Patents by Inventor Manfred Poniatowski

Manfred Poniatowski 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).

  • Heat-resistant platinum material
    Patent number: 5730931
    Abstract: A heat-resistant platinum material with more than 99.5% by weight platinum, with high long-term creep resistance and low grain growth at high temperature contains 0.1 to 0.35% by weight zirconium and/or zirconium oxide and 0.002 to 0.02% by weight boron and/or boron oxide.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: March 24, 1998
    Assignee: Degussa Aktiengesellschaft
    Inventors: Manfred Poniatowski, Ernst Drost, Stefan Zeuner