Patents by Inventor Martin Bonnke

Martin Bonnke 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).

  • Patent number: 4670499
    Abstract: A polyolefin molding composition which contains a very small amount of a specific calcium carbonate causes only very little corrosion on machines during processing.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: June 2, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Martin Bonnke, Lothar Bothe
  • Patent number: 4649171
    Abstract: A polyolefin molding composition which contains a very small amount of a metal salt of citric acid brings about only very slight corrosion to the machines during processing.
    Type: Grant
    Filed: July 2, 1985
    Date of Patent: March 10, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Martin Bonnke, Lothar Bothe