| Patents for C09B 53 - Quinone imides (603) |
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| 09/04/2002 | EP0767836B1 Purified polyporus laccases and nucleic acids encoding same |
| 08/28/2002 | EP1234569A1 Compositions for dyeing horny fibers |
| 07/25/2002 | US20020095732 Compositions for oxidation dyeing keratinous fibers comprising at least one oxidation precursor, and at least one direct dye, and dyeing methods |
| 07/10/2002 | EP1221627A2 Near infrared absorption material |
| 06/28/2002 | CA2366339A1 Near infrared absorption material |
| 02/05/2002 | US6344497 Ink jet printer |
| 11/29/2001 | US20010045176 Oil soluble dye |
| 11/21/2001 | EP0929614B1 Aqueous ink compositions |
| 10/31/2001 | EP1149575A1 Oxidative dyeing composition for keratin fibres comprising 1-(4-aminophenyl)-pyrrolidine and a particular direct dye |
| 06/07/2001 | WO2001039736A1 Compositions for dyeing horny fibers |
| 05/22/2001 | US6235096 Water, ink and polymer with dye |
| 03/20/2001 | US6203579 Use of 1-substituted isatins to dye fibers containing keratin |
| 03/13/2001 | US6200371 Aqueous ink compositions |
| 01/24/2001 | CN1281352A Hair colorant preparation |
| 09/20/2000 | EP1035825A2 Hair colorant preparation |
| 07/19/2000 | EP0929615B1 Aqueous ink compositions |
| 06/28/2000 | EP1011619A1 Dyeing composition for keratin fibres |
| 05/23/2000 | US6066593 Thermal transfer sheet |
| 02/09/2000 | EP0977545A1 The use of 1-substituted isatins to dye fibers containing keratin |
| 11/30/1999 | US5993791 Oxidation dye composition for keratinous fibres comprising a para-aminophenol, a meta-aminophenol and a 2-substituted para-aminophenol |
| 11/23/1999 | US5989772 Thermal recording element's dye layer contains polymethine or cyanine stabilizing dye having an absorption wavelength maximum longer than the infrared laser light-absorbing dye, so the energy absorbed is transferred to stabilizing ir dye |
| 10/20/1999 | CN1232483A Aqueous ink compositions |
| 10/20/1999 | CN1232482A Aqueous ink compositions |
| 10/20/1999 | CN1232481A Aqueous ink compositions |
| 09/14/1999 | US5952475 Cationic thiadiazolediphenylamine dyes for use in inkjet printing and in light-writable data storage media and in dye transfer films |
| 07/29/1999 | WO1999029285A3 Hair colorant preparation |
| 07/21/1999 | EP0929616A1 Aqueous ink compositions |
| 07/21/1999 | EP0929615A1 Aqueous ink compositions |
| 07/21/1999 | EP0929614A1 Aqueous ink compositions |
| 07/13/1999 | US5922085 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye |
| 07/06/1999 | US5919928 Phenanthridine derivatives and metal complexes thereof used for transparent recording medium or optical recording medium |
| 06/17/1999 | WO1999029285A2 Hair colorant preparation |
| 06/17/1999 | CA2313103A1 Hair colorant preparation |
| 06/10/1999 | DE19754281A1 Haarfärbemittel-Zubereitung Hair dye preparation |
| 05/06/1999 | EP0658094B1 Oxidative keratin fibre dyeing composition containing a para-aminophenol, a meta-aminophenol and an ortho-aminophenol, and dyeing method using said composition |
| 04/21/1999 | EP0909794A1 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation by-products of the manufacture of a triphenylmethane dye |
| 04/14/1999 | EP0908445A1 Oxidation dyeing composition for keratin fibres containing an amino acid derivative as oxidation base and aminoacid derivatives |
| 04/14/1999 | EP0791035B1 Azamethine dyes |
| 04/07/1999 | EP0796297B1 Methine dyes based one formylaminopyridones |
| 04/06/1999 | US5892042 Acridine derivative metal complexes used for transparent recording medium or optical recording medium |
| 03/30/1999 | CA2246032A1 Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye |
| 03/11/1999 | WO1999011231A1 Dyeing composition for keratin fibres |
| 03/09/1999 | US5879411 Composition and method for dyeing keratin fibers with o-benzoquinones and amino- or hydroxy-containing compounds |
| 03/03/1999 | EP0899124A1 Cyan dye mixtures for thermal color proofing |
| 02/23/1999 | US5874196 Cyan dye mixtures for thermal color proofing |
| 02/10/1999 | EP0756546B1 Dye diffusion thermal transfer printing |
| 02/09/1999 | US5868800 Composition for the oxidation dyeing of keratinous fibres, comprising a para-phenylenediamine derivative and a 6-hydroxy-1, 4-benzomorpholine and dyeing process using such a composition |
| 01/20/1999 | EP0765154B1 Direct-acting hair colouring agent |
