 subclass 264.8]    264.8Nitrogen attached directly to the triazole ring by nonionic bonding
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is attached directly to nitrogen by nonionic bonding.
  
[List of Patents for class 548 subclass 265.2]    265.2Plural nitrogens attached directly to the triazole ring by nonionic bonding
 This subclass is indented under subclass 264.8.  Compounds wherein at least two nitrogens are attached directly to the triazole ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 265.2

  
[List of Patents for class 548 subclass 265.4]    265.4Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 264.8.  Compounds wherein the nitrogen is bonded directly to a -C(=X) group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).0z
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 265.4

  
[List of Patents for class 548 subclass 265.6]    265.6The nitrogen is further bonded to hydrogen only
 This subclass is indented under subclass 264.8.  Compounds wherein the nitrogen is bonded additionally only to hydrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 265.6

  
[List of Patents for class 548 subclass 265.8]    265.8Benzene ring bonded directly to ring nitrogen of the triazole ring, and directly to the acyclic carbon of a benzoyl or benzyl group
 This subclass is indented under subclass 262.2.  Compounds wherein ring nitrogen of the triazole ring is bonded directly to a benzene ring, which benzene ring is further bonded directly to the acyclic carbon of a substituted or unsubstituted benzoyl or benzyl group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 265.8

  
[List of Patents for class 548 subclass 266.2]    266.2Additional unsaturated hetero ring attached directly or indirectly to the triazole ring by nonionic bonding
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is attached directly or indirectly to an additional unsaturated hetero ring by nonionic bonding.
(1) Note. The additional unsaturated hetero ring may itself be a 1,2,4- triazole ring.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 266.2

  
[List of Patents for class 548 subclass 266.4]    266.4The additional unsaturated hetero ring is one of the cyclos of a polycyclo ring system (except alkylenedioxyphenyl)
 This subclass is indented under subclass 266.2.  Compounds wherein a polycyclo ring system has the additional unsaturated hetero ring as one of its cyclos, except alkylenedioxyphenyl.
(1) Note. Compounds wherein the sole additional hetero ring present is alkylenedioxyphenyl are excluded from subclasses 266.2 and 266.4.
(2) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 266.4

  
[List of Patents for class 548 subclass 266.6]    266.6The additional unsaturated hetero ring and the triazole ring are attached to the same acyclic atom or to the same acyclic chain
 This subclass is indented under subclass 266.2.  Compounds wherein the triazole ring and the additional unsaturated hetero ring are attached to the same acyclic atom or to the same acyclic chain.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 548 subclass 266.6

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[List of Patents for class 548 subclass 266.8]    266.8Cyano or -C(=X)-, wherein X is chalcogen, bonded directly to the triazole ring
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is bonded directly to cyano or 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 548 subclass 266.8

  
[List of Patents for class 548 subclass 267.2]    267.2Nitrogen attached indirectly to the triazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is attached indirectly to nitrogen by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 267.2

  
[List of Patents for class 548 subclass 267.4]    267.4The nitrogen is double or triple bonded to carbon
 This subclass is indented under subclass 267.2.  Compounds wherein carbon is double or triple bonded to the nitrogen.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 548 subclass 267.4

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[List of Patents for class 548 subclass 267.6]    267.6Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 267.2.  Compounds wherein the nitrogen is bonded directly 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 548 subclass 267.6

  
[List of Patents for class 548 subclass 267.8]    267.8Chalcogen attached indirectly to the triaole ring by acyclic nonionic bonding
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring 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 548 subclass 267.8

  
[List of Patents for class 548 subclass 268.2]    268.2The triazole ring and the chalcogen are bonded directly to the same acyclic carbon
 This subclass is indented under subclass 267.8.  Compounds wherein the chalcogen and the triazole ring are bonded directly to the same acyclic carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 268.2

  
[List of Patents for class 548 subclass 268.4]    268.4Acyclic carbon bonded directly to triazole ring nitrogen is multiple bonded to an additional carbon
 This subclass is indented under subclass 267.8.  Compounds wherein the triazole ring is bonded directly to an acyclic carbon which is multiple bonded to an additional carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 268.4

  
[List of Patents for class 548 subclass 268.6]    268.6Plural chalcogens attached indirectly to the triazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 267.8.  Compounds wherein the triazole ring is attached indirectly to plural chalcogens by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 548 subclass 268.6

