| Patents for C09B 57 - Other synthetic dyes of known constitution (5,224) |
|---|
| 04/16/1998 | WO1998015533A1 Method for producing 1,8-diaminonaphthalines and their 2,3-dihydroperimidine derivatives |
| 04/16/1998 | DE19641689A1 Verfahren zur Herstellung von 1,8-Diaminonaphthalinen und ihrer Derivate der 2,3-Dihydroperimidine Process for the preparation of 1,8-diaminonaphthalenes and their derivatives of the 2,3-Dihydroperimidine |
| 04/15/1998 | EP0835906A2 Dispersions of optical brightening agents |
| 04/15/1998 | EP0629221B1 Colouring agents for natural and synthetic fibres |
| 04/14/1998 | US5739318 Non-proteinaceous conjugate of boronic acid and dye having absorption maximum at specified wavelength |
| 04/14/1998 | US5739296 Method and materials for thermostable and lightfast dichroic light polarizers |
| 04/14/1998 | US5738719 Mixing dinitrilo-diketopyrrolopyrrole crystal growth inhibitor into alkaline reaction mixture of succinic diester and nitrile compound before or during synthesis |
| 04/09/1998 | WO1998014435A1 Fiber-reactive brighteners of bis-s-triazinylaminostilbene |
| 04/09/1998 | DE19653292C1 Non oxidative hair dyes |
| 04/09/1998 | CA2268139A1 Fiber-reactive brighteners of bis-s-triazinylaminostilbene |
| 04/09/1998 | CA2239296A1 Glycoconjugates as virus cell adhesion inhibitors |
| 04/01/1998 | EP0832937A1 Water-soluble perylene dyes, their preparation and use |
| 03/25/1998 | EP0831095A2 Process for the preparation of dicetopyrrolopyrrole carboxylic acids, their esters and amides |
| 03/18/1998 | EP0748465B1 Dihydroperimidine squarylium dyes as antihalation and acutance materials for photographic and photothermographic articles |
| 03/18/1998 | EP0627096B1 Image-recording materials |
| 03/17/1998 | US5728867 Laser recording |
| 03/12/1998 | DE19636032A1 Bridged perinone, quino-phthalone or perinone-quino-phthalone compound |
| 03/11/1998 | EP0827986A2 Bridged perinone, quinophthalone and perinone-quinophthalone |
| 03/10/1998 | US5725607 Computed electrostatic shielding energy |
| 03/05/1998 | WO1998008487A2 Compositions containing pyrrolo-oxazoles for dyeing keratin fibres; their use for dyeing as couplers, method of dyeing |
| 03/04/1998 | EP0826668A1 Derivatives of 2-imino-2,3-dihydro-1H-indole and their use in hair dyeing compositions |
| 03/03/1998 | US5723626 Fluorescent isoindoline pigments |
| 03/03/1998 | US5723617 Pyrrolo 2,1-a!isoquinoline dyes |
| 02/25/1998 | EP0825192A1 Benzoxazolylisoindolenines |
| 02/25/1998 | EP0824718A1 Stable antihalation materials for photographic and photothermographic elements |
| 02/18/1998 | EP0823927A2 Ink composition |
| 02/17/1998 | US5719288 Pyridone dyes |
| 02/11/1998 | EP0822804A1 Hair colorants based on perimidine derivatives |
| 02/10/1998 | US5717112 Intermediates for dyes, agrochemicals, drugs |
| 02/10/1998 | US5716446 Printing ink; toners; powder coating |
| 02/03/1998 | US5714616 For use in nonlinear optics |
| 01/29/1998 | DE19617486A1 Hair dyeing agent applicable at room temperature |
| 01/28/1998 | CN1171402A Process for preparing diketopyrrolopyrrole derivatives |
| 01/27/1998 | US5712223 Yellow dyes with improved efficiency |
| 01/20/1998 | US5710197 Methyl methacrylate polymer and fluorescent perylene or coumarin pigments |
| 01/14/1998 | EP0818512A1 Quinoline derivative and use of same |
| 01/13/1998 | US5707792 Leuco dyes |
| 01/13/1998 | US5707544 Chromophore-containing photo cross-linkable liquid crystals |
| 01/07/1998 | EP0764291B1 Electrophotographic toner |
| 01/02/1998 | DE19723623A1 Reversible heat-sensitive composition with high image density and rapid good erasure |
| 01/02/1998 | DE19626020A1 Synthetic siderophore compounds |
| 12/31/1997 | WO1997049669A1 Compounds which can form complexes with metals |
| 12/31/1997 | WO1997049378A1 PYRAZOLO-(1,5-a)-PYRIMIDINE DERIVATIVES, THEIR PREPARATION AND HAIR DYES CONTAINING THESE |
| 12/31/1997 | CN1169155A Substituted quaterrylene tetracarboxylic acid diimides |
| 12/30/1997 | US5703229 Method for tagging thermoplastic materials with near infrared fluorophores |
| 12/30/1997 | US5703005 Thermosensitive coloring composition and reversible thermosensitive recording medium using same |
| 12/29/1997 | EP0814083A2 Process for the preparation of 1-methoxy-2-propyl ester of 3-(7-diethylamino-2-oxo-2H-chromene-3-yl)-3-oxo-propionic acid |
| 12/24/1997 | CN1168686A Benzopyran dyes and their intermediates |
| 12/23/1997 | US5700757 Triazolopyridine dyes and intermediates therefor |
