| Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452) |
|---|
| 05/29/2002 | CN1351635A Reactive dye compounds |
| 05/16/2002 | US20020058794 Preparation of disazo condensation pigments in microreactors |
| 05/15/2002 | CN1349551A Anthraquinone-azo dyes and use of such compounds |
| 04/30/2002 | US6379442 Monoazonaphthol phenol dye and magenta dye |
| 04/25/2002 | WO2002033005A2 Novel substituted-polyaryl chromophoric compounds |
| 04/18/2002 | WO2002031056A1 Cationic imidazole azo dyes |
| 04/18/2002 | WO2002030374A1 Method of dyeing keratin-containing fibres |
| 04/17/2002 | EP1196500A1 Reactive dye compounds |
| 04/03/2002 | EP1192227A2 Water-based ink |
| 04/02/2002 | US6365720 Method for producing thermally cleavable, soluble pigment derivatives |
| 04/02/2002 | US6365719 Bridged disazo compounds |
| 03/13/2002 | EP1185588A1 Anthraquinone-azo dyes and use of such compounds |
| 03/06/2002 | CN1339052A Black-dyeing inks and their use |
| 02/14/2002 | US20020017218 Azo dyes and their preparation and use |
| 02/07/2002 | WO2001060933A3 Water-based ink |
| 02/05/2002 | US6344076 Monoazo dyes and inks containing them |
| 01/24/2002 | WO2002006409A1 Water-base ink and process for production of dyes |
| 01/16/2002 | CN1331730A Phthalimidyl azo pigments, method for producing same and utilisation thereof |
| 01/10/2002 | DE10032019A1 Verfahren zur Herstellung von Disazokondensationspigmenten in Mikroreaktoren A process for preparing disazo condensation pigments in microreactors |
| 01/09/2002 | CN1330115A Method for preparting tetrazo condensation pigment in micro-reactor |
| 01/02/2002 | EP1167460A1 Process for the preparation of disazo condensation pigments in microreactors |
| 01/02/2002 | EP0897577B1 Photorefractive composite |
| 12/19/2001 | CN1076370C Process for preparation of highly coloured diazo pigment mixtures |
| 12/12/2001 | EP1161499A1 Azoxy dyes and their cu complexes |
| 12/05/2001 | EP1160291A1 Azo dyes, their preparation and use thereof |
| 11/20/2001 | US6320031 Monoazo dyes and their preparation and use |
| 10/31/2001 | EP1149135A1 Black-dyeing inks and their use |
| 10/11/2001 | WO2001074950A2 Mono- and bis-hydrazone pigments |
| 10/11/2001 | WO2001021714A3 Monoazo dyestuffs useful for colour filters and ink jet printing |
| 10/11/2001 | CA2403328A1 Mono- and bis-hydrazone pigments |
| 10/10/2001 | EP1141142A1 Improved method for producing thermally cleavable, soluble pigment derivatives |
| 10/10/2001 | EP1141139A1 Azo dyes |
| 10/10/2001 | EP1141138A1 Phthalimidyl azo pigments, method for producing same and utilisation thereof |
| 10/02/2001 | US6297362 For dyeing and printing paper and other materials, especially as a dye in ink-jet inks. |
| 09/18/2001 | US6290763 AZO dyes and compositions comprising such dyes |
| 09/12/2001 | CN1070894C Azo dyes, processes for their preparation and their use |
| 08/28/2001 | US6281339 Addition products of acryloylamino-substituted dyes, and the preparation and use thereof |
| 08/23/2001 | WO2001060933A2 Water-based ink |
| 08/21/2001 | US6277966 Azo-compounds and dye polarizing films containing them |
| 08/21/2001 | US6277185 Azo dyes, inks for use in ink jet printing |
| 08/16/2001 | WO2001059012A1 Dyes, inks and their use in ink-jet printing |
| 08/16/2001 | WO2001058856A1 Non-linear optically active compounds |
| 08/14/2001 | US6274728 Esterified dye |
| 07/24/2001 | US6265554 Copper complex azo dyes, their preparation and their use |
| 07/11/2001 | EP1114106A2 Dye compositions, inks and disazo dyes |
| 07/11/2001 | CN1303416A Mono-and disazo reactive dyes |
| 06/28/2001 | US20010005748 A bisazo dye containing dye polarizing film, exhibits a high polarizing performance and excellent durability and high light fastness |
| 05/23/2001 | CN1066178C Cation acid dye, preparation and use thereof |
| 05/03/2001 | WO2001030917A1 Disazodyestuffs for ink jet printing |
| 05/03/2001 | WO2001030916A1 Disazo dyestuffs for ink jet printing |
| 04/24/2001 | US6221535 Mixture of a charge transport matrix and electrooptic dye |
| 04/18/2001 | EP0968250B1 Soluble chromophores having improved solubilising groups |
| 03/29/2001 | WO2001021714A2 Monoazo dyestuffs useful for colour filters and ink jet printing |
| 03/28/2001 | EP1086993A1 Copper complexes of azo dyestuffs, their production and use |
