| Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452) |
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| 06/20/1989 | US4841027 Process for preparing phenyl- and naphthylazo-aminonaphthol sulphonic acids |
| 05/09/1989 | US4829185 Neutron and/or gamma radiation detecting system |
| 04/05/1989 | EP0310014A2 Chromogene substrate |
| 03/07/1989 | US4810783 Process for the preparation of azo dyestuffs having an aniline-type coupler by aminolysis of the appropriate ether group-containing compounds |
| 02/07/1989 | US4802889 2-cyano-4,6-dinitrophenyl mono-azo dyes for polyester and cellulose acetate |
| 02/01/1989 | EP0301134A1 Monoazo dyes, their preparation and their use |
| 01/24/1989 | US4799960 Ink comprising water soluble triazine dye free from cellulose reactive groups |
| 12/13/1988 | US4790879 Water-soluble triazane dyestuffs free from cellulose reactive groups and suitable for use in inks |
| 11/09/1988 | EP0290384A2 Anionic disazo dyes |
| 10/26/1988 | EP0287909A1 Amyloidosis and Alzheimer's disease diagnostic assay and reagents therefor |
| 10/25/1988 | US4780558 Sulfone compounds |
| 10/25/1988 | US4780532 Ink jet printing |
| 10/11/1988 | US4777248 Water-soluble non-reactive triazinyl mono-azo dye for ink jet printing |
| 09/13/1988 | US4771129 Magenta color for aqueous ink composition |
| 09/13/1988 | US4770809 Electronic displays |
| 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 |
| 07/12/1988 | US4757137 Orthotrifluoromethyl containing phenylazonaphthol dyestuffs |
| 06/29/1988 | EP0272532A2 Dyestuffs |
| 06/15/1988 | EP0271444A2 Disperse dyes |
| 05/03/1988 | US4742162 Azo-stibene condensates as leather dyes |
| 05/03/1988 | US4742161 Disazo and trisazo compounds containing one 6-hydroxypyrid-2-one coupling component radical per azo radical |
| 05/03/1988 | US4742160 Sulfo group-containing basic azo compounds having a central 1,3,5-triazine ring and two terminal 1-hydroxynaphthyl-2 groups and 1:1 and 1:2 metal complexes therof |
| 05/03/1988 | CA1236092A1 Azo-pigments and process for their preparation |
| 04/19/1988 | US4739042 Halftone gravure printing inks containing pyridone azo dyestuffs |
| 04/12/1988 | US4737310 Liquid crystal composition containing azo dyes |
| 04/12/1988 | US4737190 Including a humectant; anti fouling agents |
| 02/23/1988 | US4726844 Lightfastness |
| 02/03/1988 | EP0254991A2 Azo dyes |
| 01/27/1988 | EP0253933A1 A process for the preparation of a water soluble direct green polyazo dyestuffs mixture in situ and water soluble direct green polyazo dyestuffs mixture obtained thereby |
| 01/12/1988 | US4719293 (2,5-diisopropoxycarbonylbenzene-azo-2-hydroxy-3-carbamoyl naphthalene) pigment |
| 12/10/1987 | DE3717869A1 Triazine-containing monoazo compounds |
| 12/08/1987 | US4711837 Silver halide color photographic material |
| 12/08/1987 | US4711668 Aqueous ink composition |
| 11/10/1987 | US4705528 Water-soluble triazine black dyes from cellulose reactive groups and suitable for use in inks |
| 10/27/1987 | US4703113 Water-soluble triazine black dyes free from cellulose reactive groups and suitable for use in inks |
| 10/13/1987 | US4699628 Phosgenation of mordant yellow dye and acid green dye |
| 09/23/1987 | EP0237910A2 Process for producing azo dyestuffs |
| 09/01/1987 | US4691056 3-halogenoacetonesulfonamides and a process for their preparation |
| 09/01/1987 | CA1226278A1 Water-soluble triazine compounds |
| 08/25/1987 | US4689403 Disazo pigment from condensation of carboxylic acid chloride with 2,5-dichloro-1,4-phenylene diamine |
| 08/25/1987 | CA1225988A1 Silane acetoacetarylide dyes and composite pigments |
| 08/11/1987 | US4686287 Orange pigments for inks, paints, plastics, rubbers, printing |
| 07/07/1987 | US4678611 Novel dyestuff intermediates and use thereof for the manufacture of novel azo dyes |
| 06/30/1987 | US4677200 Amino compounds derived from 5-acetoacetylamino-benzimidazolones |
| 06/02/1987 | CA1222510A1 Azo compounds |
| 05/12/1987 | US4664714 Pigment composition |
| 05/05/1987 | US4663440 Bisazo brown reactive dye |
