Patents by Inventor Andreas Giehl

Andreas Giehl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Acid dye mixture
    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
  • Metal complex dye mixtures
    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
  • MIXTURES OF FIBRE REACTIVE DYES PRODUCTION AND USE THEREOF
    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
  • Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials
    Patent number: 7468081
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Grant
    Filed: September 22, 2004
    Date of Patent: December 23, 2008
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jörg Wörner
  • Metal Complex Dye Mixtures
    Publication number: 20080189883
    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: Application
    Filed: March 15, 2006
    Publication date: August 14, 2008
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Thomas Ruchser, Oliver Steinau, Andreas Giehl
  • Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials
    Patent number: 7381228
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: June 3, 2008
    Assignee: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jörg Wörner
  • Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials
    Publication number: 20070199162
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Application
    Filed: April 30, 2007
    Publication date: August 30, 2007
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jorg Worner
  • Mono-, Di- or Trichromatic Dyeing or Printing of Natural or Synthetic Polyamide Fiber Materials
    Publication number: 20070199163
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Application
    Filed: April 30, 2007
    Publication date: August 30, 2007
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jorg Worner
  • Acid dye mixture
    Publication number: 20060174426
    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: Application
    Filed: February 6, 2006
    Publication date: August 10, 2006
    Applicant: DyStar Textifarben GmbH & Co.
    Inventors: Thomas Ruchser, Andreas Giehl
  • Mono-, di-or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials
    Publication number: 20050060819
    Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.
    Type: Application
    Filed: September 22, 2004
    Publication date: March 24, 2005
    Applicant: DyStar Textilfarben GmbH & Co. Deutschland KG
    Inventors: Stefan Ehrenberg, Andreas Giehl, Jorg Worner
  • 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