| Patents for C09B 55 - Azomethine dyes (1,049) |
|---|
| 05/12/1993 | EP0540729A1 Blocked filter dyes for photographic material and process |
| 05/11/1993 | US5210200 Heterocyclic dye compounds |
| 05/11/1993 | US5209832 Determining end point voltametrically |
| 05/04/1993 | US5207798 Process for dyeing keratinous fibres, at acid ph using 6- or 7-monohydroxyindoles and the compositions employed |
| 04/29/1993 | DE4134805A1 New amino pyridone dyestuff cpds. |
| 04/28/1993 | EP0436736B1 Thermal transfer sheet |
| 04/20/1993 | US5204311 Ethanediimidic acid bis[(arylalkylidene)hydrazide] color-formers |
| 04/14/1993 | EP0406333B1 A heat sensitive recording element and a thermographic method |
| 03/23/1993 | CA1314892C Polymethine dyes and uv absorbers containing a. triarylborylisocyano group and imaging materials for their use |
| 03/10/1993 | EP0531020A1 Ethanediimidic acid bis arylalkylidene)hydrazide |
| 02/24/1993 | CA2073807A1 Ethanediimidic acid bis¬(arylalkylidene)hydrazide| |
| 02/16/1993 | US5187145 Heat transfer sheets |
| 02/03/1993 | EP0524941A1 Monoazo pigment compositions. |
| 02/02/1993 | CA1313377C Polymethine dyes and uv absorbers and imaging materials for their use |
| 01/26/1993 | US5182339 Polymeric dyes |
| 01/19/1993 | US5180705 Transfer imaging using metal-azo and metal-azomethine dyes |
| 01/07/1993 | EP0521711A1 Silver halide photographic light-sensitive material |
| 01/07/1993 | EP0521664A1 Silver halide photographic light sensitive material |
| 12/16/1992 | EP0518238A1 Pyrrolotriazole derivative |
| 11/26/1992 | WO1992021064A1 Blocked filter dyes for photographic material and process |
| 11/24/1992 | US5166326 Polymerizable metal-azo and metal-azomethine dyes |
| 11/19/1992 | EP0513558A1 Tryptanthrinderivates |
| 11/11/1992 | EP0512548A1 Thermal transfer sheet |
| 11/11/1992 | EP0512477A1 Thermal imaging methods and materials |
| 11/07/1992 | CA2068031A1 Thermal imaging methods and materials |
| 11/05/1992 | DE4114456A1 New N-amino pyridone dyestuff cpds. - used in transfer to plastics-coated paper by diffusion or sublimation and for dyeing polyamide, polyester, etc. |
| 11/04/1992 | WO1992019684A1 N-aminopyridone dyes |
| 11/04/1992 | CA2106779A1 N-aminopyridone dyes |
| 10/14/1992 | EP0508573A1 Transfer imaging using metal-azo and metal-azomethine dyes |
| 10/13/1992 | US5154887 Useful in rapid and highly sensitive immunoassays |
| 09/29/1992 | US5151527 Synthesis of the carbanion 1,1,2-tricyano-2-(3,4-dicyano-5-imino-2,5-dihydro-1h-pyrrol-2-ylidene) ethanide |
| 09/16/1992 | EP0503780A1 Polymerizable metal-azo and metal-azomethine dyes |
| 09/15/1992 | US5147845 Printing |
| 09/12/1992 | CA2061356A1 Polymerizable metal-azo and metal-azomethine dyes |
| 09/12/1992 | CA2060671A1 Transfer imaging using metal-azo and metal-azomethine dyes |
| 08/26/1992 | EP0499822A1 Bichromophore methine dyes |
| 08/21/1992 | CA2060466A1 Bichromophoric methine dyes |
| 07/22/1992 | EP0495406A1 Azomethine compound |
| 07/21/1992 | US5132439 Coomassie dye" derivatives |
| 07/21/1992 | US5132438 Bichromophoric methine and azamethine dyes and process for transferring them |
| 06/24/1992 | EP0491660A1 Process for the preparation of metal complex dyestuffs |
| 06/16/1992 | US5122611 Method of producing azomethine or indoaniline series dyes |
| 06/03/1992 | EP0488231A1 Sulfur compound-coordinate bonded organic coloring matter, compositions of same, and photorecording media containing same |
| 05/26/1992 | US5116806 Dyes for use in thermal dye transfer |
| 05/20/1992 | WO1992008689A1 Protein staining compositions and methods |
| 05/20/1992 | CA2096542A1 Protein staining compositions and methods |
| 04/28/1992 | US5108903 Reducible compounds which provide leuco dyes for analytical compositions, elements and methods of using same |
| 04/28/1992 | US5108902 Microorganism detection; medical diagnosis |
| 04/28/1992 | US5108890 Chromogenic compounds, processes for the preparation thereof and use thereof as enzyme substrates |
| 04/28/1992 | US5108883 Color photographic recording material |
| 04/08/1992 | EP0479446A1 Method for temporarily coloring of an article with acid labile colorant |
| 03/31/1992 | US5101035 Thermal printing, improved migration properties, color intensity, water and chemical resistance |
| 03/31/1992 | US5100759 Color diffusion transfer photography |
| 03/18/1992 | EP0475906A1 Engineering plastics containing a Bisazomethinemetal complex pigment |
