| 534 / | HD | ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES |
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| * | DD | ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1) {8} |
| 573 |  | .~ Azo {51} |
| 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 {13} |
| 603 | DF | .~.~> Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding {4} |
| 616 | DF | .~.~> Nitrogen oxide, other than as nitro or nitroso, containing |
| 617 | DF | .~.~> Fiber- or substrate-reactive azo compound {5} |
| 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 {1} |
| 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 {3} |
| 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) {5} |
| 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) {2} |
| 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) {1} |
| 689 | DF | .~.~> Stilbene containing {2} |
| 692 | DF | .~.~> Heavy metal or aluminum containing {7} |
| 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 {1} |
| 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.) {1} |
| 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 {6} |
| 751 | DF | .~.~> Hetero ring containing {5} |
| 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 {2} |
| 809 | DF | .~.~> Exactly three azo groups attached indirectly to each other by nonionic bonding {3} |
| 816 | DF | .~.~> Exactly two azo groups attached indirectly to each other by nonionic bonding {7} |
| 838 | DF | .~.~> Exactly one azo group containing or azo attached indirectly to an additional azo group by ionic bonding {3} |
| 887 | DF | .~.~> Purification or recovery |