| Patents for C09B 56 - Azo dyes containing other chromophoric systems (771) |
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| 03/28/2007 | EP1767590A1 Ink, ink jet recording method, recording unit, ink cartridge, and ink jet recording apparatus |
| 03/20/2007 | US7193067 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds |
| 03/01/2007 | WO2006099050A3 Polar dyes |
| 02/28/2007 | EP1757660A1 Cationic mixed dyestuffs comprising an anthraquinone chromophore and their use for hair colouring |
| 02/22/2007 | US20070042152 High-capacity optical storage media |
| 02/21/2007 | CN1918132A Method of coloring with capped diazotized compound and coupling component |
| 02/15/2007 | US20070033746 Method for the reactive coloring of leather |
| 02/13/2007 | US7176161 Containing crystalline compounds which produce color when thermally converted to liquid or amorphous form time-independent |
| 02/06/2007 | US7173114 Lightfast colorant and lightfast ink composition including the same |
| 01/25/2007 | DE102005033584A1 New heterocyclic dye compounds useful e.g. for coloring and printing natural and synthetic fiber materials, for coloring paper or celluloses in the mass and in the manufacture of magenta color recording fluids |
| 12/20/2006 | CN1882857A Filter for electronic display |
| 12/19/2006 | US7150782 having a good combination of high chroma (i.e. brightness), high light-fastness and fastness to oxidising gases |
| 12/13/2006 | CN1289607C Phthalimidyl azo dyes, process for preparation thereof and the use thereof |
| 12/12/2006 | US7148335 Mono- and bis-hydrazone pigments |
| 12/12/2006 | US7147697 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 11/16/2006 | US20060257917 Fluorescent dyes, energy transfer couples and methods |
| 11/08/2006 | CN1860186A Azo compound, aqueous dye solutions containing the same, inks and use thereof |
| 11/07/2006 | US7132518 Mono- and bis-hydrazone pigments |
| 11/02/2006 | EP1717283A1 Ink composition containing a particular type of dye, and corresponding ink jet printing process. |
| 11/02/2006 | EP1636316B1 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 10/24/2006 | US7125966 Azo compounds |
| 10/19/2006 | US20060235210 Azo metal dyes and optical data carrier containing one such azo metal dye as a light absorbing compound in the information layer |
| 10/19/2006 | US20060234143 Combining a substituted or unsubstituted indoline with a substituted or unsubstituted 3',6-dichlorofluoran;isolating substituted or unsubstituted 3'-chloro-6'-indolinofluoran combining substituted with a substituted or unsubstituted aniline |
| 10/18/2006 | EP1370618B1 Azo dyes containing a barbituric acid moiety, ink-jet printing inks and processes |
| 10/12/2006 | US20060229441 Polar dyes |
| 10/04/2006 | CN1277871C Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom |
| 09/21/2006 | WO2006099050A2 Polar dyes |
| 09/21/2006 | CA2599709A1 Polar dyes |
| 09/19/2006 | US7109312 Azo bonds attaching first, second and third alkoxy substituted radicals of aryls or heteraryls bound to a solid support through a linking group; can be incorporated into probes for detecting analytes rapidly, sensitively, reliably |
| 09/12/2006 | US7105646 Mono- and bis-hydrazone pigments |
| 09/07/2006 | US20060199951 Zwitterionic chromophores and macromolecules containing such chromophores |
| 09/06/2006 | EP1698916A1 Filter for electronic display |
| 08/15/2006 | US7091348 Measurement of dye emission |
| 08/08/2006 | US7087731 Disperse dyes; formed via nitration, alkylation, halogenation, then diazotization; for coloring synthetic hydrophobic fibers/textiles |
| 07/13/2006 | US20060150345 New anionic coloring agents to dye leather, paper, cardboard and textile substrates: mixtures of coloring agents including these new products, and substrates dyed using the above coloring agents |
| 07/05/2006 | EP1556444B1 Azo compounds |
| 07/05/2006 | CN1262854C Color polarizer with support for liquid crystal projector and color liquid crystal projector |
| 06/29/2006 | US20060142554 disperse dyes used dyeing and printing regenerated or synthetic hydrophobic fibers and/or blends; colorfastness; storage stability |
| 06/29/2006 | US20060137572 Transition metal (especially Ni) chelate of a sulfonated 9-hydroxy-10-(pyrid-2-ylazo)phenanthrene; provides prints with a high light-fastness and good optical density |
| 06/29/2006 | US20060137571 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 06/21/2006 | EP1353991B1 Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom |
| 06/14/2006 | EP1669413A1 Azo compound, aqueous dye solutions containing the same, inks and use thereof |
| 06/14/2006 | EP1353990B1 Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom |
| 06/06/2006 | US7057024 Black-dyeing inks and their use |
| 06/06/2006 | US7056374 Colors materials comprising azo dyes having photostability, waterproofing, hermetic sealing, shelf life and colorfastness |
| 05/11/2006 | CA2585514A1 Cationic azoazinic dyes and colorants containing said compounds |
| 05/10/2006 | CN1771546A High-capacity optical storage media |
| 04/18/2006 | US7030229 Anthraquinone-azo dyes |
| 04/12/2006 | CN1250625C Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor and molded product therefrom |
| 04/05/2006 | CN1249171C Phthalimidyl azo dyes, process for preparation thereof and the use thereof |
