| Patents for C09B 55 - Azomethine dyes (1,049) |
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| 07/21/1999 | EP0929843A1 Light sensitive composition containing an arylhydrazo dye |
| 07/13/1999 | US5922530 Analytical apparatus with enzymes which produce oxidizing agents which then oxidize stable dye couple ((3-methyl 2-benzothiazolinone hydrozone)n-sulfonyl derivatives) forming chromophore |
| 07/08/1999 | WO1999033435A1 Use of transitional metal complexes for dying keratin fibers |
| 06/24/1999 | DE19757510A1 Coloring keratinous fibers, especially hair |
| 05/26/1999 | EP0918053A1 Azo compounds, their use for dyeing, compositions containing them and dyeing processes |
| 04/14/1999 | EP0791035B1 Azamethine dyes |
| 04/07/1999 | EP0906370A1 Pyridone colorants |
| 04/07/1999 | EP0796297B1 Methine dyes based one formylaminopyridones |
| 04/06/1999 | US5892046 Methine and azamethine dyes based on trifluoromethylpyridones |
| 03/31/1999 | EP0742811B1 Method for preparing pyridine dyes |
| 03/24/1999 | EP0903350A1 Pyrrolotriazole derivative |
| 03/03/1999 | EP0898596A1 Squarate dyes and their use in fluorescent sequencing method |
| 02/18/1999 | WO1999007793A1 Dye intermediate and method to manufacture dyes |
| 02/18/1999 | CA2297215A1 Dye intermediate and method |
| 02/10/1999 | EP0756546B1 Dye diffusion thermal transfer printing |
| 02/09/1999 | US5869731 Cationic dyes having specified computed electrostatic shielding energy |
| 01/21/1999 | WO1999002960A1 Composition and method for staining cellular dna |
| 01/12/1999 | US5858628 Black thermal transfer sheet |
| 12/15/1998 | US5849361 Methine dyes based on formylaminopyridones |
| 12/08/1998 | US5847171 Molecular organic compound with ferromagnetic properties and a method of producing it |
| 11/04/1998 | EP0745107B1 Triazolopyridine dyes |
| 10/15/1998 | WO1998045757A1 Black-pigmented structured high molecular weight material |
| 09/29/1998 | US5814580 Forming a chelate dye by the reaction of an azomethine dye with a metal-ion containing compound; excellent light fastness |
| 09/22/1998 | US5811370 Used for thermal transfer |
| 09/08/1998 | US5804530 Thermal transfer sheet |
| 07/22/1998 | EP0854052A1 Thermal-transfer recording sheet using a specific dye |
| 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 |
| 06/09/1998 | US5763135 Light sensitive composition containing an arylhydrazo dye |
| 05/19/1998 | US5753017 Ink jet recording ink and recording method employing the same |
| 04/29/1998 | EP0838722A2 Photothermographic material, novel 2,3-dihydrothiazole derivative, and photographic silver halide photosensitive material |
| 04/09/1998 | WO1998014833A1 Light sensitive composition containing an arylhydrazo dye |
| 03/31/1998 | US5733343 Trichromatic principle |
| 03/18/1998 | EP0829376A1 Black thermal transfer sheet |
| 03/10/1998 | US5725607 Computed electrostatic shielding energy |
| 02/18/1998 | EP0823927A2 Ink composition |
| 02/10/1998 | US5716446 Printing ink; toners; powder coating |
| 02/03/1998 | US5714622 Molecular organic compound with ferromagnetic properties and a method of producing it |
| 02/03/1998 | US5714616 For use in nonlinear optics |
| 02/03/1998 | US5714614 Azo-methine dyes which form lightfast images |
| 12/30/1997 | US5703238 Preparation of pyridine dyes |
| 12/24/1997 | CN1168484A Forming method of picture |
| 12/23/1997 | US5700757 Triazolopyridine dyes and intermediates therefor |
| 12/04/1997 | WO1997045491A1 Pyridone colorants |
| 11/27/1997 | DE19621026A1 Pyridonfarbstoffe Pyridone dyes |
| 11/26/1997 | EP0808721A1 Dye-donor element for use in thermal transfer printing |
| 11/12/1997 | EP0806455A2 Methine and azamethine dyes derived from trifluoromethylpyridones |
| 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 |
| 10/22/1997 | CN1162981A Highly stable oxidative coupling dye for spectrophotometric |
| 10/22/1997 | CN1162970A Methine and azamethine dyes made from trifluoromethylpyridones |
| 10/22/1997 | CN1162739A Stable coupling dye for photometric determination of analytes |
