Patents for C09B 53 - Quinone imides (603)
08/1982
08/03/1982US4342825 Photographic elements containing cyan-forming color couplers
07/1982
07/27/1982US4341864 Photographic elements containing cyan-forming couplers
07/07/1982EP0055386A2 Hair-dyeing preparations
06/1982
06/08/1982US4334011 Color photographic light sensitive materials
06/08/1982US4333730 Hair dyes
05/1982
05/18/1982US4330291 Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers
05/11/1982US4329504 Couplers for dyes, hair dyes
05/04/1982CA1122982A1 2,4-dihydroxy-diphenylamines and tinctorial compositions for hair
04/1982
04/27/1982US4327173 Cyanine dye-forming coupler; heat resistance; photostability; colorfastness
04/13/1982US4324553 Oxidation color dyes
04/13/1982CA1121830A1 Paraphenylenediamines, tinctorial compositions holding same and dyeing process
01/1982
01/19/1982US4311478 Paraphenylenediamines substituted at position 2 of the benzene ring
01/13/1982EP0043537A1 Sulfur dyes, their preparation and their use, as well as the intermediates for the preparation of the sulfur dyes
01/05/1982CA1115727A1 Metaphenylenediamines and tinctorial compositions holding same
12/1981
12/15/1981US4305717 Metaphenylenediamines in dyeing compositions for keratinic fibers
12/09/1981EP0041140A2 Liquid preparations of oxidation dyes
12/08/1981US4304844 A coupler of 2,5-diacylaminophenol having ester, sulfonyl, sulfo, or sulfamide groups
12/08/1981CA1113962A1 Metaphenylenediamines and tinctorial compositions containing the same
11/1981
11/24/1981CA1113107A1 Photosensitive copying composition
11/10/1981US4299914 Method for forming a cyan dye image
11/10/1981CA1112179A1 Tinctorial compositions based on oxidation dyes comprising a (2,5-dihydroxyphenyl) alkanoic acid or one of its salts as anti-oxidising agent
10/1981
10/21/1981EP0037975A1 Sulfur dyes of the carbazole series, their preparation and application, as well as intermediate compounds
10/20/1981US4296200 Silver halide photographic light-sensitive material
10/20/1981US4296199 Silver halide photographic light-sensitive material
10/20/1981US4295848 Composition for hair dyeing which contains a para base and an ortho base
10/14/1981EP0037602A1 Photographic elements containing novel cyan-forming colour couplers
10/14/1981EP0037597A1 Novel cyan-forming couplers and photographic elements containing such couplers
10/13/1981US4294918 Containing a colorless cyan color forming coupler
09/1981
09/29/1981US4291902 Pressure- and heat-sensitive elements; copying; colorfastness
09/15/1981US4289495 Oxidative dye compositions containing a 2,5-dihydroxyphenylalkanoic acid or salts thereof as antioxidant
09/09/1981EP0035262A2 Photosensitive material especially photosensitive presensitized printing plate and leuco-dyes contained therein
09/08/1981US4288532 Color photographic materials containing cyan color-forming couplers
08/1981
08/26/1981EP0034323A2 Amino acid and peptide esters of leuco-indo anilines, process for their preparation and agents containing these compounds for the detection of proteolytic enzymes
08/04/1981CA1106384A1 Thiazolyl couplers, coupler compositions and photographic elements suited to forming integral sound tracks
07/1981
07/21/1981CA1105386A1 Liquid coloring compounds for hair dyeing
07/07/1981US4277244 Dye compositions for keratinic fibers containing paraphenylenediamines
06/1981
06/16/1981CA1103273A1 Phenolic dye-forming couplers
06/09/1981CA1102701A1 Paraphenyldiamines and tinctorial compositions containing same, for keratinic fibres
06/02/1981CA1102166A1 Dye image forming process
05/1981
05/19/1981US4268264 Ortho precursors selected from aromatic diamines, aminophenol, diphenol, and phenylenediamine
05/06/1981EP0028099A1 Photographic couplers, emulsions, materials and processes
05/05/1981US4266000 Photosensitive copying composition
04/1981
04/28/1981US4264722 Silver halide photographic light-sensitive material
04/21/1981US4263213 2,4-Dihydroxy-4'-(substituted amino)-diphenylamines
04/14/1981CA1099288A1 Phenylsulfamoyl couplers, coupler compositions and photographic elements suited to forming integral sound tracks
03/1981
03/31/1981US4259261 Oxidation color dyes for hair
03/31/1981CA1098536A1 No translation available
03/03/1981US4254212 Alkoxy substituted sulfonyl
02/1981
02/18/1981EP0024033A1 Photographic colour couplers and light-sensitive material containing them
02/17/1981US4251629 Determination of hydrogen peroxide
01/1981