| 03/30/2006 | US20060068326 Optical information recording medium |
| 03/29/2006 | CN1753793A 成像系统 Imaging Systems |
| 03/28/2006 | US7019129 at least three radicals selected from substituted or unsubstituted aryl, heteroaryl and combinations, wherein at least two of the residues are covalently linked via an exocyclic diazo bond, and a reactive functional group providing a locus for conjugation of the quencher to a carrier |
| 03/22/2006 | EP1636316A1 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 03/22/2006 | EP1636315A2 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 03/21/2006 | US7015314 ink jet inks; dyeing animal fibers, cellulose fibers, and polyamide fibers; dyed substrates; good exhaustion and fixation values; lightfastness |
| 03/14/2006 | US7012137 Printing or dyeing hydrophobic textile fibers |
| 03/09/2006 | WO2006025585A1 Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit and inkjet recorder |
| 03/09/2006 | WO2006024612A1 Shading process |
| 03/07/2006 | US7008759 Dyes and use thereof in imaging members and methods |
| 02/16/2006 | US20060035262 Dark quenchers for donor-acceptor energy transfer |
| 02/09/2006 | WO2006014014A1 Yellow ink for ink jet recording, light ink for ink jet recording, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus |
| 02/09/2006 | CA2572996A1 Cationic pyrazolone dyes, method for production thereof and coloring agents for keratin fibres containing said compounds |
| 01/12/2006 | WO2006004205A1 Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder |
| 01/12/2006 | WO2006004203A1 Ink, ink jet recording method, recording unit, ink cartridge, and ink jet recording apparatus |
| 01/12/2006 | US20060009558 Colored thermoplastic resin compositions for laser welding, specific neutral anthraquinone dyes as colorants therefor, and molded product therefrom |
| 01/11/2006 | EP1509573B1 Anthraquinone-azo dyes |
| 12/08/2005 | US20050272088 Dark quenchers for donor-acceptor energy transfer |
| 12/07/2005 | CN1705716A Azo compounds |
| 11/30/2005 | CN1229451C Aqueous ink compsn., water-soluble dye compsn., and ink-jet recording method |
| 11/23/2005 | EP1597084A2 Imaging system |
| 11/15/2005 | US6964701 Azo dyes containing a barbituric acid moiety, ink-jet printing inks and processes |
| 11/10/2005 | US20050250047 Light-fast, high-capacity optical storage media |
| 10/27/2005 | US20050238840 High-performance optical storage media |
| 10/13/2005 | US20050228085 Imparts color of blue, absorbs visible light with wavelength less than 700 mn and transmit a laser beam with wavelength at 800 nm to 1200 nm in infra-red region |
| 10/12/2005 | CN1679491A Composition comprising at least one mixed dye based on at least one chromophore of azo or tri(hetero)arylmethane type, dyeing process and mixed dyes |
| 10/04/2005 | US6951952 which exhibit a first color when in crystalline form and a second different color when in the liquid, amorphous form; for thermal imaging |
| 09/21/2005 | EP1577356A1 Ink composition containing a particular type of dye, and corresponding ink jet printing process. |
| 09/14/2005 | EP1574205A2 Composition comprising a chromophore of azo or tri(hetero)arymethane type |
| 08/24/2005 | CN1659238A Anthraquinone-azo dyes |
| 08/18/2005 | US20050182247 A diazotized dye from an anthraquinone compound; reactive dyes by coloring a high molecular weight plastics or polymeric particles; color filters in liquid crystal displays; colorfastness; chemical intermediates |
| 08/11/2005 | WO2005058840A3 Method of coloring with capped diazotized compound and coupling component |
| 08/10/2005 | CN1653532A High-performance optical storage media |
| 08/10/2005 | CN1653531A Optical storage media comprising pentacyclic xanthylium dyes |
| 07/27/2005 | EP1556444A1 Azo compounds |
| 06/30/2005 | WO2005059608A1 Filter for electronic display |
| 06/30/2005 | WO2005058840A2 Method of coloring with capped diazotized compound and coupling component |
| 06/15/2005 | EP1539728A2 Fluorescent dyes, energy transfer couples and methods |
| 06/08/2005 | CN1205271C Anthraquinone-azo dyes and use of such compounds |
| 05/26/2005 | WO2004078851B1 Novel dyes and use thereof in thermal imaging members and methods |
| 04/14/2005 | WO2005033211A1 Azo compound, aqueous dye solutions containing the same, inks and use thereof |
| 03/24/2005 | WO2004108834A3 Magenta metal complex azo compounds and inks and their use in ink-jet printing |
| 03/23/2005 | EP1517316A1 New azo type dyes for optical data recording |
| 03/17/2005 | US20050059813 Metal complex colorant comprising azo moiety |
| 03/16/2005 | EP1514267A2 Optical storage media comprising pentacyclic xanthylium dyes |
| 03/10/2005 | US20050054841 Complexes of azo dyes, acid dyes or direct dyes; storage stability, colorfastness, such as light resistance, water resistance; uniformly dispersed in a solution; use in fibers, foods, drugs, cosmetics, coatings, inks or ceramics |
| 03/02/2005 | EP1509573A1 Anthraquinone-azo dyes |
| 03/01/2005 | US6861106 Dichroic dye, composition thereof, and liquid crystal composition and liquid crystal display element containing the same |
| 02/16/2005 | EP1506547A1 High-performance optical storage media |
| 02/10/2005 | US20050028300 Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetraazapentamethine compounds |