Patents by Inventor Wolfgang Pollak

Wolfgang Pollak 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 producing carbon bodies having a silicon carbide coating
    Patent number: 5418011
    Abstract: A process is described for producing carbon bodies and a coating of silicon-infiltrated silicon carbide. In this process, the surface of carbon bodies is coated with an aqueous slip containing finely divided silicon carbide and binder. The coating is then dried and the binder is decomposed by heat. The coated carbon bodies are then silicized at their surface by contact with liquid silicon.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: May 23, 1995
    Assignee: Hoechst CeramTec Aktiengesellschaft
    Inventor: Wolfgang Pollak