Patents by Inventor Carmen Hofmann, geb. Roth

Carmen Hofmann, geb. Roth 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).

  • Dental prosthesis
    Patent number: 5849068
    Abstract: A shaped, high-strength dental ceramic prosthesis is made by pressing a molding composition including from about 1 to 50 percent by weight glass particles and from about 99 to about 50 percent by weight inorganic oxide particles at a pressure of from about 10 to about 40 MPa and a temperature of from about 1000.degree. to about 1200.degree. C. Dental prostheses prepared in accordance with the invention include crowns, bridges, inlays and onlays.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: December 15, 1998
    Assignee: Dentsply G.m.b.H.
    Inventors: Carmen Hofmann, geb. Roth, Ludwig J. Gauckler, Gerhard Bayer, Martin E. Hofmann, Atef Malash, Peter Scharer, Heinz Luthy, Klaus Krumbholz, Wigbert Hauner, Hansjorg Janssen, Ralf Janda