Patents for C09B 33 - Disazo or polyazo dyes of the types a k b, a b k c, or the like, prepared by diazotising and coupling (1,032)
01/2009
01/07/2009CN101337942A Azo compound or salts thereof
01/07/2009CN101337941A Azo compound or salts thereof
01/07/2009CN101337926A Azo compound or salts thereof
01/07/2009CN101337925A Azo compound or salts thereof
12/2008
12/23/2008CA2332039C The use of a vital dye for facilitating surgical procedures for vitreo-retinal surgery
12/10/2008EP2000512A2 Nanosized particles of monoazo laked pigment
12/09/2008US7462228 Water-base black ink composition and colored product
10/2008
10/29/2008CN101297002A Water soluble azo compound, ink composition, and colored material
10/23/2008DE102008019145A1 Schwarze Farbstoffzusammensetzung und schwarze Tintenzusammensetzung Black dye composition and black ink composition
10/15/2008EP1979425A1 Ink, inkjet ink, inkjet recording ink set, inkjet recording method and method for improving weather resistance of color image material
10/08/2008CN100424137C Conditioning of organic pigment
10/01/2008EP1973979A1 Ink, inkjet ink, inkjet recording method and method for improving weather resistance of color image material
09/2008
09/23/2008US7427319 Azo compound, ink composition, and colored object
09/17/2008CN100419029C Azo compound and salt thereof
08/2008
08/21/2008US20080199615 Good hue; image colorfastness; disazo dye
08/21/2008US20080196180 azo dyes for dyeing paper; colour strength, luminance and substantivity; nontoxic
08/20/2008CN101248141A Azo compound, ink composition, recording method, and colored object
08/07/2008DE102007005795A1 Mischungen von faserreaktiven Azofarbstoffen Mixtures of fiber-reactive azo dyes
07/2008
07/29/2008CA2205811C Multifunctional cyanate ester and epoxy blends
07/16/2008CN101223243A Water-soluble azo compound, ink composition and colored body
07/09/2008EP1942154A1 Water soluble azo compound, ink composition, and colored material
06/2008
06/03/2008CA2442714C Aqueous ink composition, water-soluble dye composition and ink-jet recording method
05/2008
05/28/2008EP1924652A2 Trisazo dyestuffs with 6-pyrazolyl-1-naphtholsulphomic acid as middle component
05/14/2008EP1921116A1 Water-soluble azo compounds, ink compositions and colored products
05/14/2008EP1920008A2 Disazodyes for ink-jet printing
05/08/2008WO2008053776A1 Water-soluble azo compounds or salts thereof, ink compositions and colored products
05/08/2008CA2666751A1 Water-soluble azo compound or salt thereof, ink composition and colored product
04/2008
04/23/2008EP1602695B1 Water-base black ink composition and colored material
03/2008
03/27/2008US20080076666 Formulation
03/26/2008EP1718706A4 Dye, ink, ink jet recording method, ink sheet, color toner and color filter
03/25/2008US7347894 Pigment dispersants and their use
03/20/2008US20080071051 Phase change inks; piezoelectric printing
03/12/2008EP1773954B1 Ink set and ink jet recording method
03/12/2008CN100374516C Printing process using specified azo compounds
02/2008
02/20/2008EP1889882A1 Azo compound, ink composition, recording method and colored matter
02/20/2008EP1889881A2 A method for producing an azo compound
02/06/2008CN100366685C Water-base black ink composition and colored material
02/05/2008US7326288 Bis(arylazo)azodinaphthalenes in which the naphthalene rings are substituted with amine, hydroxy and sulfonate groups and at least one of the aryls is nitro-substituted; ozone resistance, light resistance, moisture resistance, and color rendering, satisfactory storage stability; ink-jet recording
01/2008
01/31/2008WO2008013221A1 Yellow ink composition, ink set, ink cartridge, inkjet recording method and recorded matter
01/30/2008CN101115803A Dye, ink, ink for inkjet, inkjet recording method, ink sheet, color toner, and color filter
01/29/2008CA2271772C Mixture of water soluble fiber-reactive azo dyes, preparation thereof and use thereof
01/16/2008CN101107325A 6-azo-5,5'-dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine derivatives
01/10/2008WO2007132152A3 Compound, ink, process and use
01/02/2008EP1871840A2 Disazo dyes for ink-jet printing
12/2007
12/06/2007WO2007139096A1 Azo dye for anisotropic dye film
12/06/2007WO2007138925A1 Azo compound, ink composition, recording method, and colored matter
12/05/2007EP1368431B1 Pyridone dyes, a process for their preparation and their use in the production of coloured plastics or polymeric colour particles
12/04/2007US7304147 Dis-, tris- and tetraazo dyes having a 2-phenylbenzotriazole group and a substituted naphthyl group; durable polarizing plate having little color leakage in visible light range.
