| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
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| 02/14/2002 | WO2002012402A2 Colorant compounds containing copolymerizable vinyl groups |
| 02/14/2002 | US20020016999 Dispersant compositions improving the heat stability of transparent pigments |
| 02/14/2002 | US20020016998 Use of hydroxystilbenes for dyeing, ready-to-use composition containing them and dyeing process |
| 02/13/2002 | EP0968253B1 Fluorescent host-guest-system |
| 02/07/2002 | WO2002010288A1 Dispersant compositions improving the heat stability of transparent pigments |
| 02/07/2002 | WO2002010286A2 Process for the preparation of carboxylate and phosphonate ruthenium polypyridine dyes and a process for the preparation of reaction intermediates used in such process |
| 02/07/2002 | US20020014179 Thermally treating a liquid prepigment suspension in a microreactor |
| 02/06/2002 | EP1178084A1 Processes for the preparation of carboxylate and phosphonate ruthenium polypyridine dyes and intermediates |
| 01/24/2002 | US20020010331 Reacting succinic diester with nitrile |
| 01/24/2002 | US20020010279 Napthalimide boronate derivatives and substituted chlorobenzophenoxazinone boronate derivatives |
| 01/24/2002 | US20020009650 High electroconductivity |
| 01/23/2002 | EP1173520A1 Novel amidopyrylium fluorescence dyes |
| 01/22/2002 | US6340371 Cationic ortho-phenylenediamines, their use for the oxidation dyeing of keratin fibers, dye compositions and dyeing processes |
| 01/17/2002 | WO2001059198A3 Use of mixtures of optical brighteners to improve the wash fastness of brightened textiles |
| 01/16/2002 | EP1172418A2 Dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group |
| 01/16/2002 | EP1172417A2 Process of making finely divided opaque particles |
| 01/15/2002 | US6338741 Composition for dyeing keratin fibers which contain at least one diaminopyrazole, dyeing process, novel diaminopyrazoles and process for their preparation |
| 01/10/2002 | DE10031558A1 Verfahren zur Konditionierung von organischen Pigmenten A process for conditioning organic pigments |
| 01/09/2002 | EP0791034B1 Methine and azamethine dyes made from trifluoromethylpyridones |
| 01/09/2002 | CN1330116A Conditioning of organic pigment |
| 01/08/2002 | CA2126391C Determination of nucleic acid by pcr, measurement of number of microbial cells, genes, or gene-copies by pcr, and measuring-kit employed for the same |
| 01/02/2002 | EP1167461A2 Process for conditioning organic pigments |
| 01/02/2002 | EP1165693A2 Squaraine dyes |
| 01/01/2002 | US6335452 1-substituted 2,5-dithienyl pyrrole derivatives and film-forming materials |
| 12/26/2001 | CN1328091A Preparation of diketopyrrolo-pyrrole pigment |
| 12/25/2001 | US6333425 Ionic compounds derived from malononitrile in which anionic charge is delocalized; excellent properties of solubility and dissociation |
| 12/20/2001 | WO2001074968A8 Saccharide sensing molecules having enhanced fluorescent properties |
| 12/19/2001 | EP1163294A1 Crimson-colored pigment composition and the utilization thereof |
| 12/19/2001 | EP0639080B1 Non-azo naphthalimide dyes and use as alkylating agents |
| 12/18/2001 | US6331626 Fluorsecent whitening agents; reacting cyanuric chloride with 4,4'-diaminostilbene disulfonic acid disodium salt, aniline and diethanolamine, basifying with sodium hydroxide, evaporating to dryness |
| 12/18/2001 | US6331625 Eyeglass lenses; rapid color and brightness adjustment |
