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 [Search a list of Patent Appplications for class 534]   CLASS 534,ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES
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SUBCLASSES

[List of Patents for class 534 subclass 7]    7Noble gas containing (i.e., He, Ne, Ar, Kr, Xe, or Rn containing)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... which contain a noble metal (i.e., helium, neon, argon, krypton, xenon or radon).
  
[List of Patents for class 534 subclass 10]    10Radioactive metal containing (At. No. 43, 61 or 84+; or radioactive isotope of another metal)
 This subclass is indented under subclass 1.  Compound under Class 532, ... , which contains a metal which exhibits spontaneous nuclear disintegration with emission of radioactive particles, either as (1) the naturally unstable metal which has as atomic number of (43, 61 or at least 84), or (2) a metal which has been treated to render an isotope thereof radioactive.
  
[List of Patents for class 534 subclass 11]    11Actinide series metal (At. No. 89+)
 This subclass is indented under subclass 10.  Compound which contain metals having an atomic number of 89 or higher.
(1) Note. Compounds of the transactinide elements, i.e., those having atomic numbers greater than 103 will be found in this group of subclasses.
  
[List of Patents for class 534 subclass 12]    12Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl containing, etc.)
 This subclass is indented under subclass 11.  Compounds which contain a -C(=X)- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 534 subclass 13]    13The -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 12.  Compounds in which the -C(=X)- is part of a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens.
(1) Note. An example of a compound provided for herein is:
  
[List of Patents for class 534 subclass 14]    14Technetium containing (At. No. 43; Tc)
 This subclass is indented under subclass 10.  Compounds which contain technetium.
  
[List of Patents for class 534 subclass 15]    15Rare earth containing (At. No. 21, 39, 57-60 or 62-71)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... , which contain a metal having an atomic number of (21, 39, 57 - 60 or 62 - 71).
  
[List of Patents for class 534 subclass 16]    16Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens
 This subclass is indented under subclass 15.  Compounds which contain a -C(=X)X- group, wherein the X"s are the same or diverse chalcogens (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 550]    550Diazoamino (e.g., triazenes, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... in which nitrogen is attached directly to an acyclic -N=N= group by nonionic bonding, i.e., N-N=N-.
(1) Note. Structures in which the entire diazoamino configuration is contained in a ring are classified in the appropriate heterocyclic class.
(2) Note. Examples of compounds provided for herein are:

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SEE OR SEARCH THIS CLASS, SUBCLASS:

551,for those compounds in which the amino nitrogen is part of a ring.
  
[List of Patents for class 534 subclass 551]    551Hetero ring containing
 This subclass is indented under subclass 550.  Compounds which contain a hetero ring.
(1) Note. The amino nitrogen of the diazoamino group may be a cyclic or an acyclic atom.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 552]    552Chalcogen or additional nitrogen bonded directly to the diazoamino group
 This subclass is indented under subclass 550.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or additional nitrogen are bonded directly to the diazoamino group.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 553]    553Noncarbon atom double or triple bonded and the diazoamino group bonded directly to the same acyclic carbon
 This subclass is indented under subclass 550.  Compounds in which the diazoamino group is bonded directly to an acyclic carbon to which a noncarbon atom is attached directly by a double or triple bond.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 554]    554Plural benzene rings bonded directly to the diazoamino group
 This subclass is indented under subclass 550.  Compounds in which at least two benzene rings are bonded directly to the diazoamino group.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 555]    555Processes
 This subclass is indented under subclass 550.  Processes for producing, purifying or recovering a compound containing a diazoamino group.

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[List of Patents for class 534 subclass 556]    556Diazooxide or diazotate (e.g., -N=N-O-, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 532, in which oxygen is bonded directly to an acyclic -N=N- or group, which group is attached directly to carbon by nonionic bonding.
(1) Note. Among the radicals included herein are:

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

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[List of Patents for class 534 subclass 557]    557Sulfur attached directly to a ring by nonionic bonding
 This subclass is indented under subclass 556.  Compounds in which sulfur is attached directly to a ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 558]    558Diazo or diazonium (e.g., -N=N-C, etc.)
 This subclass is indented under subclass 1.  Compounds under Class 532, ... in which only one nitrogen of a diazo group is bonded directly to carbon; wherein if the remaining nitrogen is bonded to an additional atom or radical, that atom or radical is an anion.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 559]    559With preservative or stabilizer
 This subclass is indented under subclass 558.  Products which contain a diazo or diazonium compound in admixture with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 534 subclass 560]    560Hetero ring containing
 This subclass is indented under subclass 558.  Compounds which contain a hetero ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 561]    561Plural diazo or diazonium groups
 This subclass is indented under subclass 558.  Compounds which contain at least two of the diazo or diazonium groups.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 562]    562Heavy metal or aluminum containing
 This subclass is indented under subclass 558.  Compounds which include aluminum or metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 563]    563Polycyclo ring system having at least three cyclos
 This subclass is indented under subclass 558.  Compounds which contain a polycyclo ring system having three or more cyclos.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 564]    564Aldehyde or ketone group containing
 This subclass is indented under subclass 558.  Compounds which contain an aldehyde or ketone group; i.e., wherein R is hydrogen or carbon.
  
[List of Patents for class 534 subclass 565]    565Formation of diazonium group
 This subclass is indented under subclass 558.  Processes of forming the diazonium group.
  
[List of Patents for class 534 subclass 566]    566Azoxy
 This subclass is indented under subclass 1.  Compounds under Class 532, ... in which an azoxy group; i.e., - or -NN-, is bonded directly to carbons of two discrete organic radicals.
(1) Note. Compounds which contain an azoxy group bonded directly to the same carbon or to two carbons of the same radical thereby forming a heterocyclic ring are classified in the appropriate heterocyclic class.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 567]    567Hetero ring containing
 This subclass is indented under subclass 566.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 568]    568Azodioxy
 This subclass is indented under subclass 566.  Compounds which contain an azodioxy group, i.e.,

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(1) Note. An example of a compound provided for herein is:
  
[List of Patents for class 534 subclass 569]    569Heavy metal or aluminum containing
 This subclass is indented under subclass 566.  Compounds which include aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
  
[List of Patents for class 534 subclass 570]    570Sulfonic acid group containing (-(0=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 566.  Compounds which contain a --OH group bonded directly to carbon, wherein -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 571]    571Stilbene containing
 This subclass is indented under subclass 570.  Compounds which contain a stilbene group, i.e., as illustrated below, wherein any hydrogen may be replaced.

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(1) Note. An example of a compound provided for herein is:
  
[List of Patents for class 534 subclass 572]    572Formation of azoxy group
 This subclass is indented under subclass 566.  Processes of forming the azoxy group.
  
[List of Patents for class 534 subclass 573]    573Azo
 This subclass is indented under subclass 1.  Compounds under Class 532, ... in which an acyclic -N=N- group is bonded directly to carbons of two discrete organic radicals.
(1) Note. Compounds which contain a -N=N- group bonded directly to the same carbon or to two carbons of the same radical thereby forming a heterocyclic ring are classified in the appropriate heterocyclic class.
  
[List of Patents for class 534 subclass 574]    574Quaternary azo group containing
 This subclass is indented under subclass 573.  Compounds wherein a nitrogen of the azo group is pentavalent (i.e., -NN-), with a bond to an additional carbon and a bond to an anion.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 575]    575Specified crystalline form
 This subclass is indented under subclass 573.  Compounds which are azo compounds having a specifically disclosed crystalline structure, form or modification.
  
[List of Patents for class 534 subclass 576]    576With preservative or stabilizer
 This subclass is indented under subclass 573.  Products which contain an azo compound in admixture with a preserving or stabilizing agent whose sole function is to prevent physical or chemical change.
  
[List of Patents for class 534 subclass 577]    577Liquid crystal (e.g., pleochroic, etc.)
 This subclass is indented under subclass 573.  Compounds which are azo dyes existing either in a semi-crystalline form or in a transition state between crystalline solid and normal liquid, i.e., having the appearance of being crystals while having the viscosities to behave mechanically as liquids, and which usually show different colors.
(1) Note. These dyes are utilized in display type devices.
  
[List of Patents for class 534 subclass 578]    578Formation of azo group by oxidative coupling
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by oxidative coupling.
  
[List of Patents for class 534 subclass 579]    579Formation of azo group by simultaneous diazotization and coupling
 This subclass is indented under subclass 573.  Processes wherein the azo group if formed by simultaneous diazotization and coupling.
  
[List of Patents for class 534 subclass 580]    580Formation of azo group from diazoamino group
 This subclass is indented under subclass 573.  Processes whereby the azo group is formed from a diazoamino group.
  
[List of Patents for class 534 subclass 581]    581Formation of azo group by coupling diazonium compound with coupling component in presence of an additional organic compound
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by the coupling of a diazonium compound with a coupling component in the presence of an additional organic compound.
  
[List of Patents for class 534 subclass 582]    582Formation of azo group by coupling diazonium compound with coupling component at a specified pH range
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by the coupling of a diazonium compound with a coupling component at a specified pH range.
(1) Note. Included herein are only those processes in which a pH range is specifically disclosed or claimed.
  
