Patents by Inventor Andreas Wuzik

Andreas Wuzik 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).

  • Patent number: 6749674
    Abstract: Disclosed are metal complexes of trisazo dyes of the general formula 4 wherein R1 through R6 are as defined in the specification. The dyes are useful for dyeing and printing natural and synthetic fiber materials, recording fluids, especially for the inkjet process, liquid formulations for paper pulp dyeing, and also as colorants for electrophotographic toners, powder coatings and color filters including the dyes of the invention.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: June 15, 2004
    Assignee: Clariant GmbH
    Inventors: Josef Geisenberger, Andreas Wuzik
  • Publication number: 20040074018
    Abstract: The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable and water-proof ink formulations.
    Type: Application
    Filed: August 11, 2003
    Publication date: April 22, 2004
    Inventors: Andreas Wuzik, Josef Geisenberger, Heidemarie Menzel
  • Publication number: 20040063765
    Abstract: The present invention relates to the use of compounds of the general Formula (I): 1
    Type: Application
    Filed: May 6, 2003
    Publication date: April 1, 2004
    Applicant: 4 SC AG
    Inventors: Aldo Ammendola, Katharina Aulinger-Fuchs, Astrid Gotschlich, Bernd Kramer, Martin Lang, Wael Saeb, Udo Sinks, Andreas Wuzik
  • Patent number: 6596067
    Abstract: A colorant mixture of C.I. Acid Red 289 and C.I. Reactive Red 23 and optionally a shading colorant is used for magenta recording fluids.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: July 22, 2003
    Assignee: Clariant GmbH
    Inventors: Heidemarie Menzel, Josef Geisenberger, Andreas Wuzik
  • Publication number: 20030060608
    Abstract: Disclosed are compositions for printing recording materials, especially textile fibre materials, paper and papery substrates and plastic films and plastic transparencies by the inkjet printing process, including
    Type: Application
    Filed: September 20, 2002
    Publication date: March 27, 2003
    Inventors: Ludwig Hasemann, Reinhard Pedrazzi, Josef Geisenberger, Josef Ritter, Hans-Tobias Macholdt, Andreas Wuzik
  • Publication number: 20020011179
    Abstract: A colorant mixture of C.I. Acid Red 289 and C.I. Reactive Red 23 and optionally a shading colorant is used for magenta recording fluids.
    Type: Application
    Filed: July 3, 2001
    Publication date: January 31, 2002
    Applicant: Clariant GmbH
    Inventors: Heidemarie Menzel, Josef Geisenberger, Andreas Wuzik
  • Publication number: 20010027734
    Abstract: Disclosed are metal complexes of trisazo dyes of the general formula 4 1
    Type: Application
    Filed: March 23, 2001
    Publication date: October 11, 2001
    Applicant: Clariant GmbH
    Inventors: Josef Geisenberger, Andreas Wuzik