C09B 55 - Azomethine dyes - Patents Sitemap

Patents for C09B 55 - Azomethine dyes (1,049)
05/1996
05/23/1996	WO1996015196A1 Azamethine dyes
05/23/1996	WO1996015195A1 Methine and azamethine dyes made from trifluoromethylpyridones
05/15/1996	DE4440486A1 Azamethinfarbstoffe Azamethine
05/15/1996	DE4440066A1 Methin- und Azamethinfarbstoffe auf Basis von Trifluormethylpyridonen Methine and azamethine based on Trifluormethylpyridonen
05/07/1996	US5514819 Oxalylamino substituted indoaniline dyes
05/07/1996	US5514516 Imino group containing dye, attached to heterocyclic ring
04/1996
04/16/1996	US5508421 Pyrrolotriazole azomethine dye, and heat transfer dye providing material containing a pyrrolotriazole azomethine dye
04/16/1996	US5507974 For nonlinear optical applications; frequency doubling of light
03/1996
03/20/1996	EP0701906A1 Dyes and dye-donor elements for thermal dye transfer recording
03/14/1996	WO1996007757A1 Dye couple for spectrophotometric determination of analytes
01/1996
01/16/1996	US5484943 Fluorescent pigments
01/10/1996	EP0691213A1 Dye donor element for use in thermal transfer printing
12/1995
12/20/1995	EP0687573A1 Dye donor element for use in a thermal dye transfer method
12/19/1995	US5476943 Dye and heat sensitive transfer material comprising the same
12/19/1995	US5476935 Dyes for use in thermal dye transfer
11/1995
11/14/1995	US5466813 Imine dye and photographic elements containing same
11/09/1995	WO1995029958A1 Thiazole methine dyes
11/08/1995	EP0680834A1 Thermotransfer of pyridone dyes
11/08/1995	CN1111444A Process for dyeing keratin-containing fibres
10/1995
10/26/1995	WO1995028447A1 Disperse dyes derived from hindered indoline couplers
10/26/1995	WO1995028286A1 Dye diffusion thermal transfer printing
10/24/1995	US5461155 Organic soluble metal-azo and metal-azomethine dyes
08/1995
08/24/1995	WO1995022581A1 Triazolopyridine dyes
08/24/1995	DE4405167A1 Triazolopyridinfarbstoffe Triazolopyridine
08/24/1995	CA2183470A1 Triazolopyridine dyes
08/10/1995	WO1995021219A1 Method for preparing pyridine dyes
08/09/1995	EP0666474A1 Use of infrared absorbing and fluorescent compositions for flaw detection
08/03/1995	DE4403083A1 Verfahren zur Herstellung von Pyridinfarbstoffen A process for preparing pyridine dyes
07/1995
07/05/1995	EP0661170A1 Thermal transfer sheet
06/1995
06/21/1995	EP0658442A1 Mixture of indoaniline dyes in dye-donor element for thermal dye transfer
06/21/1995	EP0658441A1 Mixture of indoaniline dyes in dye-donor element for thermal dye transfer
06/21/1995	EP0658439A1 Indoaniline dye mixture in dye-donor element for thermal dye transfer
06/21/1995	EP0658095A1 Process for dyeing keratin-containing fibres
06/20/1995	US5426143 Optical data storage films containing non-liquid crystalline polymer and infrared-activated dye either mixed with or covalently bonded to polymer
06/20/1995	US5426022 Silver halide emulsion layer, a color copler and a ultraviolet radiation stabilizer; used for colorphotography
06/13/1995	US5424475 Thermal imaging dye precursors
05/1995
05/30/1995	US5420259 Compounds for colors and intermediates for vat dyes
04/1995
04/19/1995	EP0648770A2 Pyrrolo(3,4-c)pyrroles
04/14/1995	CA2117865A1 Pyrrolo¬3,4-c\| pyrroles
03/1995
03/07/1995	US5395926 Bisazo, bisazomethine and azo-azomethine compounds derived from 1,4-phenylenediamine sulfonic acid salts
03/02/1995	WO1993015596A3 Functionalized merocyanine dyes and polymers incorporating such dyes
02/1995
02/21/1995	US5391720 Imidazole dyes formed by reaction of imidazoles with diazonium salts
02/21/1995	US5391536 Oxalylamino substituted indoaniline dyes for use in thermal sublimation transfer printing
01/1995
01/19/1995	WO1995001772A1 Process for dyeing keratin-containing fibres
01/19/1995	DE4323477A1 Photographic recording material
12/1994
12/27/1994	US5376150 Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical
12/20/1994	US5374601 High density, lightfastness
12/06/1994	US5370980 Silver halide photographic light-sensitive material
12/06/1994	CA1333398C Heat sensitive recording element and a thermographic method
11/1994
11/30/1994	EP0626077A1 Image-recording materials
