C09B 29 - Monoazo dyes prepared by diazotising and coupling

Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
09/1988
09/14/1988	EP0281829A2 Adducts of ketonic compounds with the anions of oxygenated acids, process for their preparation, their use and azo ketonic compounds
09/13/1988	US4771129 Magenta color for aqueous ink composition
09/13/1988	US4770809 Electronic displays
09/06/1988	US4769449 Red mono-azo water-soluble dye containing cyano, amide and amino substituents
09/06/1988	US4769447 Substrates for g-glutamyl transferase determination
08/1988
08/31/1988	CN87100778A Azoic diphenylamine yellow dispersing dye
08/30/1988	US4767844 Coupling diazo component having sulfonic acid group with a mixture of 2-hydroxy-3-naphthoic acid and the amide derivatives thereof
08/30/1988	US4767698 Photostability, heat resistance
08/16/1988	US4764600 Isothiazolylazo dyes having aminophenyl and aminonaphthyl components
08/16/1988	US4764178 Thermal transfer printing: hetero-aromatic azo dye
08/16/1988	US4764175 Metal-free monoazo and disazo compounds having a 1-hydroxy-5,6-, 7- or 8- substituted 1,3,5-triazinylamino-3- or 4 sulfonic acid coupling component radical and 1:1 copper complexes
08/09/1988	US4762767 Negatively operating photoresist composition, with radiation-absorbing additives
07/1988
07/27/1988	EP0276046A2 Light-sensitive silver halide color photographic material containing multi-functional dye
07/12/1988	US4757137 Orthotrifluoromethyl containing phenylazonaphthol dyestuffs
07/05/1988	CA1238921A1 2-ketosulfonamides and process for their preparation
06/1988
06/30/1988	WO1988004794A1 Solid particle dispersion filter dyes for photographic compositions
06/30/1988	DE3643462A1 Dye solutions
06/28/1988	US4754020 Acid is ion exchange resin, easy separation
06/14/1988	US4751288 Colorfastness
06/08/1988	EP0269953A2 Thiophene azo dyes
06/07/1988	US4749813 4-alkyl-2-trifluoromethylanilines
06/01/1988	EP0268897A1 Pyridone azo dyes
05/1988
05/31/1988	US4748108 Yellow dye-releasing azo compounds for use in the production of diffusion transfer color images
05/26/1988	DE3639155A1 Pyridone azo dyes
05/26/1988	DE3638763A1 Pigments containing piperidyl groups
05/18/1988	EP0267467A1 Process for the preparation of thiophene compounds
05/11/1988	EP0266692A2 Azo dyes containing a thiophene group
05/11/1988	EP0266569A2 Solvent dyes with carboxylic-acid functions
05/10/1988	US4743683 For dye bleach process, photography
05/10/1988	US4743595 Nucleophilic substitution of benzoxazoles, ring opening
05/03/1988	CA1236092A1 Azo-pigments and process for their preparation
04/1988
04/26/1988	US4740604 Hydrazone dye intermediates
04/12/1988	US4737581 Pigmenting high-molecular-weight compounds; printing inks; lacquers colorfastness; reds and oranges
04/12/1988	US4737310 Liquid crystal composition containing azo dyes
04/06/1988	CN87105292A Process for synthesizing a new structurel and dispersed single azo dyestuff
03/1988
03/31/1988	DE3632039A1 Disazo pigments
03/30/1988	EP0261259A1 Color light-sensitive material
03/29/1988	US4734490 Textile dyeing and printing
03/29/1988	US4734349 Thermoplastic electrostatographic toners
03/29/1988	US4734101 Dispersibility, colorfastness
03/23/1988	EP0260349A1 Dye diffusion transfer imaging process for production of retained images
03/23/1988	CN86105522B Synthetic method for a kind of cyanic water-soluble dye
03/22/1988	US4732570 Alkyleneoxy substituted chromophore
03/17/1988	DE3630717A1 Azo pigment dyes
03/09/1988	EP0259007A1 Process for producing azo pigment
03/09/1988	EP0258856A2 Dye transfer method
02/1988
02/24/1988	EP0256460A2 Dye mixtures
02/24/1988	CN86105522A Synthetic method for a kind of cyanic water-soluble dye
02/23/1988	US4727158 5-Higher alkyl substituted-2H-benzotriazoles
02/23/1988	US4726844 Lightfastness
