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Class Information
Number: 534/768
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Hetero ring containing > Azo bonded directly to the hetero ring or to a polycyclo ring system which contains the hetero ring as one of the cyclos > Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to the azo group > The hetero ring is six-membered and contains nitrogen (e.g., pyridine, etc.) > The hetero ring is in a bicyclo ring system (e.g., quinoline, benzomorpholine, etc.)
Description: Compounds wherein the hetero ring is one of the cyclos in a bicyclo ring system, e.g., quinoline, benzomorpholine, etc.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7601819 Azo dye, colored curable composition, color filter and producing method therefor Oct. 13, 2009
7144993 Process for the preparation of 4-methyl-7-aminoquinolones Dec. 5, 2006
7105503 Pyrazole compounds Sep. 12, 2006
6989439 Color developing agent, azo dye, silver halide photographic light-sensitive material, and image-forming method Jan. 24, 2006
6855195 Ink composition and ink jet recording method Feb. 15, 2005
6090810 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities Jul. 18, 2000
5763588 Pyrimidine derivatives for labeled binding partners Jun. 9, 1998
5760197 Hydroxyquinolone monoazo dyestuffs, their preparation and use Jun. 2, 1998
5723586 Disperse dyes Mar. 3, 1998
5633355 Monoazo disperse dyes from selected (aromatic amino)propionates or selected (aromatic amino)butyrates May. 27, 1997
5623060 Dye mixture containing at least four diazo dyes having the same color with a diaminopyridine coupling component Apr. 22, 1997
5532342 Azo metal chelate compound Jul. 2, 1996
5466790 Azo dyes with an acetalized diazo component of the thiophene or thiazole series Nov. 14, 1995
5466790 Azo dyes with an acetalized diazo component of the thiophene or thiazole series Nov. 14, 1995
5391720 Imidazole dyes formed by reaction of imidazoles with diazonium salts Feb. 21, 1995
5324826 Azo disperse dyes having 1,2,4-triazol-5-yl diazo component radicals having electron-withdrawing substituents in the 3-positions Jun. 28, 1994
5310888 Arylazo chromoionophores May. 10, 1994
5306815 Azo dyes with a coupling component of the quinoline series Apr. 26, 1994
5298608 Metal chelate of a monoazo compound and optical recording medium using it Mar. 29, 1994
5283326 Dyes containing thiophene radicals Feb. 1, 1994
5235047 Bathochromic azo dyes derived from 2-aminothiophenes and 2-aminothiazoles Aug. 10, 1993
5179207 Substituted 2-amino-5-maleimido thiophenes and substituted 2-amino-maleimido thiazoles Jan. 12, 1993
5144015 Synthesis of pyrazole dyes Sep. 1, 1992
5132411 Azo compounds having 2,4-disubstituted-3-halothienyl-5-diazo component radicals, dyeing processes therewith and substrates dyed therewith Jul. 21, 1992
5128457 Chromogenic thiol indicators based on an isobenzothiazolone ring system Jul. 7, 1992
5075429 Monoazo-disperse dye compounds their production and their use Dec. 24, 1991
5071968 Azo dyes containing a 7-sulfoalkanoylamino-1,2,3,4-tetrahydroquinoline coupling component Dec. 10, 1991
5013826 Azo dyes containing 5-cyclohexylcarbonyl-thiophene diazo components and 1,2,3,4-tetrahydroquinoline coupling components May. 7, 1991
4994564 Azo dyes with a diazo component of the 3-amino thiophene series and a coupling component of the pyridine, pyridone or pyrazole series Feb. 19, 1991
4962040 2-hydrazono-4,6-dinitrobenzthiazolones useful to form dyestuffs and as color formers for detecting peroxide Oct. 9, 1990
4888432 Process for preparing 2-amino-thiophenes and azo dyestuffs prepared therefrom Dec. 19, 1989
4837308 Process for the preparation of azo compounds Jun. 6, 1989
4754022 Cationic dyes from diazotized 5-aminoisothiazoles and tetrahydroquinolines or indolines Jun. 28, 1988
4711954 3-thienylazo dyes with a gamma-acid coupler Dec. 8, 1987
4687842 Monoazo compounds having an imidazolium-2 group linked through an azo radical to a substituted phenyl group Aug. 18, 1987
4685934 Mono- and di-sulfo group containing compound having a substituted pyrazolyl diazo component radical and their use Aug. 11, 1987
4675161 Indicator for detection of thermal history Jun. 23, 1987
4668775 .alpha.-methine substituted thiophene monoazo dye May. 26, 1987
4650860 Benzisothiazolazo, diaminopyridine dyes Mar. 17, 1987
4628082 Derivatives of azobarbituric acid or salts or complexes thereof Dec. 9, 1986
4619992 3-(.beta.-aminoethyl)-4-cyano-isothiazolylazo dyes Oct. 28, 1986
4593087 Disperse and acid azo dyes having one or two cinnamoyl substituents on a thiazole, isothiazole or thiadiazole diazonium moiety and having an aniline, tetrahydroquinoline or benzomorpholine cou Jun. 3, 1986
4593088 2-amino-cinnamoylthiophene azo dyes having aniline, tetrahydroquinoline, or benzomorpholine couplers Jun. 3, 1986
4582898 Azo dyestuffs from cyano-amino-benzisothiazoles Apr. 15, 1986
4562248 Azo dyes from unsubstituted or substituted 3-amino-pyridine and aryl or heterocyclic couplers Dec. 31, 1985
4554348 2-Amino-cinnamoylthiophene acid azo dye compounds having an aniline, tetrahydroquinoline, or benzomorpholine coupler Nov. 19, 1985
4552952 Disperse and acid azo dyes having one or two cinnamoyl substituents on a benzothiazole or benzoisothiazole diazonium moiety and having an aniline, tetrahydroquinoline or benzomorpholine type c Nov. 12, 1985
4530997 Azo dyes from sulfonated 3-sulfonated 3-amino-2,1-benzisothiazoles with 1,2,3,4-tetrahydroquinoline or 2,3-dihydro-1,4-benzoxazine couplers Jul. 23, 1985
4529406 Nitrothiazolyl-monoazo-2,2,4-trimethyl-1,2,3,4-tetrahydroquinoline compounds for polyester Jul. 16, 1985
4528368 Azo dyes from 2-amino-5-cyanomethylthio-1,3,4-thiadiazole and aniline and tetrahydroquinoline couplers Jul. 9, 1985

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