  
[List of Patents for class 548 subclass 268.8]    268.8The triazole ring and a hetero ring whose ring members are carbon and chalcogen are bonded directly to the same acyclic carbon
 This subclass is indented under subclass 262.2.  Compounds wherein the same acyclic carbon is bonded directly to the triazole ring and to a hetero ring whose ring members are carbon and chalcogen (i.e., oxygen, sulfur, selenium, and tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 268.8

  
[List of Patents for class 548 subclass 269.2]    269.2Processes for forming the triazole ring
 This subclass is indented under subclass 262.2.  Process which involve the synthesis of the 1,2,4-triazole ring.
  
[List of Patents for class 548 subclass 269.4]    269.4Benzene ring bonded directly to the triazole ring
 This subclass is indented under subclass 262.2.  Compounds wherein the triazole ring is bonded directly to a benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 548 subclass 269.4

  
[List of Patents for class 548 subclass 300.1]    300.11,3-diazoles (including hydrogenated)
 This subclass is indented under subclass 100.  Compounds wherein nitrogen atoms occupy the 1 and 3 positions and carbon atoms occupy the remaining three positions of the five-membered hetero ring.
(1) Note. This subclass provides for compounds containing the following ring which may have double bonds between its members:

Image 1 for class 548 subclass 300.1

(2) Note. This subclass contains, for example:

Image 2 for class 548 subclass 300.1

Image 3 for class 548 subclass 300.1

  
[List of Patents for class 548 subclass 300.4]    300.4Polycyclo ring system containing anthracene configured ring system having at least one double bond between ring members and having oxygen single bonded or any atom double bonded directly at the 9- or 10- positions (e.g., anthrone, anthraquinone, etc.)
 This subclass is indented under subclass 300.1.  Compounds having a polycyclo ring system which is or contains the anthracene ring configuration with at least one double bond between ring members and having oxygen single bonded or any atom double bonded directly to the ring system at the 9- and 10- positions (e.g., anthraquinones, etc.) or at the 9- or 10- positions (e.g., anthrones, etc.).
(1) Note. The anthracene configured ring system is numbered as follows:

Image 1 for class 548 subclass 300.4

(2) Note. This subclass contains, for example:

Image 2 for class 548 subclass 300.4

  
[List of Patents for class 548 subclass 300.7]    300.7Spiro
 This subclass is indented under subclass 300.1.  Compounds which contain a spiro ring system.
(1) Note. This subclass provides for compounds containing a 1,3-diazole ring and a spiro ring system whether or not the diazole ring is one of the cyclos in the spiro system.
(2) Note. This subclass contains, for example:

Image 1 for class 548 subclass 300.7

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[List of Patents for class 548 subclass 301.1]    301.1One of the two rings which form the spiro is part of a polycyclo ring system
 This subclass is indented under subclass 300.7.  Compounds wherein one of the two rings that form the spiro is a cyclo in a polycyclo ring system.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 301.1

  
[List of Patents for class 548 subclass 301.4]    301.4Acyclic chalcogen bonded directly at the 2- and at the 4- or 5- positions of the 1,3-diazole ring [e.g., cyclohexanespiro-5-(3-hydroxymethyl) hydantoin, etc.]
 This subclass is indented under subclass 300.7.  Compounds wherein the 1,3-diazole ring contains acyclic chalcogen bonded directly at the 2- and at the 4- or 5- positions thereof (e.g., 5- spirohydantoin, etc.).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 301.4

  
[List of Patents for class 548 subclass 301.7]    301.7Polycyclo ring system having the diazole ring as one the cyclos
 This subclass is indented under subclass 300.1.  Compounds wherein the 1,3-diazole ring is a cyclo in a polycyclo ring system.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 301.7

  
[List of Patents for class 548 subclass 302.1]    302.1Tricyclo ring system having the diazole ring as one the cyclos
 This subclass is indented under subclass 301.7.  Compounds in which the polycyclo ring system consists of exactly three rings.
  
