Patents by Inventor Felix Schinzel

Felix Schinzel 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).

  • Methacrylate protective coating containing a UV-absorber for polycarbonate
    Patent number: 5061558
    Abstract: Multilayered plastic objects are prepared having a core layer of an aromatic polycarbonate in contact with a polymethacrylate film containing a UV absorber. The polymethacrylate film comprises a copolymer of methylmethacrylate and an acrylic or methacrylic ester, (meth)acrylamide, maleimide or mixtures thereof and is compatible with said aromatic polycarbonate at all mixing ratios.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: October 29, 1991
    Assignee: Rohm GmbH Chemische Fabrik
    Inventors: Jens-Dieter Fischer, Manfred Munzer, Ursula Golchert, Felix Schinzel