[List of Patents for class 534 subclass 583]    583Formation of azo group by coupling diazonium compound with coupling component in presence of ammonia, a Group IIA light metal hydroxide or a Group IA or IIA light metal phosphate
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by the coupling of a diazonium compound with a coupling component in the presence of ammonia, a Group IIA light metal hydroxide, or a Group IA or IIA light metal phosphate.
  
[List of Patents for class 534 subclass 584]    584Formation of azo group by coupling diazonium compound with coupling component in other than stoichiometric proportions
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by the coupling of a diazonium compound with a coupling component in proportions other than stoichiometric.
  
[List of Patents for class 534 subclass 585]    585Formation of azo group by reduction of nitro group
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed by the reduction of a nitro group (i.e., -NO2).
  
[List of Patents for class 534 subclass 586]    586Formation of azo group from group having nitrogen single bonded to nitrogen
 This subclass is indented under subclass 573.  Processes whereby the azo group is formed from a group having nitrogen singly bonded to nitrogen, e.g., hydrazine group, hydrazone group, etc.
  
[List of Patents for class 534 subclass 587]    587Formation of azo group directly from nitrogen containing compound by process other than diazotization and coupling
 This subclass is indented under subclass 573.  Processes wherein the azo group is formed from a nitrogen containing compound by some process other than diazotization and coupling.
  
[List of Patents for class 534 subclass 588]    588Process utilizing azo compound as reactant
 This subclass is indented under subclass 573.  Processes whereby an azo compound is utilized as a reactant in the preparation of a different azo compound.
  
[List of Patents for class 534 subclass 589]    589Formation of quaternary ammonium or hydrazinium group
 This subclass is indented under subclass 588.  Processes for the preparation of quaternary ammonium or quaternary hydrazinium compounds.
  
[List of Patents for class 534 subclass 590]    590Ring formation
 This subclass is indented under subclass 588.  Processes whereby a ring is formed.
  
[List of Patents for class 534 subclass 591]    591Formation of -C(=X)HNH group, wherein X is chalcogen (substitution may be made for hydrogen only)
 This subclass is indented under subclass 588.  Processes whereby a [Fig. 1] group is formed, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).

FIGURE 1

FIGURE 1

  
[List of Patents for class 534 subclass 592]    592Formation of sulfonamide group
 This subclass is indented under subclass 588.  Processes whereby a sulphonamide group is formed (i.e.,

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[List of Patents for class 534 subclass 593]    593Additional reactant containing phosphorus or sulfur
 This subclass is indented under subclass 588.  Processes which utilize a reactant which contains sulfur or phosphorus; said reactant is other than the azo reactant.
  
[List of Patents for class 534 subclass 594]    594Sulfonic acid group formed or added to the azo reactant (-(O=) S (=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 593.  Processes whereby a -SO3H group is formed or added to the azo reactant producing a sulfonated azo compound (H of the SO3H group may be replaced by a substituted or unsubstituted ammonium ion or a metal).
  
[List of Patents for class 534 subclass 595]    595Formation of -C(=X)X- ester group, wherein the X's may be the same or diverse chalcogens
 This subclass is indented under subclass 588.  Processes whereby a --X- ester group is formed, wherein the X"s may be the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).
  
[List of Patents for class 534 subclass 596]    596Etherification of hydroxy group
 This subclass is indented under subclass 588.  Processes for etherifying hydroxy groups.
  
[List of Patents for class 534 subclass 597]    597Replacement of halogen by cyano group
 This subclass is indented under subclass 588.  Processes wherein halogen is replaced by a cyano group.
  
[List of Patents for class 534 subclass 598]    598Replacement of halogen by amino nitrogen
 This subclass is indented under subclass 588.  Processes whereby halogen is replaced by an amino nitrogen.
  
[List of Patents for class 534 subclass 599]    599Hydrolysis
 This subclass is indented under subclass 588.  Processes wherein azo compounds are reactants in hydrolysis reactions; i.e., decomposition reactions.
  
[List of Patents for class 534 subclass 600]    600Reduction of nitro or nitrogen oxide group
 This subclass is indented under subclass 588.  Processes whereby a nitro group or a nitrogen oxide group is reduced.
  
[List of Patents for class 534 subclass 601]    601Nitration
 This subclass is indented under subclass 588.  Processes for the nitration of azo compounds.
  
[List of Patents for class 534 subclass 602]    602Metallization of the azo reactant in presence of an additional organic compound
 This subclass is indented under subclass 588.  Processes for the preparation of a metallized azo compound by the reaction of an azo compound with a metal or a metallized compound in the presence of an additional organic compound.
  
[List of Patents for class 534 subclass 603]    603Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding
 This subclass is indented under subclass 573.  Compounds wherein a pentavalent nitrogen having four bonds to carbons or three bonds to carbons and one to an additional nitrogen is attached indirectly to an azo group by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 604]    604Hetero ring containing
 This subclass is indented under subclass 603.  Compounds which contain a hetero ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 605]    605The pentavalent nitrogen is a ring member
 This subclass is indented under subclass 604.  Compounds in which the pentavalent nitrogen is a ring member.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 606]    606Azo bonded directly to a hetero ring or to a polycyclo ring system having a hetero ring as one of the cyclos
 This subclass is indented under subclass 605.  Compounds wherein an azo group is bonded directly to a hetero ring or to a polycyclo ring system which contains a hetero ring as one of the cyclos.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 607]    607The hetero ring contains the pentavalent nitrogen
 This subclass is indented under subclass 606.  Compounds wherein the pentavalent nitrogen is a member of the hetero ring or the polycyclo ring system to which the azo group is directly bonded.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 608]    608Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 607.  Compounds wherein at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 609]    609Acyclic carbon bonded directly to the azo group
 This subclass is indented under subclass 607.  Compounds in which an acyclic carbon atom is bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 610]    610Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group
 This subclass is indented under subclass 607.  Compounds in which an additional hetero ring or a polycyclo ring system having a hetero ring as one of the cyclos is bonded directly to the azo group.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 611]    611The hetero ring is one of the cyclos in a polycyclo ring system
 This subclass is indented under subclass 607.  Compounds wherein the hetero ring which contains the pentavalent nitrogen 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 534 subclass 612]    612Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 605.  Compounds wherein an acyclic -- group, in which X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is attached directly or indirectly to the hetero ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 613]    613Heavy metal or aluminum containing
 This subclass is indented under subclass 603.  Compounds which include aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 614]    614Plural azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 603.  Compounds in which at least two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 615]    615Plural nitrogens bonded directly to the same alkylene chain (e.g., diamino alkylene, etc.)
 This subclass is indented under subclass 603.  Compounds in which at least two nitrogens are bonded directly to the same alkylene chain.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 616]    616Nitrogen oxide, other than as nitro or nitroso, containing
 This subclass is indented under subclass 573.  Compounds wherein acyclic oxygen is bonded directly to a nitrogen atom which has three bonds to carbons.
(1) Note. This subclass includes, e.g., Figs. 1 and 2 below, but excludes nitro and nitroso, i.e., Figs. 3 and 4, respectively.

FIGURE 1

FIGURE 1

FIGURE 2

FIGURE 2

FIGURE 3. Nitro

FIGURE 3. Nitro

FIGURE 4. Nitroso

FIGURE 4. Nitroso

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

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[List of Patents for class 534 subclass 617]    617Fiber- or substrate-reactive azo compound
 This subclass is indented under subclass 573.  Compounds which are azo compounds having a group capable of reacting with a group of a fiber or a substrate to form a nonionic bond, e.g., reacting with a hydroxy group of cellulose or an amino group of a polyamide, etc.
(1) Note. Included herein are only those patents which distinctly disclose that an azo compound is "fiber - or substrate-reactive" or that a reaction occurs between a fiber or substrate and an azo dye.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 618]    618Formazan containing (i.e., HNH-N=CH-N=NH, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 617.  Compounds which contain the formazan group, i.e., N-N=-N=N-.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 619]    619Heavy metal or aluminum containing
 This subclass is indented under subclass 617.  Compounds which include aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 620]    620Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding
 This subclass is indented under subclass 619.  Compounds in which halogen is attached directly to a hetero ring or to an alicyclic ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 621]    621Stilbene containing
 This subclass is indented under subclass 620.  Compounds which contain the group in Fig. 1, wherein only hydrogen may be replaced.

FIGURE 1

FIGURE 1

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

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[List of Patents for class 534 subclass 622]    622The hetero ring is six-membered and contains at least two nitrogens
 This subclass is indented under subclass 620.  Compounds in which the hetero ring to which halogen is attached is six-membered and contains at least two ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 623]    623Diverse azo moieties bonded to the same metal
 This subclass is indented under subclass 622.  Compounds wherein azo moieties from different and distinct azo compounds are bonded to the same metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 624]    624At least two such hetero rings attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 622.  Compounds wherein at least two of the six-membered hetero rings having halogen bonded directly thereto are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 625]    625Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 622.  Compounds wherein at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 626]    626Chalcogen or carbon bonded directly to the six-membered hetero ring and is between the hetero ring and the azo group
 This subclass is indented under subclass 622.  Compounds in which carbon or chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to the six-membered hetero ring, which chalcogen or carbon is between the hetero ring and the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 627]    627Plural halogens attached directly to the hetero ring by nonionic bonding
 This subclass is indented under subclass 622.  Compounds in which at least two halogens are attached directly to the six-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 534 subclass 628]    628Diverse hetero ring containing
 This subclass is indented under subclass 622.  Compounds which contain an additional hetero ring, which ring is other than six-membered having at least two ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 629]    629Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamide, which sulfonyl or sulfonamide is between a ring and the alkylene, alkenyl or alkenylene
 This subclass is indented under subclass 619.  Compounds wherein an alkylene, alkenyl or alkenylene chain is bonded directly to a sulfonyl group, i.e., Fig. 1, or to a sulfonamide group, i.e., Fig. 2, which sulfonyl or sulfonamide is between the chain and a ring.

