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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.