11/2007
11/22/2007WO2007132813A1 Black ink composition, ink set, ink cartridge, ink jet recording method and recorded matter
11/22/2007WO2007132152A2 Compound, ink, process and use
11/01/2007US20070251030 Concentrated Dye Solution
10/2007
10/24/2007EP1847570A1 Colorant, ink, ink-jet ink, method of ink-jet recording, color toner, and color filter
10/17/2007CN101056950A Azo compound, ink composition and coloring material
10/16/2007US7281788 Ink for inkjet recording, ink set for inkjet recording and inkjet recording method
10/11/2007WO2007091006A3 Ink-jet printing using disazo dyes
10/04/2007US20070227388 Tetrakisazo Compound, Coloring Matter for Recording, Ink Composition and Colored Article
10/03/2007EP1838788A2 6-azo-5,5'-dihydroxy-7,7'-disulfo-2,2'-dinaphthylamine derivatives
09/2007
09/14/2007CA2582104A1 Pigment preparations based on py 155
09/12/2007EP1831314A2 Dyes that are soluble in organic solvents
09/05/2007CN100335564C Process for making green pigment compositions useful for colour filters and LCD's
08/2007
08/28/2007US7262284 By azo coupling, wherein the azo coupling product is subjected to a finish in an organic solvent or in an agueous organic solvent with a neutral or alkaline pH
08/15/2007EP1773954A4 Ink set and ink jet recording method
08/01/2007CN1329452C Polymeric bis-acetoacetanilide azo colorants
08/01/2007CN101010394A Inkjet ink, method for producing inkjet ink, inkjet recording method, and ink cartridge
07/2007
07/31/2007US7250079 Disazo dyes and an azo dyes mixture; forming an image having good color hue and high colorfastness to light and ozone gas; black color; inks comprising a metal phthalocyanine dye
07/26/2007WO2007083845A1 Ink, inkjet ink, inkjet recording ink set, inkjet recording method and method for improving weather resistance of color image material
07/26/2007WO2007083840A1 Ink, inkjet ink, inkjet recording method and method for improving weather resistance of color image material
07/25/2007EP1810999A1 Azo compound, ink composition and coloring material
06/2007
06/13/2007CN1981004A Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder
06/07/2007WO2006103414A3 Disazodyes for ink-jet printing
06/06/2007CN1977007A Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder
05/2007
05/30/2007CN1973001A Azo compound, ink composition, and colored object
05/22/2007US7220843 For use in recording fluids, especially for the inkjet printing
05/18/2007WO2007017632A3 Trisazo dyestuffs with 6-pyrazolyl-1-naphtholsulphomic acid as middle component
05/17/2007US20070107628 Trisazo compound, ink composition, and colored object
05/09/2007EP1783180A1 Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder
05/09/2007CN1961045A 浓缩染料溶液 Concentrated dye solution
05/03/2007WO2007049366A1 Water soluble azo compound, ink composition, and colored material
05/03/2007CA2625660A1 Water soluble azo compound, ink composition, and colored material
04/2007
04/18/2007EP1773954A1 Ink set and ink jet recording method
04/12/2007US20070079740 Azo compound and salt thereof
04/05/2007WO2006103415A3 Disazo dyes for ink-jet printing
03/2007
03/28/2007EP1767594A1 Inkjet black ink, ink set, inkjet recording method, ink cartridge, recording unit, and inkjet recorder
03/28/2007EP1767585A1 Azo compound, ink composition, and colored object
03/22/2007WO2007032377A1 Azo compound, ink composition, recording method, and colored object
03/22/2007US20070066724 Bisazoquinolone pigments, processes for their preparation and their use
03/21/2007CN1305971C Method for producing disazo pigments
03/20/2007US7193067 Derived from 2-aryl-3-alkoxycarbonyl-5-pyrrolinones and 2-aryl-5-pyrrolinones by reaction with diamines or diazo compounds
03/13/2007US7189268 Using an 2-azoimidazole compound; dyeing human hair
02/2007
02/28/2007EP1756232A1 Concentrated dye solution
02/22/2007WO2007020719A1 Water-soluble azo compounds, ink compositions and colored products
02/22/2007CA2619188A1 Water-soluble azo compounds, ink compositions and colored products
02/15/2007WO2007017632A2 Trisazo dyestuffs with 6-pyrazolyl-1-naphtholsulphomic acid as middle component
02/15/2007US20070033749 Anionic azo dyes and the metal complexes thereof ofr colouring leather
02/06/2007US7173114 Lightfast colorant and lightfast ink composition including the same
12/2006
12/27/2006CN1886467A Trisazo compound, ink composition, and colored object
12/21/2006US20060286477 Methanesulfoamide azo dyes
12/19/2006US7150783 to improve the light-fastness properties of prints is to prevent images fading or vanishing, or becoming discoloured over time
12/14/2006WO2006132327A1 Azo compound, ink composition, recording method and colored matter
12/12/2006US7148335 Mono- and bis-hydrazone pigments
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