Patents by Inventor Frank R. Spitulnik

Frank R. Spitulnik 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 a ceramic body
    Patent number: 5705118
    Abstract: A process for preparing a ceramic body in which a ceramic mixture is formed into a green body and thereafter fired. The ceramic mixture is prepared by mixing at least about 40 weight percent of ceramic material and less than about 60 weight percent of gluten with water. At least about 90 weight percent of the particles of ceramic material are smaller than about 20 microns, and at least about 50 weight percent of the particles of ceramic material are from about 0.5 to about 2 microns. The mixture has a pH of from about 2 to about 8.
    Type: Grant
    Filed: March 22, 1994
    Date of Patent: January 6, 1998
    Assignee: PolyCeramics, Inc.
    Inventors: Kevin G. Hayes, Peter A. Roberts, Frank R. Spitulnik