| Patents for C09B 55 - Azomethine dyes (1,049) |
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| 01/19/2005 | EP1498110A1 Composition comprising a conducting polymer and an optical brightener and/or a fluorescent compound |
| 01/11/2005 | US6841514 Bichromophoric molecule having a first chromophore with maximum absorption at a wavelength above 700 nm and an independent second chromophore having a maximum absorption at a wavelength different than the first |
| 01/06/2005 | US20050003135 Optical recording media; reflection; sensitivity |
| 12/28/2004 | US6835725 Cyanine dye containing heterocylic rings; satisfies light stability, favorable signal/noise rato, damage free application to the substrate material, use in the information layer in a write-once optical data carrier |
| 12/15/2004 | EP1486539A2 Self-assembling dyes |
| 12/14/2004 | US6831163 Incorporation of the chromophores in the same molecule helps to insure that the visible and IR images will be transferred at an equal rate. This enables less color contamination. |
| 11/17/2004 | EP1476505A1 Lactam-based pigments and the use thereof in the production of coloured plastics or polymeric colour particles |
| 10/27/2004 | EP1471387A2 Photosensitive composition and compound used thereof |
| 10/21/2004 | US20040206270 Ink composition containing a particular type of dye, and corresponding ink-jet printing process |
| 10/20/2004 | EP1468419A2 Optical recording materials having high storage density |
| 10/06/2004 | EP1464327A1 Composition for dyeing human keratinous fibres comprising a fluorescent dyeing agent and a polyol, method and use |
| 10/06/2004 | EP1464326A1 Hair colouring composition containing a fluorescent dye and an associative polymer |
| 10/06/2004 | EP1464325A1 Hair colouring composition containing a fluorescent dye and an acid |
| 10/06/2004 | EP1360367B1 Use of pigments as disperse dyestuffs |
| 10/06/2004 | CN1534379A Photosensitive composition and new compound therefor |
| 10/05/2004 | US6800123 Oil-soluble dye being dissolved in a high boiling point organic solvent which has a boiling point of 150 degrees c. or more and has a specific inductive capacity at 25 degrees c. of 3 to 12 |
| 09/30/2004 | WO2004083170A2 Compounds, a process for their preparation and their use as dyes and pigments |
| 09/30/2004 | US20040191679 Photosensitive composition and novel compound used therefor |
| 09/30/2004 | CA2518707A1 Compounds, a process for their preparation and their use as dyes and pigments |
| 08/25/2004 | EP1449894A2 Ink jet dye design |
| 08/18/2004 | EP1447430A1 New monoanthraquinone azamethine dyes |
| 08/11/2004 | CN1161655C Highly transparent, color-pigmented high molecular weight material |
| 07/29/2004 | US20040147631 Ink for an ink jet |
| 07/28/2004 | EP1440126A1 Method of producing low-dust pigment compositions |
| 07/22/2004 | US20040142137 Fast-writable and precision-writable high-capacity optical storage media |
| 07/14/2004 | CN1513171A Optical data carrier containing dye in the information layer as light-absorbing compound |
| 07/14/2004 | CN1511824A Twin chromophore molecule |
| 07/01/2004 | US20040127360 Two different chromogens is linked with pentadiene chain; different absorption maximum; having tetra-aryl methine group; eliminate unwanted absorptions in the final image; laser imaging colorant donor; photostability |
| 07/01/2004 | US20040127359 Thermal transfer imaging element containing infrared bichromophoric colorant |
| 06/30/2004 | EP1433820A1 Bichromophoric molecules |
| 06/30/2004 | EP1433620A2 Imaging element containing infrared absorbing bichromophoric colorant |
| 06/29/2004 | US6756424 Coloring composition, ink-jet ink, and ink jet recording method |
| 06/29/2004 | US6756423 Coloring composition, ink for ink-jet, and ink-jet recording method |
| 06/24/2004 | US20040122238 for color photography |
| 06/10/2004 | WO2004048480A1 Coloring matter absorbing near-infrared ray and filter for cutting off near-infrared ray |
| 06/10/2004 | US20040110997 with a dye having an unsaturated cyclic nucleus of at least nine ring atoms, and having at least one (CN)2C = substituent and at least one Ar-N=Csubstituent; wherein Ar is a substituted aryl group |
| 06/10/2004 | US20040107518 Mass coloration of substrates, as colorants in electrophotographic toners and developers, in powders and powder coating materials, in ink-jet inks and in cosmetic compositions; colorfastnessfast; heat and chemical resistance; azo-methine dyes |
| 06/09/2004 | EP1426435A1 Method for marking liquid petroleum hydrocarbons |
| 05/20/2004 | US20040096775 Optical recording materials having high storage density |
| 05/18/2004 | US6737391 Process for treating textile materials |
| 05/11/2004 | US6734225 Dispersion of oil-soluble dye particles based on a pyrazolo-(5,1-c)-s-triazole or pyrazolo(1,5-b) ring; stability; colorfastness; waterproofing; reproduction, especially magenta; printing on paper; antifouling agents |
| 05/04/2004 | US6730151 Ink jet dye design |
| 04/28/2004 | EP1412942A1 Fast-writable and precision-writable high-capacity optical storage media |
| 04/27/2004 | US6727053 Forms an azomethine dye upon a coupling reaction with an oxidized product of a developing agent |
| 04/07/2004 | CN1488017A Use of pigment dyes for dispersion dyeing from equeous media |
| 04/06/2004 | US6716277 Ink for ink jet and ink jet recording method |
| 03/31/2004 | CN1486378A Use of pigments as disperse dyestuffs |
