Patents by Inventor Heinz Hermann Greve

Heinz Hermann Greve 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).

  • Catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase and the use of diene rubbers produced therewith
    Patent number: 6291615
    Abstract: The present invention is directed to a catalyst system, the use thereof in the polymerization of dienes in a solution, suspension and vapor phase, and the use of diene rubbers produced therewith, exhibiting a high cis content, an average vinyl content and a low gel content.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: September 18, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Dauben, Rüdiger Engehausen, Heinz Hermann Greve, Wolfgang Nentwig, Walter Kaminsky, Christian Strübel, Volker Scholz
  • Suitable polychloroprene materials for the production of high-damping vulcanisates
    Patent number: 5064904
    Abstract: Vulcanizates of polychloroprene materials containing fluorinated polyolefin have a decreased rebound elasticity without having a significantly adverse effect on the mechanical properties.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: November 12, 1991
    Assignee: Bayer AG
    Inventors: Werner Obrecht, Heinz-Hermann Greve, Peter Wendling, Ulrich Eisele, Rudiger Musch