| 12/13/2001 | WO2001094314A1 Hydroxypyridone methide azo dyes |
| 12/13/2001 | DE10028686A1 New hydroxypyridone methide azo dyes, useful in e.g. dyeing and printing hydrophobic fibers, ink-jet printing and color filters |
| 12/13/2001 | DE10028104A1 Verfahren zur Herstellung von Diketopyrrologyrrol-Pigmenten A process for preparing pigments Diketopyrrologyrrol |
| 12/12/2001 | EP1162240A2 Process to manufacture diketopyrrolopyrrole pigments |
| 12/11/2001 | US6329128 Stable antihalation materials for photographic and photothermographic elements |
| 12/06/2001 | WO2001029040A3 PROCESS FOR THE PREPARATION OF PYRIMIDO[5,4-g]PTERIDINE DERIVATIVES |
| 12/05/2001 | EP1159276A2 Benzofuran-2-ones as colorants for organic materials |
| 12/05/2001 | EP1159254A1 Oxyalkylene-substituted aminophenol intermediate |
| 12/05/2001 | EP0934363B1 Process for colouring high molecular weight organic material and polycyclic pigments |
| 11/29/2001 | WO2001090257A2 Process for preparing solutions of anionic organic compounds |
| 11/29/2001 | US20010046607 Articles such as fluorescent reflective articles comprising a solvent-free polyvinyl chloride matrix, a thioxanthene fluorescent dye, and bis-(2,2,6,6-tetramethyl-4-piperidinyl) sebacate, for example; flexible film, durable color |
| 11/29/2001 | US20010044977 Using mixture of an oxidoreductase and basic amino acid |
| 11/29/2001 | CA2409364A1 Process for preparing solutions of anionic organic compounds |
| 11/27/2001 | US6323267 Isoxindigos useful as colorants and preparation thereof |
| 11/21/2001 | CN1323332A Disperse dye mixtures |
| 11/21/2001 | CN1075068C Coumarin derivatives, producing process thereof and their use as intermediates |
| 11/20/2001 | US6319657 Image forming method of photothermographic material |
| 11/20/2001 | US6319428 Perfluorinated amide salts and their uses as ionic conducting materials |
| 11/15/2001 | WO2001085851A1 Coloring composition |
| 11/14/2001 | EP1153011A1 Bis-styrylbiphenyl compounds |
| 11/14/2001 | EP0801700B1 Use of optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner |
| 11/08/2001 | US20010039358 Chromophores containing carbamate groups exhibiting high fluorescence in ultraviolet range; heat sensitive, photosensitive, chemosensitive recording material; photoluminescence, electroluminescence |
| 11/07/2001 | EP1152037A1 Squarylium compounds and optical recording media made by using the same |
| 11/07/2001 | EP0801750B1 Novel substituted phenanthropyrans |
| 11/01/2001 | WO2001081351A1 Fluorescent compounds |
| 11/01/2001 | US20010034913 Novel oxidation bases containing a guanidine chain, process for preparing them, their use for the oxidation dyeing of keratin fibers, dye compositions and dyeing processes |
| 11/01/2001 | CA2407641A1 Fluorescent compounds |
| 10/31/2001 | EP1149147A1 Fluorescent whitening agent, its preparation and use |
| 10/31/2001 | EP1149081A1 Aryloxy-poly(oxyalkylene) naphthalimide derivative colorants |
| 10/24/2001 | EP0963426B1 Fluorescent chromophore, covalently linked to an organic support material |
| 10/18/2001 | WO2001077720A1 Fluorescent retroreflective sheet |
| 10/18/2001 | WO2001077065A1 Aminostyrylanthracene compounds, intermediates for the preparation thereof, and processes for the preparation of both |
| 10/18/2001 | US20010031806 Pyrazoline and stilbene sulfonates for preparing polyamide and polyurethane fibers |
| 10/18/2001 | DE10112005A1 1-Substituierte 2,5-Dithienylpyrrol-Derivate und filmbildende Materialien 1-Substituted 2,5-dithienylpyrrole derivatives and film-forming materials |
