Patents by Inventor Manfred Adelhard Josef Sondergeld

Manfred Adelhard Josef Sondergeld 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).

  • Protective layer for color proofs
    Patent number: 6210844
    Abstract: Element for laminating on color proofs, comprising a strippable support film A and a transparent, photoinsensitive protective layer B, containing at least one polymer having a melting point Tm of ≧50° C. and a glass transition temperature Tg of ≦0° C.
    Type: Grant
    Filed: June 16, 1999
    Date of Patent: April 3, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Manfred Adelhard Josef Sondergeld