Patents Assigned to Dystar Textilfarben GmbH & Co.
  • Patent number: 7833291
    Abstract: The present invention provides dyes of the general formula (I) where D is the residue of a diazo component; R1 to R7 and L are each as defined in claim 1, processes for their preparation and their use.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: November 16, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Hartwig Jordan, Stefan Neubauer, Anthony Lawrence, Nigel Hall
  • Patent number: 7824451
    Abstract: The present invention provides a blue dye mixture which contains the pigments represented by formulae [1], [2], [3], and [4] The present invention also relates to dye mixtures in which there are compounded therewith a yellow dye mixture and/or a red dye mixture. The invention further relates to a method of dyeing polyester-based fibers and dyed polyester-based fibers and dyed polyester-based fiber materials.
    Type: Grant
    Filed: June 29, 2004
    Date of Patent: November 2, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Toshio Hihara, Wataru Seto, Koichi Fujisaki, Daisuke Hosoda, Hiroshi Inoue
  • Patent number: 7824450
    Abstract: The present invention provides dyes of the general formula (I) where D, R1 to R7 and n are each as defined in claim 1, processes for their preparation and their use.
    Type: Grant
    Filed: October 16, 2007
    Date of Patent: November 2, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Hartwig Jordan, Stefan Neubauer
  • Patent number: 7776106
    Abstract: The present invention refers to dyestuffs of the general Formula (I) wherein R, X, Y and Z are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for coloring hair.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: August 17, 2010
    Assignees: Dystar Textilfarben GmbH & Co., Deutschland KG, Kao Corporation
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring
  • Patent number: 7708786
    Abstract: Reactive dye mixtures comprising one or more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one or more dyes of the general formula (III) where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2—Z or —Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 4, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Eichhorn, Werner Russ, Stefan Meier, Uwe Mrotzeck
  • Patent number: 7699898
    Abstract: Dye mixtures comprising one or more, such as two or three, preferably 1 or 2, dyes of the formula (1) and at least 2 dyes of the formula (2) in which Me, M, n, and V1 to V11 are as defined in claim 1, their preparation, and their use for dyeing and printing hydroxyl- and carboxamido-containing material.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: April 20, 2010
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Thomas Ruchser, Oliver Steinau, Andreas Giehl
  • Publication number: 20100092670
    Abstract: The present invention provides dyes of the general formula (I) where D, R1 to R7 and n are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: October 16, 2007
    Publication date: April 15, 2010
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Hartwig Jordan, Stefan Neubauer
  • Publication number: 20100064452
    Abstract: The present invention concerns dyes of the general formula I where X and Y represent hydrogen, bromine or chlorine, but not simultaneously hydrogen; R represents F, Cl, Br, COOR1 or CF3; R? represents H or F; R1 represents C1-C6-alkyl; and one of W1 and W2 represents hydroxyl and the other nitro and Y is always ortho to the hydroxyl group; but not compounds in which R represents Cl attached to the phenyl nucleus in a is position ortho to the NH group nor compounds in which W1 represents nitro, W2 represents hydroxyl, Y represents hydrogen, X represents chlorine and R represents bromine attached to the phenyl nucleus in a position meta to the NH group, mixtures with further dyes, and also their preparation and use.
    Type: Application
    Filed: August 24, 2007
    Publication date: March 18, 2010
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Hartwig Jordan
  • Publication number: 20100009081
    Abstract: A dyestuff of the formula (I) wherein D is a diazo component; R1 is hydrogen, (C1-C4)-alkyl, hydroxy, —NHCOR6 or —NH4SO2R6; R2 is hydrogen, halogen or (C1-C4)-alkoxy; R3 is hydrogen or methyl; R4 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C2-C6)-alkyl, which is interrupted by 1, 2 or 3 heteroatoms wherein said heteroatoms are —O—, —S— or —NR7, substituted (C2-C6)-alkyl, which is interrupted by 1, 2 or 3 heteroatoms wherein said heteroatoms are —O—, —S— or —NR7, (C2-C6)-alkenyl, substituted (C2-C6)-alkenyl, benzyl or phenethyl; R5 is hydrogen or methyl; R6 is (C1-C4)-alkyl, phenyl or substituted phenyl; R7 is (C1-C4)-alkyl, phenyl or substituted phenyl; m is 0, 1 or 2; and n is 0 or 1. The invention further relates to the use of the dyestuff and the process of making the dyestuff.
    Type: Application
    Filed: November 11, 2007
    Publication date: January 14, 2010
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland
    Inventors: Hartwig Jordan, Wolfgang Koster, Anthony Lawrence
  • Patent number: 7637964
    Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: December 29, 2009
    Assignee: DyStar Textilfarben GmbH & Co.
    Inventors: Stefan Meier, Werner Russ, Joachim Eichhorn
  • Publication number: 20090311433
    Abstract: Ceramic compositions for rendering fabrics resistant to molten metal are provided.
