| Patents for C09B 31 - Disazo or polyazo dyes of the type a b c, a b c d, or the like, prepared by diazotising and coupling (1,445) |
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| 03/11/2008 | US7341607 Yellow anionic disazo dyes |
| 03/06/2008 | WO2007115960A3 Acid dyes |
| 03/06/2008 | US20080057591 Metal Indicator |
| 02/28/2008 | US20080047079 Reactive Polyazo Dyes |
| 02/27/2008 | CN100371394C Light resistant, bis-azo yellow organic pigment and method for preparing the same |
| 02/20/2008 | EP1320573B1 Black azo dyes |
| 02/05/2008 | US7326288 Bis(arylazo)azodinaphthalenes in which the naphthalene rings are substituted with amine, hydroxy and sulfonate groups and at least one of the aryls is nitro-substituted; ozone resistance, light resistance, moisture resistance, and color rendering, satisfactory storage stability; ink-jet recording |
| 01/30/2008 | CN101115802A Coloring matter for anisotropic coloring matter film, composition comprising said coloring matter, anisotropic coloring matter film, and polarizing element |
| 01/23/2008 | EP1881349A1 Composition for anisotropic dye film, anisotropic dye film, and polarizing device |
| 01/17/2008 | US20080010756 Cyanopyridine-Based Azo Dyes |
| 01/16/2008 | CN101107325A 6-azo-5,5'-dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine derivatives |
| 01/15/2008 | US7318964 Luminescent material for organic and polymer-based electro-luminescence element and other optical elements |
| 01/09/2008 | CN100360615C Process for preparing azo compound |
| 12/27/2007 | WO2007148757A1 Azo compound and dye polarizing film containing the same |
| 12/27/2007 | CA2655743A1 Azo compound and dye polarizing film containing the same |
| 12/21/2007 | WO2007145210A1 Azo compound and dye polarizing film containing the same |
| 12/21/2007 | WO2007145159A1 Azo dye for anisotropic dye film |
| 12/21/2007 | CA2654868A1 Azo compound and dye polarizing film containing the same |
| 12/19/2007 | EP1867684A1 Coloring matter for anisotropic coloring matter film, composition comprising said coloring matter, anisotropic coloring matter film, and polarizing element |
| 12/12/2007 | CN101087853A Trisazo dye, composition containing the same for anisotropic dye film, anisotropic dye film, and polarizing element |
| 12/06/2007 | WO2007139096A1 Azo dye for anisotropic dye film |
| 12/04/2007 | US7304147 Dis-, tris- and tetraazo dyes having a 2-phenylbenzotriazole group and a substituted naphthyl group; durable polarizing plate having little color leakage in visible light range. |
| 11/29/2007 | US20070276132 As dyes, to inks, printing, printed substrates and to ink-jet printer cartridges |
| 11/27/2007 | US7301012 Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter |
| 11/22/2007 | WO2007132813A1 Black ink composition, ink set, ink cartridge, ink jet recording method and recorded matter |
| 11/22/2007 | WO2007132151A1 Trisazo dyes, compositions and ink jet printing processes |
| 11/22/2007 | WO2007132150A1 Trisazo compounds, compositions and ink jet printing processes |
| 11/01/2007 | WO2007071552A3 Contrast dyes for inkjet lithographic printing plates |
| 10/31/2007 | CN101065451A Azo compounds and dye-type polarizing films or plates containing the same |
| 10/18/2007 | CA2644678A1 Acid dyes |
| 10/17/2007 | CN101056949A Azo dye, composition containing the same for anisotropic dye film, anisotropic dye film, and polorizing element |
| 10/16/2007 | US7281788 Ink for inkjet recording, ink set for inkjet recording and inkjet recording method |
| 10/11/2007 | WO2007091006A3 Ink-jet printing using disazo dyes |
| 10/04/2007 | US20070227388 Tetrakisazo Compound, Coloring Matter for Recording, Ink Composition and Colored Article |
| 10/03/2007 | EP1838788A2 6-azo-5,5'-dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine derivatives |
