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Class Information
Number: 534/605
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
Description: Compounds in which the pentavalent nitrogen is a ring member.

Sub-classes under this class:

Class Number Class Name Patents
534/612 Acyclic -c(=x)-, wherein x is chalcogen, attached directly or indirectly to the hetero ring by nonionic bonding 98
534/606 Azo bonded directly to a hetero ring or to a polycyclo ring system having a hetero ring as one of the cyclos 79

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7517367 Cationic naphthyldiazo dyes and keratin fibers-coloring agents containing these dyes Apr. 14, 2009
7485705 Water-soluble tetrazolium compounds Feb. 3, 2009
7381806 Cationic azo azine dyes and colorants that contain these compounds Jun. 3, 2008
7326777 Fiber reactive dyestuffs Feb. 5, 2008
7232895 Disazo red reactive dye compound containing quarternary ammonium group Jun. 19, 2007
7098319 Disazo reactive dyestuffs containing the quaternary groups and their use Aug. 29, 2006
7029503 Disazo compound, reactive dye composition, and method of dyeing cellulose or cellulose-containing fibers Apr. 18, 2006
6624291 Yellow-reactive monoazo dyes containing a tertiary or a quarternary nitrogen group, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber materia Sep. 23, 2003
6518407 Reactive dye compound comprising at least one chromophore moiety and at least one nitrogen-containing heterocycle Feb. 11, 2003
6359121 Reactive dyes containing a linkage Mar. 19, 2002
6350862 Reactive dye compounds Feb. 26, 2002
6191264 Reactive disazo dyes Feb. 20, 2001
6048969 Cationic sulfonic acid dyes Apr. 11, 2000
6046311 Water-soluble fiber-reactive dyes, preparation thereof and use thereof Apr. 4, 2000
5998590 Magenta dyes having flocculating properties Dec. 7, 1999
5990290 Blue reactive dyestuffs Nov. 23, 1999
5962655 Monoazo compound and an intermediate for a fiber-reactive dye compound Oct. 5, 1999
5929215 Basic monoazo compounds Jul. 27, 1999
5925745 Reactive dyes containing a permanent quaternary ammonium group Jul. 20, 1999
5886159 Bisazo compound and method for dyeing or printing fibrous materials using the same Mar. 23, 1999
5847090 Monoazo compounds and process for dyeing or printing fiber materials using the same Dec. 8, 1998
5834230 Viscosity Probe Nov. 10, 1998
5831040 Disazo reactive dyes, their preparation and use Nov. 3, 1998
5760193 Triazinyl-substituted fiber-reactive azo dyes wherein the triazinyl groups bear an N-containing substituent, and methods of using same Jun. 2, 1998
5750661 Basic dyes based on amides of J-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of J-acid May. 12, 1998
5681937 Reactive azo dyes with a coupling component from the aminonaphthalenesulfonic acid series Oct. 28, 1997
5677433 Disazo fiber reactive dyestuffs Oct. 14, 1997
5625042 Diazo reactive dyestuffs, their preparations and use Apr. 29, 1997
5623061 Benzene or naphthalene azo dyes containing SO.sub.2 X and triazinyl fiber reactive groups, use thereof to dye materials, and materials dyed therewith Apr. 22, 1997
5616694 Azo compound Apr. 1, 1997
5614613 Monoazo reactive dyes Mar. 25, 1997
5571898 Basic dyes based on amides of j-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of j-acid Nov. 5, 1996
5541300 Azo dyestuffs carrying sulphonylated amino-halo-triazinyl reactive site plus second different site Jul. 30, 1996
5498701 Basic disazo compounds containing sulphonic acid groups Mar. 12, 1996
5488098 Monoazo compounds having vinylsulfone type fiber reactive group and method for dyeing or printing fiber materials using the same Jan. 30, 1996
5473053 Magenta poly-azo compounds Dec. 5, 1995
5420256 2-amino-4-phenylamino-1,3,5-triazinyl reactive dyestuffs, process for their preparation and their use dye cellulose or polyamides May. 30, 1995
5342927 Reactive dyestuffs for the dyeing and printing of hydroxyl-or amino-containing materials Aug. 30, 1994
5328995 Azo dyes containing triazine middle components and a 1,4-phenylene-2,5-disubstituted coupling component Jul. 12, 1994
5306813 Reactive dyes having a bulky linker group Apr. 26, 1994
5292870 Reactive azo dyes including a triazine ring and sulphatovinyl or sulphatoethyl substituents Mar. 8, 1994
5286854 Basic azo dyes with a coupling component of the hydroxynaphthalenecarboxylic acid series Feb. 15, 1994
5284939 Process for the preparation of highly concentrated solutions of cationic azo dyes Feb. 8, 1994
5276148 Phenylazobenzenes or naphthylazobenzenes having a plurality of fiber-reactive groups Jan. 4, 1994
5264560 Preparation of quaternized azo dyes Nov. 23, 1993
5241054 Cationic azo dyes Aug. 31, 1993
5239063 Fibre reactive azo dyestuffs Aug. 24, 1993
5202436 Triphendioxazine dyestuffs Apr. 13, 1993
5175261 Azopyridone dyes Dec. 29, 1992
5116956 Polyazo dye compounds having vinylsulfone type and pyridinium type fiber reactive groups May. 26, 1992

1 2 3

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