| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 07/12/1994 | US5328789 Copies or laser printing |
| 07/07/1994 | WO1994015257A1 Image-recording materials |
| 07/07/1994 | CA2119749A1 Image-recording materials |
| 07/06/1994 | EP0605404A2 Polycyclic dyes |
| 07/05/1994 | US5326872 Process for preparation of asymmetric isoindoline pigments |
| 07/05/1994 | US5326692 Fluorescent microparticles with controllable enhanced stokes shift |
| 06/29/1994 | EP0604370A1 Process for preparing a platelet form of 1,4-diketo-3,6-diphenylpyrrolo-(3,4,c)-pyrrole |
| 06/29/1994 | EP0604366A1 Storage-stable formulation of mixtures of optical brighteners |
| 06/29/1994 | EP0604278A1 Indoline derivatives and dye compositions for keratinic fibres |
| 06/29/1994 | EP0603783A1 Fluorescent stain containing pyrylium salt or its similar salt, detection method of nucleic acid by use of it, and fluorescent staining method of biological sample |
| 06/24/1994 | CA2112008A1 Process for preparing 1,4-diketo-3, 6-diphenylpyrrolo-¬3,4-c|-pyrrole |
| 06/23/1994 | CA2111915A1 Storage-stable whitener formulation |
| 06/22/1994 | EP0603132A1 Mixed crystals of sulfonated diketopyrrolopyrroles |
| 06/19/1994 | CA2111874A1 New indoline compounds; tinctorial compositions containing said compounds and process for dyeing keratinic fibers |
| 06/19/1994 | CA2111606A1 Mixed crystals of sulfonated diketopyrrolopyrroles |
| 06/15/1994 | EP0602009A2 Heterocyclic compounds |
| 06/14/1994 | US5320929 Image-recording materials |
| 06/09/1994 | WO1994012577A2 Polycyclic dyes |
| 06/09/1994 | WO1994012501A1 Benzofuranone and benzodifurantrione derivatives and process for the preparation of benzodifuranones |
| 06/07/1994 | US5319109 Polycyclic dyes |
| 05/31/1994 | US5316887 Color-providing thiazolidine or tetrahydro-1,3-thiazine compounds, with reducing agent, thermal solvent, binder and silver halide |
| 05/26/1994 | WO1994011726A1 Non-azo 1,8-naphthalimide dyes for the detection and quantitation of a paramagnetic metal cation in a non-aqueous medium |
| 05/26/1994 | CA2147876A1 Non-azo 1,8-naphthalimide dyes for the detection and quantitation of a paramagnetic metal cation in a non-aqueous medium |
| 05/25/1994 | EP0598303A1 Compositions containing benzodifuranone compounds and methods for coloring hydrophobic materials using the same |
| 05/11/1994 | EP0596292A1 Quaterrylene tetracarboxylic imides |
| 05/11/1994 | EP0596098A1 Fluorescent microparticles with controllable enhanced stokes shift |
| 05/10/1994 | US5310942 Pyridone dyes and thermal transfer thereof |
| 05/10/1994 | US5310922 Squaraine dyes |
| 05/04/1994 | EP0595089A2 Improved x-ray intensifying screen |
| 05/03/1994 | US5308773 Non-azo 1,8-naphthalimide dyes for the detection and quantitation of a paramagnetic metal cation in a non-aqueous medium |
| 04/28/1994 | WO1994008971A1 Novel n-phenyl amino pyrazole derivatives and means and process for colouring hair |
| 04/27/1994 | CA2106722A1 X-ray intensifying screen |
| 04/21/1994 | DE4234886A1 Neue N-Phenylaminopyrazol-Derivate sowie Mittel und Verfahren zur Färbung von Haaren New N-Phenylaminopyrazol derivatives and compositions and methods for dyeing hair |
| 04/19/1994 | US5304659 Reacting a nitrophenyl-type compound with a benzofuranone compound |
| 04/14/1994 | DE4334735A1 Alkylene bis melamine derivs. - useful for white pigment compositions for paper coating |
| 04/13/1994 | EP0591736A2 Use of pyridine dyes for textiles, mixtures of dyes containing pyridine dyes, and triazolopyridine dyes with a thienyl radical |
| 03/08/1994 | CA1327609C 2-substituted para-aminophenols and their use for dyeing keratinic fibers |
| 03/03/1994 | WO1994004539A1 Chromogenic reagents |
| 03/03/1994 | WO1994004497A1 Organic compounds |
| 03/03/1994 | CA2142117A1 Chromogenic reagents |
| 02/16/1994 | EP0582579A1 N-aminopyridone dyes. |
| 02/15/1994 | US5286881 Reacting substituted hydroxy benzofuranone with acetonitrile compound in presence of acid catalyst, oxidizing |
| 02/01/1994 | WO1994003835A1 Thermally developable photosensitive material |
| 02/01/1994 | US5283165 Pyrrolinone dyes |
| 02/01/1994 | CA2112240A1 Image-forming materials including color-providing compounds comprising two or more cyclic 1,3-sulfur-nitrogen groups and two or more color- providing moieties |
| 01/25/1994 | US5281241 Polycyclic dyes |
| 01/18/1994 | US5280128 Process for the preparation of benzothioxanthene dyestuffs |
| 01/04/1994 | US5275928 Arylidene sensitizing dyes for tabular grains |
| 01/04/1994 | US5275925 Infrared-absorptive compound containing optical recording medium |