11/29/1994	US5369080 Indoaniline dye mixture in dye-donor element for thermal dye transfer
11/08/1994	US5362882 Pyrrolotriazole derivative and heat transfer dye providing material containing a pyrrolotriazole azomethine dye
11/02/1994	EP0621962A1 Functionalized merocyanine dyes and polymers incorporating such dyes
10/1994
10/05/1994	EP0617670A1 Thermal transfer imaging with infrared laser and azamethine dyes
09/1994
09/28/1994	EP0616898A2 Dye and heat sensitive transfer material comprising the same
09/27/1994	US5350870 Thermal imaging methods and materials
09/20/1994	US5348847 Silver halide color photographic material
09/07/1994	CN1091761A Thermochromic infrared dyes
09/06/1994	US5344933 Pyrrole ring-or condensed pyrrole ring-containing azomethine dye
08/1994
08/23/1994	US5340790 Mixture of indoaniline dyes in dye-donor element for thermal dye transfer
08/23/1994	US5340789 Mixture of indoaniline dyes in dye-donor element for thermal dye transfer
08/23/1994	US5340689 For diffusion transfer color process
08/03/1994	CN1090305A Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical
07/1994
07/27/1994	EP0608019A1 Thermochromic infrared dyes
07/22/1994	CA2113763A1 Thermochromic infrared dyes
07/12/1994	US5328819 Silver halide photographic material containing isomethine dyes
07/07/1994	WO1994015256A1 Image-recording materials
07/07/1994	CA2119139A1 Image-recording materials
06/1994
06/28/1994	US5324601 Dyes and dye-donor elements for use in thermal dye transfer
06/16/1994	DE4241806A1 New 2,5-di:aryl-pyrimidine derivs. - with nonlinear optical properties, useful e.g. for frequency doubling of light and in liq. crystal mixt.
05/1994
05/25/1994	EP0598420A1 Imine dyes and photographic elements containing same
05/24/1994	US5315035 Aniline derivatives useful as color formers
05/24/1994	US5314998 Organic solvent-soluble metal-azo and metal-azomethine dyes
04/1994
04/27/1994	EP0594448A1 Silver halide photographic light-sensitive material
04/13/1994	EP0591736A2 Use of pyridine dyes for textiles, mixtures of dyes containing pyridine dyes, and triazolopyridine dyes with a thienyl radical
04/06/1994	EP0591105A2 Bisazo, bisazomethine and azo-azomethine compounds
04/06/1994	EP0591016A1 Organic solvent-soluble metal-azo and metal-azomethine dyes
03/1994
03/09/1994	CA2103972A1 Organic soluble metal-azo and metal azpmethine dyes
02/1994
02/23/1994	EP0583607A1 Asymmetrie 1:2-chromium complex dyestuffs
02/16/1994	EP0582579A1 N-aminopyridone dyes.
01/1994
01/25/1994	US5281572 Heating dye containing transfer sheet in imagewise fashion thereby transferring the bichromophoric methine dye from transfer sheet to sheet of plastic coated receiving sheet
12/1993
12/15/1993	EP0574090A1 One equivalent couplers and low pKa release dyes
12/07/1993	US5268478 Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same
11/1993
11/09/1993	US5260179 Containing a filter dye in a hydrophilic layer
10/1993
10/26/1993	US5256784 Merocyanine dyes
09/1993
09/08/1993	EP0558658A1 Protein staining compositions and methods
08/1993
08/24/1993	US5238903 Heat-transfer dye-donating material
08/17/1993	US5236884 Thermal imaging methods and materials
08/05/1993	WO1993015596A2 Functionalized merocyanine dyes and polymers incorporating such dyes
08/05/1993	CA2128218A1 Functionalized merocyanine dyes and polymers incorporating such dyes
07/1993
07/20/1993	US5229502 For dyeing natural and synthetic polyamides
07/13/1993	US5227473 Quinone diazide compound and light-sensitive composition containing same
07/13/1993	US5227359 Pyrazoloazole dyes
07/08/1993	WO1993012939A1 Thermal transfer imaging with infrared laser and azamethine dyes
06/1993
06/09/1993	EP0545420A2 Imidazole azo dyes and thermal transfer dye donating materials containing them
06/09/1993	EP0545300A1 Silver halide color photographic material
06/01/1993	US5216169 Useful for image-forming in color photographs, color electrophotographs, ink jet systems, thermo-sensitive transfer systems and printing
05/1993
05/25/1993	US5214141 Yellow
05/25/1993	US5214140 Thermal printing
05/18/1993	US5212307 Light-sensitive bis-trichloromethyl-s-triazines, and process for their preparation

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