| Patents for C09B 53 - Quinone imides (603) |
|---|
| 10/27/1993 | EP0567172A1 Dye-donor element for use in thermal dye sublimation transfer |
| 10/12/1993 | US5252530 Base sheet and dye carrier layer containing indoaniline dyes |
| 09/21/1993 | US5246466 2-Nitroresorcinol with a color modifier; brown shades |
| 09/15/1993 | EP0285665B1 Thermal transfer sheet |
| 09/08/1993 | EP0559217A1 2-Alkoxy-3,5-diaminopyridine derivatives and their salts, and dye compositions for keratinous fibers containing them |
| 09/01/1993 | EP0557820A2 Azine neutromethine compounds |
| 07/06/1993 | USRE34300 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 compositions |
| 07/06/1993 | US5225548 Printing |
| 06/22/1993 | US5221658 Heating to transfer dyes from transfer sheet to plastic coated receivers |
| 06/08/1993 | US5218120 Used in thermal transfer process |
| 06/01/1993 | US5216169 Useful for image-forming in color photographs, color electrophotographs, ink jet systems, thermo-sensitive transfer systems and printing |
| 05/25/1993 | US5214140 Thermal printing |
| 04/14/1993 | EP0406333B1 A heat sensitive recording element and a thermographic method |
| 03/30/1993 | CA1315297C Benzene-1,3-diamines; process for preparing them; intermediates and use of these benzene-1,3-diamines as coupling agents for the oxidation dyeing of keratinic fibers, especially human hair |
| 03/17/1993 | EP0532006A1 Mixture of dyes for black dye donor for thermal color proofing |
| 03/16/1993 | CA1314564C Chlorometaphenylenediamines and their use as couplers for the oxidative dyeing of keratinic fibers; tinctorial compositions for hair containing these products and dyeing process using said compositions |
| 02/02/1993 | US5183474 Heat-sensitive sublimation transfer cyan dye and transfer sheet |
| 01/27/1993 | EP0524215A1 Oxidation pigments |
| 12/09/1992 | EP0517284A1 Dye and heat transfer sheet comprising said dye |
| 11/04/1992 | WO1992019684A1 N-aminopyridone dyes |
| 11/04/1992 | CA2106779A1 N-aminopyridone dyes |
| 10/27/1992 | US5158928 Diffusion transfer |
| 10/15/1992 | WO1992017455A1 Manufacture of aromatic amines |
| 10/06/1992 | US5153680 Organic dye thin film and organic thin film element |
| 09/16/1992 | EP0503569A1 Cyan dyes for thermal transfer printing |
| 09/15/1992 | US5147845 Printing |
| 09/08/1992 | US5145483 Hair dyes |
| 09/01/1992 | CA1306952C Coupler of 2,4-diamino-1,3-dimethoxybenzene, or one of its salts, associated with oxidation dye precursors, used to dye human hair, composition of hair dyecontaining such coupler and process for the preparation of said coupler |
| 07/21/1992 | US5132438 Bichromophoric methine and azamethine dyes and process for transferring them |
| 07/21/1992 | US5132268 Mixture of cyan, magenta and yellow dyes, dye transfer imaging, thermal printing |
| 07/14/1992 | CA1305183C 2,4-diamino-1,3,5-trimethoxybenzene, a process for its preparation and itsuse as a coupler in oxidation dyes for keretinic fibers |
| 07/07/1992 | US5128312 Thermal transfer dye donating material |
| 06/16/1992 | US5122611 Method of producing azomethine or indoaniline series dyes |
| 04/28/1992 | US5108903 Reducible compounds which provide leuco dyes for analytical compositions, elements and methods of using same |
| 04/28/1992 | US5108902 Microorganism detection; medical diagnosis |
| 04/28/1992 | US5108873 IR-ray absorptive compound and optical recording medium by use thereof |
| 04/15/1992 | EP0480281A1 Indophenoldyes and a procedure for their thermal transfer |
| 04/15/1992 | EP0480252A1 Pyridone dyes and a method for their thermal transfer |
| 04/14/1992 | US5104980 Colorimetric enzyme determination |
| 04/09/1992 | DE4031804A1 New indophenol dyestuff cpds. used in transfer printing - prepd. by condensing 4-aminophenol-nitroso or carbonyl deriv. with phenol cpd. |
| 04/09/1992 | DE4031254A1 New quinoline aza methine dyestuff cpds. for use in transfer - by diffusion or sublimation, for dyeing synthetic material or making colour filter or toner |
| 04/08/1992 | EP0479076A1 Process for transfer of indoaniline dyestuffs |
| 04/08/1992 | EP0479068A1 Chinolinmethin dyes and process for their thermal transfer |
| 04/07/1992 | CA1298444C Process for dyeing keratinic fibers with 5,6-dihydroxyindoleand hydrogen peroxide, with and iodide treatment before or after |
| 04/07/1992 | CA1298443C Process for dyeing keratinic fibres with 5,6-dihydroxyindoleassociated with an iodide, and dyeing composition thus obtained |
| 03/31/1992 | US5101035 Thermal printing, improved migration properties, color intensity, water and chemical resistance |
| 02/25/1992 | CA1296186C Cyan dye-donor element for thermal dye transfer |
| 01/21/1992 | US5082823 Cyan dyes for use in thermal dye sublimation transfer |
| 01/21/1992 | CA1294477C Color photographic sensitive materials |
| 01/07/1992 | US5079365 Triazolopyridine dyes and thermal transfer of methine dyes |
| 10/31/1991 | DE4109751A1 Naphthoquinone-thiazol(-2-)one azine derivs. prodn. - by coupling hydrazone and naphthol in presence of hydrogen peroxide and peroxidase, useful as basis for clinical assays |
| 10/17/1991 | WO1991015188A1 Oxidation pigments |