FIGURE 1

FIGURE 1

FIGURE 2.

FIGURE 2.

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

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[List of Patents for class 534 subclass 630]    630Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding
 This subclass is indented under subclass 617.  Compounds in which halogen is attached directly to a hetero ring or to an alicyclic ring by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 631]    631Stilbene containing
 This subclass is indented under subclass 630.  Compounds which contain the [Fig. 1] group, wherein only hydrogen may be replaced.

FIGURE 1

FIGURE 1

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

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[List of Patents for class 534 subclass 632]    632The hetero ring is six-membered and contains at least two nitrogens
 This subclass is indented under subclass 630.  Compounds in which the hetero ring to which halogen is attached is six-membered and contains at least two ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 633]    633Polycyclo ring system having the hetero ring as one of the cyclos
 This subclass is indented under subclass 632.  Compounds wherein the hetero ring 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 534 subclass 634]    634At least two such hetero rings attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 632.  Compounds which contain at least two of the six-membered hetero rings having halogen bonded directly thereto attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 635]    635Additional hetero ring containing
 This subclass is indented under subclass 632.  Compounds which contain an additional hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 636]    636Pyrazole containing (including hydrogenated)
 This subclass is indented under subclass 635.  Compounds wherein the additional hetero ring has the following basic structure, which may contain double bonds between ring members:

Image 1 for class 534 subclass 636

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

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[List of Patents for class 534 subclass 637]    637Plural azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 632.  Compounds in which at least two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 638]    638The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen
 This subclass is indented under subclass 632.  Compounds wherein the hetero ring and a benzene ring are both bonded directly to the same nitrogen, said benzene ring is additionally bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 639]    639Aziridine containing (including unsaturated)
 This subclass is indented under subclass 617.  Compounds which contain a hetero ring having the following basic structure, which may contain a double bond between ring members:

Image 1 for class 534 subclass 639

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

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[List of Patents for class 534 subclass 640]    640Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectly to a ring by nonionic bonding
 This subclass is indented under subclass 617.  Compounds wherein an alkylene, alkenyl, alkenylene, alkynyl or alkynylene chain is attached directly or indirectly to a ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 641]    641Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene
 This subclass is indented under subclass 640.  Compounds wherein an alkylene, alkenyl or alkenylene chain is bonded directly to a sulfonyl group, i.e., --, or a sulfonamide group, i.e., --N, which sulfonyl or sulfonamide is between the chain and a ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 642]    642The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl group
 This subclass is indented under subclass 641.  Compounds wherein the alkylene, alkenyl or alkenylene chain and the ring are both bonded directly to the same sulfonyl group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 643]    643Alkylene, alkenyl or alkenylene bonded directly to carboxamido, urea or -C(=X)-, wherein X is chalcogen, which group is between a ring and the alkylene, alkenyl or alkenylene
 This subclass is indented under subclass 640.  Compounds wherein an alkylene, alkenyl or alkenylene chain is bonded directly to a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium), to a -C , group or to a N--N group, which group is between the chain and a ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 644]    644Alkylene, alkenyl or alkenylene and a ring bonded directly to the same chalcogen or to plural chalcogens which are bonded directly to each other
 This subclass is indented under subclass 640.  Compounds in which an alkylene, alkenyl or alkenylene chain and a ring are both bonded directly to the same chalcogen atom (i.e., oxygen, sulfur, selenium or tellurium) or to plural chalcogens which are bonded directly to each other.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 645]    645Plural sulfonyl groups bonded directly to same amino nitrogen (e.g., sulfonylaminosulfonyl, etc.)
 This subclass is indented under subclass 573.  Compounds in which at least two sulfonyl groups are bonded directly to the same amino nitrogen, e.g.,

Image 1 for class 534 subclass 645

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

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[List of Patents for class 534 subclass 646]    646Sulfonyl and carbonyl bonded directly to the same amino nitrogen (e.g., sulfonylaminocarbonyl, etc.)
 This subclass is indented under subclass 573.  Compounds in which sulfonyl and carbonyl are both bonded directly to the same amino nitrogen,

Image 1 for class 534 subclass 646

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

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[List of Patents for class 534 subclass 647]    647Plural amino nitrogens bonded directly to the same sulfonyl (e.g., aminosulfonylamino, etc.)
 This subclass is indented under subclass 573.  Compounds in which at least two amino nitrogens are bonded directly to the same sulfonyl group; e.g.,N--N, etc.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 648]    648Alkyl, having at least eight carbons specified, or plural alkyl chains, each having at least five carbons specified, bonded directly to a ring, which ring is attached directly or indirectly to an acyclic carbon chain, which chain is bonded directly to a urea or carboxamide nitrogen that is between the chain and an additional ring
 This subclass is indented under subclass 573.  Compounds wherein an alkyl chain, which has at least eight carbons specified, or plural alkyl chains, each of which has at least five carbons specified, is bonded directly to a ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 649]    649Alkyl chain having at least eight carbons specified bonded directly to a ring
 This subclass is indented under subclass 573.  Compounds wherein an alkyl chain which has at least eight carbons specified is bonded directly to a ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 650]    650Sulfonyl or -C(=X)-, wherein X is chalcogen, between a ring and an alkyl chain having at least eight carbons specified
 This subclass is indented under subclass 573.  Compounds which contain a group or a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium), between a ring and an alkyl chain which has at least eight carbons specified.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 651]    651The sulfonyl or -C(=X)- is bonded directly to the ring
 This subclass is indented under subclass 650.  Compounds in which the sulfonyl group or the -- group is bonded directly the ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 652]    652Formazan containing (i.e., HNH-N=CH-N=NH, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 573.  Compounds which contain the formazan group, i.e., -N=-N=N-.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 653]    653Polycyclo carbocyclic ring system having at least three cyclos
 This subclass is indented under subclass 573.  Compounds which contain a polycyclo carbocyclic ring system having at least three cyclos.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 654]    654The polycyclo ring system consists of three six-membered cyclos and has plural oxygens bonded directly thereto
 This subclass is indented under subclass 653.  Compounds in which the polycyclo carbocyclic ring system consists of three six-membered cyclos and has plural oxygens bonded directly to it.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 655]    655Hetero ring containing
 This subclass is indented under subclass 654.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 656]    656At least two such ring systems having plural oxygens bonded directly thereto
 This subclass is indented under subclass 654.  Compounds which contain at least two polycyclo carbocyclic ring systems consisting of three six-membered cyclos, each having plural oxygens bonded directly to it.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 657]    657The polycyclo ring system has no azo group bonded directly thereto
 This subclass is indented under subclass 653.  Compounds wherein the polycyclo ring system has no direct bond to any azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 658]    658Chalcogen double bonded directly to the polycyclo ring system
 This subclass is indented under subclass 653.  Compounds in which chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is double bonded directly to the polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 659]    659Bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring (e.g., indane, etc.)
 This subclass is indented under subclass 573.  Compounds which contain a bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring, ( i.e., the structure below) which may contain double bonds between its members.

Image 1 for class 534 subclass 659

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

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[List of Patents for class 534 subclass 660]    660Hydroxy and carbonyl of -COO- bonded directly to a monocyclic benzene ring (H or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal)
 This subclass is indented under subclass 573.  Compounds in which -OH and the carbon of a --O- group are both bonded directly to the same monocyclic benzene ring, wherein -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 660

