| Patents for C09B 27 - Azo dyes in which the azo group is formed in any way other than by diazotising and coupling (210) |
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| 01/21/2015 | CN104292876A 利用微波加热制备直接染料黄11的方法 Prepared by microwave heating direct dyes Yellow 11 |
| 04/22/2014 | US8702815 Cyanoborate, fluoroalkylphosphate, fluoroalkylborate or imide dyes |
| 01/09/2014 | DE112012001131T5 Einstufiges Verfahren zur Synthese von "Yellow-11"-Farbstoff mit gleichmäßigem Farbton Single-stage process for the synthesis of "Yellow-11" having a uniform hue -dye |
| 11/26/2013 | US8592565 Preparation of azide-modified carbon surfaces for coupling to various species |
| 01/16/2013 | CN102876068A Preparation method of phthaloyl azo dye |
| 01/09/2013 | EP2543706A2 Stabilizer of color former and use thereof |
| 10/25/2012 | US20120270183 Method of treating and/or preventing conditions caused by microorganisms using an oral light device |
| 09/13/2012 | WO2012120543A1 A single step process for synthesis of yellow dye -11 of consistent colour tone |
| 12/15/2011 | US20110303122 Sterically bulky stabilizers |
| 08/16/2011 | US7999086 Method of conditioning azo pigments containing carboxylic ester groups |
| 02/03/2011 | US20110028701 Azodicarboxylic acid bis(2-alkoxyethyl) ester compound, and production intermediate thereof |
| 01/26/2011 | CN101959965A Stabilizer for color developer and use thereof |
| 01/05/2011 | EP2270105A1 Stabilizer for color developer and use thereof |
| 12/21/2010 | US7855041 Pigment preparation based on an azo pigment |
| 08/05/2010 | US20100192312 Polymeric dyes |
| 07/29/2010 | US20100190754 Azolylmethylidenehydrazine derivative and use thereof |
| 06/24/2010 | WO2010003969A3 New azo dyes |
| 06/24/2010 | US20100154680 Pigment granules which contain inorganic filter aids |
| 06/03/2010 | US20100132135 Reactive dyes, a process for their preparation and their use |
| 03/18/2010 | US20100068642 Universal Stir-In Pigments |
| 03/11/2010 | US20100063262 Process for producing 5-aminopyrazole derivative, and azo dye |
| 03/04/2010 | US20100050904 Production of finely divided pigments |
| 02/11/2010 | US20100035172 Nanosized particles of benzimidazolone pigments |
| 12/10/2009 | US20090305156 Pigment preparation based on an azo pigment |
| 09/24/2009 | WO2009116575A1 Stabilizer for color developer and use thereof |
| 09/24/2009 | US20090240329 Compounds Suitable as Polymerizable Yellow Dyes; Polymerizable and/or Crosslinkable Compositions, Polymer Matrices and Intraocular Lenses Containing them |
| 08/27/2009 | US20090216000 Preparation of organosilicon compounds |
| 08/27/2009 | US20090211893 Photo-Activatable Amino Acids |
| 07/09/2009 | US20090176973 Thrombopoietin mimetics |
| 04/30/2009 | WO2009028872A3 Dispersion dyes composite having distinguished color fastness and fire retardant property |
| 04/23/2009 | US20090104417 Magenta Dyes and Their Use in Ink-Jet Printing |
| 03/24/2009 | US7507260 dyeing keratinous fibers, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one silicone chosen from the aminated silicones and resins |
| 03/05/2009 | WO2009028872A2 Dispersion dyes composite having distinguished color fastness and fire retardant property |
| 01/29/2009 | US20090025600 containing 4,4'-diaminodicyclohexyl-methane wherein a fraction of trans,trans-isomer is at least 25% based on a total amount of 4,4'-diaminodicyclohexylmethane; a long chain aliphatic primary amine such as cocoamine, stearylamine etc. organic pigments such as pigment yellow 12 and a red pigment |
| 12/30/2008 | CA2309302C Dyeing composition for keratinous fibres with a cationic direct colouring agent and a silicone |
| 10/01/2008 | EP1975202A2 Novel azo compound and azo dye |
| 07/15/2008 | US7399354 Method for the production of pigment granules |