| 04/30/1987 | DE3636526A1 Process for the preparation of cyano-containing azo dyes |
| 04/28/1987 | US4661158 Recording liquid |
| 04/15/1987 | EP0218174A2 Azo dyes and liquid-crystal materials containing azo dyes |
| 04/15/1987 | EP0218085A1 3-Halogen-acetosulphon amides, process for their preparation and their use |
| 04/01/1987 | EP0216339A2 Monoazo dyes, their preparation and their use |
| 03/31/1987 | US4654384 Basic water-soluble bis-(β-azo-α-naphtholamino)-triazine compounds |
| 03/17/1987 | US4650867 Condensation of trichlorotriazine with partially protected phenylenediamine |
| 03/03/1987 | US4647310 Aqueous ink composition for ink jet-recording |
| 02/25/1987 | EP0211326A2 Production of gravure inks for illustrations |
| 02/19/1987 | DE3625576A1 Basic monoazo or disazo compounds containing sulfo groups |
| 01/20/1987 | US4638052 Azo-pigment containing hydroxy naphthoic acid amide and an iminooxoisoindolenine components |
| 11/25/1986 | CA1214352A1 Diffusion transfer material and process |
| 10/28/1986 | US4619993 Azo compounds having a 2,4-dinitro-5-thiocyanophenyl diazo component radical |
| 10/01/1986 | EP0196275A1 Method for the preparation of 2,4,6-tris-(aminophenylamino)-triazines |
| 10/01/1986 | EP0196272A1 Sulfonic compounds |
| 09/17/1986 | EP0194885A1 Azo compound and aqueous ink composition comprising the same |
| 09/16/1986 | US4612369 Disazo 4,4'-diaminostilbene-2,2'-disulfonic acids dye |
| 09/02/1986 | US4609727 5-C1-4 alkoxy-2-C1-2 alkyl-2',4'-dinitro-6'-halo-4-substituted amino-azobenzenes |
| 08/13/1986 | EP0190586A1 Triazine dyes, their preparation and their use |
| 08/12/1986 | US4605442 Storage stability, jet stability, image clarity |
| 07/16/1986 | EP0187520A2 Water-soluble dye |
| 07/15/1986 | US4600527 Azo dyes, mult&color, photochromic |
| 06/10/1986 | US4594410 Azo compounds containing both sulfo groups and basic or cationic groups which compounds are in metal-free or 1:1 metal complex form |
| 05/27/1986 | US4591635 Dyes for leather or paper |
| 05/27/1986 | US4591634 Good build-up capacity and combinability |
| 04/30/1986 | EP0179549A2 Water-soluble dye |
| 04/16/1986 | EP0177978A2 Naphthol amine derivatives |
| 04/09/1986 | EP0177138A2 Water-soluble dye |
| 04/02/1986 | EP0176195A2 Water-soluble dye |
| 03/05/1986 | EP0173302A2 Silver halide color photographic material |
| 01/22/1986 | EP0168961A2 An aqueous ink composition |
| 12/31/1985 | US4562249 Bis(4-((chloro substituted phenyl)azo)anilino methylenes |
| 12/10/1985 | US4558121 Sulfoethylaminosulfonyl substituted disazo dyes |
| 11/06/1985 | EP0160226A2 Disazo dyes |
| 10/23/1985 | EP0158889A2 Amino azo compounds, process for their preparation and their use |
| 10/23/1985 | EP0158888A2 Disazo compounds, process for their preparation and their use |
| 10/01/1985 | CA1194471A1 Ureylenebis (hydroxy naphthalenesulfonic acids) |
| 09/17/1985 | US4542208 Disazo compounds for dyeing cellulosic fibers |
| 09/10/1985 | CA1193248A1 Organic compounds |
| 08/20/1985 | US4536569 Dyeing polyesters or cellulose esters blue |
| 08/07/1985 | EP0150711A2 Azo-pigments and process for their preparation |
| 07/09/1985 | US4528367 Method and intermediates for preparing high purity 3,3'-azo-bis-(6-hydroxy benzoic acid) |
| 06/18/1985 | US4524168 Process for the mass coloration of polymers |
| 06/04/1985 | US4521217 Phthalocyanine and azo dyestuff mixtures and their use for dyeing paper |
| 05/14/1985 | US4517357 Symmetrical bis-(triazinyamino phenyl azo acetoacetanilide) dyestuffs |
| 05/07/1985 | US4515599 Process for dyeing paper |
| 05/02/1985 | EP0139512A1 Silane acetoacetarylide dyes, composite pigments obtainable therefrom, and processes for preparing the same |
| 03/19/1985 | US4505856 Water-insoluble |
| 03/05/1985 | US4502862 Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use |
| 01/15/1985 | US4493532 Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition |
| 12/27/1984 | CA1180007A Organic compounds |
| 12/04/1984 | US4486348 Yellow color on paper |
| 11/27/1984 | CA1178579A1 Organic compounds |