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[List of Patents for class 534 subclass 661]    661Heavy metal or aluminum containing
 This subclass is indented under subclass 660.  Compounds which include aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 662]    662Hetero ring containing
 This subclass is indented under subclass 661.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 663]    663Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 661.  Compounds wherein at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 664]    664Hetero ring containing
 This subclass is indented under subclass 660.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 665]    665Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos
 This subclass is indented under subclass 664.  Compounds wherein an azo group is bonded directly to a hetero ring or to a polycyclo ring system which contains a hetero ring as one of the cyclos.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 666]    666At least three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 660.  Compounds in which at least three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 667]    667Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto
 This subclass is indented under subclass 666.  Compounds which contain at least two monocyclic benzene rings, each of which has an -OH group and a -COO- group bonded directly to it.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 668]    668Additional monocyclic benzene ring having plural hydroxy groups, hydroxy and nitrogen, or plural nitrogens bonded directly thereto, wherein the nitrogen is other than as nitro, nitroso or azo
 This subclass is indented under subclass 666.  Compounds which contain an additional monocyclic benzene ring which has either plural hydroxy groups, hydroxy and nitrogen, or plural nitrogens bonded directly to it; wherein the nitrogen is other than as nitro, nitroso or azo.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 669]    669Additional -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 666.  Compounds which contain an additional -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 670]    670Two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 660.  Compounds in which two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 671]    671Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 670.  Compounds which contain a --OH group bonded directly to carbon, wherein H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 672]    672Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto
 This subclass is indented under subclass 671.  Compounds which contain at least two monocyclic benzene rings, each of which has an -OH group and a -COO- group bonded directly to it.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 673]    673Additional -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 671.  Compounds which contain an additional -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 674]    674Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 660.  Compounds which contain a --OH group bonded directly to carbon, wherein -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 675]    675Azo attached indirectly to the monocyclic benzene ring by nonionic bonding
 This subclass is indented under subclass 674.  Compounds in which the azo group is attached indirectly to the monocyclic benzene ring by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 676]    676Plural -HNH groups or -OH and -HNH bonded directly to a monocyclic benzene ring (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 573.  Compounds wherein at least two -NH2 groups or a -NH2 group and an -OH group are bonded directly to a monocyclic benzene ring; wherein -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 677]    677Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 676.  Compounds in which at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 678]    678Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 677.  Compounds which contain a --OH group bonded directly to carbon, wherein -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 679]    679Plural monocyclic benzene rings, each having -OH and -HNH or plural -HNH groups bonded directly thereto
 This subclass is indented under subclass 678.  Compounds which contain at least two of the monocyclic rings, each of which has plural -NH2 groups or a -NH2 group and an -OH group bonded directly to it.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 680]    680Exactly three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 678.  Compounds in which exactly three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 681]    681Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 676.  Compounds which contain a --OH group bonded directly to carbon wherein H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 682]    682Plural hydroxy groups or esters thereof bonded directly to a monocyclic benzene ring (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or metal)
 This subclass is indented under subclass 573.  Compounds wherein at least two -OH groups or esters thereof are bonded directly to a monocyclic benzene ring; wherein the -H of the -OH may be replaced by a substituted or unsubstituted ammonium ion, a metal or an ester radical.
(1) Note. Examples of compound provided for herein are:

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[List of Patents for class 534 subclass 683]    683Azo bonded directly to the benzene ring
 This subclass is indented under subclass 682.  Compounds wherein the benzene ring is bonded directly to an azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 684]    684Heavy metal or aluminum containing
 This subclass is indented under subclass 683.  Compounds which contain aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 685]    685At least three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 683.  Compounds in which at least two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 686]    686Hetero ring containing
 This subclass is indented under subclass 685.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 687]    687Plural monocyclic benzene rings, each having plural hydroxy groups or esters thereof bonded directly thereto
 Compounds undersubclass 685 which contain at least two of the monocyclic benzene rings, each of which has plural -OH groups or esters thereof, bonded directly to it.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 688]    688Two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 683.  Compounds wherein exactly two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 689]    689Stilbene containing
 This subclass is indented under subclass 573.  Compounds which contain the [see Fig. 1] group, wherein only hydrogen may be replaced.

FIGURE 1

FIGURE 1

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

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[List of Patents for class 534 subclass 690]    690Heavy metal or aluminum containing
 This subclass is indented under subclass 689.  Compounds which contain aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 691]    691Hetero ring containing
 This subclass is indented under subclass 689.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 692]    692Heavy metal or aluminum containing
 This subclass is indented under subclass 573.  Compounds which contain aluminum or a metal with a specific gravity greater than four.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
  
[List of Patents for class 534 subclass 693]    693Amine salt
 This subclass is indented under subclass 692.  Compounds which are amine added salts of the metal containing azo compound.
(1) Note. Examples of compounds provided for herein is:

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[List of Patents for class 534 subclass 694]    694Arsenic containing
 This subclass is indented under subclass 692.  Compounds which contain arsenic.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 695]    695Azo moiety and moiety which contains acyclic -CH=N- group bonded to the same metal
 This subclass is indented under subclass 692.  Compouonds wherein a moiety having an azo group and a moiety having an acyclic chain which contains an azomethine group, i.e., -CH=N, are bonded directly to the same metal.
(1) Note. An example of a compound provided for herein is:
  
[List of Patents for class 534 subclass 696]    696Diverse azo moieties bonded to the same metal
 This subclass is indented under subclass 692.  Compounds wherein azo moieties from different and distinct azo compounds are bonded to the same metal.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 697]    697Hetero ring containing
 This subclass is indented under subclass 696.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 698]    698Hetero ring in each azo moiety
 This subclass is indented under subclass 697.  Compounds wherein each of the azo moieties contains a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 699]    699Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 696.  Compounds in which at least two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 700]    700Azo bonded directly to an acyclic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom
 This subclass is indented under subclass 692.  Compounds in which an azo group is bonded directly to an acyclic carbon, which carbon is additionally bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom.
(1) Note. The term "reactive methylene" is used to describe the acyclic carbon to which the azo group and other two carbons are bonded.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 701]    701Hetero ring containing
 This subclass is indented under subclass 692.  Compounds which contain a hetero ring.
(1) Note. Arsenic is considered a metal for the purpose of this subclass.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 702]    702Polycyclo ring system containing the hetero ring as one of the cyclos
 This subclass is indented under subclass 701.  Compounds wherein the hetero ring 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 534 subclass 703]    703Azo bonded directly to the polycyclo ring system
 This subclass is indented under subclass 702.  Compounds in which an azo group is bonded directly to the polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 704]    704The azo group is attached indirectly in the same azo moiety to an additional azo group or to an acyclic chain which contains a -CH=N- group by nonionic bonding
 This subclass is indented under subclass 703.  Compounds wherein the azo group is attached indirectly within the same azo moiety by nonionic bonding to either an additional azo group or an acyclic chain which contains a azomethine group; i.e., -CH=N-.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 705]    705Plural ring nitrogens in the polycyclo ring system
 This subclass is indented under subclass 703.  Compounds wherein the polycyclo ring system contains at least two ring nitrogens.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 706]    706Quinoline or isoquinoline containing (including hydrogenated)
 This subclass is indented under subclass 703.  Compounds which contain a bicyclo ring system having either of the following structures, which may contain double bonds between ring members:

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

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[List of Patents for class 534 subclass 707]    707Azo bonded directly to the hetero ring
 This subclass is indented under subclass 701.  Compounds in which the hetero ring is bonded directly to an azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 708]    708At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 707.  Compounds in which at least three azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 709]    709Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 707.  Compounds in which two azo groups in the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 710]    710Pyrazole (including hydrogenated)
 This subclass is indented under subclass 707.  Compounds which contain a hetero ring having the following structure, which may contain double bonds between ring members:

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

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[List of Patents for class 534 subclass 711]    711Sulfonyl bonded directly to a ring
 This subclass is indented under subclass 710.  Compounds wherein a sulfonyl group, i.e., --, is bonded directly to a ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 712]    712Additional chalcogen bonded directly to the sulfonyl
 This subclass is indented under subclass 711.  Compounds wherein an additional chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to the sulfonyl group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 713]    713Benzene ring containing
 This subclass is indented under subclass 692.  Compounds which contain a benzene ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 714]    714At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 713.  Compounds in which at least three azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 715]    715Plural monocyclic benzene rings attached directly to each other by nonionic bonding and are between azo groups
 This subclass is indented under subclass 714.  Compounds wherein between two azo groups are at least two monocyclic benzene rings which are attached directly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 716]    716Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 713.  Compounds in which two azo groups within the same azo moiety are attached indirectly to each other by nonionic bonding.
(1) Note. The term "azo moiety" as used herein is intended to include singularly each of the azo compounds which complex with a heavy metal in the formation of a sandwich-type compound.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 717]    717Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 716.  Compounds which contain a -C- group, wherein X is chalcogen (i.e.,oxygen, sulfur, selenium or tellurium.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 718]    718Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups
 This subclass is indented under subclass 717.  Compounds where in between the azo groups are at least two monocylcic benzene rings which are attached directly or indirectly to each other by acyclic nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 719]    719Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups
 This subclass is indented under subclass 716.  Compounds wherein between the azo groups are at least two monocyclic benzene rings which are attached directly or indirectly to each other by acyclic nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 720]    720Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 713.  Compounds which contain a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium, or tellurium).
(1) Note. An example of a comound provided for herein is:

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[List of Patents for class 534 subclass 721]    721Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)
 This subclass is indented under subclass 720.  Compounds wherein nitrogen is bonded directly to the -- group; i.e., --N.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 722]    722Plural bicyclo carbocyclic ring systems bonded directly to the azo group
 This subclass is indented under subclass 713.  Compounds wherein plural bicyclo carbocyclic ring systems are bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 723]    723Sulfonyl bonded directly to amino nitrogen (e.g., sulfonamide, etc.)
 This subclass is indented under subclass 713.  Compounds in which amino nitrogen is bonded directly to a sulfonyl group; i.e., N .
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 724]    724Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of -OH may be replaced by the ammonium ion or a metal)
 This subclass is indented under subclass 713.  Compounds which contain a --OH group bonded directly to carbon, wherein H of the -OH may be replaced by theammonium ion or a metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 725]    725Amino nitrogen containing
 This subclass is indented under subclass 724.  Compounds which contain an amino nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 726]    726Boron or silicon containing
 This subclass is indented under subclass 573.  Compounds which contain boron or silicon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 727]    727Phosphorus attached indirectly to an azo group by nonionic bonding
 This subclass is indented under subclass 573.  Compounds wherein phosphorus is attached indirectly to an azo group by nonionic bonding.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 728]    728Amine salt
 This subclass is indented under subclass 573.  Compounds which are amine addition salts of an azo compound.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 729]    729Chain containing at least fifteen alkylene oxide groups
 This subclass is indented under subclass 573.  Compounds which contain a chain composed of a least fifteen alkylene oxide groups.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 730]    730Sulfonic acid ester group containing
 This subclass is indented under subclass 573.  Compounds which contain a sulfonic acid ester radical; i.e., ---O-- .
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 731]    731Hetero ring containing
 This subclass is indented under subclass 730.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 732]    732Nitrogen, other than as azo, and chalcogen or -C(=X)X- bonded directly to a -C(=X)- group, wherein the X's may be the same or diverse chalcogens (e.g., carbamic, allophanic, etc.)
 This subclass is indented under subclass 573.  Compounds wherein nitrogen, other than as azo, and chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or nitrogen, other than as azo, and --X, wherein the X"s may be the same or diverse chalcogens, are bonded directly to the same -- group; e.g., -N--O-, -N---O-, etc.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 733]    733Hetero ring containing
 This subclass is indented under subclass 732.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 734]    734Halogen bonded directly to sulfur or to a -C(=X)- group, wherein X is chalcogen
 This subclass is indented under subclass 573.  Compounds wherein halogen is bonded directly to sulfur or to a -- group, wherein X is chalcogen, (i.e., oxygen, sulfur, selenium or tellurium); e.g., -S-halo, --halo, etc.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 735]    735Containing acyclic -XCN or -NCX, wherein X is chalcogen (e.g., thiocyanato, isocyanato, etc.)
 This subclass is indented under subclass 573.  Compounds which contain an acyclic -XCN or -NCX 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 534 subclass 736]    736Thiosulfuric acid group containing (-S-(O=)S(=O)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal)
 This subclass is indented under subclass 573.  Compounds which contain a -S--OH group bonded directly to carbon, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 737]    737Cyano and carbon bonded directly to acyclic nitrogen
 This subclass is indented under subclass 573.  Compounds in which carbon and a cyano group are both bonded directly to the same acyclic nitrogen atom, i.e., ---C=N.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 738]    738Acyclic chain which contains -CH=N- (substitution may be made for hydrogen only)
 This subclass is indented under subclass 573.  Compounds in which an acyclic chain contains a -CH=N group, wherein substitution may be made for hydrogen only.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 739]    739Azo bonded directly to an acylic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom
 This subclass is indented under subclass 573.  Compounds in which an azo group is bonded directly to an acyclic carbon, which carbon is additionally bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom.
(1) Note. The term "reactive methylene" is used in reference to the acyclic carbon to which azo group and other two carbons are bonded.
(2) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 740]    740Hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
 This subclass is indented under subclass 739.  Compounds in which a hetero ring or a polycyclo ring system which contains a hetero ring as one of the cyclos is bonded directly to an azo group.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 741]    741Hetero ring attached indirectly to an azo group by nonionic bonding
 This subclass is indented under subclass 739.  Compounds in which a hetero ring is attached indirectly to an azo group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 742]    742The acyclic carbon, to which the other two acyclic carbons are bonded, is between the hetero ring and the azo group
 This subclass is indented under subclass 741.  Compounds wherein the acyclic carbon, to which the other two cyclic carbons are bonded, is between the hetero ring and the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 743]    743At least three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 739.  Compounds in which at least three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 744]    744Two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 739.  Compounds in which exactly two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 745]    745Each azo group is bonded directly to an acyclic carbon which is bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom
 This subclass is indented under subclass 744.  Compounds in which each of the two azo groups is bonded directly to an acyclic carbon, which carbon is additionally bonded directly to two acyclic carbons, each of which is double or triple bonded to an atom.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 746]    746Plural benzene rings bonded directly to each other and are between the azo groups
 This subclass is indented under subclass 745.  Compounds wherein between the azo groups are at least two benzene rings which are bonded directly to each other.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 747]    747Each benzene ring is bonded directly to an azo group
 This subclass is indented under subclass 746.  Compounds wherein each of the benzene rings is bonded directly to an azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 748]    748Plural amino nitrogens bonded directly to a benzene ring which is between the azo groups
 This subclass is indented under subclass 745.  Compounds wherein between the azo groups is a benzene ring to which at least two amino nitrogens are bonded directly.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 749]    749Sulfonyl bonded directly to nitrogen
 This subclass is indented under subclass 739.  Compounds in which sulfonyl is bonded directly to nitrogen, i.e., --N .
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 750]    750Having -C(=X)-, wherein X is chalcogen, attached indirectly by nonionic bonding to the acyclic carbon to which the other two acyclic carbons are bonded
 This subclass is indented under subclass 739.  Compounds wherein a -C- group, in which X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium), is attached indirectly by nonionic bonding to the acyclic carbon to which the other two acyclic carbons are bonded.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 751]    751Hetero ring containing
 This subclass is indented under subclass 573.  Compounds which contain a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 752]    752Polycyclo ring system having a hetero atom shared by at least two rings or at least two hetero atoms which are not members of the same ring
 This subclass is indented under subclass 751.  Compounds which contain a polycyclo ring system having at least two hetero atoms which are not members of the same ring or having a hetero atom which is shared by at least two rings of the polycyclo ring system.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 753]    753Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos
 This subclass is indented under subclass 751.  Compounds in which an azo group is bonded direclty to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos.
  
[List of Patents for class 534 subclass 754]    754At least three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 753.  Compounds wherein at least three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 755]    755Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
 This subclass is indented under subclass 754.  Compounds in which an additional hetero ring or an additional polycyclo ring system having a hetero ring as one of the cyclos is bonded directly to an azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 756]    756Two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 753.  Compounds in which two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 757]    757Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
 This subclass is indented under subclass 756.  Compounds in which an additional hetero ring or an additional polycyclo ring system having a hetero ring as one of the cyclos is bonded directly to an azo group.
(1) Noted. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 758]    758Both hetero rings or polycyclo ring systems are between the azo groups
 This subclass is indented under subclass 757.  Compounds wherein between the azo groups are both hetero rings or both polycyclo ring systems.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 759]    759Plural monocyclic benzene rings, each bonded directly to an azo group, are between the azo groups
 This subclass is indented under subclass 757.  Compounds wherein between the azo groups are plural monocyclic benzene rings, each of which is bonded directly to an azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 760]    760The benzene rings are bonded directly to each other
 This subclass is indented under subclass 759.  Compounds in which the benzene rings are bonded directly to each other.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 761]    761Both azo groups are bonded directly to the hetero ring or to the polycyclo ring system
 This subclass is indented under subclass 756.  Compounds in which both azo groups are bonded directly to the same hetero ring or to the same polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 762]    762Polycyclo ring system having at least three cyclos, at least one of which is a hetero ring
 This subclass is indented under subclass 756.  Compounds which contain a polycyclo ring system having at least three cyclos, at least one of which is a hetero ring.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 763]    763Bicyclo carbocyclic ring system
 This subclass is indented under subclass 756.  Compounds which contain a bicyclo carbocyclic ring system.
(1) Note. An example of a compound provided for here is:

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[List of Patents for class 534 subclass 764]    764Additional ring bonded directly to the hetero ring or to the polycyclo ring system
 This subclass is indented under subclass 756.  Compounds in which an additional ring is bonded directly to the hetero ring or to the polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 765]    765Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to the azo group
 This subclass is indented under subclass 753.  Compounds in which an additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos is bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 766]    766The hetero ring is six-membered and contains nitrogen (e.g., pyridine, etc.)
 This subclass is indented under subclass 765.  Compounds wherein the hetero ring is six-membered and contains nitrogen, e.g., pyridine, morpholine, etc.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 767]    767The hetero ring contains at least two nitrogens (e.g., pyrimidine, etc.)
 This subclass is indented under subclass 766.  Compounds wherein the hetero ring contains at least two nitrogens, e.g., pyrimidine, triazine, etc.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 768]    768The hetero ring is in a bicyclo ring system (e.g., quinoline, benzomorpholine, etc.)
 This subclass is indented under subclass 766.  Compounds wherein the hetero ring is one of the cyclos in a bicyclo ring system, e.g., quinoline, benzomorpholine, etc.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 769]    769Pyrazole (including hydrogenated)
 This subclass is indented under subclass 765.  Compounds which contain a hetero ring having the following structure, which may contain double bonds between ring members:
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 770]    770The hetero ring is six-membered and consists of one nitrogen and five carbons (e.g., pyridine, etc.)
 This subclass is indented under subclass 753.  Compounds wherein the hetero ring is six-membered and consists of one nitrogen and five carbons, e.g., pyridine, etc.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 771]    771Acyclic oxygen bonded directly to the hetero ring
 This subclass is indented under subclass 770.  Compounds in which acyclic oxygen is bonded directly to the hetero ring.
(1) Note. Examples of compounds provided for herein are:

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[List of Patents for class 534 subclass 772]    772Plural acyclic chalcogens bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen
 This subclass is indented under subclass 771.  Compounds wherein at least two acyclic chalcogens, (i.e., oxygen, sulfur, selenium or tellurium) are bonded directly to the hetero ring at the two positions which are adjacent to the ring in nitrogen.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 773]    773Plural acyclic nitrogens, other than as nitro, nitroso or azo, bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen
 This subclass is indented under subclass 770.  Compounds wherein at least two acyclic nitrogens are bonded directly to the hetero ring at the two positions which are adjacent to the ring nitrogen; the nitrogens are other than as nitro, nitroso or azo.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 774]    774Additional hetero ring attached indirectly to the azo group by nonionic bonding
 This subclass is indented under subclass 753.  Compounds in which an additional hetro ring is attached indirectly to the azo group by nonionic bonding.
(1) Note. Example of compounds provided for herein are:

Image 1 for class 534 subclass 774

  
[List of Patents for class 534 subclass 775]    775The additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to a ring, which ring is between the azo group and the additional hetero ring
 This subclass is indented under subclass 774.  Compounds wherein the additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to a ring, which ring is between the azo group and the additional hetero ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 775

Image 2 for class 534 subclass 775

  
[List of Patents for class 534 subclass 776]    776A ring and the additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos are bonded directly to the same nitrogen
 This subclass is indented under subclass 774.  Compounds wherein a ring and the additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos are both bonded directly to the same nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 776

  
[List of Patents for class 534 subclass 777]    777The additional hetero ring or a polycyclo ring system which contains the additional hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the azo group and the additional hetero ring
 This subclass is indented under subclass 774.  Compounds wherein the additional hetero ring or a polycyclo ring system which contains the hetero ring as one the cyclos is bonded directly to an alkylene chain, which chain is between the azo group and the additional hetero ring.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 777

Image 2 for class 534 subclass 777

  
[List of Patents for class 534 subclass 778]    778Bicyclo carbocyclic ring system bonded directly to the azo group
 This subclass is indented under subclass 753.  Compounds in which a bicyclo carbocyclic ring system is bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 778

  
[List of Patents for class 534 subclass 779]    779The bicyclo carbocyclic ring system is between the azo group and an additional carbocyclic ring
 This subclass is indented under subclass 778.  Compounds wherein the bicyclo ring system is between the azo group and an additional carbocyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 779

  
[List of Patents for class 534 subclass 780]    780Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal)
 This subclass is indented under subclass 778.  Compounds which contain a --OH group bonded directly to carbon, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 780

  
[List of Patents for class 534 subclass 781]    781Sulfonic acid group containing (-(O=)S(=O)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 753.  Compounds which contain a --OH group bonded directly to carbon wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 781

  
[List of Patents for class 534 subclass 782]    782The hetero ring is one of the cyclos in a polycyclo ring system
 This subclass is indented under subclass 781.  Compounds wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 782

  
[List of Patents for class 534 subclass 783]    783Additional sulfonyl containing
 This subclass is indented under subclass 781.  Compounds which contain an additional -- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 783

  
[List of Patents for class 534 subclass 784]    784Plural sulfonic acid groups
 This subclass is indented under subclass 783.  Compounds which contain at least two --OH groups bonded directly to carbon.
(1) Note. An example of a compound provided herein is:

Image 1 for class 534 subclass 784

  
[List of Patents for class 534 subclass 785]    785Containing acyclic -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 781.  Compounds which contain an acyclic -- group, 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 534 subclass 785

  
[List of Patents for class 534 subclass 786]    786The -C(=X)- is bonded directly to nitrogen
 This subclass is indented under subclass 785.  Compounds in which the -- group is bonded directly to nitrogen, i.e., --N .
  
[List of Patents for class 534 subclass 787]    787The hetero ring is one of the cyclos in a polycyclo ring system
 This subclass is indented under subclass 753.  Compounds wherein the hetero ring is one of the cyclos of a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 787

  
[List of Patents for class 534 subclass 788]    788The hetero ring consists of sulfur, nitrogen and carbon (e.g., benzothiazole, etc.)
 This subclass is indented under subclass 787.  Compounds wherein the hetero ring consists of sulfur, nitrogen and carbon, e.g., benzothlazole, etc.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 788

  
[List of Patents for class 534 subclass 789]    789Chalcogen double bonded directly to the hetero ring
 This subclass is indented under subclass 787.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is double bonded directly to the hetero ring.
  
[List of Patents for class 534 subclass 790]    790The hetero ring is five-membered and consists of one nitrogen and four carbons (e.g., indole, etc.)
 This subclass is indented under subclass 787.  Compounds wherein heter ring is five-membered and consists of one nitrogen and four carbons; e.g., indole, etc.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 790

  
[List of Patents for class 534 subclass 791]    791Carbocyclic ring bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring
 This subclass is indented under subclass 753.  Compounds in which a carbocyclic ring is bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring.
  
[List of Patents for class 534 subclass 792]    792Pyrazole containing (including hydrogenated)
 This subclass is indented under subclass 791.  Compounds which contain a hetero ring having the following structure, which may contain double bonds between ring members:

Image 1 for class 534 subclass 792

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

Image 2 for class 534 subclass 792

  
[List of Patents for class 534 subclass 793]    793Sulfonyl containing
 This subclass is indented under subclass 792.  Compounds which contain a -- group.
(1) Note. An example of compound provided for herein is:

Image 1 for class 534 subclass 793

  
[List of Patents for class 534 subclass 794]    794Carbocyclic ring attached indirectly to the azo group by nonionic bonding
 This subclass is indented under subclass 753.  Compounds wherein a carbocyclic ring is attached indirectly to the azo group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 794

  
[List of Patents for class 534 subclass 795]    795The hetero ring is five-membered and contains at least one atom each of sulfur, nitrogen and carbon
 This subclass is indented under subclass 753.  Compounds in which the hetero ring is five-membered and contains at least one atom each of each of sulfur, nitrogen, and carbon.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 796]    796At least three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 751.  Compounds in which at least three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 796

  
[List of Patents for class 534 subclass 797]    797Two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 751.  Compounds in which two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 797

  
[List of Patents for class 534 subclass 798]    798Plural carbocyclic rings bonded directly to the azo group
 This subclass is indented under subclass 751.  Compounds in which plural carbocyclic rings are attached directly to the azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 798

  
[List of Patents for class 534 subclass 799]    799The hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to one of the carbocyclic rings or to a bicyclo ring system which contains the carbocyclic ring as one of the cylcos
 This subclass is indented under subclass 798.  Compounds wherein the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to one of the carbocyclic rings or to a bicyclo ring system which contains the carbocyclic ring as one of the cyclos.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 799

  
[List of Patents for class 534 subclass 800]    800The hetero ring is one of the cyclos in a polycyclo ring system
 This subclass is indented under subclass 799.  Compounds in which the hetero ring is one of the cyclos in a polycyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 800

  
[List of Patents for class 534 subclass 801]    801The carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are bonded directly to the same carboxamide group
 This subclass is indented under subclass 798.  Compounds wherein the carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are both bonded directly to the same carboxamide group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 801

  
[List of Patents for class 534 subclass 802]    802The carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are bonded directly to the same nitrogen atom
 This subclass is indented under subclass 798.  Compounds wherein the carbocyclic ring or a bicyclo ring system which contains the carbocyclic ring as one of the cyclos and the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos are bonded directly to the same nitrogen atom.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 802

  
[List of Patents for class 534 subclass 803]    803The hetero ring is six-membered and contains at least two nitrogens
 This subclass is indented under subclass 802.  Compounds in which the hetero ring is six-membered and contains at least two nitrogens.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 803

  
[List of Patents for class 534 subclass 804]    804The hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the hetero ring and the carbocyclic ring
 This subclass is indented under subclass 798.  Compounds wherein the hetero ring or a polycyclo ring system which contains the hetero ring as one of the cyclos is bonded directly to an alkylene chain, which chain is between the hetero ring and the carbocyclic ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 804

  
[List of Patents for class 534 subclass 805]    805Exactly five or exactly six azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 573.  Compounds wherein exactly five or exactly six azo groups are attached indirectly to each other by nonionic bonding.
  
[List of Patents for class 534 subclass 806]    806Exactly four azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 573.  Compounds in which exactly four azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 806

  
[List of Patents for class 534 subclass 807]    807Plural nitrogens bonded directly to the same -C(=X)- group, wherein X is chalcogen (e.g., urea, thiourea, etc.)
 This subclass is indented under subclass 806.  Compounds wherein plural nitrogens are bonded directly to the same N-- Ngroup, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium), e.g., N-- N.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 807

  
[List of Patents for class 534 subclass 808]    808Benzidine containing
 This subclass is indented under subclass 806.  Compounds which contain the group [see Fig. 1], wherein the benzene rings may be further substituted.

FIGURE 1.

FIGURE 1.

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

Image 2 for class 534 subclass 808

  
[List of Patents for class 534 subclass 809]    809Exactly three azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 573.  Compounds in which exactly three azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 809

  
[List of Patents for class 534 subclass 810]    810Containing -C(=X)-, wherein X, is chalcogen or nitrogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 809.  Compounds which contain a -- group, wherein X is nitrogen or chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 810

  
[List of Patents for class 534 subclass 811]    811Nitrogen single bonded directly to the -C(=X)- group (e.g., carboxamide, guanyl, etc.)
 This subclass is indented under subclass 810.  Compounds wherein the -- is part of a N-- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 811

  
[List of Patents for class 534 subclass 812]    812Plural -C(=X)- groups containing
 This subclass is indented under subclass 811.  Compounds which contain at least two of the -- groups.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 813]    813Benzidine containing
 This subclass is indented under subclass 809.  Compounds which contain the group [see Fig. 1], wherein the benzene rings may be further substituted.

