US Patent Class 534
ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES




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  DF  CLASS NOTES
*  DD  ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)
7  DF  .~ Noble gas containing (i.e., He, Ne, Ar, Kr, Xe, or Rn containing)
10  DF  .~ RADIOACTIVE METAL CONTAINING (At. No. 43, 61 or 84+; or radioactive isotope of another metal)
11  DF  .~.~ Actinide series metal (At. No. 89+)
12  DF  .~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl containing, etc.)
13  DF  .~.~.~.~ The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens
14  DF  .~.~ Technetium containing (At. No. 43; Tc)
15  DF  .~ RARE EARTH METAL CONTAINING (At. No. 21, 39, 57-60 or 62-71)
16  DF  .~.~ Containing -C(=X)X-, wherein the X's are the same or diverse chalcogens
550  DF  .~ Diazoamino (e.g., triazenes, etc.)
551  DF  .~.~ Hetero ring containing
552  DF  .~.~ Chalcogen or additional nitrogen bonded directly to the diazoamino group
553  DF  .~.~ Noncarbon atom double or triple bonded and the diazoamino group bonded directly to the same acyclic carbon
554  DF  .~.~ Plural benzene rings bonded directly to the diazoamino group
555  DF  .~.~ Processes
556  DF  .~ Diazooxide or diazotate (e.g., -N=N-0-, etc.)
557  DF  .~.~ Sulfur attached directly to a ring by nonionic bonding
558  DF  .~ Diazo or diazonium (e.g., -N=N-C, etc.)
559  DF  .~.~ With preservative or stabilizer
560  DF  .~.~ Hetero ring containing
561  DF  .~.~ Plural diazo or diazonium groups
562  DF  .~.~ Heavy metal or aluminum containing
563  DF  .~.~ Polycyclo ring system having at least three cyclos
564  DF  .~.~ Aldehyde or ketone group containing
565  DF  .~.~ Formation of diazonium group
566  DF  .~ Azoxy
567  DF  .~.~ Hetero ring containing
568  DF  .~.~ Azodioxy
569  DF  .~.~ Heavy metal or aluminum containing
570  DF  .~.~ Sulfonic acid group containing (-(0=)S(=O)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
571  DF  .~.~.~ Stilbene containing
572  DF  .~.~ Formation of azoxy group
573  DF  .~ Azo
574  DF  .~.~ Quaternary azo group containing
575  DF  .~.~ Specified crystalline form
576  DF  .~.~ With preservative or stabilizer
577  DF  .~.~ Liquid crystal (e.g., pleochroic, etc.)
578  DF  .~.~ Formation of azo group by oxidative coupling
579  DF  .~.~ Formation of azo group by simultaneous diazotization and coupling
580  DF  .~.~ Formation of azo group from diazoamino group
581  DF  .~.~ Formation of azo group by coupling diazonium compound with coupling component in presence of an additional organic compound
582  DF  .~.~ Formation of azo group by coupling diazonium compound with coupling component at a specified pH range
583  DF  .~.~ Formation 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
584  DF  .~.~ Formation of azo group by coupling diazonium compound with coupling component in other than stoichiometric proportions
585  DF  .~.~ Formation of azo group by reduction of nitro group
586  DF  .~.~ Formation of azo group from group having nitrogen single bonded to nitrogen
587  DF  .~.~ Formation of azo group directly from nitrogen containing compound by process other than diazotization and coupling
588  DF  .~.~ Process utilizing azo compound as reactant
589  DF  .~.~.~ Formation of quaternary ammonium or hydrazinium group
590  DF  .~.~.~ Ring formation
591  DF  .~.~.~ Formation of -C(=X)HNH group, wherein X is chalcogen (substitution may be made for hydrogen only)
592  DF  .~.~.~ Formation of sulfonamide group
593  DF  .~.~.~ Additional reactant containing phosphorus or sulfur
594  DF  .~.~.~.~ Sulfonic acid group formed or added to the azo reactant (-(0=)S(=0)-OH, wherein H of -0H may be replaced by a substituted or unsubstituted ammonium ion or metal)
595  DF  .~.~.~ Formation of -C(=X)X- ester group, wherein the X's may be the same or diverse chalcogens
596  DF  .~.~.~ Etherification of hydroxy group
597  DF  .~.~.~ Replacement of halogen by cyano group