[List of Patents for class 548 subclass 302.4]    302.4The 1,3-diazole shares ring nitrogen with a five-membered ring having no additional hetero atoms (e.g., imidazo [2,1-a] isoindole, etc.)
 This subclass is indented under subclass 302.1.  Compounds in which the tricyclo ring system contains a five-membered ring having one nitrogen and four carbons which nitrogen is shared with the 1,3-diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 302.4

  
[List of Patents for class 548 subclass 302.7]    302.7Bicyclo ring system having the diazole ring as one of the cyclos
 This subclass is indented under subclass 301.7.  Compounds in which the polycyclo ring system consists of exactly two rings.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 302.7

  
[List of Patents for class 548 subclass 303.1]    303.1At least three ring hetero atoms in the bicyclo ring system (e.g., furo- imidazole, (1,2-a) imidazole, pyrazo (1,2-a) imidazolidine, etc.)
 This subclass is indented under subclass 302.7.  Compounds wherein the bicyclo ring system contains at least one ring hetero atom in addition to the two ring nitrogens of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 303.1

  
[List of Patents for class 548 subclass 303.4]    303.4Four ring nitrogens in the bicyclo ring system (e.g., glycolurile, etc.)
 This subclass is indented under subclass 303.1.  Compounds in which the bicyclo ring system contains two ring nitrogens in addition to the two ring nitrogens of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 303.4

  
[List of Patents for class 548 subclass 303.7]    303.7The other cyclo is a five-membered hetero ring having one sulfur and four carbons (e.g., cis-tetrahydro-2-oxothieno [3,4-d]-imidazoline 4-valeric acid or biotin, etc.)
 This subclass is indented under subclass 303.1.  Compounds in which the bicyclo ring system consists of a five-membered ring having one sulfur and four carbons in addition to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 303.7

  
[List of Patents for class 548 subclass 304.1]    304.1Having -C(=O)-HN-, wherein substitution may be made for H, attached directly or indirectly to the bicyclo ring system by acyclic nonionic bonding (e.g., biotin amide, biotinylglycine, etc.)
 This subclass is indented under subclass 303.7.  Compounds wherein carboxamide (i.e.,--) is attached directly or indirectly to the bicyclo ring system by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 304.1

Image 2 for class 548 subclass 304.1

  
[List of Patents for class 548 subclass 304.4]    304.4The other ring is a benzene ring
 This subclass is indented under subclass 302.7.  Compounds in which the bicyclo ring system contains a benzene ring in addition to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 304.4

Image 2 for class 548 subclass 304.4

Image 3 for class 548 subclass 304.4

SEE OR SEARCH THIS CLASS, SUBCLASS:

302.7,for compounds wherein the benzene ring is partially or completely hydrogenated.
  
[List of Patents for class 548 subclass 304.7]    304.7Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding (e.g., methyl( 5-[2-(2-thienyl)-1,3-dioxolan -2-yl]-1H-benzimidazol-2-yl) carbamate, etc.)
 This subclass is indented under subclass 304.4.  Compounds wherein an additional hetero ring is attached directly or indirectly to the 1,3-diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 304.7

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[List of Patents for class 548 subclass 305.1]    305.1The additional hetero ring is a cyclo in a polycyclo ring system (e.g., benzofuranyl-benzimidazole, etc.)
 This subclass is indented under subclass 304.7.  Compounds wherein the additional hetero ring is one of the cyclos in a polycyclo ring system.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 305.1

  
[List of Patents for class 548 subclass 305.4]    305.4The additional polycyclo ring system contains a 1,3-diazole [e.g., bis (benzimidazol-2-yl) stilene, etc.]
 This subclass is indented under subclass 305.1.  Compounds wherein the additional polycyclo ring system contains a 1,3- diazole ring as one of the cyclos.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 305.4

Image 2 for class 548 subclass 305.4

  
[List of Patents for class 548 subclass 305.7]    305.7The polycyclo ring systems are bonded to the same acyclic carbon atom or to the same acyclic carbon chain (e.g., di-[2-benzimidazolyl)-methane; di-[benzimidazyl-(2)]-monohydroxyethylene, etc.)
 This subclass is indented under subclass 305.4.  Compounds containing an acyclic carbon atom or an acyclic carbon chain linkage between the polycyclo ring systems.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 305.7

