Patents by Inventor Michael Schlumpf

Michael Schlumpf 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).

  • Adhesives with good mechanical properties, suitable for use with antennas
    Patent number: 6767959
    Abstract: A filler containing adhesive is described that also in the presence of large amounts of conductive fillers such as low or non-oxidized carbon black shows good antenna impedance. Said adhesive is characterized by the presence of polycarbonate prepolymers, in particular prepolymers containing a group or formula I: wherein R represents linear or branched, saturated or unsaturated aliphatic radical, a saturated or unsaturated cycloaliphatic radical, an araliphatic radical, or an aromatic radical with 3 to 10 carbon atoms, and n=1 to 8, preverably 2 to 5.
    Type: Grant
    Filed: January 2, 2002
    Date of Patent: July 27, 2004
    Assignee: Sika AG, Vorm. Kaspar Winkler & Co.
    Inventors: Bernhard Bosshard, Michael Schlumpf
  • Adhesives with good mechanical properties, suitable for use with antennas
    Publication number: 20020132958
    Abstract: A filler containing adhesive is described that also in the presence of large amounts of conductive fillers such as low or non-oxidized carbon black shows good antenna impedance.
    Type: Application
    Filed: January 2, 2002
    Publication date: September 19, 2002
    Inventors: Bernhard Bosshard, Michael Schlumpf