598  DF  .~.~.~ Replacement of halogen by amino nitrogen
599  DF  .~.~.~ Hydrolysis
600  DF  .~.~.~ Reduction of nitro or nitrogen oxide group
601  DF  .~.~.~ Nitration
602  DF  .~.~.~ Metallization of the azo reactant in presence of an additional organic compound
603  DF  .~.~ Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding
604  DF  .~.~.~ Hetero ring containing
605  DF  .~.~.~.~ The pentavalent nitrogen is a ring member
606  DF  .~.~.~.~.~ Azo bonded directly to a hetero ring or to a polycyclo ring system having a hetero ring as one of the cyclos
607  DF  .~.~.~.~.~.~ The hetero ring contains the pentavalent nitrogen
608  DF  .~.~.~.~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
609  DF  .~.~.~.~.~.~.~ Acyclic carbon bonded directly to the azo group
610  DF  .~.~.~.~.~.~.~ Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group
611  DF  .~.~.~.~.~.~.~ The hetero ring is one of the cyclos in a polycyclo ring system
612  DF  .~.~.~.~.~ Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding
613  DF  .~.~.~ Heavy metal or aluminum containing
614  DF  .~.~.~ Plural azo groups attached indirectly to each other by nonionic bonding
615  DF  .~.~.~ Plural nitrogens bonded directly to the same alkylene chain (e.g., diamino alkylene, etc.)
616  DF  .~.~ Nitrogen oxide, other than as nitro or nitroso, containing
617  DF  .~.~ Fiber- or substrate-reactive azo compound
618  DF  .~.~.~ Formazan containing (i.e., HNH-N=CH-N=NH, wherein substitution may be made for hydrogen only)
619  DF  .~.~.~ Heavy metal or aluminum containing
620  DF  .~.~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding
621  DF  .~.~.~.~.~ Stilbene containing
622  DF  .~.~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens
623  DF  .~.~.~.~.~.~ Diverse azo moieties bonded to the same metal
624  DF  .~.~.~.~.~.~ At least two such hetero rings attached indirectly to each other by nonionic bonding
625  DF  .~.~.~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
626  DF  .~.~.~.~.~.~ Chalcogen or carbon bonded directly to the six-membered hetero ring and is between the hetero ring and the azo group
627  DF  .~.~.~.~.~.~ Plural halogens attached directly to the hetero ring by nonionic bonding
628  DF  .~.~.~.~.~.~ Diverse hetero ring containing
629  DF  .~.~.~.~ Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamide, which sulfonyl or sulfonamide is between a ring and the alkylene, alkenyl or alkenylene
630  DF  .~.~.~ Halogen attached directly to a hetero ring or to an alicyclic ring by nonionic bonding
631  DF  .~.~.~.~ Stilbene containing
632  DF  .~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens
633  DF  .~.~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos
634  DF  .~.~.~.~.~ At least two such hetero rings attached indirectly to each other by nonionic bonding
635  DF  .~.~.~.~.~ Additional hetero ring containing
636  DF  .~.~.~.~.~.~ Pyrazole containing (including hydrogenated)
637  DF  .~.~.~.~.~ Plural azo groups attached indirectly to each other by nonionic bonding
638  DF  .~.~.~.~.~ The hetero ring and benzene ring, to which an azo group is bonded directly, bonded directly to the same nitrogen
639  DF  .~.~.~ Aziridine containing (including unsaturated)
640  DF  .~.~.~ Alkylene, alkenyl, alkenylene, alkynyl or alkynylene attached directly or indirectlyto a ring by nonionic bonding
641  DF  .~.~.~.~ Alkylene, alkenyl or alkenylene bonded directly to sulfonyl or sulfonamido, which sulfonyl or sulfonamido is between a ring and the alkylene, alkenyl or alkenylene
642  DF  .~.~.~.~.~ The alkylene, alkenyl or alkenylene and the ring are both bonded directly to the same sulfonyl group
643  DF  .~.~.~.~ Alkylene, 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
644  DF  .~.~.~.~ Alkylene, alkenyl or alkenylene and a ring bonded directly to the same chalcogen or to plural chalcogens which are bonded directly to each other
