Patents by Inventor Peter Spes

Peter Spes 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).

  • Organosilsesquioxanes having at least one mesogenic side group
    Patent number: 5442025
    Abstract: Organosilsesquioxanes having at least one mesogenic side group and processes for their preparation, which comprise reacting organosilsesquioxanes having at least one Si-bonded hydrogen atom with chiral or achiral mesogenic compounds containing an aliphatic multiple bond.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: August 15, 1995
    Assignee: Consortium fur elektrochemische Industrie GmbH
    Inventors: Peter Spes, Franz-Heinrich Kreuzer, Christian Freyer, Mechthild Hessling
  • Cyclic organosiloxanes having nonlinear optical properties
    Patent number: 5231206
    Abstract: Cyclic organosiloxanes which contain at least one Si-bonded organic radical and have at least one donor/acceptor .pi.-electron system.
    Type: Grant
    Filed: November 23, 1990
    Date of Patent: July 27, 1993
    Assignee: Consortium fur elektrochemische Industrie GmbH
    Inventors: Peter Spes, Mechthild HeBling, Franz-Heinrich Kreuzer