  
[List of Patents for class 548 subclass 306.1]    306.1The additional hetero ring contains nitrogen as the only ring hetero atom [e.g., 2-(2-imidazolin-2-yl)-benzimidazole; 1-p-chlorophenyl-3- pyrrolidin-1- yl-propyl benzimidazolone, etc.]
 This subclass is indented under subclass 304.7.  Compounds wherein nitrogen is the only ring hetero atom in the additional hetero ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 306.1

Image 2 for class 548 subclass 306.1

  
[List of Patents for class 548 subclass 306.4]    306.4Chalcogen bonded directly to ring carbon of the diazole ring
 This subclass is indented under subclass 304.4.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 306.4

  
[List of Patents for class 548 subclass 306.7]    306.7Plural chalcogens attached directly to the diazole ring by nonionic bonding
 This subclass is indented under subclass 306.4.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are attached directly to carbon only or to carbon and nitrogen of the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 306.7

  
[List of Patents for class 548 subclass 307.1]    307.1The chalcogen is sulfur
 This subclass is indented under subclass 306.4.  Compounds wherein sulfur is the chalcogen which is bonded directly to ring carbon of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 307.1

  
[List of Patents for class 548 subclass 307.4]    307.4Nitrogen attached directly to the diazole ring by nonionic bonding
 This subclass is indented under subclass 304.4.  Compounds wherein nitrogen is attached directly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 307.4

  
[List of Patents for class 548 subclass 307.7]    307.7Chalcogen attached directly to diazole ring nitrogen by nonionic bonding
 This subclass is indented under subclass 307.4.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to ring nitrogen of the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 307.7

  
[List of Patents for class 548 subclass 308.1]    308.1Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 307.4.  Compounds having a - group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 308.1

  
[List of Patents for class 548 subclass 308.4]    308.4Acyclic nitrogen bonded directly to the -C(=X)- group
 This subclass is indented under subclass 308.1.  Compounds wherein an acyclic nitrogen is bonded directly to the - group.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 308.4

  
[List of Patents for class 548 subclass 308.7]    308.7Having -C(=X)-X-, wherein the Xs are the same or diverse chalcogens, attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 307.4.  Compounds containing a -X group attached indirectly to the diazole ring by acyclic nonionic bonding, wherein X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 308.7

  
[List of Patents for class 548 subclass 309.1]    309.1Chalcogen bonded directly to the benzene ring of the bicyclo ring system
 This subclass is indented under subclass 308.7.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the benzene ring of the bicyclo ring system.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 309.1

  
[List of Patents for class 548 subclass 309.4]    309.4Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 304.4.  Compounds wherein a - group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 309.4

  
[List of Patents for class 548 subclass 309.7]    309.7Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 304.4.  Compounds wherein nitrogen is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 309.7

Image 2 for class 548 subclass 309.7

Image 3 for class 548 subclass 309.7

  
[List of Patents for class 548 subclass 310.1]    310.1Chalcogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 304.4.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 310.1

Image 2 for class 548 subclass 310.1

  
[List of Patents for class 548 subclass 310.4]    310.4Halogen attached directly or indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 304.4.  Compounds wherein halogen (i.e., F, Cl, Br, I, or At) is attached directly or indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 310.4

  
[List of Patents for class 548 subclass 310.7]    310.7Benzene ring bonded directly at the 2- position of the diazole ring
 This subclass is indented under subclass 304.4.  Compounds wherein a benzene ring is bonded directly to ring carbon at the 2-position of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 310.7

  
[List of Patents for class 548 subclass 311.1]    311.1Additional hetero ring attached directly or indirectly to the diazole ring by nonionic bonding (e.g., 1,3-dioxolan-2-yl methyl-imidazole, etc.)
 This subclass is indented under subclass 300.1.  Compounds wherein an additional hetero ring is attached directly or indirectly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 311.1

Image 2 for class 548 subclass 311.1

  
[List of Patents for class 548 subclass 311.4]    311.4The additional hetero ring is a cyclo in a polycyclo ring system [e.g., 2-(1-isothiochromanyl)-2-imidazoline hydrochloride, etc.]
 This subclass is indented under subclass 311.1.  Compounds wherein the additional hetero ring is one of the cyclos in a polycyclo ring system.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 311.4

Image 2 for class 548 subclass 311.4

  
[List of Patents for class 548 subclass 311.7]    311.7At least two ring hetero atoms in the polycyclo ring system
 This subclass is indented under subclass 311.4.  Compounds wherein the polycyclo ring system contains at least two ring hetero atoms.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 311.7