645  DF  .~.~ Plural sulfonyl groups bonded directly to same amino nitrogen (e.g., sulfonylaminosulfonyl, etc.)
646  DF  .~.~ Sulfonyl and carbonyl bonded directly to the same amino nitrogen (e.g., sulfonylaminocarbonyl, etc.)
647  DF  .~.~ Plural amino nitrogens bonded directly to the same sulfonyl (e.g., aminosulfonylamino, etc.)
648  DF  .~.~ Alkyl, 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
649  DF  .~.~ Alkyl chain having at least eight carbons specified bonded directly to a ring
650  DF  .~.~ Sulfonyl or -C(=X)-, wherein X is chalcogen, between a ring and an alkyl chain having at least eight carbons specified
651  DF  .~.~.~ The sulfonyl or -C(=X)- is bonded directly to the ring
652  DF  .~.~ Formazan containing (i.e., HNH-N=CH-N=NH, wherein substitution may be made for hydrogen only)
653  DF  .~.~ Polycyclo carbocyclic ring system having at least three cyclos
654  DF  .~.~.~ The polycyclo ring system consists of three six-membered cyclos and has plural oxygens bonded directly thereto
655  DF  .~.~.~.~ Hetero ring containing
656  DF  .~.~.~.~ At least two such ring systems having plural oxygens bonded directly thereto
657  DF  .~.~.~ The polycyclo ring system has no azo group bonded directly thereto
658  DF  .~.~.~ Chalcogen double bonded directly to the polycyclo ring system
659  DF  .~.~ Bicyclo carbocyclic ring system consisting of a six-membered ring and a five-membered ring (e.g., indane, etc.
660  DF  .~.~ Hydroxy and carbonyl of -C00- bonded directly to a monocyclic benzene ring (H or hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a metal)
661  DF  .~.~.~ Heavy metal or aluminum containing
662  DF  .~.~.~.~ Hetero ring containing
663  DF  .~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
664  DF  .~.~.~ Hetero ring containing
665  DF  .~.~.~.~ Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos
666  DF  .~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding
667  DF  .~.~.~.~ Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto
668  DF  .~.~.~.~ Additional 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
669  DF  .~.~.~.~ Additional -C(=X)-, wherein X is chalcogen
670  DF  .~.~.~ Two azo groups attached indirectly to each other by nonionic bonding
671  DF  .~.~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
672  DF  .~.~.~.~.~ Plural monocyclic benzene rings, each having hydroxy and carbonyl of -COO- bonded directly thereto
673  DF  .~.~.~.~.~ Additional -C(=X)-, wherein X is chalcogen
674  DF  .~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
675  DF  .~.~.~.~ Azo attached indirectly to the monocyclic benzene ring by nonionic bonding
676  DF  .~.~ Plural -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)
677  DF  .~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
678  DF  .~.~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
679  DF  .~.~.~.~.~ Plural monocyclic benzene rings, each having -OH and -HNH or plural -HNH groups bonded directly thereto
