| Patents for C09B 35 - Disazo or polyazo dyes of the type a  d  b prepared by diazotising and coupling (1,497) | 
|---|
| 06/08/2010 | US7732581 Colorant compounds | 
| 05/26/2010 | CN1478208B Optical device | 
| 05/25/2010 | US7723494 Yellow anionic disazo dyes | 
| 05/25/2010 | CA2433168C Phase change inks containing dimeric azo pyridone colorants | 
| 05/12/2010 | EP2184327A2 Azo pigment, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | 
| 04/27/2010 | US7704310 Trisazo-dyes with a pyrazolyl end group and their use in ink-jet printing | 
| 03/31/2010 | CN101684202A Azo pigment, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | 
| 03/18/2010 | WO2010028799A1 Acid dyes | 
| 03/17/2010 | EP2163587A1 Acid dyes | 
| 03/09/2010 | CA2568931C Phase change inks containing fischer-tropsch waxes | 
| 03/04/2010 | WO2010024317A1 Azo-pigment-containing water-based ink for inkjet recording | 
| 03/04/2010 | CA2737256A1 Azo pigment-containing aqueous ink for inkjet recording | 
| 02/23/2010 | CA2426541C Trichromatic dyeing process | 
| 02/10/2010 | CN101643588A Synthesis process of yellow dye of leather | 
| 02/09/2010 | US7659313 3-(4-hydroxybenzylidene)-2-(2,5-dihydroxyphenyl)-1-(4-hydroxyphenyl)indane-4,6-diol as lipase, alpha -amylase and alpha -glucosidase inhibitor in a mammal; plant medicine; antiobesity agent | 
| 01/28/2010 | WO2010010032A2 Acid dyes | 
| 01/27/2010 | CN101633790A Technique for synthesizing leather faintly acid yellowish-brown dye | 
| 01/12/2010 | CA2568936C Phase change inks | 
| 01/07/2010 | WO2010000780A1 Acid dyes | 
| 01/07/2010 | WO2010000779A1 Use of acid dyes | 
| 01/06/2010 | CN100577635C Azo compound, composition for optical alignment film using same, and method for producing optical alignment film | 
| 12/30/2009 | WO2009129455A8 Diarylide yellow pigments | 
| 12/16/2009 | CN100569862C Azo compound, ink composition, and colored object | 
| 12/01/2009 | CA2432912C Dimeric azo pyridone colorants | 
| 11/17/2009 | US7619074 Reactive dyestuff with N,N-dialkylamino bridge group | 
| 11/11/2009 | CN101574665A Composite catalyst for coupled reaction of diazo salt and amino-naphthol sulfonic acid substance and application of same | 
| 11/04/2009 | EP2113539A1 Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | 
| 10/29/2009 | US20090269553 Acid dyes | 
| 10/22/2009 | WO2009129455A2 Dairylide yellow pigments | 
| 10/21/2009 | CN100552553C Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the same | 
| 10/06/2009 | US7597721 Concentrated aqueous compositions of dyestuffs | 
| 09/02/2009 | CN101519537A Asymmetric azo complex dye and manufacturing method thereof | 
| 08/20/2009 | US20090207286 Colored photosensitive composition, and color filter array and solid image pickup device using the same | 
| 08/12/2009 | CN100526392C Azo dyestuffs | 
| 08/05/2009 | EP2085429A1 Basic bisazo compounds | 
| 08/05/2009 | EP2085428A1 Basic bisazo compounds | 
| 07/29/2009 | CN101495578A Basic bisazo compounds | 
| 07/29/2009 | CN101493652A Colored photosensitive composition, and color filter array and solid image pickup device using the same | 
| 07/23/2009 | WO2009042114A3 Phenazine derivatives and uses thereof | 
| 07/23/2009 | US20090187012 maximum absorption wavelength in a wavelength range having high visual sensitivity; use with LCD displays, large television sets; 1-phenylazo-4-(sulfo-hydroxy-2-aminonaphthylazo)-naphthalene compounds | 
| 07/22/2009 | EP2079806A1 Trisazo-dyes with a pyrazolyl end group and their use in ink-jet printing | 
| 07/15/2009 | EP2016135B1 Acid dyes | 
| 07/15/2009 | EP1753822B1 Bridged monoazo dyes | 
| 07/14/2009 | US7559959 bis-benzothiazole azo benzylaminobenzene sulphonic acid dyes; for dyeing and/or printing organic substrates wool, silk or synthetic polyamide article | 
| 07/09/2009 | US20090174942 Azo compound and dye polarizing film containing the same | 
| 07/08/2009 | CN101479348A Acid dyes | 
| 06/04/2009 | WO2009070176A1 Black ink-jet inks with reduced lightness and haze | 
| 06/03/2009 | CN101448901A Disazo acid dyes | 
| 05/21/2009 | US20090126128 Disazo Acid Dyes | 
| 05/13/2009 | CN100487588C Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the same | 
