Patents Assigned to DyStar Colours Deutschland GmbH
  • Patent number: 9023117
    Abstract: The present invention provides dye mixtures containing at least one dye of formula (I) and at least one dye of formula (II) where T1, T2, R1 to R9 and n are each as defined in claim 1, processes for their preparation and their use.
    Type: Grant
    Filed: September 19, 2012
    Date of Patent: May 5, 2015
    Assignee: Dystar Colours Deutschland GmbH
    Inventors: Adrian Murgatroyd, Clemens Grund, Timo Liebig, Stefan Neubauer
  • Patent number: 8696766
    Abstract: A dye of the general formula (I) where D is the residue of a diazo component; X is (C1-C6)-alkylene or oxygen-interrupted (C2-C6)-alkylene; R1 is methyl, ethyl or phenyl; R2 is hydrogen, cyano or carboxamido; R3 is phenyl or substituted phenyl; R4 is hydrogen or methyl or R3 and R4 combine with the atoms to which they are attached to form a five- or six-membered ring. The invention further relates to the process of the preparation of the dye of formula and its use.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: April 15, 2014
    Assignee: DyStar Colours Deutschland GmbH
    Inventor: Stefan Neubauer
  • Publication number: 20130019415
    Abstract: The present invention relates to a compound of formula (I), where A and B are each as defined in claim 1, to its preparation and to its use.
    Type: Application
    Filed: September 17, 2012
    Publication date: January 24, 2013
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Roxana Barbieru, Gunter Görlitz, Carsten Harfmann
  • Publication number: 20130019416
    Abstract: The present invention provides dye mixtures containing at least one dye of formula (I) and at least one dye of formula (II) where T1, T2, R1 to R9 and n are each as defined in claim 1, processes for their preparation and their use.
    Type: Application
    Filed: September 19, 2012
    Publication date: January 24, 2013
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Adrian Murgatroyd, Clemens Grund, Timo Liebig, Stefan Neubauer
  • Patent number: 8349029
    Abstract: The present invention relates to azo dyes of the formula (1) in which R, M, and Y are defined as stated in claim 1, to dye mixtures comprising them, to processes for preparing them, and to their use.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: January 8, 2013
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Jörg Wörner, Andreas Schrell
  • Patent number: 8323358
    Abstract: The present invention refers to a red-dyeing acid dye mixture comprising a dye of the formula (I) and at least one dye of the formula (II) a process for its manufacturing and a process for dyeing and printing of natural or synthetic polyamide fiber material in which it used.
    Type: Grant
    Filed: February 6, 2006
    Date of Patent: December 4, 2012
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Thomas Ruchser, Andreas Giehl
  • Publication number: 20120272462
    Abstract: The present invention relates to a compound of formula (I), where X, Y, T and Z are each as defined in claim 1, to its preparation and to its use.
    Type: Application
    Filed: January 17, 2012
    Publication date: November 1, 2012
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Roxana Barbieru, Carsten Harfmann, Werner Russ
  • Publication number: 20120240346
    Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula and at least one dye of the formula (II) in which R1, R2, R3, and X are defined as stated in claim 1, to processes for their preparation, and to their use.
    Type: Application
    Filed: January 30, 2012
    Publication date: September 27, 2012
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Adrian Murgatroyd, Clemens Grund, Klaus-Wilfried Wanken, Hartwig Jordan
  • Publication number: 20120216356
    Abstract: The present invention relates to azo dyes of the formula (1) in which R, M, and Y are defined as stated in claim 1, to dye mixtures comprising them, to processes for preparing them, and to their use.
    Type: Application
    Filed: January 30, 2012
    Publication date: August 30, 2012
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Jörg Wörner, Andreas Schrell
  • Patent number: 8226758
    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: Grant
    Filed: December 13, 2007
    Date of Patent: July 24, 2012
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Clemens Grund, Andreas Endres, Hartwig Jordan, Adrian Murgatroyd, Stefan Neubauer, Nigel Hall, Anthony Lawrence, Shinsuke Ono, Klaus-Wilfried Wanken
  • Publication number: 20120174324
    Abstract: The present invention relates to a dye of formula (I) where R1, R2, X, Y and t are each as defined in claim 1, to its preparation and to its use.