680  DF  .~.~.~.~.~ Exactly three azo groups attached indirectly to each other by nonionic bonding
681  DF  .~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by a substituted or unsubstituted ammonium ion or metal)
682  DF  .~.~ Plural 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)
683  DF  .~.~.~ Azo bonded directly to the benzene ring
684  DF  .~.~.~.~ Heavy metal or aluminum containing
685  DF  .~.~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding
686  DF  .~.~.~.~.~ Hetero ring containing
687  DF  .~.~.~.~.~ Plural monocyclic benzene rings, each having plural hydroxy groups or esters thereof bonded directly thereto
688  DF  .~.~.~.~ Two azo groups attached indirectly to each other by nonionic bonding
689  DF  .~.~ Stilbene containing
690  DF  .~.~.~ Heavy metal or aluminum containing
691  DF  .~.~.~ Hetero ring containing
692  DF  .~.~ Heavy metal or aluminum containing
693  DF  .~.~.~ Amine salt
694  DF  .~.~.~ Arsenic containing
695  DF  .~.~.~ Azo moiety and moiety which contains acyclic -CH=N- group bonded to the same metal
696  DF  .~.~.~ Diverse azo moieties bonded to the same metal
697  DF  .~.~.~.~ Hetero ring containing
698  DF  .~.~.~.~.~ Hetero ring in each azo moiety
699  DF  .~.~.~.~ Plural azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
700  DF  .~.~.~ Azo 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
701  DF  .~.~.~ Hetero ring containing
702  DF  .~.~.~.~ Polycyclo ring system containing the hetero ring as one of the cyclos
703  DF  .~.~.~.~.~ Azo bonded directly to the polycyclo ring system
704  DF  .~.~.~.~.~.~ The 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
705  DF  .~.~.~.~.~.~ Plural ring nitrogens in the polycyclo ring system
706  DF  .~.~.~.~.~.~ Quinoline or isoquinoline containing (including hydrogenated)
707  DF  .~.~.~.~ Azo bonded directly to the hetero ring
708  DF  .~.~.~.~.~ At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
709  DF  .~.~.~.~.~ Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
710  DF  .~.~.~.~.~ Pyrazole (including hydrogenated)
711  DF  .~.~.~.~.~.~ Sulfonyl bonded directly to a ring
712  DF  .~.~.~.~.~.~.~ Additional chalcogen bonded directly to the sulfonyl
713  DF  .~.~.~ Benzene ring containing
714  DF  .~.~.~.~ At least three azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
715  DF  .~.~.~.~.~ Plural monocyclic benzene rings attached directly to each other by nonionic bonding and are between azo groups
716  DF  .~.~.~.~ Two azo groups in the same azo moiety attached indirectly to each other by nonionic bonding
717  DF  .~.~.~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
718  DF  .~.~.~.~.~.~ Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups
719  DF  .~.~.~.~.~ Plural monocyclic benzene rings attached directly or indirectly to each other by acyclic nonionic bonding and are between the azo groups
