| Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452) |
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| 04/04/2012 | CN102399184A 化合物以及染料 Compounds and dyes |
| 03/01/2012 | WO2012026607A1 Azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound |
| 02/08/2012 | CN102344691A Dyes and colored compositions |
| 02/01/2012 | CN102337039A Water-soluble dye and preparation method and application thereof |
| 01/19/2012 | WO2012008360A1 Coloring agent, coloring composition, color filter and display element |
| 01/05/2012 | WO2012002277A1 Ink composition, inkjet recording method, and colored material |
| 01/05/2012 | CA2803909A1 Ink composition, inkjet recording method, and colored material |
| 10/12/2011 | EP1537180B1 Process for preparing azo compound |
| 10/06/2011 | WO2011122427A1 Water-soluble azo compound or salt thereof, ink composition and colored body |
| 10/06/2011 | WO2011122426A1 Water-soluble azo compound or salt thereof, ink composition and colored body |
| 10/06/2011 | US20110239903 Modified pigments and methods for making and using the same |
| 10/06/2011 | CA2800256A1 Water-soluble azo compound or salt thereof, ink composition, and colored body |
| 09/07/2011 | EP1732990B1 Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety |
| 08/24/2011 | EP1767523B1 Azo compound, composition for optical alignment film using same, and method for producing optical alignment film |
| 08/03/2011 | EP2096145B1 Water-soluble azo compounds or salts thereof, ink compositions and colored products |
| 07/21/2011 | WO2011086966A1 Water-soluble azo compound or salts thereo, ink composition and colored body |
| 07/06/2011 | CN100999613B Azo compounds |
| 06/09/2011 | WO2011068046A1 Water-soluble azo compound or salt thereof, ink composition, and colored body |
| 05/04/2011 | CN102040855A Method for preparing direct yellow G |
| 05/04/2011 | CN102040854A Ionic liquid taking azo dye derivative as anion and preparation method thereof |
| 04/21/2011 | US20110092621 Dyes with polyester side chain for polymer-coloration, their preparation and their use |
| 04/20/2011 | CN101284800B Monoazo compounds with alkoxy, preparation method and uses thereof |
| 04/14/2011 | WO2011043184A1 Azo compounds, ink compositions, and colored bodies |
| 04/14/2011 | CA2775912A1 Azo compounds, ink compositions, and colored bodies |
| 04/07/2011 | US20110078863 Phthalimidyl-azo dyes, process for their preparation and their use |
| 04/06/2011 | CN101999991A Dying composition comprising a particular disulfide dye and process of dying keratinous fibres with this dye |
| 03/31/2011 | WO2011005713A3 Visible light absorbers for ophthalmic lens materials |
| 03/03/2011 | WO2011024891A1 Dichroic dye composition, polarizing film, liquid crystal cells and display devices |
| 03/02/2011 | CN101982508A Carboxylic ester type disperse dye capable of being washed by alkali and preparation method thereof |
| 01/26/2011 | EP1358274B1 Phthalimidyl azo dyes, process for their preparation and the use thereof |
| 01/13/2011 | CA2765216A1 Visible light absorbers for ophthalmic lens materials |
| 12/29/2010 | CN1954035B Monoazo dyes |
| 12/23/2010 | WO2010146994A1 Water-soluble azo compound or salt thereof, ink composition and colored body |
| 12/23/2010 | US20100319142 Improved Shading Process |
| 12/22/2010 | EP2264106A1 Azo pigment composition, process for production of the composition, dispersions containing the composition, colored compositions and jet printing ink |
| 12/15/2010 | CN101914302A K-type active light-resistant red azo dye and preparation method thereof |
| 12/08/2010 | CN1990602B Azo compounds |
| 12/08/2010 | CN101151332B Novel polymerizable dye and ophthalmic lens containing the same |
| 12/02/2010 | US20100299849 Shading process |
| 12/01/2010 | CN101307188B Preparation process for directly blended spinning yellow dye |
| 11/11/2010 | US20100281629 Azo dyes for dyeing and printing hydrophobic materials |
| 11/04/2010 | WO2010125903A1 Water-soluble azo compound or salt thereof, ink composition, and colored article |
| 11/03/2010 | CN101875631A Dye composition |
| 10/27/2010 | EP1942154B1 Water soluble azo compound, ink composition, and colored material |
| 10/27/2010 | CN101870673A Dye compound |
| 10/13/2010 | CN101861362A Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 09/21/2010 | US7799122 Optionally substituted bis(p-(sulfo- or phosphono-arylazo)phenylamino)hydroxy-1,3,5-triazine for use in ink jet printing inks; particularly good ozone fastness, optical density and especially good light fastness |
| 08/10/2010 | US7772377 Easily purified polymer alkylene oxide linked monoazo dyes; reduced printer head clogging and toxicity |
| 07/14/2010 | EP2205680A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 06/17/2010 | US20100151212 Optionally substituted bis(p-(sulfo- or phosphono-arylazo)phenylamino)hydroxy-1,3,5-triazine for use in ink jet printing inks; particularly good ozone fastness, optical density and especially good light fastness |
