Patents by Inventor Brigitte Husseini

Brigitte Husseini 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).

  • Pigment preparation
    Patent number: 6648956
    Abstract: The invention relates to a nondusting, solvent-containing homogeneous pigment preparation that includes ≧70% by weight of one or more effect pigments 0.1-30% by weight of an organic solvent or solvent mixture having an evaporation number (EN) of 10 to 100 and a surface tension (ST) of ≦35 mN/m and optionally 0-5% by weight of a surface-active substance.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: November 18, 2003
    Assignee: Merck Patent Gesellschaft mit beschraenkter Haftung
    Inventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini, Sabine Schoen
  • Pigment preparation
    Patent number: 6398862
    Abstract: The invention relates to a non-dusting homogeneous pigment preparation notable in that it comprises at least 40% by weight of one or more pearl lustre pigments.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: June 4, 2002
    Assignee: Merck Patent Gesellschaft mit Beschraenkter Haftung
    Inventors: Wolfgang Hechler, Gerhard Herget, Brigitte Husseini
  • Roller wash composition
    Patent number: 6265365
    Abstract: The present description relates to a roller wash composition for the cleaning of the cylinder, polymer plate and other soiled parts of printing machines when using water-based printing inks.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: July 24, 2001
    Assignee: Merck Patent Gesellschaft Mit
    Inventors: Gerhard Herget, Brigitte Husseini, Rüdiger Smolka
  • Surface-modified platelet-shaped substrates
    Patent number: 6139962
    Abstract: The present invention relates to surface-modified pigments based on platelet-shaped substrates, having improved settling and reagitation characteristics, and to their preparation processes and use.
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: October 31, 2000
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Herget, Brigitte Husseini
  • Offset printing ink
    Patent number: 5445671
    Abstract: The present invention relates to a low-viscosity offset printing ink which essentially comprises a binder, additives and 5-40% by weight of pearlescent pigments and has an improved transfer behavior for pearlescent pigments.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: August 29, 1995
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Gerhard Herget, Wolfgang Hechler, Brigitte Husseini, Heinz Mohr, Rudiger Smolka