720  DF  .~.~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
721  DF  .~.~.~.~.~ Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)
722  DF  .~.~.~.~ Plural bicyclo carbocyclic ring systems bonded directly to the azo group
723  DF  .~.~.~.~ Sulfonyl bonded directly to amino nitrogen (e.g., sulfonamide, etc.)
724  DF  .~.~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of -OH may be replaced by the ammonium ion or a metal)
725  DF  .~.~.~.~.~ Amino nitrogen containing
726  DF  .~.~ Boron or silicon containing
727  DF  .~.~ Phosphorus attached indirectly to an azo group by nonionic bonding
728  DF  .~.~ Amine salt
729  DF  .~.~ Chain containing at least fifteen alkylene oxide groups
730  DF  .~.~ Sulfonic acid ester group containing
731  DF  .~.~.~ Hetero ring containing
732  DF  .~.~ Nitrogen, 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.)
733  DF  .~.~.~ Hetero ring cntaining
734  DF  .~.~ Halogen bonded directly to sulfur or to a -C(=X)- group, wherein X is chalcogen
735  DF  .~.~ Containing acyclic -XCN or -NCX, wherein X is chalcogen (e.g., thiocyanato, isocyanato, etc.)
736  DF  .~.~ Thiosulfuric acid group containing (-S-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal)
737  DF  .~.~ Cyano and carbon bonded directly to acyclic nitrogen
738  DF  .~.~ Acyclic chain which contains -CH=N- (substitution may be made for hydrogen only)
739  DF  .~.~ Azo 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
740  DF  .~.~.~ Hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
741  DF  .~.~.~ Hetero ring attached indirectly to an azo group by nonionic bonding
742  DF  .~.~.~.~ The acyclic carbon, to which the other two acyclic carbons are bonded, is between the hetero ring and the azo group
743  DF  .~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding
744  DF  .~.~.~ Two azo groups attached indirectly to each other by nonionic bonding
745  DF  .~.~.~.~ Each 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
746  DF  .~.~.~.~.~ Plural benzene rings bonded directly to each other and are between the azo groups
747  DF  .~.~.~.~.~.~ Each benzene ring is bonded directly to an azo group
748  DF  .~.~.~.~.~ Plural amino nitrogens bonded directly to a benzene ring which is between the azo groups
749  DF  .~.~.~ Sulfonyl bonded directly to nitrogen
750  DF  .~.~.~ Having -C(=X)-, wherein X is chalcogen, attached indirectly by nonionic bonding to the acyclic carbon to which the other two acyclic carbons are bonded
751  DF  .~.~ Hetero ring containing
752  DF  .~.~.~ Polycyclo 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
753  DF  .~.~.~ Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos
754  DF  .~.~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding
755  DF  .~.~.~.~.~ Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
756  DF  .~.~.~.~ Two azo groups attached indirectly to each other by nonionic bonding
757  DF  .~.~.~.~.~ Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group
758  DF  .~.~.~.~.~.~ Both hetero rings or polycyclo ring systems are between the azo groups
759  DF  .~.~.~.~.~.~ Plural monocyclic benzene rings, each bonded directly to an azo group, are between the azo groups
760  DF  .~.~.~.~.~.~.~ The benzene rings are bonded directly to each other
761  DF  .~.~.~.~.~ Both azo groups are bonded directly to the hetero ring or to the polycyclo ring system
762  DF  .~.~.~.~.~ Polycyclo ring system having at least three cyclos, at least one of which is a hetero ring
763  DF  .~.~.~.~.~ Bicyclo carbocyclic ring system
764  DF  .~.~.~.~.~ Additional ring bonded directly to the hetero ring or to the polycyclo ring system
765  DF  .~.~.~.~ Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to the azo group
766  DF  .~.~.~.~.~ The hetero ring is six-membered and contains nitrogen (e.g., pyridine, etc.)
767  DF  .~.~.~.~.~.~ The hetero ring contains at least two nitrogens (e.g., pyrimidine, etc.)
768  DF  .~.~.~.~.~.~ The hetero ring is in a bicyclo ring system (e.g., quinoline, benzomorpholine, etc.)
769  DF  .~.~.~.~.~ Pyrazole (including hydrogenated)
770  DF  .~.~.~.~ The hetero ring is six-membered and consists of one nitrogen and five carbons (e.g., pyridine, etc.)
771  DF  .~.~.~.~.~ Acyclic oxygen bonded directly to the hetero ring
772  DF  .~.~.~.~.~.~ Plural acyclic chalcogens bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen
773  DF  .~.~.~.~.~ Plural acyclic nitrogens, other than as nitro, nitroso or azo, bonded directly to the hetero ring at the two positions adjacent to the ring nitrogen
