Patents by Inventor Wilhelm Munninghoff

Wilhelm Munninghoff 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).

  • Composite articles by combining a thermoplastic molding and foam
    Patent number: 5332621
    Abstract: A composite article is prepared by intimately bonding a latex foam with a thermoplastic molded part containing polyphenylene ether, the latex consisting of the following components, relative to its total rubber content:I. 20-100% by weight of SBR latex with a minimum proportion of more than 15% by weight of styrene in the solid polymer, andII. 80-0% by weight of natural-rubber latex or other, synthetic latexes.The combination is vulcanized to form a product which exhibits cohesive rupture within the foam body, when the foam body is subjected to separation.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: July 26, 1994
    Assignee: Huels Aktiengesellschaft
    Inventors: Friedrich-Georg Schmidt, Herbert Knipp, Wilhelm Munninghoff