| 03/21/2001 | EP1085056A2 Addition products from acryloylamino-substituted dyes, their production and use |
| 03/21/2001 | EP1084196A1 Mono- and disazo reactive dyes |
| 01/03/2001 | CN1060194C Phosgenation method in course of production of dye and intermediate |
| 11/30/2000 | WO2000071622A1 Anthraquinone-azo dyes and use of such compounds |
| 11/30/2000 | CA2371290A1 Anthraquinone-azo dyes and use of such compounds |
| 11/29/2000 | EP1055709A1 Anthraquinone-azo dyes and colouration process involving such compounds |
| 11/29/2000 | CN1058977C Synthetic technology of nitro-nitrogen yellow |
| 11/23/2000 | WO2000069973A1 Reactive dye compounds |
| 11/23/2000 | CA2372273A1 Reactive dye compounds |
| 10/31/2000 | US6140477 Near-infrared ray absorbing polyazo compound |
| 10/03/2000 | US6127531 Colorfast, lightfast printing ink for paper, leather, polyamide substrates |
| 09/27/2000 | EP1037948A1 Mono-azo dyes and inks for ink-jet printing |
| 09/21/2000 | WO2000055259A1 Azoxy dyes and their cu complexes |
| 09/21/2000 | DE19911536A1 Rote Säurefarbstoffe für den Tintenstrahldruck und Papiereinfärbung Red acid dyes for ink jet printing paper and coloring |
| 09/20/2000 | EP1036823A1 Red acid dyes for ink-jet printing and for colouring paper |
| 09/20/2000 | EP1036822A1 Water-soluble red acid dyes, their preparation and use |
| 09/14/2000 | DE19911267A1 Azoxyfarbstoffe und deren Cu-Komplexe Azoxy dyes and their copper complexes |
| 09/14/2000 | DE19911195A1 Wasserlösliche rote Säurefarbstoffe, ihre Herstellung und Verwendung Water-soluble red acid dyes, their preparation and use |
| 08/30/2000 | EP1031614A1 Monoazo dyes, their production and use |
| 08/10/2000 | WO2000046309A1 Black-dyeing inks and their use |
| 08/02/2000 | CN1261907A Monoazo dyes and ink containing them |
| 07/13/2000 | WO2000040656A1 Phthalimidyl azo pigments, method for producing same and utilisation thereof |
| 07/12/2000 | EP1017744A1 Bridged monoazo compounds |
| 06/29/2000 | WO2000037567A1 Azo dyes |
| 06/21/2000 | DE19858730A1 New monoazo dyes used for dyeing and printing substrate containing hydroxyl or amido groups and in printing ink, e.g. for ink-jet printing on paper are 7-amino-8-triazinylamno-sulfophenylazo-naphthol-sulfphonic acids |
| 06/06/2000 | WO2000039221A1 Improved method for producing thermally cleavable, soluble pigment derivatives |
| 05/30/2000 | US6068687 Azo dyes and their preparation and use |
| 05/25/2000 | WO2000015723A3 Dye compositions, inks and disazo dyes |
| 05/17/2000 | CN1052496C Yellow disperse dyes of azo-diphenylamines |
| 04/26/2000 | EP0994925A1 Composition comprising a copper complex azodye and ink containing it |
| 04/26/2000 | EP0994924A1 Monoazo dyes and inks containg them |
| 04/18/2000 | US6051360 Dyestuffs and resin compositions |
| 04/12/2000 | EP0992545A1 Azo dyes and printing inks containing them |
| 04/06/2000 | DE19845640A1 Azofarbstoffe Azo dyes |
| 03/23/2000 | WO2000015723A2 Dye compositions, inks and disazo dyes |
| 01/05/2000 | EP0968250A1 Soluble chromophores having improved solubilising groups |
| 12/28/1999 | US6008330 By reducing nitrodiarylazo compounds using 1,2-alkanediols or 1,2-aminoalkanols; azo dye chemistry; no toxic hydrogen sulfide produced |
| 12/09/1999 | WO1999063005A1 Mono- and disazo reactive dyes |
| 11/30/1999 | US5993525 Two molecules of a monoazo-base dye having a triazinyl group are connected through a divalent organic bond group. |
| 11/17/1999 | EP0754207B1 Dyes for ink jet printing |
| 11/11/1999 | DE19820850A1 Use of aqueous boronic acid derivatives useful for e.g. coupling to dyes and used to dye cut flowers or live plants |
| 09/30/1999 | DE19913336A1 New near infrared absorbing polyazo compounds used e.g. in recording media, photoconductors, filters, transducers or screens |
| 09/14/1999 | US5952475 Cationic thiadiazolediphenylamine dyes for use in inkjet printing and in light-writable data storage media and in dye transfer films |
| 09/10/1999 | WO1999045017A1 Methyl red energy transfer reagent for dna analysis |
| 08/19/1999 | DE19806744A1 Preparation of aminodiaylazo compounds used as dyes and dye precursors, with high yield and selectivity |
| 08/04/1999 | CN1224709A Improved tricarbonyl chloride synthesizing process and its application |