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Class Information
Number: 534/801
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Azo > Hetero ring containing > Plural carbocyclic rings bonded directly to the azo group > 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
Description: Compounds wherein 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 both bonded directly to the same carboxamide group.










Patents under this class:

Patent Number Title Of Patent Date Issued
6872245 Azo pigments Mar. 29, 2005
6211347 Process for preparing fine pigment dispersions Apr. 3, 2001
5973126 Azo compounds and process for producing the same Oct. 26, 1999
5684139 Direct disazo dyestuffs Nov. 4, 1997
5466284 Universal black ink Nov. 14, 1995
5466282 Azo dye compound, ink containing the same, and recording method and instrument using the ink Nov. 14, 1995
5243032 Preparation of azo pigments with low PCB content by coupling in the presence of olefins Sep. 7, 1993
5175260 Disazo dyes with hydroxysulfonylnaphthalene coupling components Dec. 29, 1992
4997920 Monoazo compounds containing long-chain alkyl radicals Mar. 5, 1991
4757137 Orthotrifluoromethyl containing phenylazonaphthol dyestuffs Jul. 12, 1988
4664714 Pigment composition May. 12, 1987
4591628 Photographic products and processes May. 27, 1986
4555568 Monoazo compounds derived from 3-nitro-4-amino-benzoates and 5-(2'-hydroxy-3'-naphthoylamino)-benzimidazolones Nov. 26, 1985
4392999 Monoazo pigments containing hydroxynaphthoylamino benzimidazolone radical Jul. 12, 1983
4301071 Azo dyes from aniline having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring Nov. 17, 1981
4271309 Isoindoline colorants Jun. 2, 1981
4263205 Monoazo pigments derived from substituted aminothiophenes Apr. 21, 1981
4229344 Monazo pigments containing hydroxynaphthoylaminobenzimidazalone radical Oct. 21, 1980
4221709 Azo pigments Sep. 9, 1980
4163013 Diphenylamine-azo-hydrocarbylsulfonylphenyl dyestuffs Jul. 31, 1979
4118232 Photographic material containing sulphonic acid group containing disazo dyestuffs Oct. 3, 1978
4096139 Azocoumarinic-type dyes for the disperse dyeing of textile fabrics Jun. 20, 1978
4087420 Azo dyestuffs containing an .alpha.-phenylamino isobutyric acid alkyl ester coupling component May. 2, 1978
4051123 Sulfonic-acid-group containing disazo dyestuffs Sep. 27, 1977











 
 
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