| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
|---|
| 07/01/1992 | EP0492232A1 Method for producing benzothioxanthen dyestuffs |
| 07/01/1992 | EP0492200A1 Asymmetric azulen squaric acid dyes and optical recording medium |
| 06/25/1992 | WO1992010555A1 Fluorescent compounds for absorption and re-emission of radiation |
| 06/25/1992 | DE4040907A1 New bis:bis-azulenyl-squaric acid dyestuff and new bis:azulene cpds. - used in optical recording medium with high reflectivity and as intermediate |
| 06/23/1992 | CA1304076C Ligand receptor assay employing squarate dyes |
| 06/22/1992 | CA2058087A1 Mixed crystal dyes |
| 06/17/1992 | EP0490197A1 Azulensquaric acid dyes |
| 06/16/1992 | US5122557 Light polarizing films or foils and dyes for their production |
| 06/16/1992 | US5122435 Amido-containing azulene squaric acid dyes, intermediates therefor and optical recording medium |
| 06/16/1992 | US5122160 Denim; vat dyes; redox system |
| 05/26/1992 | US5116958 Disperse dyes which are convertible into a thermomigration fast form |
| 05/22/1992 | WO1992009661A1 Squarylium and croconylium dyes |
| 05/22/1992 | CA2070280A1 Squarylium and croconylium dyes |
| 05/20/1992 | WO1992008689A1 Protein staining compositions and methods |
| 05/20/1992 | CA2096542A1 Protein staining compositions and methods |
| 05/19/1992 | US5115337 Laser wavelength converter |
| 05/15/1992 | WO1992008722A1 Labelling agents comprising boronic acid conjugates |
| 05/13/1992 | EP0485337A1 Pyrazole-containing pigment derivatives |
| 05/13/1992 | EP0484962A2 Heterocyclic disperse dye compounds, their production and their use for dyeing or printing of hydrophobic fibers |
| 05/13/1992 | EP0484390A1 Novel photoactive compounds |
| 05/12/1992 | CA1300605C 2-hydrazono-4,6-dinitrobenzthiazolones |
| 05/05/1992 | CA1300126C Chromogenic hemispherands and their use in detecting electrolytes in an aqueous test sample |
| 04/28/1992 | US5108890 Chromogenic compounds, processes for the preparation thereof and use thereof as enzyme substrates |
| 04/28/1992 | US5108873 IR-ray absorptive compound and optical recording medium by use thereof |
| 04/21/1992 | US5106713 Stable, responsive to visible and infrared light |
| 04/15/1992 | EP0480252A1 Pyridone dyes and a method for their thermal transfer |
| 04/14/1992 | US5104988 Colorfast metallized dyes |
| 04/08/1992 | EP0479727A1 Process for producing bisisoindolinone pigments |
| 04/07/1992 | US5102781 Blue spectral sensitizers for non-tabular silver halide elements |
| 04/02/1992 | WO1992005032A1 Thermal transfer recording dye and thermal transfer sheet |
| 04/01/1992 | EP0477528A1 Piperazine-2,5-dione and piperazine-2-one derivatives |
| 03/24/1992 | US5099007 Light-sensitive quinone diazide compound containing an alkylimidazole group and method of forming a photoresist using said compound |
| 03/17/1992 | US5097027 Organic pigments for polymers |
| 03/17/1992 | US5096455 Process for dyeing keratinous fibres employing an indole dye and at least one para-phenylenediamine containing a secondary amino group absent an oxidant other than air |
| 03/10/1992 | US5095103 Polycyclic aromatic azacyclic compounds useful in dyeing |
| 03/10/1992 | US5095099 Fluorescent compounds for absorption and re-emission of radiation |
| 02/25/1992 | US5091532 Process for the preparation of pigments based on isoindole |
| 02/18/1992 | US5089025 Hair dye compositions and certain 1,2,3,4-tetrahydronitroquinoxalines useful therein |
| 02/11/1992 | US5087727 A zulenes containing a urethane group |
| 02/05/1992 | EP0469723A1 Thermal transfer printing |
| 02/04/1992 | US5085909 Squarylium compounds and optical information recording medium using the same |
| 01/28/1992 | US5084592 Azulenesquaric acid dyes, azulene intermediates therefor, and optical recording medium |
| 01/28/1992 | US5084580 Aniline dyes for polyester fabrics to give green and blue color |
| 01/28/1992 | US5084571 Substituted thiazole dye compounds |
| 01/22/1992 | EP0467155A1 Blue spectral sensitizers for non-tabular silver halide elements |
| 01/14/1992 | US5081251 Stilbene compounds use in anionic polymerization |
| 01/10/1992 | CA2046144A1 Blue spectral sensitizers for non-tabular silver halide elements |
| 01/08/1992 | EP0465421A1 Isoindolinone compounds with long-chain alkylthioether groups |
| 01/07/1992 | US5079365 Triazolopyridine dyes and thermal transfer of methine dyes |
| 01/02/1992 | EP0463357A1 Derivatives of bisstilbene |
| 12/31/1991 | US5077416 Benzodifuranone compounds useful for dyeing or printing hydrophobic fiber materials and process for their production |
| 12/31/1991 | US5077160 Photoconductive imaging members with fluorinated squaraine compositions |
| 12/27/1991 | EP0462857A1 Dyeing composition containing 5-6 dihydroxyindolines and keratinous fibres dyeing process |
