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Class Information
Number: 534/741
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > 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 > Hetero ring attached indirectly to an azo group by nonionic bonding
Description: Compounds in which a hetero ring is attached indirectly to an azo group by nonionic bonding.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7262284 |
Method for producing disazo pigments |
Aug. 28, 2007 |
| 5484901 |
Isoindolineazo pigments |
Jan. 16, 1996 |
| 5464941 |
Biphenyl pyrazine compounds |
Nov. 7, 1995 |
| 5428136 |
Water-insoluble azo colorants having two azo groups and a 1,4-bis (acetoacetylamino) benzene coupling component |
Jun. 27, 1995 |
| 5302704 |
Azodyes containing a sulfoacetoacetic acid anilide coupling component |
Apr. 12, 1994 |
| 4914190 |
Tricyanovinyl-N,N-disubstituted anilines as disperse dyes |
Apr. 3, 1990 |
| 4894447 |
Surflonated azo dyes containing a diazo component consisting of a two ring heterocycle with an aminophenylene group |
Jan. 16, 1990 |
| 4881977 |
Water-soluble yellow monoazo dyestuffs |
Nov. 21, 1989 |
| 4880916 |
Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyridines and similar compounds as diazo components |
Nov. 14, 1989 |
| 4847364 |
Methine-azo compounds containing cyclic cationic ammonium groups and open-chain coupling components |
Jul. 11, 1989 |
| 4833235 |
Sulfo group-containing disaz compounds having a heterocyclic coupling component radical |
May. 23, 1989 |
| 4826976 |
Color-shifted dyes with thermally unstable carbamate moiety comprising T-alkoxycarbonyl group |
May. 2, 1989 |
| 4780533 |
Disazo pigments having improved heat resistance using lower alkyl and phenyl esters of acetoacetanilide |
Oct. 25, 1988 |
| 4764599 |
Disazo compounds containing an N,N-bis(2-amino-benzoyl)piperazine derivative as the diazo component |
Aug. 16, 1988 |
| 4736021 |
4-Benzothiazolyl phenyl azo dyes |
Apr. 5, 1988 |
| 4678497 |
Triazine-substituted herbicidal azobenzenesulfonamides |
Jul. 7, 1987 |
| 4600674 |
Trisazo electrophotographic photoconductive material |
Jul. 15, 1986 |
| 4598033 |
Photoconductive compositions comprising a disazo compound |
Jul. 1, 1986 |
| 4562247 |
Disazo compounds containing a 6-acetoacetamide-1-naphthol-3-sulfonic derivative as coupling component |
Dec. 31, 1985 |
| 4486348 |
Cationic triazine azo dyes |
Dec. 4, 1984 |
| 4405793 |
1,3,4-Oxadiazoles |
Sep. 20, 1983 |
| 4399068 |
Concentrated, aqueous solutions of salts of acetoacetylamino-arylsulphonic acids and method of forming concentrated solutions of azo dyestuffs therefrom |
Aug. 16, 1983 |
| 4293492 |
Disazo compounds derived from 3,6-bis(styryl)-9-ethylcarbazole |
Oct. 6, 1981 |
| 4248773 |
Acetoacetamide diazo dyestuffs |
Feb. 3, 1981 |
| 4234480 |
Water-soluble azo dyestuffs |
Nov. 18, 1980 |
| 4221709 |
Azo pigments |
Sep. 9, 1980 |
| 4206113 |
Azo dyes having an oxdiazolyl-1,2,4 group |
Jun. 3, 1980 |
| 4203894 |
Azo dyes containing sulfonic acid groups and oxdiazolyl radicals |
May. 20, 1980 |
| 4149851 |
Concentrated aqueous dye compositions containing a low molecular weight amide |
Apr. 17, 1979 |
| 4083686 |
Uniformly dyed water-swellable cellulosic fibers |
Apr. 11, 1978 |
| 4023924 |
Concentrated aqueous dye compositions containing a low molecular weight amide and their use for dyeing paper |
May. 17, 1977 |
| 4001206 |
Optionally substituted benzothiazolylphenyl-azo-alkanoylacetamidonaphthalenes |
Jan. 4, 1977 |
| 3933787 |
Substituted 4-(2-benzothiazolyl)phenylazo dyes having a quaternary ammonium, hydrazinium or optionally substituted amino substituent |
Jan. 20, 1976 |
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