Patents by Inventor Ralf Roessler

Ralf Roessler 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).

  • Patent number: 6706273
    Abstract: Compositions for implantation into the human and animal body as bone replacement contain inter alia calcium and phosphorus and consist in particular of mixtures of powders and admixing liquids. They are suitable for preparing calcium phosphate cement pastes which cure at room and/or body temperature. The reaction systems contain a powdery base mixture comprising CaKPO4, Ca2NaK(PO4)2 and Ca(H2PO4)2.H2O.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: March 16, 2004
    Assignee: Ivoclar Vivadent AG
    Inventor: Ralf Roessler