Image 2 for class 548 subclass 311.7

  
[List of Patents for class 548 subclass 312.1]    312.1The additional polycyclo ring system is a bicyclo ring system having nitrogen as the only ring hetero atom [e.g., 5-(indolyl-3-methylene)- hydantoin, etc.]
 This subclass is indented under subclass 311.4.  Compounds wherein the additional polycyclo ring system contains nitrogen as the only ring hetero atom and consists of exactly two cyclos.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 312.1

  
[List of Patents for class 548 subclass 312.4]    312.4The additional hetero ring is a diazole ring (including hydrogenated)
 This subclass is indented under subclass 311.1.  Compounds wherein the additional hetero ring is also a five-membered hetero ring having two ring nitrogens and the remaining three positions are ring carbons.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 312.4

Image 2 for class 548 subclass 312.4

  
[List of Patents for class 548 subclass 312.7]    312.7Plural 1,3-diazoles
 This subclass is indented under subclass 312.4.  Compounds wherein the additional hetero ring is a diazole ring with nitrogen atoms occupying the 1 and 3 positions (i.e., plural 1,3-diazoles, and hydrogenated forms thereof).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 312.7

  
[List of Patents for class 548 subclass 313.1]    313.1Additional diverse hetero ring attached directly or indirectly to a diazole ring by nonionic bonding
 This subclass is indented under subclass 312.7.  Compounds containing an additional hetero ring other than a diazole ring which is attached directly or indirectly to a 1,3- diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 313.1

  
[List of Patents for class 548 subclass 313.4]    313.4The diazole rings are bonded directly to each other
 This subclass is indented under subclass 312.7.  Compounds wherein the 1,3-diazole rings are bonded directly to each other.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 313.4

  
[List of Patents for class 548 subclass 313.7]    313.7Ring nitrogens of two diazole rings attached directly to the same atom or chain, which chain may include a ring, by nonionic bonding
 This subclass is indented under subclass 312.7.  Compounds wherein a ring nitrogen of each of the two 1,3-diazole rings is attached directly to the same atom or chain, which chain may include a ring, by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 313.7

  
[List of Patents for class 548 subclass 314.1]    314.1Acyclic chalcogen bonded directly at the 2- and at the 4- or 5- positions of each of the two diazole rings (e.g., N, N methylene bis -hydantoin, etc.)
 This subclass is indented under subclass 313.7.  Compounds wherein acyclic chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly at the 2- and at the 4- or 5- positions of each of the two diazole rings.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 314.1

  
[List of Patents for class 548 subclass 314.4]    314.4Two diazole rings are bonded directly to the same carbon atom or carbon chain, which chain may include a ring
 This subclass is indented under subclass 312.7.  Compounds wherein two 1,3-diazole rings are bonded directly to the same carbon atom or to a carbon chain, which chain may include a ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 314.4

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[List of Patents for class 548 subclass 314.7]    314.7The additional hetero ring contains nitrogen as the only ring hetero atom [e.g., N-(cyclopentylcarbonyl-L-histidyl)-pyrrolidine, etc.]
 This subclass is indented under subclass 311.1.  Compounds wherein nitrogen is the only ring hetero atom in the additional hetero ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 314.7

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[List of Patents for class 548 subclass 315.1]    315.1The additional hetero ring contains sulfur as the only ring hetero atom [e.g., 5-(2-thienyl) hydantoin, etc.]
 This subclass is indented under subclass 311.1.  Compounds wherein sulfur is the only ring hetero atom in the additional hetero ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 315.1

  
[List of Patents for class 548 subclass 315.4]    315.4The additional hetero ring is a five-membered ring having oxygen and four carbons (e.g., pilocarpine; 2-[5-(3,4-dimethoxyphenyl)-2-furyl]imidazole hydrochloride, etc.)
 This subclass is indented under subclass 311.1.  Compounds wherein a five- membered ring having one oxygen and four carbons is the additional hetero ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 315.4

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[List of Patents for class 548 subclass 315.7]    315.7Acyclic chalcogen bonded directly to ring carbon of the 1,3-diazole ring
 This subclass is indented under subclass 315.4.  Compounds wherein acyclic chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 315.7

