Patents by Inventor Cornelia Breuer

Cornelia Breuer 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).

  • Transparent cover layer for transparent glass or plastic substrate
    Patent number: 5030686
    Abstract: A condensation-inhibiting transparent cover layer of soft elastic polyurethane for viewing windows or other transparent glass or plastic substrates. The reaction mixture for production of the cover layer contains, in addition to a trifunctional polyisocyanate and a trifunctional polyol, a difunctional sulfonated polyether polyol, i.e. one containing sulfonate groups, and a non-ionic tenside in the form of an ethoxylated fatty alcohol and/or an ethoxylated fatty amine.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: July 9, 1991
    Assignee: Isover Saint-Gobain
    Inventors: Gerhard Holzer, Udo Gelderie, Cornelia Breuer