| 05/12/2009 | US7531667 Two-photon absorption dye-containing material, three-dimensional refractive index modulation material, three-dimensional absorption index modulation material and three-dimensional optical recording material | 
| 05/12/2009 | US7531009 6-azo-5,5′-dihydroxy-7,7′-disulfo-2-2′ dinaphthylamine derivatives | 
| 05/12/2009 | US7530685 Trisazo dyes for inks for ink jet printing | 
| 05/07/2009 | US20090118479 Azo compound, ink composition, recording method and colored article | 
| 04/22/2009 | EP2049599A1 Basic bisazo compounds | 
| 04/22/2009 | CN101415781A Acid dyes | 
| 04/14/2009 | US7517626 Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the same | 
| 04/02/2009 | WO2009042114A2 Phenazine derivatives and uses thereof | 
| 04/01/2009 | EP2042570A1 Photo-curable composition including polymerizable compound, polymerization initiator, and dye | 
| 03/31/2009 | US7510605 Dye ink, ink jet recording method, ink sheet, color toner and color filter | 
| 03/25/2009 | CN100471915C Poly-azo compound, and polarization film having said compound | 
| 03/18/2009 | EP2035506A2 Acid dyes | 
| 03/17/2009 | US7503967 Colorfast black ciolor; recording; photostability; ozone resistance; waterproof; storage stability; disazo dyes | 
| 03/17/2009 | US7503965 Azo compound, ink composition, and colored object | 
| 02/26/2009 | US20090053479 Disazo Dyes for Ink-Jet Printing | 
| 02/25/2009 | EP2027213A2 Disazo acid dyes | 
| 02/25/2009 | CN101372467A Bridging compound having N,N-dialkylamino and dye compound used thereby | 
| 02/11/2009 | EP2022831A1 Black ink composition, ink set, ink cartridge, ink jet recording method and recorded matter | 
| 02/10/2009 | US7488810 Method for producing a liquid formulation of salts of sulfoacidic azo dyes | 
| 02/04/2009 | CN101358038A Red disazo dye monomeric compound and preparation method thereof | 
| 01/21/2009 | EP2016135A2 Acid dyes | 
| 12/23/2008 | CA2332039C The use of a vital dye for facilitating surgical procedures for vitreo-retinal surgery | 
| 11/27/2008 | US20080292792 Azo Compound, Ink Composition, and Colored Object | 
| 10/30/2008 | US20080264297 Concentrated Dye Solution | 
| 10/29/2008 | EP1985667A2 Pyrazolone-azo colourant compounds | 
| 10/29/2008 | CN100429203C Dyeing compsn. for kerationous fibres comprising particular dicationic diazo dye | 
| 10/22/2008 | EP1983033A1 Phase change inks containing colourant compounds | 
| 10/22/2008 | EP1983032A1 Phase change inks containing colorant compounds | 
| 10/15/2008 | EP1980593A2 Colourant compounds for phase change inks | 
| 10/15/2008 | EP1385912B1 Pyridone dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles | 
| 10/08/2008 | CN100424137C Conditioning of organic pigment | 
| 10/01/2008 | EP1394575A4 Optical device | 
| 09/16/2008 | CA2331605C The use of a vital dye for facilitating surgical procedures for cataract extraction | 
| 08/21/2008 | US20080199615 Good hue; image colorfastness; disazo dye | 
| 07/23/2008 | EP1947515A2 Electrophotographic photosensitive member, and electrophotgraphic apparatus and process cartridge which make use of the same | 
| 06/03/2008 | US7381348 Optical device | 
| 05/28/2008 | CN100390236C Method for preparing tetrazo pigment | 
| 05/15/2008 | US20080114158 Yellow anionic disazo dyes | 
| 05/14/2008 | EP1920008A2 Disazodyes for ink-jet printing | 
| 05/14/2008 | CN100387657C Use of disazo compound | 
| 05/13/2008 | US7371831 Azo dyestuffs | 
| 04/24/2008 | WO2008047071A1 Trisazo-dyes with a pyrazolyl end group and their use in ink-jet printing | 
| 03/26/2008 | EP1718706A4 Dye, ink, ink jet recording method, ink sheet, color toner and color filter | 
| 03/26/2008 | CN101151338A Colorant dispersion, coloring resin composition, color filter, and liquid-crystal display device | 
| 03/19/2008 | CN101143970A Dye compound and its preparation method and application | 
| 03/12/2008 | CN100374516C Printing process using specified azo compounds | 
| 03/11/2008 | US7341607 Yellow anionic disazo dyes | 
| 03/06/2008 | WO2007115960A3 Acid dyes | 
| 02/28/2008 | WO2008000679A3 Acid dyes | 
| 02/07/2008 | WO2007131957A3 Disazo acid dyes |