  
[List of Patents for class 548 subclass 316.1]    316.1Plural acyclic chalcogens bonded directly at the 2- and at the 4- or 5- positions of the 1,3-diazole ring [e.g., N-(5-nitro-2-furfuryliden)-1- amino-hydantoin, etc.]
 This subclass is indented under subclass 315.7.  Compounds wherein plural acyclic chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly at the 2- and at the 4- or 5- positions of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 316.1

  
[List of Patents for class 548 subclass 316.4]    316.4Chalcogen bonded directly to ring carbon of the diazole ring (e.g., N-vinyl-N, Nethylene urea, etc.)
 This subclass is indented under subclass 300.1.  Compounds wherein chalcogen, (i.e., oxygen, sulfur, selenium, or tellurium) is bonded directly to ring carbon of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 316.4

  
[List of Patents for class 548 subclass 316.7]    316.7Additional chalcogen attached directly to ring nitrogen of the diazole ring by nonionic bonding
 This subclass is indented under subclass 316.4.  Compounds containing an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) which is attached directly to ring nitrogen of the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 316.7

  
[List of Patents for class 548 subclass 317.1]    317.1Plural chalcogens bonded directly to ring carbons of the diazole ring
 This subclass is indented under subclass 316.4.  Compounds wherein at least two chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 317.1

(2) Note. Included in this subclass are compounds which have been commonly called hydantoins (i.e., 2,4-imidazolidinedione).
  
[List of Patents for class 548 subclass 317.5]    317.5Three chalcogens bonded directly to ring carbons of the diazole ring
 This subclass is indented under subclass 317.1.  Compounds wherein three chalcogens (i.e., oxygen, sulfur, selenium, or tellurium) are bonded directly to ring carbons of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 317.5

(2) Note. Included in this subclass are compounds which have been commonly called parabanic acids.
  
[List of Patents for class 548 subclass 318.1]    318.1Nitrogen attached directly to the diazole ring by nonionic bonding [e.g., (2,5-dioxo-4-imidazolidinyl)urea or allantoin, etc.]
 This subclass is indented under subclass 317.1.  Compounds wherein nitrogen is attached directly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 318.1

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[List of Patents for class 548 subclass 318.5]    318.5Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 317.1.  Compounds wherein a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 318.5

  
[List of Patents for class 548 subclass 319.1]    319.1Chalcogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 317.1.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 319.1

  
[List of Patents for class 548 subclass 319.5]    319.5The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 319.1.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 319.5

  
[List of Patents for class 548 subclass 320.1]    320.1Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 317.1.  Compounds wherein nitrogen is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 320.1

  
[List of Patents for class 548 subclass 320.5]    320.5Halogen attached directly or indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 317.1.  Compounds wherein halogen is attached directly or indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 320.5

  
[List of Patents for class 548 subclass 321.1]    321.1Benzene ring bonded directly to the diazole ring
 This subclass is indented under subclass 317.1.  Compounds wherein the diazole ring is bonded directly to a benzene ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 321.1

  
[List of Patents for class 548 subclass 321.5]    321.5Nitrogen attached directly to the diazole ring by nonionic bonding
 This subclass is indented under subclass 316.4.  Compounds wherein nitrogen is attached directly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 321.5

  
[List of Patents for class 548 subclass 322.1]    322.1The nitrogen is attached directly to ring nitrogen of the diazole ring by nonionic bonding (e.g., dinitroethylene urea, etc.)
 This subclass is indented under subclass 321.5.  Compounds wherein the nitrogen is attached directly to one of the nitrogens of the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 322.1

  
[List of Patents for class 548 subclass 322.5]    322.5Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 316.4.  Compounds wherein a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 322.5

  
[List of Patents for class 548 subclass 323.1]    323.1Acyclic nitrogen bonded directly to the -C(=X)- group
 This subclass is indented under subclass 322.5.  Compounds wherein the group which is bonded directly to the diazole ring is additionally bonded directly to acyclic nitrogen.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 323.1

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[List of Patents for class 548 subclass 323.5]    323.5Chalcogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 316.4.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 323.5

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[List of Patents for class 548 subclass 324.1]    324.1The chalcogen, X, is in a -C(=X)- group
 This subclass is indented under subclass 323.5.  Compounds wherein the chalcogen, X (i.e., oxygen, sulfur, selenium, or tellurium), is in a group.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 324.1

