Patents Examined by Sanzal L McClendon
  • Dental composites containing hybrid fillers and process for their production
    Patent number: 6632853
    Abstract: Dental composites containing hybrid fillers and process for their production. Dental compounds are disclosed which contain two- or multi-phase inorganic fillers in an organic polymer matrix. These are characterized by improved abrasion resistance.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: October 14, 2003
    Assignees: Degussa AG, Forschungszentrum Karlsruhe GmbH
    Inventors: Jochen Alkemper, Joachim Binder, Harald Rentsch, Hans-Joachim Ritzhaupt-Kleissl, Jürgen Hausselt