C09B 29 - Monoazo dyes prepared by diazotising and coupling

Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940)
06/1977
06/21/1977	US4030881 Coloration process
06/14/1977	US4029469 Coloring process for synthetic textile materials
06/07/1977	US4028323 With a substituted aminobenzene
06/07/1977	US4028322 6-Methylbenzimidazolonylazobarbituric acid pigment
05/1977
05/31/1977	US4026931 Azo dyes, fiber-reactive; indole or 5-amino-pyrazole coupling component
05/31/1977	US4026663 Polyester fabric dyed with monoazo dyestuffs
05/24/1977	US4025301 Azo dyes derived from 3-amino pyridine in hair dye compositions
05/17/1977	US4023830 Production of images
05/10/1977	US4022799 Naphtholactam dyestuffs
04/1977
04/26/1977	US4020053 Phenylazo-(N-alkylanilino)-m-toluene sulfonic acid or sulfonamide acid dyes for polyamide fiber materials
04/19/1977	US4018826 From acetaldehyde and acetamide
04/19/1977	US4018756 Acrylonitrile polymers, polyamides, polyesters
04/19/1977	US4018751 Continuous process for aminoazobenzene
04/19/1977	US4018606 Organic azo pigment sensitizers for photoconductive layers
04/12/1977	US4017477 3-Halogeno-6-hydroxy-pyridone-(2) azo dyestuffs
04/12/1977	US4017256 Fiber dyeable with disperse dyes and fiber dyeable with reactive dyes
04/05/1977	US4016153 Monoazo dyestuff mixtures derived from 2-amino-5-nitro-thiazole and bis-hydroxyalkylamino acklanilides reacted with acid halides and amides
04/05/1977	US4016152 Azo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupling component
04/05/1977	US4016151 Phenyl-substituted phthalazone azo dyes with a coupling component of the phenol, napthol, acetoacetarylide, pyrazolone, quinolone, pyridine, pyrimidone or isoquinolone series
04/05/1977	US4015937 Process for detecting the completion of the sterilizing treatment using a color changing indicator composition
04/05/1977	US4015934 Process for the dyeing of synthetic textile material
03/1977
03/29/1977	US4014865 Golden-yellow fiber-reactive water-soluble monoazo dyestuffs
03/29/1977	US4014864 Heterocyclic substituted azo dyestuff
03/29/1977	US4014863 Lacquers, printing inks, paints
03/29/1977	US4014700 Diffusion transfer photography
03/22/1977	US4013636 Disperse dyes for hydrophobic high molecular weight polymers
03/22/1977	US4013635 Cyan azo dye-providing compounds
03/22/1977	US4013633 Yellow azopyrazoline dye releasing redox compounds for photographic color transfer
03/22/1977	US4013632 Synthetic fibers
03/22/1977	US4013631 Synthetic fibers
03/15/1977	US4012372 Phthalimidyl-azo-tetrahydro-quinoline compounds
03/15/1977	US4012371 Benzinaldazolyl-, quinolonyl-, or phenmorpholonylazo-3-cyano-4-methyl-1,2-[1',2']-benz-[4',5']-imidazolo-6-hydroxypyridine colorants
03/15/1977	US4012370 Mono aryl azo-mono-iminoisoindolinone dyestuffs
03/15/1977	US4012369 Monoazo chromiferous complex dyestuffs derived from naphthyl-azo-naphthalene, and process for their preparation
03/08/1977	US4011209 Organic solvent-soluble azo dyes
03/08/1977	US4011208 3-cyano or acyl-4-aryl-5-arylazo-6-hydroxypyridone-2 dyes
03/01/1977	US4010151 Water insoluble mono azo and disazo dyes containing cinnamonitrile group
02/1977
02/15/1977	US4008212 Monoazo dye mixtures derived from 7-amino-4-nitrobenzotriazole and bis-hydroxyalkylamino acylanilides reacted with acid halides and amides
02/01/1977	US4006129 Monoazo dye
02/01/1977	US4006128 Azo dyestuffs containing aminopyridone coupling component
01/1977
01/25/1977	US4005069 Azo dyes having a 3-halo-4-cyano or acyl-6-hydroxypyridone-2 coupling component radical
01/25/1977	US4004929 Naphtholic couplers, color couplers
01/18/1977	US4003944 Preparation of 2,4-dicyano-3,5-dimethylaniline
01/11/1977	US4002607 Azo dyes having an amino group para to the azo linkage
01/11/1977	US4002605 Calcium and magnesium salts of 4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid for dyeing fiberglass
01/11/1977	US4002425 Water-insoluble monoazo dyestuffs
01/04/1977	US4001253 Naphtholactam dyestuffs
01/04/1977	US4001205 Water-soluble, fiber-reactive phenylazodihydroxy, methyl, cyanopyridine dyestuffs