774  DF  .~.~.~.~ Additional hetero ring attached indirectly to the azo group by nonionic bonding
775  DF  .~.~.~.~.~ 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
776  DF  .~.~.~.~.~ A 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
777  DF  .~.~.~.~.~ The 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
778  DF  .~.~.~.~ Bicyclo carbocyclic ring system bonded directly to the azo group
779  DF  .~.~.~.~.~ The bicyclo carbocyclic ring system is between the azo group and an additional carbocyclic ring
780  DF  .~.~.~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or Group IA or IIA light metal)
781  DF  .~.~.~.~ Sulfonic acid group containing (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
782  DF  .~.~.~.~.~ The hetero ring is one of the cyclos in a polycyclo ring system
783  DF  .~.~.~.~.~ Additional sulfonyl containing
784  DF  .~.~.~.~.~.~ Plural sulfonic acid groups
785  DF  .~.~.~.~.~ Containing acyclic -C(=X)-, wherein X is chalcogen
786  DF  .~.~.~.~.~.~ The -C(=X)- is bonded directly to nitrogen
787  DF  .~.~.~.~ The hetero ring is one of the cyclos in a polycyclo ring system
788  DF  .~.~.~.~.~ The hetero ring consists of sulfur, nitrogen and carbon (e.g., benzothiazole, etc.)
789  DF  .~.~.~.~.~ Chalcogen double bonded directly to the hetero ring
790  DF  .~.~.~.~.~ The hetero ring is five-membered and consists of one nitrogen and four carbons (e.g., indole, etc.)
791  DF  .~.~.~.~ Carbocyclic ring bonded directly to the hetero ring or to the polycyclo ring system which contains the hetero ring
792  DF  .~.~.~.~.~ Pyrazole containing (including hydrogenated)
793  DF  .~.~.~.~.~.~ Sulfonyl containing
794  DF  .~.~.~.~ Carbocyclic ring attached indirectly to the azo group by nonionic bonding
795  DF  .~.~.~.~ The hetero ring is five-membered and contains at least one atom each of sulfur, nitrogen and carbon
796  DF  .~.~.~ At least three azo groups attached indirectly to each other by nonionic bonding
797  DF  .~.~.~ Two azo groups attached indirectly to each other by nonionic bonding
798  DF  .~.~.~ Plural carbocyclic rings bonded directly to the azo group
799  DF  .~.~.~.~ 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 cylcos
800  DF  .~.~.~.~.~ The hetero ring is one of the cyclos in a polycyclo ring system
801  DF  .~.~.~.~ 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 carboxamide group
802  DF  .~.~.~.~ 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
803  DF  .~.~.~.~.~ The hetero ring is six-membered and contains at least two nitrogens
804  DF  .~.~.~.~ 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
805  DF  .~.~ Exactly five or exactly six azo groups attached indirectly to each other by nonionic bonding
806  DF  .~.~ Exactly four azo groups attached indirectly to each other by nonionic bonding
807  DF  .~.~.~ Plural nitrogens bonded directly to the same -C(=X)- group, wherein X is chalcogen (e.g., urea, thiourea, etc.)
808  DF  .~.~.~ Benzidine containing
809  DF  .~.~ Exactly three azo groups attached indirectly to each other by nonionic bonding
810  DF  .~.~.~ Containing -C(=X)-, wherein X, is chalcogen or nitrogen (e.g., carbonyl, etc.)
811  DF  .~.~.~.~ Nitrogen single bonded directly to the -C(=X)- group (e.g., carboxamide, guanyl, etc.)
