Patents by Inventor Heinz-Hermann Koerner

Heinz-Hermann Koerner 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).

  • Manufacture of soft and resilient foams
    Patent number: 4061701
    Abstract: Composite soft and resilient foams are manufactured by injecting a foamable mixture of polyisocyanates, polyols, water or inert blowing agents and, if appropriate, auxiliaries, under pressure into a mold of which about 90 to 30% of the volume is filled with foamed, soft and resilient particles of olefin polymers of particle size from about 3 to 50 mm and bulk density from 5 to 100 g/l -- these particles being in loose form or fused or stuck together -- and allowing the reaction mixture to foam up.
    Type: Grant
    Filed: December 12, 1973
    Date of Patent: December 6, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Fritz Stastny, Rudolf Gaeth, Udo Haardt, Heinz-Hermann Koerner