| Patents for C09B 53 - Quinone imides (603) |
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| 01/09/1990 | US4892858 Heat sensitive transfer materials |
| 01/02/1990 | US4891045 2,4-Diamino-1,3,5-trimethoxybenzene, process for its preparation and its use as a coupler in oxidation dyes for keratinous fibres |
| 12/12/1989 | US4886516 Diaminotetrafluoroethoxybenzenes, process for producing same and hair coloring agents containing same |
| 10/10/1989 | US4873332 Metal-containing indoaniline compound and optical recording medium employing the compound |
| 10/10/1989 | US4873220 Heat-sensitive transfer material |
| 10/03/1989 | US4871372 Dye composition for keratinous fiber |
| 09/12/1989 | US4865619 Use, as a coupler, of 2,4-diamino-1,3-dimethoxybenzene or one of its salts, in combination with oxidation dye precursors, for dyeing human hair, hair dyeing composition containing the said coupler and process for preparing the said coupler |
| 09/12/1989 | US4865618 New chloro-meta-phenylenediamines, their use as couplers in the oxidation dyeing of keratinous fibres, dyeing compositions for hair containing these compounds and dyeing process using the said |
| 09/12/1989 | US4865617 Dyeing compositions for keratinous fibres, especially for human hair, containing oxidation dye precursors and heterocyclic couplers |
| 09/06/1989 | EP0331477A2 Organic dye thin film and organic thin film element |
| 09/05/1989 | US4863480 Substituted metaaminophenols, a process for their preparation, hair dyeing compositions containing them and a hair-dyeing process |
| 08/22/1989 | US4859206 Hair dye preparations containing nitrodiphenylamine derivative |
| 08/15/1989 | US4857070 2,4-Diaminophenyl tetrahydrofurfuryl ethers, processes for their preparation and tinting compositions, which contain them for keratinic fibres |
| 07/04/1989 | US4845294 Couplers in oxidative hair coloring agents |
| 05/09/1989 | US4829047 Indophenol dyes, storage stability |
| 04/18/1989 | US4822375 Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds |
| 04/05/1989 | EP0310027A2 Metal-containing indoaniline compound and optical recording medium employing the compound |
| 03/22/1989 | EP0307713A2 Blue-green dye donor element for thermal dye transfer |
| 03/07/1989 | US4810615 Indophenol dyes |
| 02/28/1989 | US4808190 Process for dyeing keratinous fibres with 5,6-dihydroxy-indole and hydrogen peroxide, preceded or followed by a treatment with an iodide |
| 02/14/1989 | US4804385 Process for dyeing keratinous fibres with 5,6-dihydroxy-indole combined with an iodide and dyeing composition employed |
| 01/18/1989 | EP0299497A2 Dye composition for keratinous fiber |
| 01/10/1989 | US4797129 Dye compositions for keratinous fibres containing 2-nitro-metaphenylenediamines |
| 12/21/1988 | EP0295474A1 Chlorometaphenylenediamines, their use as coupling agents in oxydation colouring of keratinic fibres, colourity compositions for hair containing these compounds and colouring process using these compositions |
| 12/14/1988 | EP0294669A1 Metaphenylendiamines, process for their preparation, intermediate compounds and use of these metaphenylendiamines as couplers in oxydative colouring of keratinic fibres especially of human hair |
| 10/12/1988 | EP0285665A1 Thermal transfer sheet |
| 09/06/1988 | US4769360 Cyan dye-donor element for thermal dye transfer |
| 08/31/1988 | EP0280187A1 Hair dyeing compositions with direct-dyeing nitro-diphenyl amine derivatives |
| 06/28/1988 | CA1238645A1 Indoanilines or indophenols; process for preparing the same; dyeing compositions containing these compounds and hair-dyeing process using them |
| 04/21/1988 | WO1988002699A1 Thermal transfer sheet |
| 04/12/1988 | US4737443 Optical recording medium |
| 04/05/1988 | US4736067 New dimethyl derivatives of 3-nitro-4-aminoaniline, process for their preparation and their use for dyeing keratinic fibers |
| 02/09/1988 | CA1232452A2 Dye mixtures for sublimation heat-sensitive transfer recording |
| 01/07/1988 | EP0250954A2 Colour-photographic recording material with a dye releaser for blue-green dyes, and a colour picture produced with these dyes |
| 10/28/1987 | CN87100820A Process for dyeing keratinous fibres with 5, 6-dihydroxyindole combined with an iodide and dyeing composition employed |
| 10/28/1987 | CN87100806A Process for dyeing keratinous fibres with 5, 6-dihydroxyindole and hydrogen penoxide |
| 10/27/1987 | US4702863 Indoaniline and indophenol compounds, a process for their preparation, dyeing compositions containing them and a hair-dyeing process |
| 07/23/1987 | DE3701044A1 Dyeing process for keratin fibres with 5,6-dihydroxyindole and hydrogen peroxide following or preceding a treatment with an iodide, and apparatus for use in said process |
| 06/23/1987 | CA1223278A1 Meta-phenylenediamine coupler compounds and oxidative hair dye compositions and methods using same |
| 04/21/1987 | US4659831 Chemical intermediates for vat dyes |
| 04/14/1987 | CA1220487A1 Dimethyl nitro-3 amino-4 aniline derivatives, preparation process thereof and use to colour keratinic fibers |
| 02/25/1987 | EP0211238A1 Aminophenols and their use as oxidation hair dyeing agents |
| 01/06/1987 | CA1216305A1 Substituted meta-aminophenols; process for preparing the same; hair tinctorial compositions containing them, and associated process for hair dyeing |
| 11/04/1986 | US4621038 Photoconductive imaging members with novel symmetrical fluorinated squaraine compounds |
