Patents by Inventor Paul Bonnevialle

Paul Bonnevialle 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).

  • Implantable biodegradable material and process for its production
    Patent number: 5709875
    Abstract: The invention relates to a material which can be implanted in living tissue, in particular bony tissue, and having a rate of biodegradation adapted to the rate at which the tissue is regenerated; this material may comprise an active substance in order to achieve a therapeutic effect of prolonged duration. This material comprises (a) a calcium phosphate with apatitic or triclinic structure comprising HPO.sub.4 and PO.sub.4 groups, (b) a biodegradable oside or polyoside, in particular dextran, (c) if required, an active substance comprising amine groups such as netilmicin and/or gentamicin in sulphate form. The implantable material according to the invention may be produced without heat by compacting its various constituents in the powdery state.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: January 20, 1998
    Assignee: Centre National de la Rechierche Scientifique (C.N.R.S)
    Inventors: Albert Lebugle, Anne Julia, Fernand Rodriguez, Paul Bonnevialle