Patents by Inventor Helmut-Werner Heure

Helmut-Werner Heure 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).

  • Publication number: 20110230626
    Abstract: The present invention relates to copolycarbonates having improved surface hardness, processes for the preparation thereof and the use thereof for the production of blends, shaped articles and extrudates.
    Type: Application
    Filed: November 14, 2009
    Publication date: September 22, 2011
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Helmut-Werner Heure, Rolf Wehrmann, Alexander Karbacb