01/04/1977	US4001204 Magenta image-providing phenylazonaphthyl dues containing a morpholinyl of piperidine radical
12/1976
12/28/1976	US4000123 Aminosulfonylphenyl-azo-indolyl dyestuffs
12/28/1976	US3999991 Light sensitive materials; silver halide emulsion layer
12/21/1976	US3998804 Process for coupling of water-insoluble 2,4-disubstituted phenols with diazotized o-nitroanilines
12/21/1976	US3998803 Textiles
12/21/1976	US3998802 Polyamides, cellulose esters, polyesters, polyacrylonitriles
12/21/1976	US3998801 Benzothiazolyl-azo-tetrahydroquinoline compounds
12/21/1976	US3998586 Red monoazo dyestuff, padding, steaming
12/14/1976	US3997523 Sulfonated bis(amido)phenyl azo naphthalene
12/14/1976	US3997520 5-Nitrothiazolyl-2-azophenyl disperse dyes
12/07/1976	US3995995 Process for dyeing fibres containing amide groups
12/07/1976	US3995994 Disperse dyestuff mixtures
12/07/1976	US3995993 Process for the differential dyeing of polyamide fibers and of materials containing them
12/07/1976	US3995992 Transfer printing process for dyeing and printing organic material which can be dyed with cationic dyes
11/1976
11/30/1976	US3994906 3-Sulphoalkyl-6-hydroxy-pyrid-(2)-ones
11/30/1976	US3994873 Azo dyestuffs containing sulfonylamino-sulfonyl groups
11/30/1976	US3994731 Azo dye developers comprising furan rings
11/30/1976	US3994679 Disperse dyestuff mixtures
11/23/1976	US3993638 Ballasted p-sulfonamidophenols capable of releasing a non-heterocyclic azo dye
11/23/1976	US3993637 Chelatable triazolylazo-N-alkyl(cycloalkyl)acylacetamide dyes
11/23/1976	US3993619 Process for dyeing polyurethane resins
11/23/1976	US3993441 4-Nitro,2-alkylbenzene azo-3-cyano-4-methyl-6-hydroxy-2-pyridone dyeing of synthetic hydrophobic fibers
11/23/1976	US3993438 Alkaline bath
11/09/1976	US3991042 Basic azo dyestuffs containing a benzthiazole and a tetrahydroquinoline nucleus
11/09/1976	US3990839 Process for obtaining irregular shadow dyeings on polyester fibers and mixtures thereof
11/02/1976	US3989451 Thermofix process for the dyeing of polyester fibers
10/1976
10/26/1976	US3988311 Polyester textiles
10/19/1976	US3987027 Phenyl azophenyl dyestuff
10/19/1976	US3987026 Transiently water-soluble non-heterocyclic azo and disazo disperse dyestuffs
10/12/1976	US3985726 Benzisothiazole and indazole azo compounds
10/12/1976	US3985725 Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to heat
10/12/1976	US3985724 1-(4'-Diazoniumphenyl)-pyridinium salts and the process of preparation
10/05/1976	US3984199 Dyeing and printing
09/1976
09/21/1976	US3981883 Manufacture of 3-amino-2,1-benzisothiazoles
09/21/1976	US3981858 Azo dyes
09/14/1976	US3980636 Polyester fibers
09/14/1976	US3980634 Phthalimidyl-azo aniline type compounds and polyester fibers dyed therewith
09/07/1976	US3979378 Water-soluble azo dyes having a substituted 2-hydroxypyridone (6) coupling component
09/07/1976	US3979377 Yellow azo pigment and process of preparation from dichloroaniline and barbituric acid
08/1976
08/31/1976	US3978040 Process for the preparation of cyanoazo compounds by reacting halogenoazo compounds with CuCN in an aqueous media in the presence of a nitrogen base
08/24/1976	US3976491 Diazo compositions and diazotype materials prepared from same
08/10/1976	US3974271 Cosmetics
08/10/1976	US3974123 Dyes for thermoplastics
07/1976
07/27/1976	US3971738 Heavy metal complexes of azo compounds containing a halogeno-2,3-dihydroxy pyridine coupling component
07/20/1976	US3970617 Navy-blue nitrophenylazonaphthylamino dyes
06/1976
06/29/1976	US3966706 2,6-Dihydroxy-3-cyano-4-methylpyridine containing azo dyes which contain a functional amino group
06/15/1976	US3963694 Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone pigments
06/15/1976	US3963693 Quinolone azo barbituric acid pigments
06/15/1976	US3963431 Polyester
06/08/1976	US3962209 Process for preparing azo dyestuffs with ortho-azo cyano groups by cyano exchange of metal cyanides and halo dyestuffs
06/08/1976	US3961885 Process for the dyeing of synthetic fibrous materials from organic solvents using azo dyes
05/1976
05/25/1976	US3958930 Deep-dyed nylon fiber and dyed styling yarn

1 ... 39 40 41 42 43 44 45 46 47 48 49 50