Patents by Inventor Hans-Gerd Van Treek

Hans-Gerd Van Treek 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).

  • Water-dilutable polyesters with cyclic imide structure
    Patent number: 7183352
    Abstract: The present invention relates to novel polyesterpolyols with cyclic imide structure and to their use in coating compositions.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: February 27, 2007
    Assignee: Bayer MaterialScience AG
    Inventors: Christian Wamprecht, Hans-Gerd Van Treek, Raul Pires, Ulrich Freudenberg, Robert Reyer
  • Water-dilutable polyesters with cyclic imide structure
    Publication number: 20040063852
    Abstract: The present invention relates to novel polyesterpolyols with cyclic imide structure and to their use in coating compositions.
    Type: Application
    Filed: August 11, 2003
    Publication date: April 1, 2004
    Inventors: Christian Wamprecht, Hans-Gerd Van Treek, Raul Pires, Robert Reyer