    Type: Application
    Filed: March 20, 2007
    Publication date: December 17, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Siegfried Wittmann
  • Patent number: 7632316
    Abstract: The present invention relates to dyes of the general formula (1) where M and X are each as defined in claim 1, dye mixtures comprising one or more of the dyes of the general formula (1) and also one or more further fiber-reactive dyes, processes for their preparation, their use and printing inks comprising same.
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: December 15, 2009
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Meier, Uwe Reiher, Werner Hubert Russ, Günther Schwaiger
  • Publication number: 20090249564
    Abstract: The present invention refers to hair dye compositions comprising one or more dyestuffs of the general formula (I) wherein R, X, Y and Z are defined as given in claim 1 and a process for colouring hair.
    Type: Application
    Filed: February 2, 2007
    Publication date: October 8, 2009
    Applicants: DyStar Textilfarben GmbH & Co. Deutschland KG, KAO CORPORATION
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring
  • Publication number: 20090217466
    Abstract: The present invention refers to dyestuffs of the general Formula (I) wherein R, X, Y and Z are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for colouring hair.
    Type: Application
    Filed: February 2, 2007
    Publication date: September 3, 2009
    Applicants: DyStar Textilfarben GmbH & Co. Deutschland KG, KAO CORPORATION
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring
  • Publication number: 20090209742
    Abstract: The present invention relates to dyes of the general formula (I) where X1 and X2 are both hydrogen or both cyano; R1 is ethyl, straight-chain or branched (C3-C10)-alkyl or —(CH2)nCOO6; R2 is hydrogen, methyl, cyanomethyl, halomethyl, ethyl, cyanoethyl, haloethyl, halogen, —NH—CO—R7 or —NH—SO2—R7; R3 is (C1-C8)-alkyl or hydroxyl-, (C1-C4)-alkoxy-, cyano-, halogen-, R7OCO—, R7OOC—, vinyl- or phenyl-substituted (C1-C8)-alkyl; R4 is hydrogen, (C1-C8)-alkyl or hydroxyl-, (C1-C4)-alkoxy-, cyano-, halogen-, R7OCO—, R7OOC—, vinyl or phenyl-substituted (C1-C8)-alkyl; R5 is hydrogen, halogen, (C1-C4)-alkyl, (C1-C8)-alkoxy or halogen-, cyano- or phenyl-substituted (C1-C8)-alkoxy; R6 is (C1-C4)-alkyl; R7 is (C1-C8)-alkyl or halogen- or cyano-substituted (C1-C8)-alkyl; and n is 1, 2, 3, 4 or 5. The invention also relates to the process of the preparation of the dyes of formula (I) and their use.
    Type: Application
    Filed: June 6, 2007
    Publication date: August 20, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Andreas Endres
  • Publication number: 20090064426
    Abstract: The present invention relates to a dyestuff of the formula (I) wherein each of G1 and G2, independently is hydrogen, (C1-C4)-alkyl, trifluoromethyl, halogen, nitro, cyano or —SO2-T, wherein T is halogen, (C1-C4)-alkyl, (C1-C4)-alkoxy, aryl or aryloxy; K is a coupling component; and n is 1 or 2. The invention also relates to a process for its preparation and their use and for ink jet printing containing the ink.
    Type: Application
    Filed: March 2, 2007
    Publication date: March 12, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Andreas Endres, Rainer Hamprecht, Hartwig Jordan, Anthony Lawrence, Nigel Hall
  • Publication number: 20090044350
    Abstract: ?-Form of the dye of the formula (I) production of the ?-form, which is stable to dyeing, and its use for dyeing and printing textile materials composed of polyester and/or cellulose esters or blend fabrics of these materials with wool or cellulose.
    Type: Application
    Filed: August 2, 2005
    Publication date: February 19, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Hartwig Jordan
  • Publication number: 20090041938
    Abstract: The present invention concerns a dye mixture comprising at least one dye of the general formula (I) and at least one further dye either of the general formula (II) or of the general formula (III) or of the general formula (IV) where the variables are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: January 19, 2007
    Publication date: February 12, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventor: Andreas Giehl
  • Publication number: 20090025152
    Abstract: Reactive dye mixtures comprising one or more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one or more dyes of the general formula (III) where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 29, 2009
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Joachim Eichhorn, Werner Russ, Stefan Meier, Uwe Mrotzeck
  • Publication number: 20080314764
    Abstract: The present invention relates to a process for electrochemical decolorization of indigo-containing aqueous dispersions by direct anodic oxidation on diamond-coated silicon anodes.
    Type: Application
    Filed: February 7, 2006
    Publication date: December 25, 2008
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Wolfgang Schrott, Franz Suetsch, Thomas Bechtold, Aurora Turcanu