Patents for C09B 43 - Preparation of azo dyes from other azo compounds (1,452)
04/2012
04/04/2012CN102399184A 化合物以及染料 Compounds and dyes
03/2012
03/01/2012WO2012026607A1 Azo compound, and pigment dispersant, pigment composition, pigment dispersion and toner including the azo compound
02/2012
02/08/2012CN102344691A Dyes and colored compositions
02/01/2012CN102337039A Water-soluble dye and preparation method and application thereof
01/2012
01/19/2012WO2012008360A1 Coloring agent, coloring composition, color filter and display element
01/05/2012WO2012002277A1 Ink composition, inkjet recording method, and colored material
01/05/2012CA2803909A1 Ink composition, inkjet recording method, and colored material
10/2011
10/12/2011EP1537180B1 Process for preparing azo compound
10/06/2011WO2011122427A1 Water-soluble azo compound or salt thereof, ink composition and colored body
10/06/2011WO2011122426A1 Water-soluble azo compound or salt thereof, ink composition and colored body
10/06/2011US20110239903 Modified pigments and methods for making and using the same
10/06/2011CA2800256A1 Water-soluble azo compound or salt thereof, ink composition, and colored body
09/2011
09/07/2011EP1732990B1 Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety
08/2011
08/24/2011EP1767523B1 Azo compound, composition for optical alignment film using same, and method for producing optical alignment film
08/03/2011EP2096145B1 Water-soluble azo compounds or salts thereof, ink compositions and colored products
07/2011
07/21/2011WO2011086966A1 Water-soluble azo compound or salts thereo, ink composition and colored body
07/06/2011CN100999613B Azo compounds
06/2011
06/09/2011WO2011068046A1 Water-soluble azo compound or salt thereof, ink composition, and colored body
05/2011
05/04/2011CN102040855A Method for preparing direct yellow G
05/04/2011CN102040854A Ionic liquid taking azo dye derivative as anion and preparation method thereof
04/2011
04/21/2011US20110092621 Dyes with polyester side chain for polymer-coloration, their preparation and their use
04/20/2011CN101284800B Monoazo compounds with alkoxy, preparation method and uses thereof
04/14/2011WO2011043184A1 Azo compounds, ink compositions, and colored bodies
04/14/2011CA2775912A1 Azo compounds, ink compositions, and colored bodies
04/07/2011US20110078863 Phthalimidyl-azo dyes, process for their preparation and their use
04/06/2011CN101999991A Dying composition comprising a particular disulfide dye and process of dying keratinous fibres with this dye
03/2011
03/31/2011WO2011005713A3 Visible light absorbers for ophthalmic lens materials
03/03/2011WO2011024891A1 Dichroic dye composition, polarizing film, liquid crystal cells and display devices
03/02/2011CN101982508A Carboxylic ester type disperse dye capable of being washed by alkali and preparation method thereof
01/2011
01/26/2011EP1358274B1 Phthalimidyl azo dyes, process for their preparation and the use thereof
01/13/2011CA2765216A1 Visible light absorbers for ophthalmic lens materials
12/2010
12/29/2010CN1954035B Monoazo dyes
12/23/2010WO2010146994A1 Water-soluble azo compound or salt thereof, ink composition and colored body
12/23/2010US20100319142 Improved Shading Process
12/22/2010EP2264106A1 Azo pigment composition, process for production of the composition, dispersions containing the composition, colored compositions and jet printing ink
12/15/2010CN101914302A K-type active light-resistant red azo dye and preparation method thereof
12/08/2010CN1990602B Azo compounds
12/08/2010CN101151332B Novel polymerizable dye and ophthalmic lens containing the same
12/02/2010US20100299849 Shading process
12/01/2010CN101307188B Preparation process for directly blended spinning yellow dye
11/2010
11/11/2010US20100281629 Azo dyes for dyeing and printing hydrophobic materials
11/04/2010WO2010125903A1 Water-soluble azo compound or salt thereof, ink composition, and colored article
11/03/2010CN101875631A Dye composition
10/2010
10/27/2010EP1942154B1 Water soluble azo compound, ink composition, and colored material
10/27/2010CN101870673A Dye compound
10/13/2010CN101861362A Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye
09/2010
09/21/2010US7799122 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
08/2010
08/10/2010US7772377 Easily purified polymer alkylene oxide linked monoazo dyes; reduced printer head clogging and toxicity
07/2010
07/14/2010EP2205680A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye
06/2010
06/17/2010US20100151212 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