FIGURE 1.

FIGURE 1.

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

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[List of Patents for class 534 subclass 814]    814Hydroxy and nitrogen, other than as nitro, nitroso or azo, bonded directly to the same bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 813.  Compounds in which both hydroxy and nitrogen are bonded directly to the same bicyclo ring system; wherein the nitrogen is other than as a nitro, nitroso or azo group and the H or hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 814

  
[List of Patents for class 534 subclass 815]    815Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 809.  Compounds wherein -OH is bonded directly to a bicyclo ring system, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 815

  
[List of Patents for class 534 subclass 816]    816Exactly two azo groups attached indirectly to each other by nonionic bonding
 This subclass is indented under subclass 573.  Compounds in which exactly two azo groups are attached indirectly to each other by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 816

  
[List of Patents for class 534 subclass 817]    817Plural benzene rings bonded directly to the same urea or thiourea group and are between the azo groups
 This subclass is indented under subclass 816.  Compounds wherein between the azo groups are at least two benzene rings which are bonded directly to the same urea or thiourea group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 817

  
[List of Patents for class 534 subclass 818]    818Bicyclo ring system containing
 This subclass is indented under subclass 817.  Compounds which contain a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 818

  
[List of Patents for class 534 subclass 819]    819Plural benzene rings bonded directly to the same carboxamide or sulfonamide group and are between the azo groups
 This subclass is indented under subclass 816.  Compounds wherein between the azo groups are at least two benzene rings which are bonded directly to the same carboxamide or sulfonamide group.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 819

  
[List of Patents for class 534 subclass 820]    820Plural carboxamide groups between the azo groups
 This subclass is indented under subclass 819.  Compounds wherein at least two carboxamide groups are between the azo groups.
(1) Note. An example of a compound provided for herein is:

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[List of Patents for class 534 subclass 821]    821Plural benzene rings bonded directly to the same chalcogen or -C(=X)- group, wherein X is chalcogen, and are between the azo groups
 This subclass is indented under subclass 816.  Compounds wherein between the azo groups are at least two benzene rings which are bonded directly to the same chalcogen (i.e., oxygen, sulfur,selenium or tellurium) or -- group, wherein X is chalcogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 821

  
[List of Patents for class 534 subclass 822]    822Plural benzene rings bonded directly to each other and are between the azo groups
 This subclass is indented under subclass 816.  Compounds wherein between the azo groups are at least two benzene rings which are bonded directly to each other.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 822

  
[List of Patents for class 534 subclass 823]    823Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 822.  Compounds which contain a -- group, 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 534 subclass 823

  
[List of Patents for class 534 subclass 824]    824Nitrogen, other than as nitro, nitroso or azo, attached indirectly to azo by nonionic bonding
 This subclass is indented under subclass 822.  Compounds wherein nitrogen, other than as a nitro, nitroso or azo group, is attached indirectly to azo by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 824

  
[List of Patents for class 534 subclass 825]    825Plural nitrogens, other than as nitro, nitroso or azo, attached indirectly to azo by nonionic bonding
 This subclass is indented under subclass 824.  Compounds wherein at least two nitrogens, other than as nitro, nitroso or azo groups, are attached indirectly to azo by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 825

  
[List of Patents for class 534 subclass 826]    826Plural sulfonic acid groups bonded directly to the same bicyclo ring system (-(O=)S(=O)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 825.  Compounds in which at least two --OH groups are bonded directly to the same bicyclo ring system, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA lighty metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 826

  
[List of Patents for class 534 subclass 827]    827Hydroxy bonded directly to a bicyclo ring system which is between the azo groups (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 816.  Compounds wherein between the azo groups is a bicyclo ring system having -OH bonded directly thereto, wherein H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 827

  
[List of Patents for class 534 subclass 828]    828Plural bicyclo ring systems, each having hydroxy bonded directly thereto
 This subclass is indented under subclass 827.  Compounds which contain at least two bicyclo ring systems, each of which has an -OH group bonded directly thereto.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 828

  
[List of Patents for class 534 subclass 829]    829Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 816.  Compounds which contain a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. An example of a compound provide for herein is:

Image 1 for class 534 subclass 829

  
[List of Patents for class 534 subclass 830]    830Hydroxy and the -C(=X)- are bonded directly to the same bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 829.  Compounds wherein -OH and the -- group are bonded directly to the same bicyclo ring system; wherein H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 830

  
[List of Patents for class 534 subclass 831]    831Plural benzene rings bonded directly to each azo group
 This subclass is indented under subclass 816.  Compounds in which plural benzene rings are bonded directly to each azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 831

  
[List of Patents for class 534 subclass 832]    832At least one of the benzene rings is part of a bicyclo ring system
 This subclass is indented under subclass 831.  Compounds wherein at least one of the benzene rings is part of a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 832

  
[List of Patents for class 534 subclass 833]    833Each of the benzene rings is part of a bicyclo ring system
 This subclass is indented under subclass 832.  Compounds wherein each of the benzene rings is part of a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 833

  
[List of Patents for class 534 subclass 834]    834Hydroxy bonded directly to the bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 832.  Compounds in which -OH is bonded directly to the bicyclo ring system; wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 834

  
[List of Patents for class 534 subclass 835]    835Plural bicyclo ring systems, each having hydroxy bonded directly thereto
 This subclass is indented under subclass 834.  Compounds which contain at least two bicyclo ring systems, each of which has an -OH group bonded directly thereto.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 835

  
[List of Patents for class 534 subclass 836]    836Additional hydroxy or nitrogen, other than as nitro, nitroso or azo, bonded directly to the bicyclo ring system
 This subclass is indented under subclass 834.  Compounds wherein an additional -OH group or nitrogen is bonded directly to the bicyclo ring system, wherein the nitrogen is other than as a nitro, nitroso or azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 836

  
[List of Patents for class 534 subclass 837]    837Sulfonic acid group bonded directly to the bicyclo ring system (-(O=)S(=O) OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 834.  Compounds wherein a --OH group is bonded directly to the bicyclo ring system, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 837

  
[List of Patents for class 534 subclass 838]    838Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding
 This subclass is indented under subclass 573.  Compounds which contain exactly one azo group or more than one azo group if their attachment to each other is by ionic bonding.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 838

  
[List of Patents for class 534 subclass 839]    839Plural benzene rings bonded directly to the azo group
 This subclass is indented under subclass 838.  Compounds wherein plural benzene rings are bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 839

  
[List of Patents for class 534 subclass 840]    840Each of the benzene rings is part of a bicyclo ring system
 This subclass is indented under subclass 839.  Compounds wherein each of the benzene rings is part of a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 840

  
[List of Patents for class 534 subclass 841]    841Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 840.  Compounds which contain a -- group, 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 534 subclass 841

  
[List of Patents for class 534 subclass 842]    842Hydroxy bonded directly at the 2-position of the bicyclo ring system (H of hydroxy may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 840.  Compounds wherein -OH is bonded directly at the 2-position of the bicyclo ring system; wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 842

  
[List of Patents for class 534 subclass 843]    843Each of the benzene rings is monocyclic
 This subclass is indented under subclass 839.  Compounds in which each of the benzene rings is monocyclic, i.e., neither bridged nor fused.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 843

  
[List of Patents for class 534 subclass 844]    844Sulfonyl containing
 This subclass is indented under subclass 843.  Compounds which contain a -- group.
(1) Note. An example of a compoundprovided for herein is:

Image 1 for class 534 subclass 844

  
[List of Patents for class 534 subclass 845]    845Oxygen bonded directly to the sulfonyl group (e.g., sulfonic acid, etc.)
 This subclass is indented under subclass 844.  Compounds which contain a --O- group.
(1) Note. An example of compound provided for herein is:

Image 1 for class 534 subclass 845

  
[List of Patents for class 534 subclass 846]    846Plural oxygens bonded directly to the sulfonyl group (e.g., sulfuric acid, etc.)
 This subclass is indented under subclass 845.  Compounds which contain a -O--O- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 846

  
[List of Patents for class 534 subclass 847]    847The sulfonyl is part of a sulfonamide group (-(O=)S(=O)HNH, wherein substitution may be made for hydrogen only)
 This subclass is indented under subclass 844.  Compounds wherein the sulfonyl is part of a --N group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 847

  
[List of Patents for class 534 subclass 848]    848Containing -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 844.  Compounds which contain a -- group, 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 534 subclass 848

  
[List of Patents for class 534 subclass 849]    849The -C(=X)- is bonded directly to nitrogen, which nitrogen is bonded directly to a ring
 This subclass is indented under subclass 848.  Compounds wherein the X -- group and a ring are both bonded directly to the same nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 849

  
[List of Patents for class 534 subclass 850]    850Containing -C(=X)-, wherein X is chalcogen
 This subclass is indented under subclass 843.  Compounds which contain a -- group, wherein X is chalcogen (i.e., oxygen, sulfur, selenium ortellurium).
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 850

