Patents by Inventor Frauke Hofacker-Freifrau Von Nostitz

Frauke Hofacker-Freifrau Von Nostitz 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 plastic
    Patent number: 4155890
    Abstract: Dental plastic, suitable for cold polymerization in the mouth, is formed of a mixture of acrylic polymer dissolved in monomer of methacrylate and/or acrylate of 6 - 10 carbons, to which is added metal soap and, if need be, metal silica and optionally a cross-linking agent.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: May 22, 1979
    Inventor: Frauke Hofacker-Freifrau Von Nostitz