| 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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| 11/12/2009 | WO2009136575A1 Trisazo compound, ink composition, recording method and coloring material |
| 11/05/2009 | US20090275742 Coloring matter for anisotropic coloring matter film, composition comprising said coloring matter, anisotropic coloring matter film, and polarizing element |
| 11/04/2009 | EP2113011A2 Disperse dyes, their preparation and their use |
| 10/29/2009 | US20090267031 Azo dye, composition containing the same for anisotropic dye film, anisotropic dye film, and polarizing element |
| 10/28/2009 | CN101565553A Brown azo dye and preparation and application thereof |
| 10/07/2009 | EP1506260B1 Trisazo dyes for ink jet printing |
| 09/09/2009 | EP1614719B1 Azo compound and salt thereof |
| 09/01/2009 | US7582432 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 |
| 08/26/2009 | EP1954765B1 Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing |
| 08/20/2009 | WO2009101849A1 Process for producing water-resistant polarizing film |
| 08/20/2009 | WO2009101428A1 Polyazo compounds and their use in ink jet printing |
| 08/20/2009 | US20090208713 Trisazo Compounds, Compositions and Ink Jet Printing Processes |
| 08/19/2009 | CN100528967C Azo compound and polarizing film and polarizing plate each containing the same |
| 08/12/2009 | CN100526397C Ink for inkjet recording, ink set for inkjet recording and inkjet recording method |
| 08/05/2009 | EP2085434A1 Disperse dyes soluble in water |
| 08/05/2009 | EP2084232A1 Disperse azo dyestuffs |
| 07/15/2009 | EP2016135B1 Acid dyes |
| 07/08/2009 | CN101479347A Azo compound and dye polarizing film containing the same |
| 06/30/2009 | US7553359 Stable liquid formulations of anionic dyes |
| 06/25/2009 | WO2009078253A1 Trisazo compound, ink composition, recording method and colored body |
| 06/24/2009 | CN101466798A Azo compound and dye polarizing film containing the same |
| 06/17/2009 | CN101457028A Method for manufacturing acid orange G and use thereof |
| 06/10/2009 | CN100497495C Coloring composition and inkjet recording method |
| 06/04/2009 | WO2009069665A1 Azo compound for anisotropic films |
| 06/04/2009 | WO2009069279A1 Trisazo compound, ink composition, printing method and colored body |
| 06/02/2009 | CA2246228C Fluorescent yellow azo pigments |
| 05/26/2009 | CA2246233C Fluorescent orange azo pigments |
| 05/22/2009 | WO2009063880A1 Pyrazole disazo dye and ink containing the dye |
| 05/19/2009 | US7533978 Color composition and inkjet recording method |
| 05/13/2009 | CN101432371A Trisazo dyes, compositions and ink jet printing processes |
| 05/07/2009 | WO2009057676A1 Azo compound, and dye-containing polarizing film comprising the same |
| 05/07/2009 | CA2703934A1 Azo compound, and dye-containing polarizing film comprising the same |
| 05/05/2009 | US7527862 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) |
| 04/29/2009 | EP1712595B1 Azo compound and polarizing film and polarizing plate each containing the same |
| 04/22/2009 | CN101415781A Acid dyes |
| 04/14/2009 | US7517367 2-{2-[(2-hydroxy-1-naphthyl)diazenyl]phenoxy}-N,N,N-trimethylethanaminium methylsulfate; non-oxidative colorants |
| 04/09/2009 | WO2009044600A1 Coating liquid and polarizing film |
| 04/08/2009 | EP2045296A1 Azo compound and dye polarizing film containing the same |
| 04/08/2009 | CN100475914C Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements |
| 04/07/2009 | US7514129 Azo compound and polarizing film and polarizing plate each containing the same |
| 04/02/2009 | WO2009041203A1 Processes for producing coating fluid and optically anisotropic film |
| 04/02/2009 | US20090083913 Violet dyes such as 2-(((3-sulfo-)phenyl)-azo-((2-methyl-),5-(2-hydroxyethoxy-)-1,4-phenylene)azo-),3-(sulfo-),5-(phenyl-nh-)naphth-2-ol;hue angles in the range of 270-300 degrees; suitable for use alone or with fluorescent whiteners; affinity to cellulose fiber |
| 03/31/2009 | US7510605 Dye ink, ink jet recording method, ink sheet, color toner and color filter |
| 03/26/2009 | WO2009037215A2 Azo dyes for dyeing and printing hydrophobic materials |
| 03/26/2009 | WO2008049758A3 Disperse dyes, their preparation and their use |
| 03/26/2009 | CA2700290A1 Azo dyes for dyeing and printing hydrophobic materials |
| 03/12/2009 | US20090068414 compounds provide inks which when printed exhibit particularly good ozone fastness, light fastness and optical density, making them especially suitable as colorants for photorealistic and other ink jet printing applications providing bright yellow ink jet prints |
| 03/04/2009 | EP2031027A1 Azo compound and dye polarizing film containing the same |
| 02/26/2009 | US20090053479 Disazo Dyes for Ink-Jet Printing |
| 02/18/2009 | EP2024443A1 Trisazo dyes, compositions and ink jet printing processes |