    Type: Application
    Filed: April 15, 2010
    Publication date: July 12, 2012
    Applicant: DYSTAR COLOURS DEUTSCHLAND GMBH
    Inventors: Roxana Barbieru, Werner Russ, Jürgen Kühlwein, Carsten Harfmann
  • Patent number: 8167958
    Abstract: The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-steps and the dye being fixed on the textile material after each and every sub-step.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: May 1, 2012
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Christian Meyer, Wolfgang Schrott, Franz Sütsch
  • Patent number: 8142520
    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: Grant
    Filed: August 24, 2007
    Date of Patent: March 27, 2012
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Hartwig Jordan, Andreas Endres
  • Patent number: 8080101
    Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula (I), at least one dye of the formula (II) and optionally at least one dye of the formula (III) and/or optionally at least one dye of the formula (IV) in which D1 to D7, R201 to R203, R0, R* and R**, T, M, v and f are as defined in claim 1, to dyes of the formula (II), to processes for their preparation, and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: December 20, 2011
    Assignee: DyStar Colours Deutschland GmbH
    Inventors: Joachim Eichhorn, Stefan Meier, Werner Hubert Russ
  • Patent number: 8070832
    Abstract: The invention provides for a dye of the formula (I) where D is the residue of a diazo component; R1 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl or —NHSO2 (C1-C6)-alkyl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy or halogen; R3 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl or R2 and R3 combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked * is attached to the phenyl nucleus; R4 is hydrogen or (C1-C6)-alkyl; R5 is hydrogen or (C1-C6)-alkyl; R6 is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0, 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: December 6, 2011
    Assignee: DyStar Colours Deutschland GmbH
    Inventor: Stefan Neubauer
  • Publication number: 20110289697
    Abstract: The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-steps and the dye being fixed on the textile material after each and every sub-step.
    Type: Application
    Filed: August 14, 2009
    Publication date: December 1, 2011
    Applicant: Dystar Colours Deutschland GmbH
    Inventors: Christian Meyer, Wolfgang Schrott, Franz Sütsch
  • Publication number: 20110283465
    Abstract: The present invention relates to dyes of the formula (I), in which R1 to R4, D1, f, and M are defined as indicated in claim 1, to processes for preparing them, and to their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
    Type: Application
    Filed: January 18, 2010
    Publication date: November 24, 2011
    Applicant: DYSTAR COLOURS DEUTSCHLAND GMBH
    Inventors: Joachim Eichhorn, Andreas Schrell
  • Publication number: 20110247150
    Abstract: The invention provides for a dye of the formula (I) where D is the residue of a diazo component; R1 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy, hydroxyl, halogen, —NHCHO, —NHCO(C1-C6)-alkyl or —NHSO2(C1-C6)-alkyl; R2 is hydrogen, (C1-C6)-alkyl, (C1-C4)-alkoxy or halogen; R3 is hydrogen, (C1-C6)-alkyl, substituted (C1-C6)-alkyl, (C3-C4)-alkenyl or substituted (C3-C4)-alkenyl or R2 and R3 combine to form the radical —C*H(CH3)CH2C(CH3)2—, where the carbon atom marked * is attached to the phenyl nucleus; R4 is hydrogen or (C1-C6)-alkyl; R5 is hydrogen or (C1-C6)-alkyl; R6 is hydrogen or (C1-C6)-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0 , 1, or 2; and m is 0 or 1. The invention is also related to the process of using the dye and the process of preparing the dye.
    Type: Application
    Filed: August 1, 2008
    Publication date: October 13, 2011
    Applicant: DYSTAR COLOURS DEUTSCHLANDS GMBH
    Inventor: Stefan Neubauer
  • Publication number: 20110218276
    Abstract: The present invention relates to a compound of formula (I) where T, Q1, R1 to R6 and R30 are each as defined in claim 1, to their preparation and to their use.
    Type: Application
    Filed: August 20, 2009
    Publication date: September 8, 2011
    Applicant: DyStar Colours Deutschland GmbH
    Inventors: Gunter Görlitz, Carsten Harfmann, Roxana Barbieru
  • Publication number: 20110173764
    Abstract: The invention relates to an azo dye of formula (1) The invention also relates to a process for the preparation of the dye of formula (1) and the use of the dye of the formula (1).
    Type: Application
    Filed: July 24, 2009
    Publication date: July 21, 2011
    Applicant: DyStar Colours Deutschland GmbH
    Inventor: Stefan Ehrenberg