812  DF  .~.~.~.~.~ Plural -C(=X)- groups containing
813  DF  .~.~.~ Benzidine containing
814  DF  .~.~.~.~ Hydroxy 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)
815  DF  .~.~.~ Hydroxy 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)
816  DF  .~.~ Exactly two azo groups attached indirectly to each other by nonionic bonding
817  DF  .~.~.~ Plural benzene rings bonded directly to the same urea or thiourea group and are between the azo groups
818  DF  .~.~.~.~ Bicyclo ring system containing
819  DF  .~.~.~ Plural benzene rings bonded directly to the same carboxamide or sulfonamide group and are between the azo groups
820  DF  .~.~.~.~ Plural carboxamide groups between the azo groups
821  DF  .~.~.~ Plural benzene rings bonded directly to the same chalcogen or -C(=X)- group, wherein X is chalcogen, and are between the azo groups
822  DF  .~.~.~ Plural benzene rings bonded directly to each other and are between the azo groups
823  DF  .~.~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
824  DF  .~.~.~.~ Nitrogen, other than as nitro, nitroso or azo, attached indirectly to azo by nonionic bonding
825  DF  .~.~.~.~.~ Plural nitrogens, other than as nitro, nitroso or azo, attached indirectly to azo by nonionic bonding
826  DF  .~.~.~.~.~.~ Plural sulfonic acid groups bonded directly to the same bicyclo ring system (-(0=)S(=0)-OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
827  DF  .~.~.~ Hydroxy 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)
828  DF  .~.~.~.~ Plural bicyclo ring systems, each having hydroxy bonded directly thereto
829  DF  .~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
830  DF  .~.~.~.~ Hydroxy 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)
831  DF  .~.~.~ Plural benzene rings bonded directly to each azo group
832  DF  .~.~.~.~ At least one of the benzene rings is part of a bicyclo ring system
833  DF  .~.~.~.~.~ Each of the benzene rings is part of a bicyclo ring system
834  DF  .~.~.~.~.~ Hydroxy 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)
835  DF  .~.~.~.~.~.~ Plural bicyclo ring systems, each having hydroxy bonded directly thereto
836  DF  .~.~.~.~.~.~ Additional hydroxy or nitrogen, other than as nitro, nitroso or azo, bonded directly to the bicyclo ring system
837  DF  .~.~.~.~.~.~ Sulfonic acid group bonded directly to the bicyclo ring system (-(0=)S(=0) OH, wherein H of the -OH may be replaced by the ammonium ion or a Group IA or IIA light metal)
838  DF  .~.~ Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding
839  DF  .~.~.~ Plural benzene rings bonded directly to the azo group
840  DF  .~.~.~.~ Each of the benzene rings is part of a bicyclo ring system
841  DF  .~.~.~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
842  DF  .~.~.~.~.~ Hydroxy 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)
843  DF  .~.~.~.~ Each of the benzene rings is monocyclic
844  DF  .~.~.~.~.~ Sulfonyl containing
845  DF  .~.~.~.~.~.~ Oxygen bonded directly to the sulfonyl group (e.g., sulfonic acid, etc.)
846  DF  .~.~.~.~.~.~.~ Plural oxygens bonded directly to the sulfonyl group (e.g., sulfuric acid, etc.)
847  DF  .~.~.~.~.~.~ The sulfonyl is part of a sulfonamide group (-(0=)S(=0)HNH, wherein substitution may be made for hydrogen only)
