Patents by Inventor Walter Koehler

Walter Koehler 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).

  • UV-curing protective layer for thermoplastic substrates
    Patent number: 8753739
    Abstract: The present invention relates to a multi-layer product, the first layer being a UV-cured protective layer which contains SiO2 nanoparticles, and the second layer containing a thermoplastic substrate. In addition, the invention relates to the composition of the UV-curable first layer, a process for the production of the multi-layer products and products, such as e.g. glazing products, which contain the named multi-layer products.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: June 17, 2014
    Assignee: Bayer MaterialScience AG
    Inventors: Frank Buckel, Robert Maleika, Walter Koehler, Reiner Meyer
  • UV-curing protective layer for thermo-plastic substrates
    Publication number: 20070237967
    Abstract: The present invention relates to a multi-layer product, the first layer being a UV-cured protective layer which contains SiO2 nanoparticles, and the second layer containing a thermoplastic substrate. In addition, the invention relates to the composition of the UV-curable first layer, a process for the production of the multi-layer products and products, such as e.g. glazing products, which contain the named multi-layer products.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 11, 2007
    Inventors: Frank Buckel, Robert Maleika, Walter Koehler, Reiner Meyer