| 12/17/1997 | CN1168151A Process for producing and purifying perylene-3,4-dicarboxylic acid imides |
| 12/16/1997 | US5698705 Isoindoline pigments |
| 12/10/1997 | EP0811662A2 Isoindoleninamide dyes |
| 12/10/1997 | EP0811625A2 Process for preparing diketopyrrolopyrrole derivatives |
| 12/10/1997 | EP0801750A4 Novel substituted phenanthropyrans |
| 12/05/1997 | CA2206756A1 Process for preparing diketopyrrolopyrrole derivatives |
| 12/04/1997 | WO1997045492A1 Method of making solvent soluble squaraine dyes |
| 12/04/1997 | WO1997045491A1 Pyridone colorants |
| 12/02/1997 | US5693823 Process for preparing 1,1-disubstituted-1H-benzo e!indole compound and hydroxyl-substituted compound thereof |
| 12/02/1997 | US5693808 Process for the preparation of peryleneimides, novel di-, tri- and tetrachromophoric perylene dyes and their use |
| 11/27/1997 | DE19621026A1 Pyridonfarbstoffe Pyridone dyes |
| 11/26/1997 | EP0808893A2 A method for whitening a detergent composition |
| 11/26/1997 | EP0808837A1 Stilbene compounds as fluorescent whitening agents, as UV absorbers and their use to increase the sun protection factor of textile material |
| 11/26/1997 | EP0808721A1 Dye-donor element for use in thermal transfer printing |
| 11/26/1997 | CN1165824A Polymerizable diketopyrrolopyrroles and polymers prepared therewith |
| 11/25/1997 | US5691172 Lipsticks, nail polish or hair lotions |
| 11/20/1997 | WO1997043695A1 Compositions and processes for photogeneration of acid |
| 11/18/1997 | US5688758 Cationic, amphoteric, or anionic surfactants, fluorescent whitening dyes and fabric care compounds |
| 11/13/1997 | WO1997042173A1 New diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods |
| 11/13/1997 | CA2253898A1 New diamino pyrazols, their synthesis, keratin fibre dyeing compositions containing them, keratin fibre dyeing methods |
| 11/12/1997 | EP0806198A2 Dyeing composition |
| 11/11/1997 | US5685901 Colorfastness; enhanced rheology, shelf life |
| 11/05/1997 | EP0804508A1 Process for producing and purifying perylene-3,4-dicarboxylic acid imides |
| 11/05/1997 | EP0804507A1 Substituted quaterrylene tetracarboxylic acid diimides |
| 10/30/1997 | WO1997040104A1 Squarate dyes and their use in fluorescent sequencing method |
| 10/30/1997 | CA2251985A1 Squarate dyes and their use in fluorescent sequencing method |
| 10/28/1997 | US5681685 Photopolymerizable composition containing squarylium compound |
| 10/22/1997 | EP0802178A2 Schiff base quinone complexes and optical recording materials comprising the same |
| 10/22/1997 | EP0801750A1 Novel substituted phenanthropyrans |
| 10/22/1997 | EP0801700A1 Use of optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this manner |
| 10/21/1997 | US5679148 Coloring high molecular weight organic material; having superior gloss and rheology |
| 10/15/1997 | EP0684950A4 Chemical compounds useful in photodynamic therapy and production of laser light. |
| 10/14/1997 | US5677417 Tetraaroxyperylene-3,4,9,10-tetracarboxylic polyimides |
| 09/30/1997 | US5672716 Yellow diketopyrrolopyrrole pigments |
| 09/24/1997 | EP0797376A2 Electroluminescent structure using blend systems |
| 09/24/1997 | EP0796298A1 Benzopyran dyes and their intermediates |
| 09/24/1997 | EP0736069B1 Pyridone dyes |
| 09/23/1997 | US5670315 Amplification; quantitative analysis |
| 09/17/1997 | CN1159463A Pyridone-methide azo dyestuffs |
| 09/12/1997 | WO1997032884A1 Meso-substituted tripyrrane compounds, compositions, and methods for making and using the same |
| 09/09/1997 | US5665150 Dye and ink compositions |
| 09/03/1997 | CN1158629A Naphtholactam dyes |
| 09/02/1997 | US5663371 Process for preparing polycyclic dyes |
| 08/27/1997 | EP0791034A1 Methine and azamethine dyes made from trifluoromethylpyridones |
| 08/26/1997 | US5660970 Storage stability; compact disks |
| 08/20/1997 | EP0790529A2 Color proofing article incorporating novel antihalation dye |
| 08/20/1997 | EP0790238A2 Process for preparing 1,1-disubstituted-1h-benzo[e]indole derivatives and hydroxyl-substituted 1,1-disubstituted-1H-benzo[e]indole derivatives |
| 08/20/1997 | EP0669922B1 Benzofuranones, benzodifurantriones and processes for the preparation of benzodifurandiones |
| 08/13/1997 | EP0789266A1 Silver halide photographic light sentitive material |
| 08/12/1997 | US5656750 Reacting 1,3-disubstituted-2-unsubstituted squarylium dye with alkylating agent to produce 2-alkoxy compound, reacting with ammonia or primary or secondary amine to produce 2-amino compound |
| 08/07/1997 | WO1997028221A1 Preparation process of benzodifuranone dyes |