02/16/1988	US4725531 Color photographic light-sensitive material
02/11/1988	DE3724058A1 Method of dyeing polyester fibre material from an aqueous medium
02/03/1988	EP0254991A2 Azo dyes
02/02/1988	US4722737 Stable gamma-modification of a benzisothiazole azo dyestuff
01/1988
01/26/1988	US4721604 Heat exchangers
01/21/1988	DE3721871A1 Process for dyeing polyester fibre material with azobenzene disperse dyes from an aqueous medium
01/12/1988	US4719292 β-modified crystalline red pigment
01/07/1988	EP0251114A2 Thienothiophene dyes
12/1987
12/17/1987	DE3619605A1 Formylphenyl- or styrylazopyridines
12/10/1987	DE3612148A1 Disazo pigments
12/09/1987	EP0248312A1 4,6-Dinitro benzothiazolone-2-hydrazones
12/08/1987	US4711954 3-thienylazo dyes with a gamma-acid coupler
12/03/1987	DE3618216A1 Azo pigments
12/02/1987	EP0247970A1 Benzanthrone lactones, process for their preparation and their use
11/1987
11/24/1987	US4709019 Colorfast pigments
11/24/1987	CA1229589A1 Red monoazo sulfonic acid dyestuffs for polyamide
11/17/1987	US4707373 Edible compositions colored with (2-alkoxy-4-sulfonyl-5-alkyphenyl)azo-1-hydroxynaphthalene sulfonic acids
11/11/1987	EP0244740A2 Diaminopyridine azo dyes with acyloxy groups
11/03/1987	US4704452 Azo dyes containing aralkyl-nitrophenyl diazo components
10/1987
10/29/1987	DE3712946A1 Monoazo pigments
10/27/1987	US4703113 Water-soluble triazine black dyes free from cellulose reactive groups and suitable for use in inks
10/21/1987	EP0242331A2 Azo dyes
10/14/1987	EP0241419A2 Pigments containing piperidyl groups
10/14/1987	EP0241413A2 Amine salts of azo compounds
10/13/1987	US4700003 Dispersion dyestuff intermediates
10/06/1987	US4698651 Substituted arylazoisoisothiazole dyes in polymeric binders
10/06/1987	CA1227791A1 Process for pigmenting high molecular weight organic material
09/1987
09/23/1987	EP0237911A2 Azo compounds
09/23/1987	EP0237910A2 Process for producing azo dyestuffs
09/09/1987	EP0235858A1 Organic compounds for use in a dye diffusion transfer process and photographic elements incorporating them
09/02/1987	EP0234474A2 Gamma modification of a benzisothiazole dye
08/1987
08/18/1987	US4687842 Monoazo compounds having an imidazolium-2 group linked through an azo radical to a substituted phenyl group
08/11/1987	US4686285 Basic azo and non-azo compounds having one or two disubstituted 1,3,5-triazine rings each of which is linked through a bridging radical to the 1-position of a pyrazole ring
08/11/1987	US4685934 Mono- and di-sulfo group containing compound having a substituted pyrazolyl diazo component radical and their use
08/05/1987	EP0230985A2 Gamma-glutamyl-4-azoanilides, process for their preparation and their use for the determination of gamma-glutamyltransferase
07/1987
07/29/1987	EP0230045A2 Process for dyeing polyamide fibres
07/21/1987	US4681932 Benzoisothiazole azo dyestuffs
07/08/1987	EP0228092A2 Mixed monoazo dye and method of dyeing polyester fibers using the same
07/07/1987	US4678611 Novel dyestuff intermediates and use thereof for the manufacture of novel azo dyes
07/07/1987	US4678476 High tinctorial strength, colorfastness
07/01/1987	EP0227095A2 Magenta dye-donor element used in thermal dye transfer
06/1987
06/30/1987	US4677200 Amino compounds derived from 5-acetoacetylamino-benzimidazolones
06/30/1987	US4676923 Dichroic dyestuffs for liquid crystal and liquid crystal composition
06/23/1987	US4675389 Azo dyes
06/23/1987	US4675161 Azo dyes, epoxy compounds, polymeric membranes; color change; sterilization testing
06/16/1987	EP0225553A2 Azo dye lacquer
06/03/1987	EP0224175A2 Azo dyes
06/03/1987	CN86106149A Coloring thermal-plastic resin products
06/02/1987	CA1222510A1 Azo compounds
05/1987
05/26/1987	US4668050 Method of using liquid crystal device comprising dichroic dye and liquid crystal device

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