Patents Assigned to Covestro Deutchland AG
  • Polyurethane sealing compounds
    Patent number: 9458282
    Abstract: The invention relates to the use of polyurethane sealing compounds for the production of light-fast compact or foamed polyurethane bodies or polyurethane urea bodies which have excellent mechanical and optical properties and especially a very high thermostability.
    Type: Grant
    Filed: January 13, 2010
    Date of Patent: October 4, 2016
    Assignee: Covestro Deutchland AG
    Inventors: Dorota Greszta-Franz, Hans-Josef Laas, Jens Krause, Dieter Mager, Christian Wamprecht