  
[List of Patents for class 548 subclass 324.5]    324.5Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 316.4.  Compounds wherein nitrogen is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 324.5

  
[List of Patents for class 548 subclass 325.1]    325.1The chalcogen is sulfur or selenium (e.g., 2-mercaptoimidazoline, ethylenethiourea, etc.)
 This subclass is indented under subclass 316.4.  Compounds wherein the chalcogen which is bonded directly to diazole ring carbon is sulfur or selenium.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 325.1

  
[List of Patents for class 548 subclass 325.5]    325.5Benzene ring bonded directly to the diazole ring
 This subclass is indented under subclass 316.4.  Compounds wherein the diazole ring is bonded directly to a benzene ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 325.5

  
[List of Patents for class 548 subclass 326.1]    326.1The diazole ring is further unsubstituted (e.g., cyclic ethylene urea, etc.)
 This subclass is indented under subclass 316.4.  Compounds wherein the diazole ring is not substituted except for the chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 326.1

SEE OR SEARCH THIS CLASS, SUBCLASS:

316.4,for compounds containing alkyl substituted cyclic ethylene urea.
  
[List of Patents for class 548 subclass 326.5]    326.5Nitrogen attached directly to the diazole ring by nonionic bonding
 This subclass is indented under subclass 300.1.  Compounds wherein nitrogen is attached directly to the diazole ring by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 326.5

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[List of Patents for class 548 subclass 327.1]    327.1The nitrogen is part of a nitro group (i.e., -NO ), (e.g., 5-nitroimidazole, etc.)
 This subclass is indented under subclass 326.5.  Compounds wherein the nitrogen is part of a nitro group (i.e., -NO2).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 327.1

  
[List of Patents for class 548 subclass 327.5]    327.5The nitro group is bonded directly at the 2-position of the diazole ring
 This subclass is indented under subclass 327.1.  Compounds wherein the nitro group (i.e., -NO2) is bonded directly to the ring carbon in the 2- position of the diazole ring, i.e., the ring carbon between the two ring nitrogens.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 327.5

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[List of Patents for class 548 subclass 328.1]    328.1Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 327.1.  Compounds which contain a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 328.1

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[List of Patents for class 548 subclass 328.5]    328.5Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 327.1.  Compounds which contain nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 328.5

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[List of Patents for class 548 subclass 329.1]    329.1The nitrogen is multiply bonded to carbon
 This subclass is indented under subclass 328.5.  Compounds wherein the nitrogen is multiply bonded to carbon.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 329.1

  
[List of Patents for class 548 subclass 329.5]    329.5Benzene ring bonded directly at the 2-position of the diazole ring
 This subclass is indented under subclass 327.1.  Compounds wherein a benzene ring is bonded directly to the ring carbon in the 2- position of the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 329.5

  
[List of Patents for class 548 subclass 330.1]    330.1Chalcogen, not part of a nitro group, attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 327.1.  Compounds wherein an additional chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), which is not part of the nitro group, is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 330.1

  
[List of Patents for class 548 subclass 330.5]    330.5The chalcogen is sulfur
 This subclass is indented under subclass 330.1.  Compounds wherein sulfur is the chalcogen that is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

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[List of Patents for class 548 subclass 331.1]    331.1Chalcogen or the nitrogen attached directly to diazole ring nitrogen by nonionic bonding
 This subclass is indented under subclass 326.5.  Compounds wherein the nitrogen or chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) is attached directly to a diazole ring nitrogen by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 331.1

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[List of Patents for class 548 subclass 331.5]    331.5The nitrogen is bonded directly at the 2-position of the diazole ring
 This subclass is indented under subclass 326.5.  Compounds wherein the nitrogen is bonded directly to the ring carbon in the 2- position of the diazole ring, i.e., the ring carbon between the two ring nitrogens.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 331.5

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[List of Patents for class 548 subclass 332.1]    332.1Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 This subclass is indented under subclass 331.5.  Compounds which contain a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 332.1

  
[List of Patents for class 548 subclass 332.5]    332.5Chalcogen, additional nitrogen, or -C(=X)-, wherein X is chalcogen or nitrogen, attached directly to the nitrogen by nonionic bonding
 This subclass is indented under subclass 331.5.  Compounds wherein the nitrogen is attached directly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), an additional nitrogen or a group, in which X is chalcogen or nitrogen, by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 332.5