| 10/02/2007 | US7276268 Liquid crystal displays of large light quantity such as car navigations, liquid crystal projectors, televisions for projection; light resistance by which the absorbance of a polarization film does not decrease even if irradiated with light of large quantity under a high temperature |
| 09/26/2007 | EP1837378A1 Azo dye, composition containing the same for anisotropic dye film, anisotropic dye film, and polorizing element |
| 09/19/2007 | CN101040010A 4,4'-diazobenzanilide dyestuffs |
| 09/12/2007 | EP1832628A1 Trisazo dye, composition containing the same for anisotropic dye film, anisotropic dye film, and polarizing element |
| 09/12/2007 | EP1740657B1 Cationic naphthyldiazo dyes and agents containing said dyes used to colour keratin fibres |
| 08/23/2007 | US20070197699 Novel substituted-polyaryl chromophoric compounds |
| 08/15/2007 | CN101018829A Cyanopyridine-based azo dyes |
| 08/08/2007 | EP1816170A1 Azo compounds and dye-type polarizing films or plates containing the same |
| 08/07/2007 | US7252707 Inkjet recording ink set |
| 07/31/2007 | US7250079 Disazo dyes and an azo dyes mixture; forming an image having good color hue and high colorfastness to light and ozone gas; black color; inks comprising a metal phthalocyanine dye |
| 07/24/2007 | US7247195 Dye sets for ink-jet ink imaging |
| 07/19/2007 | US20070166483 Azo compound and polarizing film and polarizing plate each containing the same |
| 07/12/2007 | WO2007077931A1 Trisazo compound, ink composition, recording method and colored matter |
| 07/12/2007 | CA2635846A1 Trisazo compound, ink composition, recording method, and colored article |
| 07/05/2007 | US20070154898 Multiplexing methods using dark quenchers, nonfluorescing disazo dyes, functionalized for their rapid attachment to probe components; engineered to have a desired light absorption profile; facilitate interaction between quencher and fluorophore without form nucleic acid secondary structure |
| 07/04/2007 | EP1803780A1 Contrast dyes for inkjet lithographic printing plates |
| 06/20/2007 | EP1797146A1 Cyanopyridine-based azo dyes |
| 06/07/2007 | WO2007062958A1 Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing |
| 06/07/2007 | US20070124872 Method of coloring with capped diazotized compound and coupling component |
| 05/30/2007 | CN1970640A Ocular colorant and colorful ocular material using same |
| 05/22/2007 | US7220843 For use in recording fluids, especially for the inkjet printing |
| 05/22/2007 | US7220302 Storage, humidity and jet out stability; quality images having heat, light and ozone resistance; contains alkylene diol |
| 05/15/2007 | US7217803 soluble in organic solvents; for dyeing or printing semi-synthetic or synthetic hydrophobic fiber material; wood stains |
| 05/02/2007 | EP1778644A2 Method of coloring with capped diazotized compound and coupling component |
| 04/17/2007 | US7205347 Substituted-polyaryl chromophoric compounds |
| 04/12/2007 | US20070079740 Azo compound and salt thereof |
| 04/12/2007 | DE102005047391A1 Farbstoffe und Farbstoffmischungen von faserreaktiven Azofarbstoffen, ihre Herstellung und ihre Verwendung Dyes and dye mixtures of fiber-reactive azo dyes, their preparation and their use |
| 03/28/2007 | EP1765932A2 Aliphatic hydrocarbon soluble red dyes |
| 03/22/2007 | US20070062409 Trisazo-dyestuffs |
| 03/20/2007 | US7192475 Aqueous ink |
| 03/14/2007 | CN1927945A Disazo dyes compounds and application thereof |
| 03/13/2007 | CA2159872C Pigment for electrophotographic toners and developers |
| 03/08/2007 | US20070050928 Disperse azo dyestuffs |
| 03/06/2007 | US7186292 Inkjet ink, inkjet recording method and color toner composition |
| 03/01/2007 | WO2007023733A1 Azo compound and polarizing film containing the compound |
