Patents by Inventor Bernd Epstein

Bernd Epstein 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).

  • Process for preparing benzo(a)pyrene-free, carbon-containing, refractory ceramic materials
    Patent number: 5403526
    Abstract: The present invention pertains to a process for preparing a benzo(a)pyrene-free, carbon-containing, refractory ceramic material that can subsequently be used for preparing ceramic preforms.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: April 4, 1995
    Assignee: Radex-Heraklith Industriebeteiligungs Aktiengesellschaft
    Inventors: Gunnar Kloss, Bernd Epstein, Achim Weber