  
[List of Patents for class 548 subclass 333.1]    333.1Benzene ring bonded directly to the nitrogen
 This subclass is indented under subclass 331.5.  Compounds wherein the nitrogen is bonded directly to a benzene ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 333.1

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[List of Patents for class 548 subclass 333.5]    333.5Having -C(=X)-, wherein X is chalcogen, bonded directly to the diazole ring
 Compounds under 300.1 wherein a group, in which X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium), is bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 333.5

  
[List of Patents for class 548 subclass 334.1]    334.1The -C(=X)- is bonded directly to ring nitrogen of the diazole ring
 This subclass is indented under subclass 333.5.  Compounds in which the group is bonded directly to a diazole ring nitrogen by nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 334.1

  
[List of Patents for class 548 subclass 334.5]    334.5The -C(=X)- is part of a -C(=X)X- group, wherein the Xs are the same or diverse chalcogens (e.g., imidazole- 4,5-dicarboxylic acid, etc.)
 This subclass is indented under subclass 333.5.  Compounds in which the group is part of a X-group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 334.5

  
[List of Patents for class 548 subclass 335.1]    335.1Two double bonds between ring members of the diazole ring (i.e., imidazole)
 This subclass is indented under subclass 300.1.  Compounds wherein the 1,3-diazole ring contains two double bonds between its ring members.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 335.1

(2) Note. Compounds within this subclass are referred to as imidazoles, glyoxalines, imineazoles, imideazoles, iminazoles, pyrro[b]monazoles, or 1,3-diaza-2,4- cyclopentadienes.
  
[List of Patents for class 548 subclass 335.5]    335.5Nitrogen attached indirectly to the diazole ring by acyclic nonionic bonding
 This subclass is indented under subclass 335.1.  Compounds wherein nitrogen is attached indirectly to the diazole ring by acyclic nonionic bonding.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 335.5

  
[List of Patents for class 548 subclass 336.1]    336.1The nitrogen is multiply bonded to carbon
 This subclass is indented under subclass 335.5.  Compounds wherein carbon is multiply bonded to the nitrogen.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 336.1

Image 2 for class 548 subclass 336.1

  
[List of Patents for class 548 subclass 336.5]    336.5Having a -C=N group bonded directly to the nitrogen (e.g., N-cyano-N- methyl-N~-{2-(4-methyl-5-imidazolyl)-methylthio]-ethyl}guanidine, etc.)
 This subclass is indented under subclass 336.1.  Compounds wherein the nitrogen is bonded directly to a -CN group.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 336.5

  
[List of Patents for class 548 subclass 337.1]    337.1The nitrogen is part of a -C=N group which is bonded directly to the diazole ring (e.g., 4,5-dicyanoimidazole, etc.)
 This subclass is indented under subclass 336.1.  Compounds containing a -CN group bonded directly to the diazole ring.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 337.1

  
[List of Patents for class 548 subclass 338.1]    338.1Having -C(=X)-, wherein X is chalcogen, bonded directly to the nitrogen
 This subclass is indented under subclass 335.5.  Compounds wherein the nitrogen is bonded directly to a group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 338.1

Image 2 for class 548 subclass 338.1

  
[List of Patents for class 548 subclass 338.5]    338.5The chalcogen is sulfur or sulfur attached indirectly to the -C(=X)- group by acyclic nonionic bonding
 This subclass is indented under subclass 338.1.  Compounds in which sulfur is attached indirectly to the group by acyclic nonionic bonding or the chalcogen of the group is sulfur.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 338.5

  
[List of Patents for class 548 subclass 339.1]    339.1The nitrogen and -C(=X)X-, wherein Xs are the same or diverse chalcogens, are bonded directly to the same acyclic carbon atom (e.g., -amino-4(5)- imidazole propionic acid or histidine, etc.)
 This subclass is indented under subclass 335.5.  Compounds wherein a X- group, in which the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium), and the nitrogen are bonded directly to the same acyclic carbon atom.
(1) Note. This subclass contains, for example:

Image 1 for class 548 subclass 339.1

  
[List of Patents for class 548 subclass 339.5]    339.5