| 12/16/1998 | EP0884367A2 Cationic diphenylamine dyestuffs and their anhydrobases |
| 12/15/1998 | US5849361 Methine dyes based on formylaminopyridones |
| 12/01/1998 | CA2001753C 5-substituted-ortho-aminophenols, process for their preparation and use for dying oxidation of keratinic fibres |
| 10/29/1998 | WO1998047472A1 The use of 1-substituted isatins to dye fibers containing keratin |
| 10/29/1998 | DE19717282A1 Verwendung von 1-substituierten Isatinen zum Färben von keratinhaltigen Fasern Use of 1-substituted isatins for dyeing keratin fibers |
| 10/14/1998 | EP0646108B1 Hydroxypropylated 2-nitro-p-phenylenediamines, preparation method therefor and use thereof for dyeing keratin fibres |
| 10/01/1998 | DE19813144A1 Thermal printing medium with heat=resistant lubricating layer |
| 09/22/1998 | US5811370 Used for thermal transfer |
| 08/11/1998 | US5792863 Having large absorption in near infrared, reduced absorption in visible range |
| 07/21/1998 | US5783518 Dye diffusion thermal transfer printing |
| 06/30/1998 | US5773623 Methine dyes containing a 5- or 6- membered carbocyclic or heterocyclic radical |
| 06/24/1998 | EP0848942A1 Composition and method for dyeing keratin fibres |
| 05/13/1998 | EP0841189A1 Laser-imageable element having a stablising infrared-absorbing dye |
| 04/21/1998 | US5741337 Process for the oxidative dyeing of keratinous fibres with a composition which contains an oxidation dye precursor, a coupler, and an oxidant at an acidic pH |
| 04/09/1998 | WO1998014525A1 Aqueous ink compositions |
| 04/09/1998 | WO1998014524A1 Aqueous ink compositions |
| 04/09/1998 | WO1998014523A1 Aqueous ink compositions |
| 04/09/1998 | DE19653292C1 Non oxidative hair dyes |
| 03/18/1998 | EP0627096B1 Image-recording materials |
| 01/29/1998 | DE19617486A1 Hair dyeing agent applicable at room temperature |
| 01/13/1998 | US5707792 Leuco dyes |
| 11/25/1997 | US5690695 Composition for the oxidation dyeing of keratinous fibres, comprising a para-phenylenediamine derivative and a 6-hydroxy-1, 4-benzomorpholine and dyeing process using such a composition |
| 11/11/1997 | US5686639 Quinone diimmonium salts and their use to cure epoxies |
| 09/24/1997 | EP0796297A1 Methine dyes based one formylaminopyridones |
| 09/03/1997 | EP0646109B1 Novel hydroxyethylated 2-nitro-p-phenylenediamines and use thereof for dyeing keratin fibres |
| 08/27/1997 | EP0791035A1 Azamethine dyes |
| 08/20/1997 | CN1157636A Purified polyporus laccases and nucleic acids encoding same |
| 08/13/1997 | EP0789266A1 Silver halide photographic light sentitive material |
| 08/05/1997 | US5654122 N-aminopyridone dyes |
| 06/18/1997 | EP0684810B1 Use of 1,8-dihydroxynaphthalenes as oxidation dye preliminary products in oxidation dyeing agents |
| 06/11/1997 | CN1151690A Dental impression material with cure-indicating dye |
| 05/28/1997 | EP0582579B1 N-aminopyridone dyes |
| 05/02/1997 | EP0701428B1 Agents containing 1,2-napthoquinone for dyeing keratin-containing fibres |
| 04/23/1997 | EP0768860A2 Dental impression material with cure-indicating dye |
| 04/16/1997 | EP0767836A1 Purified polyporus laccases and nucleic acids encoding same |
| 04/16/1997 | EP0767809A2 Cure-indicating molding and coating composition |
| 04/02/1997 | EP0765154A1 Direct-acting hair colouring agent |
| 04/01/1997 | US5616809 Coupler, used to dye keratinous fibers |
| 03/18/1997 | US5612173 One equivalent couplers and low PKA release dyes |
| 03/04/1997 | CA2013525C Chromogenic dibenzoxazepinone enzyme substrates |
| 02/25/1997 | CA1338922C Heat transfer sheet |
| 02/05/1997 | EP0756546A1 Dye diffusion thermal transfer printing |
| 01/22/1997 | EP0593456B1 Manufacture of aromatic amines |
| 01/21/1997 | US5596025 Dental impression material with cure-indicating dye |
| 12/10/1996 | US5583178 Addition polymer and a cure indicating dye |
| 12/03/1996 | US5580980 N-aminopyridone dyes |
| 12/03/1996 | US5580357 Hair dyes |
| 10/16/1996 | EP0737722A2 New indoaniline metal complex, process for their production, and transparent recording medium and optical recording medium by use thereof |
| 10/09/1996 | EP0736575A2 Azamethine dyes with heterocyclic side groups |
| 07/03/1996 | EP0406333B2 A heat sensitive recording element and a thermographic method |
| 06/13/1996 | WO1996017892A1 Methine dyes based one formylaminopyridones |
| 06/13/1996 | DE4443567A1 Azamethinfarbstoffe auf Basis von Formylaminopyridonen Azamethine based on Formylaminopyridonen |