Patents by Inventor Sandro Matter

Sandro Matter 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).

  • Brushite hydraulic cement stabilized with a magnesium salt
    Patent number: 6733582
    Abstract: A brushite cement for surgical purposes includes a first component including a basic calcium phosphate, a second component including an acidic phosphate, a third component including water, and a fourth component including a source of magnesium used to stabilize an end-product of the setting reaction between the components. The solubility of the source of magnesium is smaller than 100 g/L. The components are chosen in such an amount that (i) the pH of the cement past during setting is lower than 6.0; and (ii) the end-product of the setting reaction comprises dicalcium phosphate dihydrate.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: May 11, 2004
    Assignees: Dr. H. C. Robert Mathys Stiftung, Stratec Medical AG
    Inventors: Marc Bohner, Sandro Matter
  • Biocompatible block copolymer
    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