| 10/17/2001 | EP0700420B1 Thermostable and lightfast dichroic light polarizers |
| 10/17/2001 | CN1317789A Dipyrrole methylene radical-metallic chelate and optical recording medium made of it |
| 10/17/2001 | CN1073174C Mixtures of optical brighteners mainly contg. bisstyryl compounds |
| 10/11/2001 | WO2001074968A2 Saccharide sensing molecules having enhanced fluorescent properties |
| 10/10/2001 | EP1141140A1 Naphthalenehydrazamimides and perylenehydrazamimides |
| 10/04/2001 | US20010027254 Conform stable molecular aggregates and exhibit metallic lusters; semiconductors |
| 10/03/2001 | CN1315474A Process for synthesizing fluorescent whitening agent as mixture of dibenzoxazine and distyrene |
| 09/27/2001 | US20010024749 Surface modified carbonaceous materials |
| 09/27/2001 | US20010023938 Polymer bonded to dye |
| 09/26/2001 | EP1135442A1 Disperse dye mixtures |
| 09/26/2001 | CN1314932A Process for preparing green pigment composition containing no halogen |
| 09/26/2001 | CN1071778C Thiazolylisoindolenin dye, preparation and use |
| 09/25/2001 | US6294112 Red coloring hyperchromic 3H-naphtho[2,1-B]pyrans |
| 09/19/2001 | EP1133802A1 Electro-luminescent arrangements with metal complexes that are bonded to fluorescent dyes |
| 09/12/2001 | CN1070860C Benzimidazole-isoindolenine |
| 09/11/2001 | US6288232 Synthesis of pyrazolinylnaphthalic acid derivatives |
| 09/05/2001 | EP1130584A2 Dipyrromethene-metal chelate compound and optical recording medium using thereof |
| 09/05/2001 | CN1311862A Photochromic ophthalmic lens |
| 09/04/2001 | US6284889 Chromophoric compounds and process for their preparation |
| 08/30/2001 | WO2001062759A1 Cationic pyrrolo-pyrrol-derivatives, method for producing them and colorants for keratin fibres, containing these compounds |
| 08/29/2001 | EP0898596B1 Squarate dyes and their use in fluorescent sequencing method |
| 08/29/2001 | EP0840765B1 Dye mixtures |
| 08/28/2001 | US6281361 Dibenzonaphthyrones |
| 08/23/2001 | US20010016269 Guest chromophore embedded in matrix of host chromophore, or host chromophore and an effective amount of a guest chromophore both embedded in polymer matrix; electroluminescence |
| 08/23/2001 | US20010015154 Ternary pigment compositions |
| 08/23/2001 | DE10005595A1 Verwendung von Mischungen von optischen Aufhellern zur Verbesserung der Wascheffekte aufgehellter Textilien Use of mixtures of optical brighteners to improve washing effects of brightened textiles |
| 08/22/2001 | CN1309152A Ternary pigment composition |
| 08/21/2001 | US6277984 Use as fluorescent markers; for imparting fluorescence to biological and nonbiological materials todetect various biological or other materials by procedures such as fluorescence microscopy |
| 08/21/2001 | US6277536 Heterocyclic compounds |
| 08/16/2001 | WO2001059198A2 Use of mixtures of optical brighteners to improve the wash fastness of brightened textiles |
| 08/14/2001 | US6274065 Composition comprising polymer matrix or precursor, host chromophore, pigment precursor, wherein absorption spectrum of pigment (guest chromophore), obtained from precursor, overlaps with fluorescence emission spectrum of host chromphore |
| 08/09/2001 | US20010012905 From 4-acetylnaphthalic anhydride; reacting with phenyl hydrazine while heating in a solvent |
| 08/08/2001 | EP1121393A1 Disperse dye mixtures |
| 08/08/2001 | CN1307618A Disperse dye mixtures |
| 08/07/2001 | US6271401 Fluorescent anthraquinoid pigments |