| Patents for C09B 25 - Quinophthalones (233) |
|---|
| 07/24/2003 | US20030139498 Coloring plastics |
| 07/16/2003 | EP1326924A1 Yellow inkjet ink |
| 06/04/2003 | CN1421437A Bridged peryleneone/quinolindeone |
| 05/28/2003 | EP1314754A1 Bridged Perinones/Quinophtalones |
| 05/27/2003 | CA2412553A1 Bridged perinones/quinophthalones |
| 05/07/2003 | EP1307516A2 Colorants containing copolymerizable vinyl groups and sulfonamide linkages |
| 05/07/2003 | EP1307515A2 Colorant compounds containing copolymerizable vinyl groups |
| 03/26/2003 | EP1294708A1 Quinophthalone-derivative based crystallization modifiers |
| 10/17/2002 | WO2002012402A3 Colorant compounds containing copolymerizable vinyl groups |
| 09/24/2002 | US6455208 Color filter and liquid crystal display |
| 09/19/2002 | US20020132874 Colorant compounds containing copolymerizable vinyl groups |
| 09/12/2002 | US20020128343 Colorants containing copolymerizable vinyl groups and sulfonamide linkages |
| 09/04/2002 | EP1235881A1 Dye compositions, their production and their use |
| 07/31/2002 | EP0912638B1 Dye preparations |
| 04/25/2002 | DE10050389A1 Yellow ink-jet printing ink, e.g. useful for printing photographs, contains quinophthalone dye based on 2-(3-hydroxy-7-carboxy- or -7-sulfo-indan-1-on-2-yl)-6-(6-methyl-7-sulfo-benzothiazol-2-yl)-quinoline |
| 04/18/2002 | WO2002031055A1 Yellow inkjet ink |
| 04/11/2002 | WO2002012403A3 Colorants containing copolymerizable vinyl groups and sulfonamide linkages |
| 03/06/2002 | CN1339050A Quinophthalone compounds and water based ink containing same |
| 02/14/2002 | WO2002012403A2 Colorants containing copolymerizable vinyl groups and sulfonamide linkages |
| 02/14/2002 | WO2002012402A2 Colorant compounds containing copolymerizable vinyl groups |
| 01/10/2002 | DE10030780A1 Kristallisationsmodifikation auf der Basis von Chinophthalonderivaten Crystallization modification on the basis of Chinophthalonderivaten |
| 01/03/2002 | WO2002000643A1 Quinophthalone-derivative based crystallization modifiers |
| 11/14/2001 | CN1322227A Yellow compound and water-based ink-jet recording ink containing compound |
| 10/04/2001 | EP1138723A1 Quinophthalone compounds and water-based ink containing the same |
| 09/05/2001 | EP1130064A1 Dye composition, ink composition, and ink-jet recording method |
| 08/22/2001 | EP1125990A1 Yellow compound and water-based ink-jet recording ink containing the compound |
| 08/14/2001 | US6274728 Esterified dye |
| 07/25/2001 | EP1118640A1 Bridged perinone, quinophthalone and perinone-quinophthalone |
| 05/31/2001 | WO2001038444A1 Dye compositions, their production and their use |
| 04/19/2001 | WO2001027206A1 Quinophthalone compounds and water-based ink containing the same |
| 04/18/2001 | EP0968250B1 Soluble chromophores having improved solubilising groups |
| 02/08/2001 | WO2001009256A1 Yellow compound and water-based ink-jet recording ink containing the compound |
| 09/19/2000 | US6121452 Process for the preparation of quinophthalones |
| 09/12/2000 | US6117224 Dye preparations |
| 08/09/2000 | EP1026193A1 Colored polymer thin film, color filter, and liquid crystal display |
| 05/18/2000 | WO2000027928A1 Dye composition, ink composition, and ink-jet recording method |
| 04/18/2000 | US6051360 Dyestuffs and resin compositions |
| 03/09/2000 | WO2000012591A1 Colored polymer thin film, color filter, and liquid crystal display |
| 01/05/2000 | EP0968250A1 Soluble chromophores having improved solubilising groups |
| 09/21/1999 | US5955614 Bulk dyeing of plastics in yellow shades |
| 07/13/1999 | US5922904 Benzoyl phthalic acids useful as chemical intermediates in the production of quinoline dyes |
| 05/06/1999 | EP0912638A1 Dye preparations |
| 02/23/1999 | US5874582 Reacting benzoyl phthalic acid or ester or anhydride derivatives with hydroxyquinoline derivatives; useful for bulk dyeing plastics; heat resistance, colorfastness and weatherproofing |
| 10/28/1998 | CN1197083A Bulk dyeing using quinophthalone dyestuffs |
| 10/14/1998 | EP0870752A1 Bulk dyeing using quinophthalone dyestuffs |
| 09/01/1998 | US5800573 Incorporated into polymer melts or added to monomers |
| 07/30/1998 | WO1998032802A1 Soluble chromophores having improved solubilising groups |