| 12/27/1991 | EP0462437A1 New light-polarising films or foils and dyestuffs for their preparation |
| 12/24/1991 | US5074919 Controlling temperature while condensing 1,4,5,8-naphthalene-tetracarboxylic acid with 1,2-dimainobenzene |
| 12/24/1991 | CA1293452C Process for hair dyeing with hydroxyquinonic dyes and metallic salts |
| 12/24/1991 | CA1293451C Process for the dyeing of human hair with brazilin or its hydroxylated derivative and compositions used therefor |
| 12/17/1991 | CA2044549A1 New light polarizing films or foils and dyes for their production |
| 12/11/1991 | CN1056874A Tinctorial composition of 5,6-dihydroxyindole and dyeing method of keratose fibre |
| 12/10/1991 | US5071986 Chromogenic phthalides and azaphthalides |
| 12/10/1991 | US5071588 Liquid-crystalline mixture containing an azulenesquaric acid dye |
| 12/10/1991 | US5071483 Process for the preparation of pigment preparations of the anthanthrone series |
| 12/10/1991 | US5071482 Containing an antiflocculant additive |
| 12/03/1991 | US5069991 Panchromatic electrophotographic recording element containing multiple carrier-producing sensentizers |
| 12/01/1991 | CA2043672A1 Tinctorial composition containing 5,6-dihydroxyindolin derivatives and process for dyeing keratinic fibers |
| 11/28/1991 | WO1991017739A1 Oxidation colorants for keratin fibres |
| 11/28/1991 | CA2083378A1 Oxidation colorants for keratin fibers |
| 11/21/1991 | DE4016177A1 Oxidationsfaerbemittel fuer keratinfasern OXIDATION for keratin fibers |
| 11/19/1991 | US5066695 High-molecular weight organic material containing a metal complex pigment basaed on hydrazone |
| 11/13/1991 | EP0456609A1 Fluorescent yellow 1,2,3,4-tetrachloro-11H-isoindolo-[2,1-a]-benzimidazol-11-one pigments |
| 11/09/1991 | CA2041887A1 Fluorescent yellow 1,2,3,4-tetrachloro-11h-isoindolo-¬2,1-a|-benzimidazol- 11-one pigments |
| 11/06/1991 | EP0455018A1 Pigment consisting of polyvalent metal salt of amidosulfonic acid and cosmetic composition containing the same |
| 10/16/1991 | EP0451761A1 Organic electronic material and electrophotographic photosensitive member containing it |
| 10/15/1991 | CA1290750C Chromogenic cryptahemispherands and their use in detecting electrolytes in an aqueous test sample |
| 10/09/1991 | EP0450765A1 Polycyclic dyes |
| 10/08/1991 | US5055580 Substituted polycylic derivatives of the 9-oxo-1,9a,10-triaza-9-hydroanthracene and method for coloring of native or synthetic materials |
| 10/08/1991 | US5055414 Phenalenimine fluorescent dyes and their use in analytical methods |
| 10/01/1991 | US5053055 Whitener dispersion |
| 10/01/1991 | US5053052 2-substituted para-aminophenols and their use for dyeing keratinous fibres |
| 10/01/1991 | CA1289964C Compositions based on a 1,4-diketo-pyrrolo¬3,4-c| pyrrole and a chemically modified derivative thereof, process for their preparation and use thereof |
| 09/24/1991 | US5051111 Containing copolymer of vinylpyrrolidone and vinylpropionic acid; storage and temperature stable |
| 09/17/1991 | US5049673 Fluorescent indicator dyes for calcium working at long wavelengths |
| 09/17/1991 | US5049467 Toner for use in the development of electrostatic latent images |
| 08/20/1991 | US5041238 o,o'-Bridged oligophenylene laser dyes, dyestuff lasers and methods of lasing therewith |
| 08/13/1991 | US5039818 For helium-neon lasers |
| 08/06/1991 | US5037578 Light source excites dyes solution to generate coherent laser radiation |
| 07/30/1991 | US5035998 Hydrolase substrates |
| 07/23/1991 | US5034016 Dye compositions for dyeing denim cotton yarn in a range of colors and dyeing process and dyed articles using same |
| 07/17/1991 | EP0437185A2 Pyrroline-resp. indoline containing phthalides |
| 07/17/1991 | EP0437105A1 Intermediates and colorants having primary hydroxyl enriched poly(oxyalkylene) moieties and their preparation |
| 07/17/1991 | EP0436940A1 Process for producing benzodi-furanone compounds useful for dyeing or printing hydrophobic fiber materials |
| 07/17/1991 | EP0436736A1 Thermal transfer sheet |
| 07/17/1991 | EP0222766B1 Labelled and labellable reagents for fluorometric assays |
| 07/09/1991 | US5030734 Solid solutions of azomethine pigments |
| 07/09/1991 | US5030537 Condensation of alkoxyaryl hydroxy chclobutane diones with n,n-dialkyl aniline derivatives |
| 07/09/1991 | CA1285955C Dyeing compounds for keratinic fibres, based on indole derivatives and novel compositions |
| 07/03/1991 | EP0435090A2 Synthesis of metal complexes of Bis- (1,2,6,7 -Tetracyano-3,5-diimino-3,5-dihydropyrrolyzinide) |
| 07/03/1991 | EP0435041A2 Heterocyclic compounds |
| 07/02/1991 | US5028467 Dithiolate metal complex compound, production method of the same, and optical information recording medium comprising the same |
| 06/29/1991 | CA2032927A1 Synthesis of the carbanion 1,1,2-tricyano-2-(3,4-dicyano-5-imino-2,5-dihydro-1h-pyrrol-2-ylidene) ethanide |