848  DF  .~.~.~.~.~.~ Containing -C(=X)-, wherein X is chalcogen
849  DF  .~.~.~.~.~.~.~ The -C(=X)- is bonded directly to nitrogen, which nitrogen is bonded directly to a ring
850  DF  .~.~.~.~.~ Containing -C(=X)-, wherein X is chalcogen
851  DF  .~.~.~.~.~.~ The -C(=X)- is bonded directly to one of the benezene rings
852  DF  .~.~.~.~.~.~ The -C(=X)- is in a -C(=X)X- group, wherein the X's may be the same or diverse chalcogens
853  DF  .~.~.~.~.~.~.~ The -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)
854  DF  .~.~.~.~.~.~.~ Additional -C(=X)- bonded directly to nitrogen, which nitrogen is bonded directly to a ring
855  DF  .~.~.~.~.~.~ Chalcogen, having no direct bond to a ring, attached directly by a single bond to acyclic carbon
856  DF  .~.~.~.~.~ Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding
857  DF  .~.~.~.~.~.~ Hydroxy 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)
858  DF  .~.~.~.~.~.~.~ Plural chalcogens bonded directly to the acyclic carbon or carbon chain
859  DF  .~.~.~.~.~.~ Chalcogen bonded directly to a ring
860  DF  .~.~.~.~ Acyclic -C(=X)- containing, wherein X is chalcogen (e.g., carbonyl, etc.)
861  DF  .~.~.~.~.~ Hydroxy 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)
862  DF  .~.~.~.~.~.~ Nitrogen bonded directly to the -C(=X)- group (e.g., carboxamide, etc.)
863  DF  .~.~.~.~.~.~.~ The -C(=X)- is bonded directly to the bicyclo ring system
864  DF  .~.~.~.~.~.~.~.~ Sulfonyl containing
865  DF  .~.~.~.~.~.~.~.~ Additional acyclic -C(=X)- group
866  DF  .~.~.~.~.~.~.~.~.~ Additional nitrogen bonded directly to the additional -C(=X)- group
867  DF  .~.~.~.~.~.~.~.~.~.~ At least three -C(=X)HNH groups, wherein substitution may be made for hydrogen only
868  DF  .~.~.~.~.~.~.~.~ Additional amino nitrogen
869  DF  .~.~.~.~.~.~.~.~ Plural oxygens bonded directly to the same monocyclic benzene ring
870  DF  .~.~.~.~.~.~.~.~ Halogen, acyclic carbon, the azo group and an additional halogen or acyclic carbon, all bonded directly to the same benzene ring
871  DF  .~.~.~.~.~.~.~.~ Acyclic carbon, carboxamide and chalcogen or an additional acyclic carbon, all bonded directly to the same benzene ring
872  DF  .~.~.~.~.~.~.~ The nitrogen is additionally bonded directly to the bicyclo ring system
873  DF  .~.~.~.~.~.~.~.~ Additional acyclic -C(=X)- group
874  DF  .~.~.~.~.~.~ The -C(=X)- is bonded directly to the bicyclo ring system
875  DF  .~.~.~.~ Nitrogen, other than as nitro or nitroso, attached indirectly to the azo group by nonionic bonding
876  DF  .~.~.~.~.~ Oxygen bonded directly to carbon
877  DF  .~.~.~.~.~.~ The nitrogen and the oxygen are bonded directly to the same bicyclo ring system
878  DF  .~.~.~.~.~.~.~ Sulfonyl bonded directly to the bicyclo ring system
879  DF  .~.~.~.~.~.~.~.~ Plural sulfonyl groups or plural nitrogens bonded directly to the bicyclo ring system
880  DF  .~.~.~.~.~.~.~.~ Additional sulfonyl which is attached indirectly to the bicyclo ring system by nonionic bonding
881  DF  .~.~.~.~.~ Sulfonyl and the nitrogen bonded directly to the same bicyclo ring system
882  DF  .~.~.~.~ Oxygen double bonded directly to sulfur
883  DF  .~.~.~.~.~ Sulfonyl bonded directly to a bicyclo ring system
884  DF  .~.~.~.~.~.~ Plural sulfonyl groups bonded directly to the same bicyclo ring system
885  DF  .~.~.~ Benzene ring bonded directly to the azo group
886  DF  .~.~.~ Containing -C(=X)-, wherein X is chalcogen (e.g., carbonyl, etc.)
887  DF  .~.~ Purification or recovery
******************************
DIGESTS
******************************
DIG 1  DD  MIXTURES OF AZO COMPOUNDS
DIG 2  DD  AZO COMPOUNDS CONTAINING CHAINS OF EIGHT OR MORE CARBON ATOMS NOT PROVIDED FOR ELSEWHERE IN THIS CLASS
DIG 3  DD  POLYMERIC AZO COMPOUNDS OR AZO COMPOUNDS CONTAINING POLYMERIC MOIETIES
DIG 4  DD  AZO COMPOUNDS WHICH ARE LAKES
DIG 5  DD  AZO COMPOUNDS HAVING UTILITY OTHER THAN AS DYES
DIG 6  DD  AZO COMPOUNDS CONTAINING -N(O)-N=, -N=S, OR -SO2N3 GROUPS
DIG 7  DD  AUTOMATIC AND/OR CONTINUOUS TEMPERATURE CONTROL IN THE PREPARATION OF AZO COMPOUNDS
DIG 8  DD  ELIMINATION OF GROUPS DURING THE PREPARATION OF AZO COMPOUNDS
DIG 9  DD  AZO COMPOUNDS CONTAINING TERNARY SULFONIUM GROUPS
DIG 10  DD  AZO COMPOUNDS CONTAINING FORMALDEHYDE REACTION PRODUCT AS THE COUPLING COMPONENT