| 09/23/1986 | CA1211756A1 Nitrated derivatives of the benzenic series; process for preparing the same and their use for the dyeing of keratinic fibers |
| 09/03/1986 | EP0192778A1 Optical recording medium |
| 07/02/1986 | CA1206972A Color-forming carboxamidonaphthalene dye precursor and carboximide dye in photographic material and process |
| 03/13/1986 | WO1986001460A1 Optical recording medium |
| 01/28/1986 | US4566876 Colorfast shades of blue and brown |
| 01/14/1986 | US4564586 Cyan dye forming coupler |
| 01/07/1986 | US4563188 Shades of green |
| 08/07/1985 | EP0150839A2 Silver halide color photographic light-sensitive material |
| 06/19/1985 | EP0145513A2 Derivatives of dimethyl-3-nitro-4-amino-aniline, process for their preparation and their use in the dyeing of keratin fibres |
| 04/10/1985 | EP0136981A2 Process for the preparation of anthraquinone imide compounds |
| 02/19/1985 | US4500635 Containing secondary amide, halogen, oxy, aromatic cyan coupler |
| 02/12/1985 | US4499304 Color-forming sulfonamidodiphenylamines and corresponding sulfonimide dyes |
| 01/22/1985 | US4495272 Silver halide color photographic light-sensitive material |
| 01/22/1985 | US4494953 2,4-Dihydroxydiphenylamines and hair dyeing compositions and method |
| 10/16/1984 | US4477558 Silver halide color photographic light-sensitive material |
| 10/10/1984 | EP0121365A2 Color photographic silver halide light-sensitive material |
| 09/25/1984 | US4473375 Composition and method for the coloring of hair |
| 09/25/1984 | US4473374 Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers |
| 09/25/1984 | CA1175070A1 Chlorimated nitro-paraphenylenediamines, process for their preparation and application in dyeing keratinic fibres |
| 09/25/1984 | CA1175069A1 Tinctorial composition for keratinic fibres and containing nitro-3-orthophenylenediamines; novel nitro-3-orthophenylenediamines used and processes for their preparation |
| 09/11/1984 | US4470826 Hair dyes, nitro dyes, direct dyes |
| 09/04/1984 | US4469789 Amino acid and peptide esters of leuko-indoaniline compounds and compositions for the detection of proteolytic enzymes |
| 08/21/1984 | US4466806 Dyeing compositions containing 3-amino-4-nitroanisole derivatives and their use in dyeing keratin fibres as well as certain new said derivatives |
| 07/03/1984 | CA1170274A1 Dye compositions containing 3-amino-4-nitroanisole, their use for dying keratinous fibers, new compounds used and process for preparing the same |
| 06/26/1984 | CA1169691A1 Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process |
| 06/19/1984 | US4455366 Silver halide color photographic light-sensitive material |
| 05/29/1984 | CA1168266A1 Metaphenylenediamines, method for preparing them, dyeing compositions containing them and dyeing process |
| 05/08/1984 | CA1167052A1 Tinctorial compositions containing paraphenylene-diamine and orthoaminophenol for hair |
| 04/24/1984 | US4444872 Method and material for the formation of silver halide color photographic image |
| 02/21/1984 | US4433046 Silver halide photographic material |
| 02/07/1984 | US4430423 Color photographic light-sensitive material |
| 01/24/1984 | US4427767 Color photographic sensitive materials |
| 12/27/1983 | US4423126 Color-forming carboxamidonaphthalene dye precursor and carboximide dye in photographic material and process |
| 12/13/1983 | US4420637 Meta-phenylenediamines |
| 12/13/1983 | CA1158561A1 Tinctorial composition for hair containing para-phenylenediamines |
| 12/07/1983 | EP0095899A2 Color-forming carboxamidonaphthalene dye precursor compounds, photographic materials containing them and corresponding carboximide dyes |
| 12/06/1983 | US4419101 Chlorine-substituted nitro-para-phenylenediamines, a process for their preparation and their use in dyeing keratin fibres |
| 11/01/1983 | CA1156250A1 Cyan dye-forming couplers |
| 08/02/1983 | CA1151070A1 Hair dye containing at least one diamino-2,4 alkylbenzene as coupling agent |
| 07/27/1983 | EP0084100A1 Colour-photographic light-sensitive materials |
| 06/28/1983 | US4390606 Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process |
| 04/05/1983 | US4378969 Fluid formulations of oxidation dyes for mineral oil products, fats and waxes |
| 03/02/1983 | EP0073146A1 Method and material for the formation of silver halide color photographic image |
| 01/25/1983 | US4370142 Hair-dyeing compositions based on para-phenylenediamine and ortho-aminophenol |
| 01/12/1983 | EP0069585A1 Color-forming sulfonamidodiphenylamines, photographic elements containing them and corresponding sulfonimide dyes |
| 01/11/1983 | US4368257 Method for forming a cyan dye image |
| 01/04/1983 | CA1138777A1 Hair dye containing a para and an ortho base |
| 12/07/1982 | US4362810 Development, silver halide emulsions |
| 12/01/1982 | EP0065720A1 Process for preparing hydroxyphenyl amine derivatives |
| 11/30/1982 | US4361516 N-Monosubstituted indoanilines |
| 11/30/1982 | US4361421 Oxidation color dyes |
| 11/02/1982 | CA1134818A1 Release compounds and photographic emulsions, elements and processes utilizing them |
| 10/19/1982 | CA1133940A1 Metaphenylenediamines, tinctorial compositions containing the same and dyeing process utilising the same |
| 09/07/1982 | CA1131225A2 Dyestuffs as affine residues |
| 08/24/1982 | CA1130315A1 Paraphenylene diamines for use in oxidizing-type hair dyes |
| 08/17/1982 | US4345025 Cyan dye, couplers |