| Patents for C09B 29 - Monoazo dyes prepared by diazotising and coupling (4,940) |
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| 11/22/1994 | US5366951 Thiazolylazoaniline dyes for use in thermal dye sublimation transfer |
| 11/15/1994 | US5364972 Preparation of nitrobenzophenones, and a color-stable modification of a benzophenone-azopyridone dye |
| 11/09/1994 | EP0623654A1 Azo dyes |
| 11/02/1994 | EP0621962A1 Functionalized merocyanine dyes and polymers incorporating such dyes |
| 11/01/1994 | CA1332806C Chromogenic substrates |
| 10/26/1994 | EP0572450B1 Azo dyes having a diazo component from the aminobenzophenone series, as well as bisulphonated pyridone compounds |
| 10/25/1994 | US5358536 Dyestuff for heat-sensitive transfer record and transfer sheet containing same |
| 10/13/1994 | WO1994022961A1 Monoazo reactive dyes |
| 10/05/1994 | EP0617802A1 Photographic elements with reduced print-through |
| 10/04/1994 | US5352774 Colorfast blue dyes for plastics and synthetic fibers |
| 09/28/1994 | EP0617089A1 Fiber-reactive azo dyes |
| 09/27/1994 | US5350731 Substrate with monoazo dyes for sheets |
| 09/22/1994 | DE4407802A1 Azo compounds and intermediates, preparation thereof and use thereof |
| 09/08/1994 | DE4407018A1 Dicyanophenylazoaniline dyes |
| 09/07/1994 | EP0613928A1 1:2 chromium complex dyes |
| 09/06/1994 | US5344465 Colorant mixtures containing azo compounds based on phenyloxadiazolylaniline |
| 08/30/1994 | US5342928 Disperse dyes for dyeing or printing textile fibers or fabrics |
| 08/24/1994 | CA2116063A1 Stabilisation of organic pigments |
| 08/23/1994 | US5340930 Water insoluble blue disperse dye; alkali perspiration fastness |
| 08/18/1994 | WO1994018274A1 Azo color for color filter and process for producing color filter |
| 08/04/1994 | WO1994017388A1 Ion selective fluorosensor based on the inner filter effect |
| 08/03/1994 | EP0608393A1 Hair dyes. |
| 08/02/1994 | US5334710 Compounds having non-linear optical properties |
| 07/19/1994 | US5330543 Thiopheneazo dyes with a coupling component of the diaminopyridine series |
| 07/12/1994 | US5328994 Azinoneutromethines |
| 07/05/1994 | US5326866 Liquid azo dye and ink composition containing the same |
| 07/05/1994 | US5326865 Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent |
| 06/29/1994 | EP0604222A1 Shade stable poly(oxyalkylene)substituted azo colorant |
| 06/29/1994 | EP0603964A2 Azopyrazolone masking couplers |
| 06/28/1994 | US5324826 Can be used to color synthetic or semi-synthetic hydrophobic high molecular weight organic material |
| 06/22/1994 | EP0602816A1 Magenta dye, jet ink, and color set |
| 06/15/1994 | EP0601401A1 Duplicated azo dyes |
| 06/15/1994 | EP0601302A1 Hair dyeing composition containing 3-pyridinazo dyes and novel 3-pyridazo dyes |
| 06/14/1994 | US5321084 Benzimidazole-derivatized azo compounds and polymers derived therefrom for nonlinear optics |
| 06/08/1994 | EP0600045A1 Hair dye. |
| 06/07/1994 | US5319105 Derivatives and anologs of monoethylglycinexylidide |
| 06/06/1994 | CA2110349A1 Doubled azo dyes |
| 05/25/1994 | EP0597900A1 Colorimetric determination of magnesium ions in fluids |
| 05/25/1994 | EP0518909B1 Water-insoluble azo dyes, their manufacture and use |
| 05/11/1994 | EP0596700A1 Cis-diol detection method and solid supports |
| 05/11/1994 | EP0485474B1 A method and a system for quantitatively monitoring a chemical component dissolved in a liquid medium |
| 05/10/1994 | US5310888 Arylazo chromoionophores |
| 04/28/1994 | WO1994009073A1 Azo dyes |
| 04/28/1994 | WO1994008797A1 Dye diffusion thermal transfer printing |
| 04/27/1994 | EP0594448A1 Silver halide photographic light-sensitive material |
| 04/27/1994 | EP0594047A1 Arylazo chromoionophores |
| 04/27/1994 | EP0594037A1 Basic dyes based on amides of I-acid (1-hydroxy-6-aminonaphthalene-3-sulfonic acid) and amides of I-acid |
| 04/26/1994 | US5306815 Azo dyes with a coupling component of the quinoline series |
| 04/26/1994 | US5306342 Aftertreating arylamide pigment by heating with arylamide yellow dyestuff under alkaline conditions |
| 04/21/1994 | DE4335261A1 New disperse mono:azo dyes contg. alkoxycarbonylalkylamino gp. |
| 04/20/1994 | CA2106830A1 Basic dyes based on amides of j-acid (1-hydroxy-6- aminonaphthalene-3-sulfonic acid) and amides of j-acid |
| 04/19/1994 | US5304244 Lightfast colors for polymers |
| 04/12/1994 | US5302704 For dyeing polyamide fibers; colorfastness |
