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Class Information
Number: 534/610
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Quaternary ammonium or hydrazinium attached indirectly to an azo group by nonionic bonding > Hetero ring containing > The pentavalent nitrogen is a ring member > Azo bonded directly to a hetero ring or to a polycyclo ring system having a hetero ring as one of the cyclos > The hetero ring contains the pentavalent nitrogen > Additional hetero ring or polycyclo ring system having a hetero ring as one of the cyclos bonded directly to the azo group
Description: 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.

Patents under this class:

Patent Number Title Of Patent Date Issued
8545717 Composition comprising curable dichroic dye for forming optical component and an optical component prepared using the same Oct. 1, 2013
8053039 Polymerizable dichroic azo dyes Nov. 8, 2011
7811642 Polymerizable dichromophoric dichroic azo dyes Oct. 12, 2010
7301011 Azo compound and tautomer thereof Nov. 27, 2007
7109312 Dark quenchers for donor-acceptor energy transfer Sep. 19, 2006
6949630 Cationic reactive dyes Sep. 27, 2005
5635607 Cationic or basic azo dyes consisting of an amino benzothiazole diazo component and a disubstituted aniline component, which dyes contain at least one aromatic radical Jun. 3, 1997
5591833 Colorants and intermediates therefor having branched poly(oxyalkylene)moieties, and their manufacture Jan. 7, 1997
5290921 Intermediates and colorants having primary hydroxyl enriched poly (oxyalkylene) moieties and their preparation Mar. 1, 1994
5284939 Process for the preparation of highly concentrated solutions of cationic azo dyes Feb. 8, 1994
4883866 Methine-azo compounds containing cyclic cationic ammonium groups Nov. 28, 1989
4818815 Cationic 1,2,3-thiadiazole-azo-aniline or tetrahydroquinoline compounds Apr. 4, 1989
4754022 Cationic dyes from diazotized 5-aminoisothiazoles and tetrahydroquinolines or indolines Jun. 28, 1988
4622391 Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer Nov. 11, 1986
4382801 Process for spin dyeing polymers or copolymers of acrylonitrile with quaternized heterocyclic diazo dye and tetrafluoro-borate anion May. 10, 1983
4353824 Chromophoric cephalosporins Oct. 12, 1982
4314817 Monoazo compounds having a substituted thiazolium-5 diazo component radical and a substituted 1,4-phenylene coupling component radical Feb. 9, 1982
4292238 Alkylation of benzthiazole-azo-phenylamine dyestuffs Sep. 29, 1981
4285859 Azo compounds useful in a photographic dye diffusion transfer process Aug. 25, 1981
4268438 Cationic 1,3,4-thiadiazole dyestuffs May. 19, 1981
4252716 Benzthiazolyl-azo-indole basic dyestuffs Feb. 24, 1981
4151162 Diazomerocyanines and mesomeric forms thereof Apr. 24, 1979
4138570 Indoline linked to 2-pyrazoline Feb. 6, 1979
4138396 Pyridyl-azo-indolyl cationic dyes Feb. 6, 1979
4122278 3-Trifluoromethyl-4-aryl-5-aminopyrazoles Oct. 24, 1978
4113717 Quaternized azo dyestuffs Sep. 12, 1978
4111929 Tetrahydroquinoline azo triazole dyestuffs Sep. 5, 1978
4104268 Cationic diazacyanine dyestuffs Aug. 1, 1978
4101540 3-Trifluoromethyl-4-phenyl-pyrazolium azo dyestuffs Jul. 18, 1978
4087244 Dyeing and printing basic dyeable textile substrates with becationic disazo and trisazo dyes having optionally further substituted 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2-coupling componen May. 2, 1978
4085098 Azo dyes containing a heterocyclic ring having a quaternized nitrogen atom and at least one optionally substituted phenoxyalkyl or naphthyloxyalkyl substituent Apr. 18, 1978
4070352 Benzoisothiazoleazobenzmorpholine of tetrahydroquinone compounds Jan. 24, 1978
4066637 Basic diaminopyridine-(3)-azo dyestuffs Jan. 3, 1978
4048151 Cationic dyes containing an optionally substituted bicyclic or polycyclic aryloxyalkyl group Sep. 13, 1977
4018756 Thiazole and benzothiazole cationic dyes Apr. 19, 1977
4017479 Cationic indazole-azo-5-amino pyrazole dyestuffs Apr. 12, 1977
4006127 Cationic diazacyanine dyestuffs Feb. 1, 1977
4002604 Azo dyestuff including a 1,3 or 1,4-benzodioxan ring structure fused to a thiazole ring Jan. 11, 1977
3991042 Basic azo dyestuffs containing a benzthiazole and a tetrahydroquinoline nucleus Nov. 9, 1976
3987022 Yellow to orange disazo cationic dyes containing two heterocyclic quaternary ammonium groups Oct. 19, 1976
3985499 Diazamerocyanines for dyeing keratinous fibers Oct. 12, 1976
3980632 Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidine diazo component radical Sep. 14, 1976
3948877 Basic benzothiazolyl-azo-quinolinyl dyestuffs Apr. 6, 1976
3936435 Cationic heterocyclic-azo-heterocyclic compounds from 5-aminoimidazo-(1,2-A)pyridines Feb. 3, 1976

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