| 03/30/2004 | US6713528 Coloring composition, ink-jet ink and ink jet recording method |
| 03/30/2004 | US6713432 Thermal transfer recording material and thermal transfer recording method |
| 03/18/2004 | US20040049864 Padding synthetic hydrophobic fibers using disperse dyes comprising methine dyes having colorfastness |
| 03/18/2004 | US20040049862 Padding synthetic hydrophobic fibers using brown organic pigments comprising methine dyes having colorfastness |
| 02/11/2004 | CN1137978C Method for treating textile |
| 02/04/2004 | EP1386317A1 Optical data carrier that contains a cyanine dye as the light-absorbing compound in the information layer |
| 02/04/2004 | CN1473153A Hetero-anellated ortho-aminophenols |
| 01/28/2004 | EP1384228A2 Optical recording materials having high storage density |
| 01/15/2004 | US20040010056 Mixture of polymer and dye |
| 01/13/2004 | US6676749 Method for preparing layered perovskite compound thin film with organic ammonium layers and inorganic layers |
| 01/02/2004 | EP1375611A2 Colored particle dispersion, ink jet ink, dye, and ink jet recording method |
| 12/18/2003 | WO2003063151B1 Optical recording materials having high storage density |
| 12/17/2003 | EP1370620A1 Ink for an ink jet |
| 12/04/2003 | US20030222959 Coloring composition, ink-jet ink and ink jet recording method |
| 12/03/2003 | EP1366230A1 Use of pigment dyes for dispersion dyeing from aqueous media |
| 11/13/2003 | WO2003063151A3 Optical recording materials having high storage density |
| 11/12/2003 | EP1360367A1 Use of pigments as disperse dyestuffs |
| 10/23/2003 | US20030199609 Ink composition and image-forming method using the same |
| 10/22/2003 | EP1159276B1 Benzofuran-2-ones as colorants for organic materials |
| 09/16/2003 | US6620933 Dyes having acid reistance and stability used as colors for silver halide photographic, photosensitive materials, ink jet or thermal printing and as toners in electrophotography, electroluminescence or television displays |
| 09/11/2003 | US20030167966 Ink jet dye design |
| 09/03/2003 | EP1041955B1 Use of transition metal complexes for dyeing keratin fibers |
| 09/02/2003 | US6613814 Coloring composition, ink for ink jet, and ink jet recording method |
| 08/28/2003 | WO2003070830A1 Lactam-based pigments and the use thereof in the production of coloured plastics or polymeric colour particles |
| 08/28/2003 | WO2002082438A3 Optical recording materials having high storage density |
| 08/20/2003 | EP1335905A1 Hetero-anellated ortho-aminophenols and their use as dye components |
| 07/31/2003 | WO2003063151A2 Optical recording materials having high storage density |
| 07/31/2003 | CA2468883A1 Optical recording materials having high storage density |
| 07/30/2003 | EP1331252A2 Ink jet dye design |
| 07/16/2003 | EP1327619A1 Method for hydrolyzing phosphodiester with a catalyst comprising a cyclic phenol sulfide metal complex |
| 07/16/2003 | EP1327618A1 Method for analyzing hydrogen peroxide with a catalyst comprising a cyclic phenol sulfide metal complex |
| 07/03/2003 | US20030125556 Having an aryl group bonded to a carbon atom in an azomethine moiety and containing amido and amine groups; useful for silver halide photographic photosensitive materials and for printing material in ink jet or thermal printing |
| 07/02/2003 | CN1113104C Stable coupling dye for photometric determination of analytes |
| 06/18/2003 | EP1319979A1 Imaging materials containing peptoid substituted azole couplers |
| 05/28/2003 | CN1109922C Picture forming method |
| 05/22/2003 | WO2003042989A1 Compositions comprising at least one oxonol dye and at least one metal complex |
| 05/14/2003 | EP1310533A2 Ink composition containing a particular type of dye, and corresponding ink jet printing process |
| 05/08/2003 | WO2003037991A1 Method of producing low-dust pigment compositions |
| 05/08/2003 | CA2462918A1 Method of producing low-dust pigment compositions |
| 04/17/2003 | US20030073047 Forms an azomethine dye upon a coupling reaction with an oxidized product of a developing agent |
| 02/18/2003 | US6521031 Oil soluble dye |
| 02/12/2003 | CN1101429C Novel crystal of C.I. Pigment red 53:2 |
| 02/04/2003 | US6514679 Imaging materials containing peptoid substituted azole couplers |
| 01/23/2003 | WO2003007296A1 Fast-writable and precision-writable high-capacity optical storage media |
| 01/09/2003 | US20030008234 Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer |
| 01/02/2003 | EP1271240A2 Silver halide color photographic material |
| 12/25/2002 | CN1387087A Color coupler for forming dye, silver halide photosensitive material and azomethine dyes compounds |
| 12/25/2002 | CN1097210C Light sensitive composition contg. arylhydrazo dye |
| 12/10/2002 | US6492502 Reduction of a quaternary ammonium containing nitro compound, to form an intermediate, oxidizing to give azo compound; useful for dyeing hair |
| 12/05/2002 | US20020183228 Process for treating textile materials |
| 12/03/2002 | US6489511 Reacting compound having active methylene or methine group with aryl primary amine in presence of base and oxidizing agent in solvent medium containing dialkyl ketone at temperature low enough to provide specified yield |
| 11/07/2002 | US20020165368 Novel azo compounds, use in dyeing, compositions containing them and dyeing processes |
| 11/06/2002 | EP1002020B1 Dye intermediate and method to manufacture dyes |