| 01/28/1992 | US5084571 Substituted thiazole dye compounds |
| 01/28/1992 | US5084382 A color former with an oxidizable coupler for detection of hydrogen peroxide or hydrogen peroxide forming system or peroxidase or oxidizers for amine detection |
| 01/21/1992 | US5082823 Cyan dyes for use in thermal dye sublimation transfer |
| 01/07/1992 | US5079365 Triazolopyridine dyes and thermal transfer of methine dyes |
| 01/07/1992 | US5078748 Substituted 1,3-diaminobenzenes, processes for their preparation and coloring agents, containing these, for keratin fibers |
| 12/27/1991 | EP0462928A2 Indolinimin dyes |
| 12/10/1991 | US5071440 Azo-methine and indophenol dyes oxyalkylated by ethylene and/or propylene oxide and/or glycidol; acidolysis; cleavage/C-N/ |
| 10/08/1991 | US5055414 Phenalenimine fluorescent dyes and their use in analytical methods |
| 10/08/1991 | CA1290104C Process for the trichromatic dyeing of leather |
| 10/01/1991 | US5053524 Intermediate for synthesis of triphenylcyclopentadiene dyes |
| 09/23/1991 | WO1991014744A1 Monoazo pigment compositions |
| 09/23/1991 | CA2078862A1 Monoazo pigment compositions |
| 09/11/1991 | EP0446132A1 Keratinous fibres dyeing process with 6 or 7-monohydroxyindols at acidic pH and compositions |
| 09/04/1991 | EP0444327A1 Dyes for use in thermal dye transfer |
| 08/22/1991 | DE4004612A1 New bi:chromophoric methine and aza-methine dyestuff cpds. and use |
| 08/14/1991 | EP0441282A1 Bichromophore methine and azamethine dyestuffs and a process for their transfer |
| 08/14/1991 | DE4003907A1 5-Tri:fluoromethyl-1,3-di:aminobenzene(s) as hair colourant - have good stability to heat and light, and are compatible with other colourants for shade modification |
| 07/17/1991 | EP0436736A1 Thermal transfer sheet |
| 07/03/1991 | EP0435090A2 Synthesis of metal complexes of Bis- (1,2,6,7 -Tetracyano-3,5-diimino-3,5-dihydropyrrolyzinide) |
| 06/29/1991 | CA2032927A1 Synthesis of the carbanion 1,1,2-tricyano-2-(3,4-dicyano-5-imino-2,5-dihydro-1h-pyrrol-2-ylidene) ethanide |
| 06/25/1991 | US5026867 Improved hue and high molecular extinction coefficient; sharp visible absorption spectra; color photography |
| 06/25/1991 | US5026677 Dyes and dye-donor elements for use in thermal dye sublimation transfer |
| 06/18/1991 | US5024698 Monoazo pigment compositions |
| 06/05/1991 | EP0430880A2 Process for the preparation of concentrated 1:2 metal complex dye preparations |
| 05/28/1991 | US5019132 Moist filter cake of metal-free azo or azomethine intermediate, metallizing with metal salt to aqueous slurry of metal complx dye, diluting |
| 04/23/1991 | US5010190 Cationic compounds |
| 03/26/1991 | US5003081 Pyrrole derivatives useful as diazo and coupling components |
| 03/13/1991 | EP0416434A2 Triazole pyridine dyes and a thermal transfer process of methine dyes |
| 03/06/1991 | EP0415203A2 Thiazole dyes of the merocyanine type and a thermal transfer process using these dyes |
| 03/05/1991 | US4997917 Textile dyes |
| 02/21/1991 | WO1991001890A1 Thermal transfer sheet |
| 01/09/1991 | EP0406333A1 A heat sensitive recording element and a thermographic method. |
| 12/05/1990 | EP0400706A1 Dyes and dye-donor elements for use in thermal dye sublimation transfer |
| 11/30/1990 | CA2016687A1 Dyes and dye-donor elements for use in thermal dye sublimation transfer |
| 11/22/1990 | EP0398018A1 Process for the preparation of light-sensitive bis-trichloro-methyl-s-triazines |
| 11/07/1990 | EP0395991A1 3-Aminophenyl-1,5-pentanediones |
| 10/24/1990 | EP0393252A1 Novel cyan dyes for use in thermal dye sublimation transfer |
| 10/18/1990 | CA2014487A1 Light-sensitive bis-trichloromethyl-s-triazines, process for their preparation and light-sensitive composition containing said compounds |
| 10/02/1990 | US4960870 Dyeing wool, polyamides; fiber reactive dyes |
| 09/04/1990 | CA1273634A1 Aniline derivatives and agents for the detection of redox systems comprising them |
| 08/29/1990 | EP0384893A1 Process for the preparation of asymmetrical 1,2-metal complex dyestuffs |
| 08/01/1990 | EP0380000A2 Pyrrole derivatives |
| 05/01/1990 | US4921968 Blue dyes for color photography |
| 04/10/1990 | US4916040 Photosensitive member with photoconductive layer comprising N-cyanoimine compound |
| 03/20/1990 | US4910187 Heat-sensitive transfer material |
| 03/20/1990 | US4910110 Photoconductor including hydrazone compound in a photoconductive layer |