| 12/28/1993 | US5274113 Long wavelength chemically reactive dipyrrometheneboron difluoride dyes and conjugates |
| 12/28/1993 | US5274112 Dyes for plastics and fibers |
| 12/22/1993 | EP0575056A1 Preparation of polycyclic dyes |
| 12/15/1993 | EP0574154A1 An electrophotographic organic photoconductor |
| 12/15/1993 | EP0574148A1 Polycyclic dyes |
| 12/15/1993 | EP0574118A1 Polycyclic dyes |
| 12/09/1993 | WO1993024457A1 Azavesamicols |
| 12/09/1993 | CA2134338A1 Azavesamicols |
| 12/07/1993 | US5268490 Benzofuranones |
| 11/25/1993 | WO1993023492A1 Fluorescent microparticles with controllable enhanced stokes shift |
| 11/24/1993 | EP0570800A2 New perinone dyes for the bulk dyeing of synthetic materials |
| 11/24/1993 | EP0570778A1 Process for the preparation of 4-(2-aminophenylthio)-naphthalene 1-8 dicarboxylic acid anhydride derivatives |
| 11/23/1993 | US5264622 Water-soluble methylenebis(dialkylaniline) derivatives and application thereof |
| 11/18/1993 | EP0570111A1 Polycyclic dyes |
| 11/11/1993 | DE4215826A1 New selenazolyl and selenophenyl squaric acid dyestuff cpds. - prepd. by reacting N,N-di or N-mono-substd. 2-amino:selenazole(s) with squaric acid or ester(s) in polar solvent |
| 11/10/1993 | EP0569138A1 Preparation of polycyclic dyes |
| 11/10/1993 | EP0568877A1 Squarylium compounds and optical information recording medium using the same |
| 11/09/1993 | CA1324154C Chromophores, sunscreen compositions and methods for preventing sunburn |
| 11/09/1993 | CA1324153C Sunscreen agents, sunscreen compositions and methods for preventing sunburn |
| 11/09/1993 | CA1324145C Derivatives of 4-nitrobenz-2-oxa-1,3-diazole as fluorescent tracer compounds |
| 11/03/1993 | EP0568497A1 Chromogene methylenepyrrolins |
| 11/02/1993 | US5258511 Pyrazoloazepinones and methods of using such pyrazoloazepinones to dye synthetic fibers and to pigment pastes, paints, printing inks, colored paper and colored macromolecular substances |
| 10/27/1993 | EP0567119A2 Benz-cd-indole merocyanine blue dyes for color filter array element |
| 10/14/1993 | WO1993019725A1 Agents for colouring keratin-containing fibres |
| 10/13/1993 | EP0565074A2 Process for the preparation of binary sensitizing dyes |
| 10/07/1993 | DE4211450A1 Agent for colouring keratin-contg. fibres, e.g. hair - contg. an aq. carrier, an isatin deriv., and an aminoacid or oligopeptide |
| 10/05/1993 | CA1322758C 1,4-dithio-pyrrolo-¬3,4-c|pyrrole derivatives |
| 09/30/1993 | WO1993018789A1 Non-azo naphthalimide dyes and uses for same |
| 09/30/1993 | WO1993018738A1 Dyeing of keratin fibres using indolines with metal catalysis |
| 09/30/1993 | DE4122563A1 New bis:amino-thiazoldi:yl squaric acid betaine dyestuff cpds. - having intense long wave absorption, useful e.g. in information recording and laser technology |
| 09/30/1993 | CA2132295A1 Dyeing of keratin fibers with indolines using metal salts as catalysts |
| 09/28/1993 | US5248782 Long wavelength heteroaryl-substituted dipyrrometheneboron difluoride dyes |
| 09/28/1993 | US5248774 Pigments |
| 09/23/1993 | DE4208297A1 Faerben von keratinischen fasern mit indolinen unter metallkatalyse Dyeing of keratin fibers with indoline under metal catalysis |
| 09/22/1993 | EP0561686A1 2-Methyl-4, 4A-dihydro-3H-carbazolium salts and dyes derived therefrom |
| 09/16/1993 | WO1993018093A1 Colouring agents for natural and synthetic fibres |
| 09/15/1993 | EP0560722A1 Chromogenic lactam compounds, their production and use |
| 09/15/1993 | EP0560499A1 Polycyclic dyes |
| 09/09/1993 | DE4206537A1 Neue faerbemittel fuer fasern natuerlichen ursprungs und synthetische fasern New coloring agents for fibers and synthetic fibers natural origin |
| 09/08/1993 | EP0559611A1 Stabilization of pyrrolopyrrolpigments |
| 09/08/1993 | EP0559345A1 Polycyclic dyes |
| 09/08/1993 | EP0558658A1 Protein staining compositions and methods |
| 09/06/1993 | CA2090924A1 Stabilisation of pyrrolopyrrole pigments |
| 09/01/1993 | EP0557357A1 Labelling agents comprising boronic acid conjugates. |
| 08/31/1993 | US5241068 Intermediates for dyes and pigments for coloring plastics; especially polystyrene and polymethyl methacrylate |
| 08/17/1993 | US5236884 Thermal imaging methods and materials |
| 08/11/1993 | EP0554696A2 Dye mixtures for the dyeing of textile hydrophobic fiber materials |
| 08/10/1993 | US5235045 Viricides |
| 08/10/1993 | US5234818 3-aminopyrazolo heterocyclic derivatives, and use for colorimetric determinations |
| 08/04/1993 | EP0553427A1 Water-soluble methylenebis(dialkylaniline) derivatives and application thereof |
| 07/27/1993 | US5231190 Squarylium compounds, and processes and intermediates for the synthesis of these compounds |