06/02/2010EP1337591B1 Polymeric bis-acetoacetanilide azo colorants
06/02/2010CN101260245B Medium black 2B technique
05/2010
05/26/2010CN1965033B Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety
04/2010
04/28/2010EP1523526B1 Disazo dyes and ink jet inks containing them
04/21/2010EP1915428B1 Process, compound, ink and use
04/08/2010WO2010038379A1 Water-soluble azo compound or salt thereof, ink composition and colored body
03/2010
03/30/2010US7686852 Monoazo dyes
02/2010
02/25/2010WO2009040355A3 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye
02/16/2010US7662937 Polymerizable dye and ophthalmic lens containing the same
01/2010
01/14/2010US20100010204 Method of preparing complex-azo pigment and complex-azo pigment thereof
01/13/2010CN100580027C P-nitro azobenzene dye containing diphenyl ketone through ether bond linkage, synthesis and application thereof
01/06/2010CN100577635C Azo compound, composition for optical alignment film using same, and method for producing optical alignment film
12/2009
12/29/2009US7638610 Self-dispersible metal complex colorant comprising azo moiety
12/23/2009WO2009154142A1 Water-soluble azo compound or salt thereof, ink composition, and colored matter
12/23/2009WO2009154141A1 Water-soluble azo compound or salt thereof, ink composition, and colored matter
12/17/2009WO2009040318A3 Dyes with polyester side chain for polymer -coloration, their preparation and their use
11/2009
11/25/2009CN101585807A Azo compounds or their salts
11/25/2009CN101585806A Azo comounds or their salt and process for producing the same
11/17/2009US7619075 Colorant compositions
11/11/2009CN101575458A Water-soluble azobenzene dye with polymerization activity and preparation method thereof
09/2009
09/24/2009US20090240329 Compounds Suitable as Polymerizable Yellow Dyes; Polymerizable and/or Crosslinkable Compositions, Polymer Matrices and Intraocular Lenses Containing them
09/02/2009EP2096145A1 Water-soluble azo compounds or salts thereof, ink compositions and colored products
09/02/2009CN101519537A Asymmetric azo complex dye and manufacturing method thereof
08/2009
08/27/2009US20090211893 Photo-Activatable Amino Acids
08/25/2009US7579191 Reaction method using microreactor
08/20/2009US20090209742 Disperse dyes, production and use
08/11/2009US7572911 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
08/06/2009US20090198045 Method of conditioning azo pigments containing carboxylic ester groups
06/2009
06/04/2009US20090142553 Yellow Dye and a Process for Ink Jet Printing Using the Dye
06/03/2009EP1377265B1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye
06/03/2009CN101445668A Direct everbright fast orange GGL pollution-free preparation process
06/03/2009CN100494287C New process for cation dye parent quaterisation
05/2009
05/28/2009WO2009066412A1 Water-soluble azo compound or salt thereof, ink composition and colored body
05/06/2009CN101426860A Bridged n-cyclic sulfonamido inhibitors of gamma secretase
05/06/2009CN101423671A Azo structure carboxylic amide type dyes for polylactic acid fiber dyeing and preparation method thereof
05/05/2009US7527862 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)
04/2009
04/30/2009DE19736667B4 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
04/22/2009EP1913091B1 Azo compounds
04/08/2009EP2044156A1 Bis- (oh-triazinyl) - bridged azo dyes, ink, process and use
04/02/2009WO2009040355A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye
04/01/2009EP2042570A1 Photo-curable composition including polymerizable compound, polymerization initiator, and dye
03/2009
03/18/2009EP2036954A2 Azo compound, curable composition, color filter, and method of producing the same
02/2009
02/18/2009CN101368002A Azo dye acrylic ester, its copolymerization latex coating dyeing watersoluble adhesive agent and method of producing the same
01/2009
01/27/2009US7482438 Hair dyes; blue or violet dyes with good washfastness, colorfastness, lightfastness
01/27/2009US7481523 Monoazo compounds and inks containing them
12/2008
12/31/2008CN101333340A Azo compound and method of preparing the azo compound
12/24/2008CN100445334C Process for the preparation of cationic azo compounds
11/2008
11/27/2008WO2008142989A1 Water-soluble azo compound or salt thereof, ink composition, and colored material
11/19/2008CN101307188A Preparation process for directly blended spinning yellow dye
10/2008
10/29/2008CN101297002A Water soluble azo compound, ink composition, and colored material
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