Patents
Sitemap › C09 - Dyes; Paints; Polishes; Natural resins; Adhesives; Compositions not otherwise provided for; Applications of materials not otherwise provided for › C09B - Organic dyes or closely-related compounds for producing dyes; Mordants; Lakes › C09B 33 - Disazo or polyazo dyes of the types a k b, a b k c, or the like, prepared by diazotising and coupling
Patents for C09B 33 - Disazo or polyazo dyes of the types a k b, a b k c, or the like, prepared by diazotising and coupling (1,032)
03/1984
03/27/1984CA1164159A1 Process for the finishing of fibrous materials
03/07/1984EP0101975A1 Pigment dyestuffs of the pyrazolone series
02/1984
02/21/1984US4432900 Cationic dyestuff printing inks
02/01/1984EP0099857A2 Metal complexes of azo dyestuffs
11/1983
11/30/1983EP0095442A1 Disazo pigments, method for their preparation and their use
11/29/1983CA1157981A1 Hydrogel implant article and method
11/16/1983EP0094079A1 Photosensitive material for electrophotography
11/16/1983EP0094020A1 Water-soluble disazo compounds, process for their preparation and their use as dyestuffs
11/08/1983US4414320 Bis aryl-azo derivatives of 2,3-naphthalenediol and electrophotographic liquid developer compositions containing them
11/08/1983US4414152 Bis aryl-azo derivatives of 2,3-naphthalenediol
11/01/1983US4412950 Monoazo and disazo colorants
10/1983
10/12/1983EP0091020A1 Disazo dyestuffs
10/12/1983EP0091019A1 Disazo dyestuffs
10/05/1983EP0090777A1 Disazo pigments, methods for their preparation and their use
09/1983
09/07/1983EP0087709A1 N,N',N"-triaryl-1,2,3-triaminopropane derivatives, process for their preparation and their use as intermediates
08/1983
08/31/1983EP0087113A2 Water soluble disazo compounds, process for their preparation and their use as dyestuffs
08/16/1983US4399068 Concentrated, aqueous solutions of salts of acetoacetylamino-arylsulphonic acids and method of forming concentrated solutions of azo dyestuffs therefrom
07/1983
07/19/1983US4394129 Process for the finishing of fibrous materials: sulfonyl- or carbonyl-cyanamides of dyestuffs
07/12/1983CA1149800A1 Disazo pigments, process for its production and use thereof
05/1983
05/25/1983EP0079562A1 Water-soluble disazo compounds, process for their preparation and their use as dyestuffs
05/04/1983EP0078007A1 Metallised polyazo dyestuffs
03/1983
03/23/1983EP0074510A1 Water-soluble trisazo dyestuffs, methods for their preparation and their use in dyeing leather and fur
03/16/1983EP0074048A2 Dyestuffs with isoquinoline coupling components
03/16/1983EP0073950A1 Acid metal complex dyestuffs
03/15/1983US4376729 Novel monoazo and disazo colorants
02/1983
02/01/1983US4371370 Oxidation hair dyes comprising bis-(2,4-diaminophenoxy)-alkanols as coupling components
01/1983
01/05/1983EP0068245A1 Dyestuffs containing sulphonic acid groups
01/04/1983US4367172 Disazo dyes containing at least one sulfo group and at least two basic or cationic groups
12/1982
12/21/1982CA1137980A1 Azo dyes
12/14/1982US4363761 Dyeing cellulose and leather; textiles; papermaking
11/1982
11/24/1982EP0065252A2 Stable liquid azo dye preparations
11/16/1982CA1135688A1 Disazo compounds, process for their manufacture and their use
10/1982
10/13/1982EP0062200A1 Disazo dyestuffs
09/1982
09/01/1982EP0059165A1 Method and dyestuffs for dyeing cellulosics and blends thereof without afterwash
07/1982
07/20/1982US4340386 Cationic dyestuff printing inks
06/1982
06/02/1982EP0052716A1 Water-soluble azo compounds, methods for their preparation and their use as dyestuffs
05/1982
05/05/1982EP0051041A1 Basic or cationic sulphonic acid group-containing azo compounds, their synthesis and their use in dyeing substrates containing paper or cotton as well as dyestuff preparations thereof
03/1982
03/31/1982EP0048693A2 Disazo dyestuffs, metal complexes thereof, their preparation and use
03/31/1982EP0048692A1 Azo coupling process
02/1982
02/09/1982US4314818 1-Amino-7-[3'-(5"-chloro-2",4"-difluoropyrimidyl-6"-amino)-6'-sulfophenylazo]-8-hydroxy-2-sulfamoyl or substituted sulfamoyl-phenylazo naphthalene-3,6-disulfonic acids
01/1982
01/13/1982EP0043796A2 Method of preparing disazo dyestuffs
01/13/1982EP0043560A1 Water-soluble azo compounds, process for their preparation and their use as dyestuffs
01/08/1982EP0034174A4 Hydrogel implant article and method.
01/05/1982CA1115881A1 Process for pigmenting organic material of high molecular weight
11/1981
11/18/1981EP0040173A1 Disazo pigment, method for its preparation and its use
10/1981
10/27/1981US4297278 Pentakis-and heptakis-azoxy dyestuffs
10/21/1981EP0038296A1 Bisazo compounds
10/20/1981US4295889 Storage stability
09/1981
09/30/1981EP0036591A1 Coupler components for oxidation hair dyes, their preparation and use, and hair dyes containing them
09/02/1981EP0034724A2 Polyazo dyestuffs
08/1981
08/26/1981EP0034174A1 Hydrogel implant article and method.
