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Class Information
Number: 534/759
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 > Two azo groups attached indirectly to each other by nonionic bonding > Additional hetero ring or polycyclo ring system which contains a hetero ring as one of the cyclos bonded directly to an azo group > Plural monocyclic benzene rings, each bonded directly to an azo group, are between the azo groups
Description: Compounds wherein between the azo groups are plural monocyclic benzene rings, each of which is bonded directly to an azo group.

Sub-classes under this class:

Class Number Class Name Patents
534/760 The benzene rings are bonded directly to each other 41

Patents under this class:
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Patent Number Title Of Patent Date Issued
8541557 Azo compound and method of preparing the azo compound Sep. 24, 2013
8357673 4-arylazo-3,5-diamino-pyrazole compounds and use thereof Jan. 22, 2013
8309696 AZO pigment, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Nov. 13, 2012
8101731 Yellow anionic disazo dyes Jan. 24, 2012
7772377 Colorant compositions Aug. 10, 2010
7732581 Colorant compounds Jun. 8, 2010
7723494 Yellow anionic disazo dyes May. 25, 2010
7619075 Colorant compositions Nov. 17, 2009
7488354 Dyeing composition comprising at least one disulphide dye and method of dyeing human keratin fibers using this dye Feb. 10, 2009
7476260 Disulfide dyes, composition comprising them and method of dyeing hair Jan. 13, 2009
6923855 Ink, ink-jet-recording method and bis-azo compound Aug. 2, 2005
6713614 Dimeric azo pyridone colorants Mar. 30, 2004
6576748 Method for making dimeric azo pyridone colorants Jun. 10, 2003
6140478 Basic azo compounds, their production and use Oct. 31, 2000
5693766 Dye diffusion thermal transfer printing Dec. 2, 1997
5686585 Azo dyes for use in color filters and method for production of color filters Nov. 11, 1997
5681832 Aroylaniline compounds, pharmaceutical compositions, and methods of using same to inhibit viral activity Oct. 28, 1997
5545725 Disazo dyes consisting of two monoazo dyes contaning a 1-phenyl-5-amino pyrazole coupling component and connected by a bridge member Aug. 13, 1996
5468848 Basic azo dyestuffs of the 3-cyano-2,4,6-triamino pyridine series Nov. 21, 1995
5395926 Bisazo, bisazomethine and azo-azomethine compounds derived from 1,4-phenylenediamine sulfonic acid salts Mar. 7, 1995
5391720 Imidazole dyes formed by reaction of imidazoles with diazonium salts Feb. 21, 1995
5312906 Optical information recording media and bisazo compounds for use therein May. 17, 1994
5274084 Bisazo compounds which contain a diphenoquinone tetraazo component and an electrophotographic photosensitive member having a photosensitive layer comprising the bisazo compound Dec. 28, 1993
5168026 Bis-azo compound and electrophotographic photosensitive member with a light receiving layer containing said bis-azo compound Dec. 1, 1992
5097022 Bisazo pigments for use in electrophotographic photoconductors Mar. 17, 1992
5081233 Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds Jan. 14, 1992
5068319 Biz-diazotized diaryl diamine coupled dyes having improved solubility in organic solvent Nov. 26, 1991
5059683 Dyes containing 6-hydroxypyrid-2-one groups the 1-positions of which contain substituted 1,3,5-triazinyl or pyrimidyl-piperazino or -piperazinium groups linked through bridging radicals and in Oct. 22, 1991
5037967 N-phenoxyalkylene anilines as coupling components Aug. 6, 1991
4920208 Basic azo dyestuffs Apr. 24, 1990
4833235 Sulfo group-containing disaz compounds having a heterocyclic coupling component radical May. 23, 1989
4764599 Disazo compounds containing an N,N-bis(2-amino-benzoyl)piperazine derivative as the diazo component Aug. 16, 1988
4760003 Electrophotographic photosensitive member containing disazo compound Jul. 26, 1988
4742161 Disazo and trisazo compounds containing one 6-hydroxypyrid-2-one coupling component radical per azo radical May. 3, 1988
4739042 Halftone gravure printing inks containing pyridone azo dyestuffs Apr. 19, 1988
4672149 Photoelectric transducer element Jun. 9, 1987
4663442 Disazo triphenylamine compounds May. 5, 1987
4634764 Non-azo and azo compounds containing at least one 4,6-diamino-1-substituted-5-substituted carbamoylpyrid-2-one group Jan. 6, 1987
4631242 Bisazo electrophotographic sensitive materials with --CF.sub.3 group Dec. 23, 1986
4623720 1:2 metal complexes of AZO compounds having a central substituted phenylenesulfonylaminophenylene radical Nov. 18, 1986
4622278 Electrophotographic light-sensitive material comprising charge transport compound and styryl sensitizing dye Nov. 11, 1986
4622280 Disazo compound, and photoconductive composition and electrophotographic photoreceptor containing the same Nov. 11, 1986
4582771 Disazo compound, method for preparing the same, and electrophotographic element containing the same for use in electrophotography Apr. 15, 1986
4562249 Bis(4-((chloro substituted phenyl)azo)anilino methylenes Dec. 31, 1985
4540643 Tetrazonium salt compounds, novel disazo compounds, method for the production thereof and disazo compound-containing electrophotographic elements Sep. 10, 1985
4540651 Electrophotographic photosensitive member Sep. 10, 1985
4537844 Electrophotographic element containing disazo compound Aug. 27, 1985
4536570 N-Aminoalkylenesulfonamido substituted disazo colorants Aug. 20, 1985
4500619 Electrophotographic photosensitive member with oxadiazole containing disazo compound Feb. 19, 1985
4486519 Bisazo compounds and electrophotographic photoconductors comprising the bisazo compounds Dec. 4, 1984

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