| 04/24/2008 | US20080096117 Bisazo compound, 2-hydroxy-3-phenylcarbamoyl naphthalene compound and method manufacturing bisazo compound |
| 03/06/2008 | US20080057417 Azobarbituric mono-cation salt and azobarbituric di-cation saltis reacted with a nickel compound and melamine; metallization, complexing; photoresists, color filters, liquidcrystal displays, ink jet printers |
| 01/17/2008 | US20080012930 Azo dye, colored composition, heat-sensitive transfer recording ink sheet, heat-sensitive transfer recording method, color toner, inkjet ink and color filter |
| 01/15/2008 | US7318964 Luminescent material for organic and polymer-based electro-luminescence element and other optical elements |
| 01/10/2008 | DE112006000487T5 Herstellung von Gelbpigmenten Preparation of yellow pigments |
| 11/29/2007 | US20070272125 wet or dry milling a pigment selected from the group consisting of dianthraquinone pigments, diketopyrrolopyrrole ( CHROMOPHTAL RED A2B and IRGAZIN DPR RED BO) with a diaminotriazine or aminodioxytriazine compound containing azo, keto, urea and amide groups; red filter, good brightness |
| 11/22/2007 | WO2007084360A3 Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests |
| 11/15/2007 | US20070261178 dyeing keratinous fibers, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one silicone chosen from the aminated silicones and resins |
| 09/27/2007 | US20070224345 Polyelectrolyte-encapsulated pigments |
| 09/20/2007 | US20070214580 Hair dyes; blue or violet dyes with good washfastness, colorfastness, lightfastness; quaternary imidazol-2yl-azo group attached to a m-carbonylaminobenzene group |
| 09/13/2007 | US20070213516 Process For Producing High-Purity Azo Dyes |
| 09/06/2007 | US20070204762 Azo Pigment Preparations for Packaging Gravure and Flexographic Printing |
| 07/26/2007 | US20070169665 Use of a pigment composition comprising mixed crystals based on ci pigment yellow 74 |
| 07/26/2007 | CA2636581A1 Method for determining ink usage efficiency in commercial printing processes using pigments and quantitative tests |
| 06/14/2007 | US20070131144 Water-based pigment preparations |
| 06/07/2007 | US20070125263 Pigment compositions consisting of a yellow disazo pigment and an organic pigment |
| 06/07/2007 | US20070125260 pigmenting electrophotographic toners, developers, inks, aqueous binders or color filters, by mixing with monoazo dyes and dispersants |
| 05/03/2007 | US20070100024 Modified colorants and inkjet ink compositions comprising modified colorants |
| 03/20/2007 | US7193067 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds |
| 03/08/2007 | US20070051275 Method of colouring carrier materials |
| 02/01/2007 | US20070022907 Colored Masterbatch Precursor |
| 01/25/2007 | US20070017416 Organic pigments for colour filters |
| 01/18/2007 | WO2006125951A3 Magenta dyes and their use in ink-jet printing |
| 01/03/2007 | CN1887969A Direct date red NGB dye and its prepn |
| 12/12/2006 | US7148335 Mono- and bis-hydrazone pigments |
| 12/12/2006 | US7147703 Pigment finishing by microwave heating |
| 11/30/2006 | WO2006125951A2 Magenta dyes and their use in ink-jet printing |
| 11/23/2006 | US20060260510 Organic pigment fine-particle, and method of producing the same |
| 11/23/2006 | US20060260505 Aqueous dispersions of a pigment having improved freeze-thaw stability |
| 11/07/2006 | US7132518 Mono- and bis-hydrazone pigments |
| 11/02/2006 | US20060243165 Colorant suspensions |
| 11/02/2006 | EP1399117B1 Dyeing composition for keratinous fibres comprising a particular dicationic diazo dye |
| 10/17/2006 | US7122081 Reducing particle size of organic pigments by milling the crude pigment in the presence of a water soluble styrene copolymer dispersant, optionally a defoamer, optionally an additive, and greater than about 10 wt. % water, and isolating the organic pigment |
| 10/05/2006 | US20060219134 Monoazoquinolone pigments, process for their preparation and their use |