08/19/1981EP0033852A1 Water-soluble disazo dyestuffs, their preparation and use
06/1981
06/16/1981US4273707 Monoazo and disazo dyes containing at least one sulfo group and at least two basic or cationic groups
05/1981
05/05/1981CA1100491A1 Azo pigments
04/1981
04/21/1981US4263229 Metal complex dyes of trisazo compounds having a 3,5-dinitro-2-hydroxyphenylazo group and two other arylazo groups bound to a 1-amino-3-hydroxy-1,3-diamino- or 1,3-dihydroxy-benzene nucleus
03/1981
03/31/1981CA1098357A1 Electrophoretic migration imaging process with neutral density bisazo naphthalenediol pigments
03/25/1981EP0025473A1 Pigment dyestuffs of the monoazo-2,3-oxynaphthoic acid arylide series and their use in colouring printing inks, lacquers or synthetic materials
03/24/1981US4257770 Mixture of reactive dyes for cellulose fibers
03/18/1981EP0025164A1 Disazo compounds, process for their preparation and use
03/11/1981EP0024676A2 Process for finishing fibrous materials
03/05/1981WO1981000570A1 Hydrogel implant article and method
02/1981
02/24/1981CA1096222A1 Electrographic liquid developers containing azo dye marking particles derived from 2,3-naphthalenediol or derivatives thereof
02/17/1981CA1095902A1 Process for the production of azo pigments
02/17/1981CA1095901A1 Disazo pigments, process for their manufacture and use thereof
01/1981
01/27/1981US4247614 Electrophotographic element containing a disazo pigment
01/27/1981US4247459 Developers in electrography
01/27/1981US4247296 Diazo pigments
01/21/1981EP0022485A1 Copper-complex dyestuffs and their use in dyeing and printing materials containing nitrogen
12/1980
12/16/1980US4239886 Salts of N-acylaminohydroxynaphthalenesulphonic acids
12/10/1980EP0019846A2 Tanning agents of the azo series, their preparation and their use in the simultaneous tanning and dyeing of leather, and preparations containing them
11/1980
11/18/1980US4234480 Water-soluble azo dyestuffs
10/1980
10/29/1980EP0017831A1 Azo-triazine-azo dyestuffs and their use in dyeing paper
10/28/1980CA1088257A1 Stable concentrated liquid preparation of paper dyes of the disazo class
10/15/1980EP0016975A2 Polyazo dyestuffs and their use in dyeing fibre-materials and leather containing amino- and hydroxyl groups
09/1980
09/09/1980US4221709 Azo pigments
09/09/1980US4221562 Quaternary ammonium substituted, with glutaraldehyde or glyoxal, for printing cellulose
09/03/1980EP0014882A1 Azodyestuffs and their use in dyeing and printing nitrogen-containing materials and leather
08/1980
08/12/1980US4217272 Dyeing cellulosic fibers
04/1980
04/03/1980WO1980000570A1 Halogen-containing azo dyes
03/1980
03/18/1980CA1073611A1 Dyestuff preparations and processes for their production
12/1979
12/18/1979CA1068263A1 Disazo dyestuffs
10/1979
10/23/1979CA1064914A1 Monoazo and disazo colorants
10/16/1979CA1064481A1 Disazo pigments, process for their manufacture and their use
10/16/1979CA1064480A1 Azo compounds
10/02/1979US4169831 Water-soluble tetrakisazo dyestuffs derived from 4,4'-diaminoazobenzene
09/1979
09/05/1979EP0003767A1 N-Acylaminohydroxynaphthalenesulfonic acid salts, process for their preparation and their use as coupling components in the preparation of azo dyes.
07/1979
07/10/1979CA1058166A1 Disazo pigments and a process for their manufacture
05/1979
05/30/1979EP0002041A1 Processes for synthesizing bisazomethine-bisazo pigments
05/29/1979CA1055510A1 Process for preparing 2,5-dimethyl-3-(2h)-furanone
05/08/1979US4153598 Monoazo and diazo colorants from aminoalkylanilines and bis(aminoalkyl)anilines
04/1979
04/17/1979US4149851 Concentrated aqueous dye compositions containing a low molecular weight amide
03/1979
03/20/1979US4145299 Electrographic liquid developers containing azo dye marking particles derived from 2,3-naphthalenediol or derivatives thereof
03/20/1979US4145114 Liquid crystals, azo dyes, electrooptical device
12/1978
12/26/1978CA1045121A1 Disazo pigment and process for its manufacture
12/26/1978CA1045119A1 Disazo pigments and process for their manufacture
11/1978
11/07/1978US4124580 Azo compounds of sulfanilamide derivatives
10/1978
10/17/1978US4120854 Disazo and trisazo dyes having a 1,3-diamino-, dihydroxy- or amino-hydroxy-benzene nucleus and metal complexes thereof
10/17/1978CA1040626A1 Disazo pigments
10/03/1978US4118186 Benzenesulfonamides
09/1978
09/26/1978CA1039271A1 Azo dyestuffs
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