| 07/30/1998 | CA2275965A1 Soluble chromophores having improved solubilising groups |
| 06/30/1998 | US5773172 Solvent and binder solubility |
| 05/12/1998 | US5750599 Quinophthalone compounds and polarizing films using same |
| 03/18/1998 | EP0829522A1 Process for the preparation of quinophthalones |
| 03/12/1998 | DE19636032A1 Bridged perinone, quino-phthalone or perinone-quino-phthalone compound |
| 03/11/1998 | EP0827986A2 Bridged perinone, quinophthalone and perinone-quinophthalone |
| 12/11/1997 | WO1997046623A1 Dye preparations |
| 09/30/1997 | US5672462 Containing quinophthalone dye |
| 08/19/1997 | US5659039 Quinophthalone compounds |
| 03/25/1997 | US5614350 Photosensitive transfer material and method of image formation using the same |
| 12/18/1996 | EP0749120A1 Optical recording medium containing quinophthalone dyes |
| 04/10/1996 | EP0705885A1 Mass dyeing with quinophthalone dyes |
| 08/30/1995 | EP0669379A1 Quinophtalone compounds and polarizing films using same |
| 02/07/1995 | US5387686 Sublimable, yellow quinoline derivatives; storage stable; heat light, chemical resistant |
| 01/11/1995 | EP0633296A1 Novel dyestuffs and their use |
| 10/25/1994 | US5359075 Coloring agent for plastics, liquid crystals |
| 08/30/1994 | US5342950 Preparation of quinophthalone derivatives |
| 04/20/1994 | EP0504182B1 Method of preparation of quinophthalone derivatives |
| 03/22/1994 | US5296445 Quinoline dyes |
| 09/07/1993 | US5243052 Mixed carbonate ester derivatives of quinophthalone dyes and their preparation |
| 07/15/1993 | DE4200601A1 New phenoxy:carbonyl:alkyl-substd. dispersion dyes - used for dyeing (semi)-synthetic fibres e.g. polyester or cellulose acetate with good fastness |
| 02/10/1993 | EP0527051A1 Quinophthalone dyes, ink composition and transfer sheet containing them |
| 02/10/1993 | EP0527049A1 Quinophthalone compound |
| 04/21/1992 | US5106980 Condensing 8-aminoquinaldine with a phthalic anhydride in presence of molten benzoic acid diluent |
| 01/02/1992 | EP0463477A1 Method of preparation of quinophthalones |
| 11/06/1991 | EP0455266A1 Dye for denim cotton yarns |
| 08/20/1991 | CA1287703C Process for the preparation and conditioning of organic pigments |
| 06/25/1991 | US5026505 Pleochroic dyes with trans=4=substituted cyclohexyl groups; improved display contrast stability |
| 06/13/1991 | WO1991008264A1 Method of preparation of quinophthalone derivatives |
| 06/13/1991 | DE3940348A1 Verfahren zur herstellung von chinophthalonderivaten A process for preparing chinophthalonderivaten |
| 07/17/1990 | US4941887 Immersion of yarns, squeezing, oxidation |
| 09/12/1989 | US4866113 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups |
| 06/13/1989 | US4838943 Compounds useful as pigments containing one or more 2,2,6,6-tetraalkylpiperidine groups |
| 04/11/1989 | US4820685 Color layer of quinoline dyes and binders, on film base |
| 01/31/1989 | US4801702 Process for the preparation and conditioning or organic pigments |
| 11/15/1988 | US4785114 Quinophthalone dyes |
| 11/08/1988 | CA1244422A1 Quinophthalone compounds, processes for producing them, and their use as dyes |
| 07/27/1988 | EP0276171A2 Dyeing process for denim cotton yarns making use of a specific dye, and product dyed with the dye |
| 05/26/1988 | DE3638763A1 Pigments containing piperidyl groups |
| 03/31/1988 | DE3632039A1 Disazo pigments |
| 03/17/1988 | DE3630717A1 Azo pigment dyes |
| 12/10/1987 | DE3612148A1 Disazo pigments |
| 12/03/1987 | DE3618216A1 Azo pigments |
| 10/14/1987 | EP0241419A2 Pigments containing piperidyl groups |
| 05/26/1987 | US4668789 Liquid dye salts |
| 05/13/1987 | EP0221853A2 Process for the manufacture and for the conditioning of organic pigments |
| 04/07/1987 | US4656268 Colorfast yellow paper dyes |
| 03/26/1987 | DE3625007A1 Quinophthalone dyes |
| 05/13/1986 | US4588811 Dyestuff quinophthalone derivatives |
| 05/13/1986 | US4588517 Liquid crystal composition |
| 01/14/1986 | CA1199328A1 Organic dyes containing silane groups and process for preparing same |
| 07/02/1985 | CA1189654A1 Composite pigments and process for their preparation |
| 06/19/1985 | EP0145003A2 Liquid dyestuff salts |