| 03/29/1994 | US5298658 Filter dye for improved resolution, diketo azo dyes |
| 03/29/1994 | US5298610 Thiazoleazo dyes having a coupling component of the diphenylamine series |
| 03/29/1994 | US5298608 Metal chelate of a monoazo compound and optical recording medium using it |
| 03/29/1994 | US5298588 Organosilicon polymers, and dyes, exhibiting nonlinear optical response |
| 03/29/1994 | US5298378 Photographic elements with reduced print-through |
| 03/23/1994 | EP0588489A1 Disperse dyes, free from sulphonic or carboxylic acid groups |
| 03/09/1994 | EP0585654A1 Azo dyes with a coupling component of the N-(hydroxysulfonylphenylalkyl)-pyridone series |
| 03/08/1994 | US5292872 Monoazo dispersed dyes, mixtures containing them, and the preparation and the use thereof |
| 03/03/1994 | WO1994004539A1 Chromogenic reagents |
| 03/03/1994 | WO1994004123A1 Hair dyes |
| 03/03/1994 | CA2142117A1 Chromogenic reagents |
| 03/02/1994 | EP0584565A1 Process for colouring polyurethane plastics by inclusion of monoazodyes and new monoazodyes |
| 03/01/1994 | US5290630 Optical element with nonlinear optical properties: multifunctional, chromophore-containing compound polymerizable into crosslinked network and able to be poled while being polymerized; cured, poled film |
| 02/22/1994 | US5288680 Using azo dyes and disperse dyes |
| 02/15/1994 | US5286854 Basic azo dyes with a coupling component of the hydroxynaphthalenecarboxylic acid series |
| 02/09/1994 | CN1081697A Azoie dispersant color containing carbazolyl heterocyclic ring and preparation method thereof |
| 02/02/1994 | EP0581342A1 Dye-donor element for use according to thermal dye sublimation transfer |
| 02/01/1994 | US5283326 Coupling azo and cyanine dyes; colorfastness, heat resistance |
| 01/26/1994 | EP0580284A1 3,5-Dinitrothiophenazo disperse dyes |
| 01/19/1994 | EP0579297A1 Dye-donor element for use in thermal dye transfer by sublimation |
| 01/19/1994 | EP0579192A1 Monoazo disperse dyes and mixtures thereof |
| 01/19/1994 | EP0579011A1 Cationic thiadiazolediphenylamine dyestuffs |
| 01/19/1994 | EP0578870A1 Thiazolylazoaniline dyes for use in thermal dye sublimation transfer |
| 01/18/1994 | US5279621 Using monoazo dyes |
| 01/11/1994 | US5278294 Monoazo dye having diaminopyridine derivatives |
| 01/11/1994 | US5278291 Hydroxyethylthio hydroxyethylamino-phenyl-azo and -azoxy dyestuffs |
| 01/06/1994 | WO1994000518A1 Dye mixtures containing pyridonazo dyes |
| 01/06/1994 | CA2138768A1 Dye mixtures containing pyridonazo dyes |
| 01/05/1994 | DE4221008A1 Farbstoffmischungen, enthaltend Pyridonazofarbstoffe Dye mixtures comprising pyridonazo |
| 12/29/1993 | EP0575835A2 Electrophotographic photoreceptor |
| 12/23/1993 | WO1993025182A1 Hair dye |
| 12/23/1993 | DE4220388A1 Cationic azo dyes - for keratin materials showing improved evenness |
| 12/23/1993 | DE4219738A1 Haarfärbemittel Hair dye |
| 12/15/1993 | EP0573809A1 Liquid azo dye and ink composition containing the same |
| 12/14/1993 | US5270456 Azo dyes with A2-aminothiophene dye azo component and a coupling component and coupling component of the diphenylamine series |
| 12/08/1993 | EP0572973A2 Metal chelate compound and optical recording medium using the compound |
| 12/08/1993 | EP0572599A1 Ion-sensitive dyes |
| 12/08/1993 | EP0572450A1 Azo dyes having a diazo component from the aminobenzophenone series, as well as bisulphonated pyridone compounds. |
| 12/07/1993 | CA1325007C Lightfast disperse dyestuffs |
| 11/30/1993 | US5266227 Oil-soluble phenylazoaniline dyes |
| 11/25/1993 | WO1993023479A1 Azo dyes with an acetalised diazo component from the thiophene o r thiazol series |
| 11/25/1993 | WO1993023006A1 Oxidation hair dye based on a creamy carrier and process for dyeing hair |
| 11/25/1993 | DE4216381A1 Oxidationshaarfärbemittel auf der Basis einer cremeförmigen Trägermasse und Verfahren zum Färben von Haaren Oxidation hair on the basis of a creamy carrier composition and method for coloring hair |
| 11/18/1993 | EP0569759A1 Benzisothiazol and benzothiphenazo dyes with a coupling component of the aniline series |
| 11/18/1993 | DE4215495A1 Azofarbstoffe mit einer acetalisierten Diazokomponente aus der Thiophen- oder Thiazolreihe Azo dyes with a acetalated diazo component of the thiophene or thiazole |
| 10/26/1993 | US5256784 Merocyanine dyes |
| 10/19/1993 | US5254674 Diaminoazothiophene compound and a method for preparing the same |