Patents by Inventor Frank Wiedemann

Frank Wiedemann 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).

  • Polyvinyl acetal-containing film
    Patent number: 7985465
    Abstract: The invention relates to a film based on plasticizer-containing polyvinyl acetals having improved uniformity of length variations over the width of the film for manufacturing laminated glazing and its use in laminated glazing or solar modules.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: July 26, 2011
    Assignee: Kuraray Europe GmbH
    Inventors: Frank Wiedemann, Andreas Karpinski
  • Polyvinyl acetal-containing film with improved uniformity of length variations over its width
    Publication number: 20070148419
    Abstract: The invention relates to a film based on plasticizer-containing polyvinyl acetals having improved uniformity of length variations over the width of the film for manufacturing laminated glazing and its use in laminated glazing or solar modules.
    Type: Application
    Filed: December 11, 2006
    Publication date: June 28, 2007
    Inventors: Frank Wiedemann, Andreas Karpinski