| 06/02/2010 | EP1337591B1 Polymeric bis-acetoacetanilide azo colorants |
| 06/02/2010 | CN101260245B Medium black 2B technique |
| 05/26/2010 | CN1965033B Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety |
| 04/28/2010 | EP1523526B1 Disazo dyes and ink jet inks containing them |
| 04/21/2010 | EP1915428B1 Process, compound, ink and use |
| 04/08/2010 | WO2010038379A1 Water-soluble azo compound or salt thereof, ink composition and colored body |
| 03/30/2010 | US7686852 Monoazo dyes |
| 02/25/2010 | WO2009040355A3 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 02/16/2010 | US7662937 Polymerizable dye and ophthalmic lens containing the same |
| 01/14/2010 | US20100010204 Method of preparing complex-azo pigment and complex-azo pigment thereof |
| 01/13/2010 | CN100580027C P-nitro azobenzene dye containing diphenyl ketone through ether bond linkage, synthesis and application thereof |
| 01/06/2010 | CN100577635C Azo compound, composition for optical alignment film using same, and method for producing optical alignment film |
| 12/29/2009 | US7638610 Self-dispersible metal complex colorant comprising azo moiety |
| 12/23/2009 | WO2009154142A1 Water-soluble azo compound or salt thereof, ink composition, and colored matter |
| 12/23/2009 | WO2009154141A1 Water-soluble azo compound or salt thereof, ink composition, and colored matter |
| 12/17/2009 | WO2009040318A3 Dyes with polyester side chain for polymer -coloration, their preparation and their use |
| 11/25/2009 | CN101585807A Azo compounds or their salts |
| 11/25/2009 | CN101585806A Azo comounds or their salt and process for producing the same |
| 11/17/2009 | US7619075 Colorant compositions |
| 11/11/2009 | CN101575458A Water-soluble azobenzene dye with polymerization activity and preparation method thereof |
| 09/24/2009 | US20090240329 Compounds Suitable as Polymerizable Yellow Dyes; Polymerizable and/or Crosslinkable Compositions, Polymer Matrices and Intraocular Lenses Containing them |
| 09/02/2009 | EP2096145A1 Water-soluble azo compounds or salts thereof, ink compositions and colored products |
| 09/02/2009 | CN101519537A Asymmetric azo complex dye and manufacturing method thereof |
| 08/27/2009 | US20090211893 Photo-Activatable Amino Acids |
| 08/25/2009 | US7579191 Reaction method using microreactor |
| 08/20/2009 | US20090209742 Disperse dyes, production and use |
| 08/11/2009 | US7572911 Azotization of 5-amino-3-t-butyl-4-cyanopyrazole, then reacting with couplers and alkylation or arylation, to form azo dyes, used as inks having colorfastness; liquid crystal displays and plasma display panels; excellent color reproducibility |
| 08/06/2009 | US20090198045 Method of conditioning azo pigments containing carboxylic ester groups |
| 06/04/2009 | US20090142553 Yellow Dye and a Process for Ink Jet Printing Using the Dye |
| 06/03/2009 | EP1377265B1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 06/03/2009 | CN101445668A Direct everbright fast orange GGL pollution-free preparation process |
| 06/03/2009 | CN100494287C New process for cation dye parent quaterisation |
| 05/28/2009 | WO2009066412A1 Water-soluble azo compound or salt thereof, ink composition and colored body |
| 05/06/2009 | CN101426860A Bridged n-cyclic sulfonamido inhibitors of gamma secretase |
| 05/06/2009 | CN101423671A Azo structure carboxylic amide type dyes for polylactic acid fiber dyeing and preparation method thereof |
| 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) |
| 04/30/2009 | DE19736667B4 Bisazo-Verbindung und Verfahren zum Färben oder Bedrucken von Fasermaterialien unter Verwendung dieser Verbindungen Bisazo compound and processes for dyeing or printing fiber materials using these compounds |
| 04/22/2009 | EP1913091B1 Azo compounds |
| 04/08/2009 | EP2044156A1 Bis- (oh-triazinyl) - bridged azo dyes, ink, process and use |
| 04/02/2009 | WO2009040355A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 04/01/2009 | EP2042570A1 Photo-curable composition including polymerizable compound, polymerization initiator, and dye |
| 03/18/2009 | EP2036954A2 Azo compound, curable composition, color filter, and method of producing the same |
| 02/18/2009 | CN101368002A Azo dye acrylic ester, its copolymerization latex coating dyeing watersoluble adhesive agent and method of producing the same |
| 01/27/2009 | US7482438 Hair dyes; blue or violet dyes with good washfastness, colorfastness, lightfastness |
| 01/27/2009 | US7481523 Monoazo compounds and inks containing them |
| 12/31/2008 | CN101333340A Azo compound and method of preparing the azo compound |
| 12/24/2008 | CN100445334C Process for the preparation of cationic azo compounds |
| 11/27/2008 | WO2008142989A1 Water-soluble azo compound or salt thereof, ink composition, and colored material |
| 11/19/2008 | CN101307188A Preparation process for directly blended spinning yellow dye |
| 10/29/2008 | CN101297002A Water soluble azo compound, ink composition, and colored material |