01/20/1981US4246333 Development inhibitor precursor and a photographic element containing the same
12/1980
12/23/1980CA1092154A1 Metaphenylenediamines and tinctorial compositions thereof
11/1980
11/11/1980US4233399 Photographic elements containing amino-substituted hydroxy-pyridones
10/1980
10/21/1980CA1088066A1 Nitrated couplers used as direct, oxydation and mixed dyes
10/21/1980CA1087988A1 Tinctorial compositions containing diphenylamines and polyhydroxybenzenes
10/14/1980US4228233 Cyan dye forming, colorless coupler
10/07/1980US4226595 Oxidation hair-coloring preparation based upon N,N-bis-(β-hydroxyethyl)-m-phenylenediamines
08/1980
08/26/1980CA1084526A1 Metaaminophenols and tinctorial compositions having same
07/1980
07/15/1980US4212645 Hair dyeing composition containing an aryldiamine and a substituted catechol
07/01/1980CA1080624A1 Oxidation hair-coloring preparation based upon n,n-bis-(b-hydroxyethyl)-m-phenylenediamines
06/1980
06/10/1980US4207111 Light-sensitive silver halide color photographic materials
04/1980
04/29/1980US4200432 Dye composition containing oxidation dye and diphenylamine
04/01/1980CA1074815A1 Substituted nitroaminophenols, process for their preparation and tinctorial compositions thereof
03/1980
03/04/1980US4191690 Color formers
01/1980
01/22/1980US4184844 Storage stable indoaniline and indophenol dye solutions, a process for producing the same and hair dye compositions containing the same
01/08/1980US4182886 Optical filters in color photography
12/1979
12/11/1979US4178183 Thiazolyl coupler compositions and photographic elements suited to forming integral sound tracks
10/1979
10/16/1979US4171203 Hair dye compositions containing 3,5-diamino-2-substituted-alkylbenzenes
10/09/1979US4170452 Dye composition containing diphenylamine and polyhydroxybenzene
09/1979
09/25/1979US4168953 Oxidation hair dyes based upon tetraaminopyrimidine developers and monohydroxyindazole couplers
09/05/1979EP0003726A1 Substituted diaminophthalides, process for their preparation and their use as colour formers in pressure or heat sensitive recording materials
07/1979
07/24/1979CA1058941A1 Color corrected photographic elements
07/11/1979EP0002828A2 Hair dyeing composition
05/1979
05/01/1979US4152112 Dyeing composition for keratinic fibers containing paraphenylenediamines
04/1979
04/17/1979US4149848 Novel para-phenylenediamine dyes for keratin fibres
04/04/1979EP0001254A1 Positively working light-sensitive composition comprising a halogenated naphthoquinone-diazide
03/1979
03/27/1979US4146400 Silver halide emulsions, heterocyclic nitrogen compound
02/1979
02/27/1979CA1049412A1 Tinctorial compositions containing oxydation tints and diphenylamines_
01/1979
01/16/1979US4134766 Color photography, phenol coupler
12/1978
12/19/1978CA1044600A1 Autoxidizable hair dye containing preparations
11/1978
11/28/1978CA1043335A1 Indoanilins with 4'-amine substituted for keratinic fibers dyes, especially human hair
11/14/1978US4125601 Substituted nitroaminophenols, process for their preparation and dyeing compositions in which they are present
11/14/1978US4125367 Metaphenylenediamines and dyeing compositions containing the same
11/07/1978US4124396 2,5-Dicarbonylaminophenol dye-forming couplers
09/1978
09/19/1978CA1038765A1 Hair preparation
09/05/1978US4112229 Diphenylamines for dyeing keratinous fibers
06/1978
06/20/1978US4095984 Benzothiazolinylidene(amino) benzotriazoles
06/13/1978US4094635 Meta-aminophenol sulfonamides as couplers in hair dye compositions
05/1978
05/30/1978US4092102 Hair dyes, oxidation dyes
10/1977
10/18/1977US4054413 Autoxidizable hair dye containing preparations
10/04/1977US4052212 Photographic silver halide emulsion containing 2-equivalent cyan coupler
08/1977
08/30/1977US4045170 Hair dye composition containing an indoaniline
08/16/1977US4042627 Diphenylamines for dyeing keratinous fibers
06/1977
06/21/1977US4031130 Dialkyl ketone, dialkylcarbonate
06/07/1977US4028106 Method for developing an exposed silver halide color photosensitive material
02/1977
02/22/1977US4009035 Process for forming cyan dye photographic images
02/15/1977US4007747 Hair dyes
10/1976
10/05/1976US3984402 Indoanilines for dyeing keratinous fibers
09/1976
09/21/1976US3981676 Lyophilized dyes and the use thereof to color keratinic fibers
08/1976
08/03/1976US3972937 Diphenylamines for dyeing keratinous fibers
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