Patents by Inventor David Bergern

David Bergern 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).

  • Starch network as absorbent or superabsorbent materials and their preparation by extrusion
    Publication number: 20070179291
    Abstract: The present invention relates an absorbent material consisting of a molecular network of starch molecules, the starch molecules comprising an amylopectin content of at least 90% (w/w). The molecular network can either be comprised of self-entangled starches or cross-linked starches.
    Type: Application
    Filed: March 26, 2004
    Publication date: August 2, 2007
    Applicant: LE GROUPE LYSAC, INC.
    Inventors: Claude Thibodeau, David Bergern, Isabelle Bolduc, Claude Couture, Nicolas Nourry