  
[List of Patents for class 534 subclass 851]    851The -C(=X)- is bonded directly to one of the benezene rings
 This subclass is indented under subclass 843.  Compounds in which the -- group is bonded directly to one of the benzene rings.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 851

  
[List of Patents for class 534 subclass 852]    852The -C(=X)- is in a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens
 This subclass is indented under subclass 850.  Compounds in which the -- is in a --X- group, wherein the X"s may be the same or diverse chalcogens (i.e., oxygen, sulfur, selenium or tellurium).
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 852

  
[List of Patents for class 534 subclass 853]    853The -C(=X)X- is in a -C00H group (H of OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 852.  Compounds wherein the --X- is in a --OH group, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for here is:

Image 1 for class 534 subclass 853

  
[List of Patents for class 534 subclass 854]    854Additional -C(=X)- bonded directly to nitrogen, which nitrogen is bonded directly to a ring
 This subclass is indented under subclass 852.  Compounds which contain an additional -C- group, which group and a ring are bonded directly to the same nitrogen.
(1) Note. An example of a compound provided for herein in is:

Image 1 for class 534 subclass 854

  
[List of Patents for class 534 subclass 855]    855Chalcogen, having no direct bond to a ring, attached directly by a single bond to acyclic carbon
 This subclass is indented under subclass 850.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium), which has no direct bond to any ring, is attached by a single bond to acyclic carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 855

  
[List of Patents for class 534 subclass 856]    856Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding
 This subclass is indented under subclass 843.  Compounds wherein nitrogen, other than as nitro or nitroso, is attached indirectly to the azo group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 856

  
[List of Patents for class 534 subclass 857]    857Hydroxy bonded directly to acyclic carbon or carbon chain (H of hydroxy may be replaced by the ammonium ion or Group IA or IIA light metal)
 This subclass is indented under subclass 856.  Compounds wherein -OH is bonded directly to an acyclic carbon or carbon chain, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 857

  
[List of Patents for class 534 subclass 858]    858Plural chalcogens bonded directly to the acyclic carbon or carbon chain
 This subclass is indented under subclass 857.  Compounds wherein an additional chalcogen, (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to the acyclic carbon or carbon chain.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 858

Image 2 for class 534 subclass 858

  
[List of Patents for class 534 subclass 859]    859Chalcogen bonded directly to a ring
 This subclass is indented under subclass 856.  Compounds wherein chalcogen (i.e., oxygen, sulfur, selenium or tellurium) is bonded directly to a ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 859

  
[List of Patents for class 534 subclass 860]    860Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 839.  Compounds which contain an acyclic -- group, 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 534 subclass 860

  
[List of Patents for class 534 subclass 861]    861Hydroxy bonded directly to a bicyclo ring system (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)
 This subclass is indented under subclass 860.  Compounds in which an -OH group is bonded directly to a bicyclo ring system, wherein H of the -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 861

  
[List of Patents for class 534 subclass 862]    862Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)
 This subclass is indented under subclass 861.  Compounds in which nitrogen is bonded directly to the -- group, e.g., carboxamide, etc.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 862

  
[List of Patents for class 534 subclass 863]    863The -C(=X)- is bonded directly to the bicyclo ring system
 This subclass is indented under subclass 862.  Compounds in which the
  
     
 -- group is bonded directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 863

  
[List of Patents for class 534 subclass 864]    864Sulfonyl containing
 This subclass is indented under subclass 863.  Compounds which contain a -- group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 864

  
[List of Patents for class 534 subclass 865]    865Additional acyclic -C(=X)- group
 This subclass is indented under subclass 863.  Compounds which contain an additional acyclic -- group, 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 534 subclass 865

  
[List of Patents for class 534 subclass 866]    866Additional nitrogen bonded directly to the additional -C(=X)- group
 This subclass is indented under subclass 865.  Compounds having at least two groups which contain nitrogen bonded directly to --; e.g., N--.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 866

  
[List of Patents for class 534 subclass 867]    867At least three -C(=X)HNH groups, wherein substitution may be made for hydrogen only
 This subclass is indented under subclass 866.  Compounds which contain at least three N-- groups, wherein the 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 534 subclass 867

  
[List of Patents for class 534 subclass 868]    868Additional amino nitrogen
 This subclass is indented under subclass 863.  Compounds which contain an additional amino nitrogen.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 868

  
[List of Patents for class 534 subclass 869]    869Plural oxygens bonded directly to the same monocyclic benzene ring
 This subclass is indented under subclass 863.  Compounds in which at least two oxygens are bonded directly to the same monocyclic benzene ring.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 869

  
[List of Patents for class 534 subclass 870]    870Halogen, acyclic carbon, the azo group and an additional halogen or acyclic carbon, all bonded directly to the same benzene ring
 This subclass is indented under subclass 863.  Compounds wherein bonded directly to the same benzene ring are the azo group, a halogen, an acyclic carbon and either an additional halogen or an additional acyclic carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 870

  
[List of Patents for class 534 subclass 871]    871Acyclic carbon, carboxamide and chalcogen or an additional acyclic carbon, all bonded directly to the same benzene ring
 This subclass is indented under subclass 863.  Compounds wherein bonded directly to the same benzene ring are an acyclic carbon, a carboxamide group and either chalcogen (i.e., oxygen, sulfur, selenium or tellurium) or an additional acyclic carbon.
(1) Note. Examples of compounds provided for herein are:

Image 1 for class 534 subclass 871

Image 2 for class 534 subclass 871

  
[List of Patents for class 534 subclass 872]    872The nitrogen is additionally bonded directly to the bicyclo ring system
 This subclass is indented under subclass 862.  Compounds in which the nitrogen is bonded additionally directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 872

  
[List of Patents for class 534 subclass 873]    873Additional acyclic -C(=X)- group
 This subclass is indented under subclass 872.  Compounds which contain an additional -- group.
(1) Note. Examples of a compounds provided for herein are:

Image 1 for class 534 subclass 873

Image 2 for class 534 subclass 873

  
[List of Patents for class 534 subclass 874]    874The -C(=X)- is bonded directly to the bicyclo ring system
 This subclass is indented under subclass 861.  Compounds in which the 878 -- group is bonded directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 874

  
[List of Patents for class 534 subclass 875]    875Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding
 This subclass is indented under subclass 839.  Compounds wherein nitrogen, other than as nitro or nitroso, is attached indirectly to the azo group by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 875

  
[List of Patents for class 534 subclass 876]    876Oxygen bonded directly to carbon
 This subclass is indented under subclass 875.  Compounds in which oxygen is bonded directly to carbon.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 876

  
[List of Patents for class 534 subclass 877]    877The nitrogen and the oxygen are bonded directly to the same bicyclo ring system
 This subclass is indented under subclass 876.  Compounds in which the nitrogen and the oxygen are both bonded directly to the same bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 877

  
[List of Patents for class 534 subclass 878]    878Sulfonyl bonded directly to the bicyclo ring system
 This subclass is indented under subclass 877.  Compounds wherein a -- group is bonded directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 878

  
[List of Patents for class 534 subclass 879]    879Plural sulfonyl groups or plural nitrogens bonded directly to the bicyclo ring system
 This subclass is indented under subclass 878.  Compounds in which at least two nitrogens or at least two -- groups are bonded directly to the bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 879

  
[List of Patents for class 534 subclass 880]    880Additional sulfonyl which is attached indirectly to the bicyclo ring system by nonionic bonding
 This subclass is indented under subclass 878.  Compounds which contain an additional -- group, which group is attached indirectly to the bicyclo ring system by nonionic bonding.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 880

  
[List of Patents for class 534 subclass 881]    881Sulfonyl and the nitrogen bonded directly to the same bicyclo ring system
 This subclass is indented under subclass 875.  Compounds wherein the nitrogen and a -- group are both bonded directly to the same bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 881

  
[List of Patents for class 534 subclass 882]    882Oxygen double bonded directly to sulfur
 This subclass is indented under subclass 839.  Compounds in which oxygen is double bonded directly to sulfur, e.g., --, etc..
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 882

  
[List of Patents for class 534 subclass 883]    883Sulfonyl bonded directly to a bicyclo ring system
 This subclass is indented under subclass 882.  Compounds in which a -- group is bonded directly to a bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 883

  
[List of Patents for class 534 subclass 884]    884Plural sulfonyl groups bonded directly to the same bicyclo ring system
 This subclass is indented under subclass 883.  Compounds wherein at least two -- groups are bonded directly to the same bicyclo ring system.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 884

  
[List of Patents for class 534 subclass 885]    885Benzene ring bonded directly to the azo group
 This subclass is indented under subclass 838.  Compounds in which a benzene ring is bonded directly to the azo group.
(1) Note. An example of a compound provided for herein is:

Image 1 for class 534 subclass 885

  
[List of Patents for class 534 subclass 886]    886Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
 This subclass is indented under subclass 838.  Compounds which contain a -- group, 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 534 subclass 886

  
[List of Patents for class 534 subclass 887]    887Purification or recovery
 This subclass is indented under subclass 573.  Processes wherein the azo compound is separated from impurities or from the reaction mixture.
  

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