| 02/18/2009 | EP2024442A1 Trisazo compounds, compositions and ink jet printing processes |
| 02/12/2009 | WO2009019207A1 Disperse dyes, their preparation and use |
| 02/12/2009 | US20090041939 Paper, overhead projector slide or printed textile; refillable ink jet printer cartridge |
| 02/12/2009 | CA2695810A1 Disperse dyes, their preparation and use |
| 02/11/2009 | EP2022831A1 Black ink composition, ink set, ink cartridge, ink jet recording method and recorded matter |
| 02/10/2009 | US7488354 Dyeing composition comprising at least one disulphide dye and method of dyeing human keratin fibers using this dye |
| 01/21/2009 | EP2016135A2 Acid dyes |
| 01/15/2009 | US20090018317 Reactive dyestuffs with alkylthio group and beta-sulfatoethysulfone group |
| 01/14/2009 | CN101346437A Trisazo compound, ink composition, recording method and colored matter |
| 01/13/2009 | US7476260 Disulfide dyes, composition comprising them and method of dyeing hair |
| 12/09/2008 | US7462228 Water-base black ink composition and colored product |
| 12/03/2008 | CN101316900A Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing |
| 12/03/2008 | CN100439450C Disperse azo dyestuffs |
| 11/19/2008 | CN101308279A Liquid crystal display device |
| 11/19/2008 | CN101307187A Preparation process for directly blended spinning navy D-R dye |
| 11/19/2008 | CN101307186A Red disazo dye compound, preparation method and composition thereof |
| 11/04/2008 | US7446184 Magenta dyes and their use in ink-jet printing |
| 10/23/2008 | WO2007147843A3 Reversibly thermochromic compositions |
| 10/21/2008 | US7438753 Diazo 1-Amino-8-naphthol-3,6-disulfonic acid or salt; a black dye for ink-jet printing ink, good light-fastness |
| 10/15/2008 | CN101284950A Process for preparing reactive dye and active deep red C-D by micro- reactor |
| 10/07/2008 | US7431760 Ink and ink-jet recording ink |
| 10/01/2008 | EP1975205A1 Trisazo compound, ink composition, recording method and colored matter |
| 09/25/2008 | US20080233289 Dyes Comprising [(4-[2-Amino-3,6-Disulpho-8-Hydroxynaphth-1-Ylazo]Anilino)- 1,3,5-Triazinyl] Moities |
| 09/17/2008 | CN100419029C Azo compound and salt thereof |
| 09/09/2008 | CA2482895C Coloring composition and inkjet recording method |
| 08/27/2008 | CN100413927C Disazo dyes compounds and application thereof |
| 08/21/2008 | US20080199615 Good hue; image colorfastness; disazo dye |
| 08/21/2008 | US20080196180 azo dyes for dyeing paper; colour strength, luminance and substantivity; nontoxic |
| 08/14/2008 | WO2008096697A1 Trisazo compound, ink composition, method of printing, and colorant |
| 08/14/2008 | US20080193660 Colorfast black ciolor; recording; photostability; ozone resistance; waterproof; storage stability; disazo dyes |
| 08/13/2008 | EP1954765A1 Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing |
| 07/16/2008 | CN101223252A Phenylazo-acetoacetanilide derivatives with a polymer! zable functional group and related compounds as monomers for preparing polymeric pigment dispersants for inkjet inks |
| 07/10/2008 | US20080167453 Cationic Naphthyldiazo Dyes and Keratin Fibers-Coloring Agents Containing These Dyes |
| 07/02/2008 | CN101213261A Disazo dyes and dye compositions for shading white paper |
| 06/18/2008 | CN101200599A Dye for anisotropic dye film, dye composition for anisotropic dye film, anisotropic dye film, and polarizing device |
| 05/28/2008 | CN100390236C Method for preparing tetrazo pigment |
| 05/15/2008 | WO2008056626A1 Azo compound, ink composition, recording method, and colored body |
| 05/15/2008 | WO2008055846A1 Disperse azo dyestuffs |
| 05/15/2008 | US20080114158 Yellow anionic disazo dyes |
| 05/15/2008 | CA2669107A1 Disperse azo dyestuffs |
| 05/14/2008 | CN100387656C Preparation technology of direct mixed spinning purple dyestuff |
| 05/07/2008 | CN101174439A Optics information recording medium |
| 05/02/2008 | WO2008049758A2 Disperse dyes, their preparation and their use |
| 05/02/2008 | CA2667542A1 Disperse dyes, their preparation and their use |
| 04/16/2008 | CN101163996A Composition for anisotropic dye film, anisotropic dye film, and polarizing device |
| 04/16/2008 | CN101161730A Method for synthesizing direct red 6B |
| 04/15/2008 | US7358345 dyeings on polyester with very good wet fastness properties can be obtained if selected dyestuffs containing one cyanomethylester group; such as 4-(4-nitrophenylazo)-3-methyl-N-ethyl-N-(2-cyanomethoxy-carbonylethyl)aniline |
| 04/02/2008 | EP1904592A1 Phenylazo-acetoacetanilide derivatives with a polymer! zable functional group and related compounds as monomers for preparing polymeric pigment dispersants for inkjet inks |
| 03/19/2008 | EP1899418A1 Disazo dyes and dye compositions for shading white paper |
| 03/12/2008 | CN100374516C Printing process using specified azo compounds |