| 10/02/1991 | EP0449109A2 Indonaphthol dyes and a process for their thermal transfer |
| 10/01/1991 | US5053052 2-substituted para-aminophenols and their use for dyeing keratinous fibres |
| 09/25/1991 | CN1014023B Process for dyeing keratinous fibres with 5,6-dihydroxyindole combined with an iodide and dyeing composition employed |
| 09/25/1991 | CN1014022B Process for dyeing keratinous fibre with 5,6-dihydroxyindole and hydrogen penoxide |
| 08/28/1991 | EP0443045A1 Heat-sensitive sublimation transfer cyan dye and transfer sheet |
| 08/27/1991 | US5043269 Chromogenic substrate to peroxidase enzymes |
| 08/22/1991 | DE4004612A1 New bi:chromophoric methine and aza-methine dyestuff cpds. and use |
| 08/20/1991 | US5041608 P-phenylene diamine derivatives |
| 08/20/1991 | US5041605 Contacting coupler intermediate having nitro group with hydrogen donor, acylating |
| 08/14/1991 | EP0441282A1 Bichromophore methine and azamethine dyestuffs and a process for their transfer |
| 08/14/1991 | EP0441208A1 Use of azo-dyes for thermal transfer printing |
| 07/16/1991 | US5032137 Hair dye |
| 07/09/1991 | CA1285955C Dyeing compounds for keratinic fibres, based on indole derivatives and novel compositions |
| 06/19/1991 | EP0192778B1 Optical recording medium |
| 06/05/1991 | EP0430335A2 Improved method of synthesizing phenolic cyan-dye-forming photographic couplers |
| 06/04/1991 | US5021393 Stable quinonediimine dyes |
| 05/14/1991 | US5015772 Meta-phenylenediamines, process for preparation thereof, intermediate compounds and use of these meta-phenylenediamines as couplers for the oxidation dyeing of keratinous fibres and especially human hair |
| 05/07/1991 | CA1283925C Compositions used to dye keratinous fibers, specifically human hair, the said dye containing the precursors of oxydative dyes and heterocyclic couplers, process in which the said compositions are used, novel heterocyclic couplers used and process for their preparation |
| 04/16/1991 | CA1283124C Keratinic fiber dye composition having a 2-nitro-metaphenylenediamine base, process for its preparation and novel 2-nitro-metaphenylenediamine used |
| 03/14/1991 | WO1991004301A1 Heat-sensitive sublimation transfer cyan dye and transfer sheet |
| 03/14/1991 | CA2040426A1 Heat-sensitive sublimation transfer cyan dye and transfer sheet |
| 03/13/1991 | EP0416434A2 Triazole pyridine dyes and a thermal transfer process of methine dyes |
| 03/06/1991 | EP0415203A2 Thiazole dyes of the merocyanine type and a thermal transfer process using these dyes |
| 02/12/1991 | US4992586 Dehalogenation of a halonitrobenzene compound |
| 02/05/1991 | US4990484 Heat transfer sheets |
| 02/05/1991 | US4990433 Metal-containing indoaniline compound and optical recording medium employing the compound |
| 01/22/1991 | US4987120 Thermosensitive transfer material |
| 01/22/1991 | US4985955 Process for dyeing keratinous fibres with couplers and/or "rapid" oxidation dyes combined with an iodide and dyeing composition employed |
| 01/15/1991 | US4985042 New substituted metaaminophenols, a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process |
| 01/09/1991 | EP0406333A1 A heat sensitive recording element and a thermographic method. |
| 12/25/1990 | US4979961 p-phenylenediamines, process for preparation thereof, dyeing composition containing them and corresponding dyeing process |
| 12/19/1990 | EP0402699A2 Chromogenic dibenzoxazepinone and dibenzothiazepinone enzyme substrates |
| 12/11/1990 | US4976742 META-aminophenols useful as oxidation hair dye couplers |
| 10/31/1990 | EP0394563A1 Cyan dyes in dye-donor elements for thermal dye transfer |
| 10/24/1990 | EP0393252A1 Novel cyan dyes for use in thermal dye sublimation transfer |
| 10/02/1990 | US4960432 Meta-phenylenediamines, process for preparation thereof, intermediate compounds and use of these meta-phenylenediamines as couplers for the oxidation dyeing of keratinous fibres and especially human hair |
| 09/04/1990 | US4954420 Metal-containing indoaniline compound and optical recording medium employing the compound |
| 09/04/1990 | US4954131 Substituted metaaminophenols, a process for their preparation, hair-dyeing compositions containing them and a hair-dyeing process |
| 05/09/1990 | EP0366963A1 Thermosensitive transfer material |
| 05/02/1990 | EP0366542A1 5-Substituted ortho-aminophenols, process for their preparation and their use in the oxidation dyeing of keratinic fibres |
| 04/10/1990 | US4916040 Photosensitive member with photoconductive layer comprising N-cyanoimine compound |
| 04/04/1990 | EP0361197A1 Heat transfer sheets |
| 04/04/1990 | EP0211238B1 Aminophenols and their use as oxidation hair dyeing agents |
| 03/27/1990 | US4912084 Heat transfer sheet |
| 03/21/1990 | EP0359618A1 2-Substituted para-aminophenols and their use in the coloration of keratinic fibres |
| 02/08/1990 | WO1990000978A1 A heat sensitive recording element and a thermographic method |
| 01/10/1990 | EP0350254A2 Reducible compounds which provide leuco dyes, and analytical compositions, elements and methods containing same |
| 01/10/1990 | EP0350253A2 Reducible compounds which provide aniline dyes, and analytical compositions, elements and methods using same |