Patents Assigned to DyStar Colours Distribution GmbH
  • High wet fast disperse dye mixtures of N-[4-(5-fluoro-2,4-dinitro-phenylazo)-phenyl]-amine derivatives and N-[4-(4-nitro-phenylazo)-phenyl]-amine derivatives
    Patent number: 11560480
    Abstract: The present invention is directed to dye mixtures comprising dyes of formula (1) and dyes of formula (2), the process of the production and the use of the dye mixtures.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: January 24, 2023
    Assignee: DYSTAR COLOURS DISTRIBUTION GMBH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund, Fanny Vermandel, Chongjun Jiao
  • High wet fast disperse dye mixtures of N-[4-(5-thiocyanato-2,4-dinitro-phenylazo)-phenyl]-amine derivatives and N-[4-(4-nitro-phenylazo)-phenyl]-amine derivatives
    Patent number: 11479672
    Abstract: The present invention is directed to dye mixtures comprising dyes of formula (1) and dyes of formula (2), the process of the production and the use of the dye mixtures.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: October 25, 2022
    Assignee: DYSTAR COLOURS DISTRIBUTION GMBH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund, Fanny Vermandel, Chongjun Jiao
  • Basic dye mixtures for aramid fibres
    Patent number: 11377787
    Abstract: The present invention is directed to dye mixtures comprising structures of formula and their production and their use for dyeing textiles and in particular for dyeing aramid fibres.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: July 5, 2022
    Assignee: DYSTAR COLOURS DISTRIBUTION GMBH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund, Brian Connolly, Thomas Stepanski
  • High wet fast disperse dye mixtures
    Patent number: 10800923
    Abstract: The present invention is directed to dye mixtures comprising dye(s) of formula (1) and specific other dyes, the process for the production of these mixtures as well as their use for dyeing textiles.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 13, 2020
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Clemens Grund, Manfred Hoppe, Adrian Murgatroyd, Werner Tiβen, Fanny Vermandel
  • High wet fast brilliant blue disperse dye mixtures
    Patent number: 10611916
    Abstract: The present invention is directed to high wet fast brilliant blue disperse dye mixtures comprising dye(s) of formula (I) and of formula (II) their production and their use for textile dyeing and printing.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: April 7, 2020
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Manfred Hoppe, Clemens Grund, Fanny Vermandel, Werner Tißen
  • Mixtures of fibre-reactive dyes
    Patent number: 10450463
    Abstract: Mixtures of fiber reactive dyes and their use of for the dyeing of hydroxyl- and carboxamide-containing material in blue and navy shades are described.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: October 22, 2019
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Adrian Murgatroyd, Ulrich Hanxleden, Manfred Hoppe, Clemens Grund, Michael Sting-Rosen
  • High wet fast disperse dyes and mixtures thereof
    Patent number: 10301474
    Abstract: Dyes of formula (1) their production and their use are described.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: May 28, 2019
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Adrian Murgatroyd, Manfred Hoppe, Clemens Grund
  • Mixtures of fiber-reactive azo dyes, their preparation and their use
    Patent number: 10190255
    Abstract: The present invention relates to dye mixtures comprising one or more dye(s) of: formula (I) and one or more dye(s) of: formula (II) and/or formula (III) and optionally one or more dye(s) of: formula (IV) to processes for their preparation and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: January 29, 2019
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Clemens Grund, Adrian Murgatroyd, Ulrich Hanxleden, Manfred Hoppe, Ulrich Weingarten, Ronald Pedemonte, Antonio Lopez-Torrentera
  • Mixtures of fiber-reactive azo dyes, their preparation and their use
    Patent number: 10138596
    Abstract: The present invention relates to dye mixtures comprising one or more dye(s) of: formula (I) and one or more dye(s) of: formula (II) and optionally one or more dye(s) of: formula (IV) to processes for their preparation and to their use for dyeing and printing hydroxyl- and carboxamido-containing materials.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: November 27, 2018
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Clemens Grund, Adrian Murgatroyd, Ulrich Hanxleden, Manfred Hoppe, Ulrich Weingarten, Ronald Pedemonte, Antonio Lopez-Torrentera
  • HIGH WET FAST BRILLIANT BLUE DISPERSE DYE MIXTURES
    Publication number: 20180273762
    Abstract: The present invention is directed to high wet fast brilliant blue disperse dye mixtures comprising dye(s) of formula (I) and of formula (II) their production and their use for textile dyeing and printing.
    Type: Application
    Filed: November 16, 2016
    Publication date: September 27, 2018
    Applicant: DyStar Colours Distribution GmbH
    Inventors: Manfred HOPPE, Clemens GRUND, Fanny VERMANDEL, Werner TIßEN
  • FLUORECENT REACTIVE DYES, PROCESS FOR THE PRODUCTION THEREOF AND THEIR USE
    Publication number: 20180194943
    Abstract: The present invention is directed to fluorescent reactive dyes of general formula (I) a process for the production thereof and their use.
    Type: Application
    Filed: April 8, 2015
    Publication date: July 12, 2018
    Applicant: DyStar Colours Distribution GmbH
    Inventor: CLEMENS GRUND
  • Acid dyes, process for the production thereof and their use
    Patent number: 9745474
    Abstract: Dyes of formula (1) their production and their use are described.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: August 29, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Roxana Barbieru, Sivamurugan Vajiravelu, Wei Tian Loh
  • Acid dyes, process for the production thereof and their use
    Patent number: 9725597
    Abstract: Dye(s) of formula (I) process for their production and their use are described.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: August 8, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Roxana Barbieru, Sivamurugan Vajiravelu, Wei Tian Loh
  • Metal free acid dyes, process for the production thereof and their use
    Patent number: 9714347
    Abstract: The present invention relates to dyes of formula (1) a process for preparing them and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: July 25, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Roxana Barbieru, Sivamurugan Vajiravelu, Say Wan Yong, Ravi Vedarethinam
  • Acid dyes, process for the production thereof and their use
    Patent number: 9650516
    Abstract: Dyes of formula (1) a process for their production and their use are described.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: May 16, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Roxana Barbieru, Vajiravelu Sivamurugan, Wei Tian Loh
  • Acid dyes, process for the production thereof and their use
    Patent number: 9624376
    Abstract: Dyes of formula (1) their preparation and use are described.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: April 18, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventor: Sivamurugan Vajiravelu
  • Disperse dyes, their preparation and their use
    Patent number: 9567464
    Abstract: The present invention refers to dyes of the formula (I) and mixtures thereof a process for their production and to their use.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: February 14, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Yongnian Gao, Si Sl Liew, Samuel Shantong Fu, Roxana Barbieru
  • High wet fast disperse dye mixtures
    Patent number: 9534118
    Abstract: Dye mixtures based on dye(s) of formula (1) and dye(s) of formula (2) formula (3) formula (4) formula (5a) and/or formula (5b)
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: January 3, 2017
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Fanny Vermandel, Adrian Murgatroyd, Clemens Grund, Manfred Hoppe, Ulrich Weingarten
  • AOX-free navy and black disperse dyes
    Patent number: 9493657
    Abstract: This invention relates to disperse azo dye mixtures, which have Navy or Black color and are AOX-free.
    Type: Grant
    Filed: January 6, 2014
    Date of Patent: November 15, 2016
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Fanny Vermandel, Adrian Murgatroyd, Clemens Grund, Manfred Hoppe, Ulrich Weingarten
  • Acid dye mixture
    Patent number: RE47618
    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: July 12, 2017
    Date of Patent: September 24, 2019
    Assignee: DyStar Colours Distribution GmbH
    Inventors: Thomas Ruchser, Andreas Giehl