Patents by Inventor Olivier Keiser

Olivier Keiser 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: 5665831
    Abstract: The biocompatible multi-block copolymer is obtainable by linear polycondensation of at least two .alpha.,.omega.-dihydroxypolyesters acid and/or .alpha.,.omega.-dihydroxypolyethers with a diisocyanate, diacid halide or phosgene. The block copolymer is preferably degradable in the human or animal body. The block copolymer is suitable for the production of medical implants and surgical aids.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: September 9, 1997
    Assignees: Peter Neuenschwander, Georg K. Uhlschmid, Ulrich W. Suter
    Inventors: Peter Neuenschwander, Georg K. Uhlschmid, Ulrich W. Suter, Gianluca Ciardelli, Thomas Hirt, Olivier Keiser, Kazushige Kojima, Andreas Lendlein, Sandro Matter