Patents by Inventor Yvonne Brussaard

Yvonne Brussaard 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 composition and process for preparation of the same
    Patent number: 7658793
    Abstract: The invention relates to a pigment preparation based on at least one inorganic pigment and at least one organic pigment, and to a method for producing one such pigment preparation. Said pigment preparation contains particles wherein fine organic pigment particles are combined with inorganic pigment particles, said particles also being provided with an organic macromolecular coating. The inventive pigment preparation is produced by wet-grinding the inorganic and organic pigments, optionally adding other constituents, in the presence of a surface-active substance in the form of a macromolecular organic compound.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: February 9, 2010
    Assignee: Heubach GmbH
    Inventors: Rainer Heubach, Yvonne Brussaard, Hugo Brussaard
  • Pigment composition and process for preparation of the same
    Publication number: 20070079728
    Abstract: The invention relates to a pigment preparation based on at least one inorganic pigment and at least one organic pigment, and to a method for producing one such pigment preparation. Said pigment preparation contains particles wherein fine organic pigment particles are combined with inorganic pigment particles, said particles also being provided with an organic macromolecular coating. The inventive pigment preparation is produced by wet-grinding the inorganic and organic pigments, optionally adding other constituents, in the presence of a surface-active substance in the form of a macromolecular organic compound.
    Type: Application
    Filed: March 5, 2004
    Publication date: April 12, 2007
    Inventors: Rainer Heubach, Yvonne Brussaard, Hugo Brussaard