| 09/24/1997 | EP0796297A1 Methine dyes based one formylaminopyridones |
| 09/03/1997 | EP0792757A1 Dye donor element for use in thermal transfer printing |
| 09/03/1997 | EP0524941B1 Monoazo pigment compositions |
| 08/27/1997 | EP0791035A1 Azamethine dyes |
| 08/27/1997 | EP0791034A1 Methine and azamethine dyes made from trifluoromethylpyridones |
| 08/13/1997 | EP0788891A1 Dyes and dye-donor elements for thermal dye transfer recording |
| 08/13/1997 | EP0788890A1 Dyes and dye-donor elements for thermal dye transfer recording |
| 08/05/1997 | US5654122 N-aminopyridone dyes |
| 07/02/1997 | EP0781816A1 New dyes for use in diverse applications |
| 07/02/1997 | EP0781350A1 Highly stable oxidative coupling dye for spectrophotometric determination of analytes |
| 06/18/1997 | EP0779367A1 Test device comprising stable coupling dye for photometric determination of analytes |
| 06/03/1997 | US5635576 Crosslinkable material which may be used in opto-electronics, process for producing this material, and monomer allowing this material to be obtained |
| 05/28/1997 | EP0582579B1 N-aminopyridone dyes |
| 04/23/1997 | EP0769531A1 Ink jet recording ink containing an azomethine dye |
| 04/01/1997 | US5616725 Pyrrolo[3,4-C]pyrrole synthesis |
| 04/01/1997 | US5616710 Diffusion transfer or sublimation of dyes from a carrier to a plastic-coated paper with the aid of an energy source; textiles; blue; purple; brightness; colorfastness |
| 03/18/1997 | US5612282 Multilayer element with dye layer for heat sensitive and photographic light sensitive elements for images |
| 03/18/1997 | US5612173 One equivalent couplers and low PKA release dyes |
| 02/12/1997 | EP0757707A1 Thiazole methine dyes |
| 02/05/1997 | EP0756546A1 Dye diffusion thermal transfer printing |
| 01/22/1997 | EP0754563A2 Thermal transfer sheet |
| 01/22/1997 | CN1141052A Triazolopyridine dyes |
| 01/08/1997 | EP0752494A1 Process for reducing the toxicity of residual dyeing-baths and new cationic dyes |
| 01/03/1997 | WO1996034916A3 Ink composition |
| 12/31/1996 | US5589316 Heterocyclic azo dyes on supports for images |
| 12/04/1996 | EP0745107A1 Triazolopyridine dyes |
| 12/03/1996 | US5580980 N-aminopyridone dyes |
| 11/20/1996 | EP0742811A1 Method for preparing pyridine dyes |
| 11/13/1996 | EP0742217A1 Isoindoline pigments based on aminoquinoxalindiones |
| 11/07/1996 | WO1996034916A2 Ink composition |
| 10/16/1996 | EP0737673A1 Organic molecular compound with ferromagnetic properties and process for its preparation |
| 10/15/1996 | US5565403 Transferring pattern to receiver sheet |
| 10/15/1996 | CA2174075A1 Organic molecular compound with ferromagnetic properties; process for preparing the same |
| 10/09/1996 | EP0736575A2 Azamethine dyes with heterocyclic side groups |
| 10/08/1996 | US5563031 Highly stable oxidative coupling dye for spectrophotometric determination of analytes |
| 09/18/1996 | EP0732220A1 Thermal transfer recording material |
| 09/10/1996 | US5554318 Use of compounds which absorbs and fluoresce in the IR range as crack-detecting agents |
| 09/05/1996 | DE19507462A1 Dye diffusion or sublimation transfer with pyridone dye |
| 08/21/1996 | EP0727463A2 Triazolopyridine dyes and intermediate products therefor |
| 08/20/1996 | US5547815 Thermal dye sublimation transfer |
| 08/13/1996 | US5545235 Thermal transfer of pyridone dyes |
| 07/03/1996 | EP0406333B2 A heat sensitive recording element and a thermographic method |
| 07/02/1996 | US5532202 Thermal transfer sheet |
| 06/13/1996 | WO1996017892A1 Methine dyes based one formylaminopyridones |
| 06/13/1996 | DE4443567A1 Azamethinfarbstoffe auf Basis von Formylaminopyridonen Azamethine based on Formylaminopyridonen |
| 06/06/1996 | WO1996016820A1 Thermal transfer of pyridone-based azamethine dyes |
| 06/05/1996 | EP0714892A1 1H-pyrrolo [1, 2-b][1, 2, 4] Triazole derivatives and their preparation via 1H-1,2,4-triazole derivatives |
| 05/30/1996 | DE4442391A1 Thermische Übertragung von Azamethinfarbstoffen auf Pyridonbasis Thermal transfer azamethine dyes on Pyridonbasis |