| 02/28/2007 | EP1633824A4 Ink and ink-jet recording ink |
| 02/21/2007 | CN1918132A Method of coloring with capped diazotized compound and coupling component |
| 02/14/2007 | CN1914283A Azo compound and polarizing film and polarizing plate each containing the same |
| 02/06/2007 | US7173114 Lightfast colorant and lightfast ink composition including the same |
| 01/18/2007 | WO2007006682A1 Phenylazo-acetoacetanilide derivatives with a polymer! zable functional group and related compounds as monomers for preparing polymeric pigment dispersants for inkjet inks |
| 01/16/2007 | US7163576 to improve the light-fastness properties of prints is to prevent images fading or vanishing, or becoming discoloured over time |
| 01/11/2007 | WO2007003524A1 Disazo dyes and dye compositions for shading white paper |
| 01/10/2007 | EP1740657A1 Cationic naphthyldiazo dyes and agents containing said dyes used to colour keratin fibres |
| 12/27/2006 | CN1884388A Red disazo dyes |
| 12/26/2006 | US7153351 In liquid medium comprising water and organic solvent; good storage stability, low tendency to block very fine nozzles used in ink jet printers; resultant images have good optical density, light-fastness, wet-fastness and resistance to fading in presence of oxidizing air pollutants |
| 12/21/2006 | US20060286477 Methanesulfoamide azo dyes |
| 12/06/2006 | CN1288212C Azodyes, preparing method thereof and use in dyeing or printing of hydrophobic fiber materials |
| 11/29/2006 | CN1871306A Disperse azo dyestuffs |
| 11/22/2006 | CN1867637A Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements |
| 11/02/2006 | WO2006115206A1 Composition for anisotropic dye film, anisotropic dye film, and polarizing device |
| 11/02/2006 | WO2006077189A3 6-azo-5,5'-dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine derivatives |
| 10/18/2006 | EP1712595A1 Azo compound and polarizing film and polarizing plate each containing the same |
| 10/18/2006 | EP1534789B1 Ink for inkjet recording, ink set for inkjet recording and inkjet recording method |
| 10/18/2006 | EP1370618B1 Azo dyes containing a barbituric acid moiety, ink-jet printing inks and processes |
| 10/18/2006 | EP1370613B1 Disazo dyes, ink-jet printing inks and processes |
| 10/12/2006 | WO2006107035A1 Coloring matter for anisotropic coloring matter film, composition comprising said coloring matter, anisotropic coloring matter film, and polarizing element |
| 10/11/2006 | EP1679350A9 Dye for anisotropic dye film, dye composition for anisotropic dye film, anisotropic dye film and polarizing device |
| 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 |
| 09/19/2006 | US7108897 Polyvinyl alcohol film containing water soluble tris- or poly-azo dyes; durability; green channel liqukcrystal projector |
| 09/06/2006 | EP1697467A1 Trisazo-dyestuffs |
| 09/06/2006 | EP1697315A1 Magenta dyes and their use in ink-jet printing |
| 08/22/2006 | US7094277 Dye includes chromophore ionically coupled to counterion; one of chromophore and counterion includes hydrophilic moiety; for ink-jet printing on both hydrophilic and hydrophobic papers |
| 08/17/2006 | US20060182902 Molecular alignment suitable to develop a dichroic ratio, it provides high dichromatic properties; azo dye; film is excellent in heat resistance, light fastness and polarizing performance; light control device, a liquid crystal device and a display device of an organic electroluminescence device (OLED) |
| 08/03/2006 | WO2006063869A3 Symmetrical diazo compounds with 3-pyridinium groups and cationic linker arm, compositions comprising same, dyeing method and device |
| 08/03/2006 | WO2006063867A3 Symmetrical diazo compounds containing 3-pyridinium groups and a non-cationic linker, compositions comrisisng them, method of colouring, and device |