| 10/04/2006 | CN1277528C Dyeing composition for kerationous fibres comprising particular dicationic diazo dye |
| 09/12/2006 | US7105646 Mono- and bis-hydrazone pigments |
| 09/08/2006 | WO2006093940A1 Preparation of yellow pigments |
| 09/07/2006 | US20060196388 Continuous process for preparing pigment flush |
| 09/05/2006 | US7101428 stability of gamma-quinacridone pigment during milling by addition of 2,9-dichloroquinacridone |
| 08/31/2006 | US20060191441 Manufacture of a transparent Pigment Yellow 155 or transparent Pigment Yellow 180 by grinding particles of the pigment in the presence of a grinding agent such as sodium chloride until they achieve a surface area of at least 40 m2/g; optionally with a wetting agent ethylene glycol or diethylene glycol |
| 08/24/2006 | US20060185558 Color filter, image display device and information communication equipment; pigment dispersing ability, transparency, fluidity and storage stability |
| 08/16/2006 | EP1689746A2 A process for aqueous milling of quinacridone pigments |
| 08/15/2006 | US7091327 Treating aromatic amino-compounds with hydrogen peroxide and acetic acid, followed by sulphuric acid, to yield aromatic azo-compound or salt |
| 04/27/2006 | US20060086290 Production process and system for insoluble azo pigments |
| 03/23/2006 | US20060060111 Aftertreating organic pigments by heating unground or ground organic crude pigment in water and/or organic solvent by means of microwave irradiation, under pressure if desired, so that the mass temperature of the mixture reaches 30 to 250 degrees C. |
| 01/19/2006 | US20060011104 Aqueous, colloidal gas black suspension |
| 01/12/2006 | US20060009626 Amidation or condensation of 2-aryl-3-alkoxycarbonyl-4-phenylhydrazone-5-pyrrolinones with a diamine or diol; paints |
| 01/05/2006 | US20060000391 Azobalbituric acid metal complex pigment and process for the production thereof |
| 12/29/2005 | US20050288496 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds |
| 12/29/2005 | US20050288495 Mono- and bis-hydrazone pigments |
| 12/29/2005 | US20050288494 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds |
| 11/15/2005 | US6965019 Mono-and bis-hydrazone pigments |
| 10/27/2005 | DE29924825U1 Zusammensetzung zum Färben für Keratinfasern mit einem kationischen Direktfarbstoff und einem Silicon Dye composition for keratin fibers, comprising a cationic direct dye and a silicone |
| 10/20/2005 | DE29924820U1 Zusammensetzung zum Färben für Keratinfasern mit einem kationischen Direktfarbstoff und einem Silicon Dye composition for keratin fibers, comprising a cationic direct dye and a silicone |
| 10/20/2005 | DE29924812U1 Zusammensetzung zum Färben für Keratinfasern mit einem kationischen Direktfarbstoff und einem Silicon Dye composition for keratin fibers, comprising a cationic direct dye and a silicone |
| 10/13/2005 | DE29924813U1 Zusammensetzung zum Färben für Keratinfasern mit einem kationischen Direktfarbstoff und einem Silicon Dye composition for keratin fibers, comprising a cationic direct dye and a silicone |
| 08/25/2005 | US20050187313 Process for aqueous milling of quinacridone pigments |
| 08/25/2005 | US20050183635 stability of gamma-quinacridone pigment during milling by addition of 2,9-dichloroquinacridone |
| 08/04/2005 | WO2005049735A3 A process for aqueous milling of quinacridone pigments |
| 06/02/2005 | WO2005049735A2 A process for aqueous milling of quinacridone pigments |
| 06/01/2005 | EP1049447B1 Dyeing composition for keratinous fibres with a cationic direct colouring agent and a silicone |
| 05/17/2005 | US6893471 For dyeing human hair |
| 04/28/2005 | US20050086748 Quaternized N-heterocyclic direct dye and aminated silicones, the polyoxyalkylenated silicones, the silicone gums and resins; hair dyes; colorfastness, weatherproof, uniformity |