Patents Assigned to DyStar Textifarben GmbH & Co. Deutschland KG
  • DISPERSE DYES MIXTURES
    Publication number: 20100071589
    Abstract: The present invention relates to a disperse dye mixture containing (a) two or more disperse dyestuffs of the formula (I) or (b) one or more disperse dyestuffs of the formula (I) and one or more other disperse dyestuffs. The invention also relates to their process of preparation and their use.
    Type: Application
    Filed: December 13, 2007
    Publication date: March 25, 2010
    Applicant: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Clemens Grund, Andreas Endres, Hartwig Jordan, Adrian Murgatroyd, Stefan Neubauer, Nigel Hall, Anthony Lawrence, Shinsuke Ono, Klaus-Wilfried Wanken
  • MIXTURES OF FIBRE-REACTIVE AZO DYES
    Publication number: 20090320217
    Abstract: The present invention provides dye mixtures containing one or more dyes of the general formula (I) and one or more dyes of the general formulae (II) where D1, D2, D3 RA, RB, RC, Z1 and M are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: January 28, 2008
    Publication date: December 31, 2009
    Applicant: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Stefan Meier, Christian Schumacher
  • Anthraquinone Dyes For Coloring Polyurethane
    Publication number: 20080295261
    Abstract: The invention relates to a dye of the formula I wherein the phenylene ring A is unsubstituted or singly or multiply substituted by C1-C4-alkyl, halogen, aryl, CF3, CN, C1-C4-alkoxy, COR1, COOR1, CONR2R3, SO2R1 or SO2NR2R3, wherein R1 is C1-C4-alkyl, which is optionally substituted, or is aryl, R2 and R3 are independently hydrogen, C1-C4-alkyl, which is optionally substituted, or aryl; R4 is C1-C4-alkyl; X is hydrogen, Cl or Br, Y is OH or NHR4; and Z1 and Z2 are independently hydrogen or halogen. The invention also relates to a method for the production of the dye of the formula (I). The invention further relates to a colored polyurethane and method of producing the colored polyurethane.
    Type: Application
    Filed: December 1, 2006
    Publication date: December 4, 2008
    Applicant: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Hartwig Jordan, Werner Russ
  • Disperse Dyes for Poly(Lactic Acid) Based Fibers
    Publication number: 20070271710
    Abstract: The present invention relates to the use of a yellow and/or a red and/or a blue component of disperse dyes for dyeing poly(lactic acid) fibers or poly(lactic acid) based fibers.
    Type: Application
    Filed: June 17, 2005
    Publication date: November 29, 2007
    Applicant: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Daisuke Hosoda, Koichi Fujisaki, Toshio Hihara
  • Dye mixture of water-soluble fiber-reactive azo dyes, method for the production and use thereof
    Patent number: 6916350
    Abstract: Dye mixtures including one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) are prepared and used for dyeing or printing hydroxyl- and/or carboxamido-containing material, preferably fiber material.
    Type: Grant
    Filed: March 31, 2001
    Date of Patent: July 12, 2005
    Assignee: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventors: Joachim Steckelberg, Werner Russ
  • &bgr; modified monoazo dye resistant to dyeing, its preparation and use
    Patent number: 6673906
    Abstract: The present invention relates to the &bgr; modification of the dye of the formula I
    Type: Grant
    Filed: January 11, 1996
    Date of Patent: January 6, 2004
    Assignee: DyStar Textifarben GmbH & Co. Deutschland KG
    Inventor: Ulrich Bühler