Patents Represented by Attorney Donald S. Studley

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  • Composition and process for injection molding ceramic materials
    Patent number: 4144207
    Abstract: Ceramic compositions that may be injection molded and subsequently sintered are described. A particulate ceramic material, such as silicon carbide, is coated with a mixture of thermoplastic resin and oils or waxes, and utilized as a feed material in an injection molding process. The molded product may subsequently be sintered at 2000.degree. C. to 2200.degree. C. to produce a hard, dense article.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: March 13, 1979
    Assignee: The Carborundum Company
    Inventor: Roger W. Ohnsorg