Patents by Inventor Claude Ledard

Claude Ledard 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).

  • Bony or dental filling biomaterials and processes for preparation thereof
    Patent number: 5141561
    Abstract: The invention relates to a biomaterial for bony or dental fillings on the basis of apatite. It provides a biomaterial having antiseptic properties for limiting the proliferation of microorganisms at the site of implantation. The biomaterial according to the invention is based on calcium oxygenated phosphate having an apatitic structure which has oxygenated species with degrees of oxidation greater than or equal to -2. This biomaterial brings together with the antiseptic properties mentioned above an excellent biocompatibility, a very low solutility and good qualities of osteo-induction.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: August 25, 1992
    Assignee: Whereas, Agence Conseil 3P
    Inventors: Claude Ledard, Edmond Benque, Jean-Louis Lacout, Christian Rey