Patents by Inventor Joan C. Fretag

Joan C. Fretag 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).

  • FILMS HAVING STRUCTURED SURFACE AND METHODS FOR MAKING THE SAME
    Publication number: 20110256338
    Abstract: A film, and method of producing, wherein the film (4) comprises crystalline polylactide, wherein the film is continuous and has an embossed, structured surface (5,6) comprising structure (s) in the form of a negative imprint of a tool roll structured surface, and function wherein the structure (s) of the embossed, structured surface are retained upon heating the film of up to 130° C.
    Type: Application
    Filed: December 22, 2009
    Publication date: October 20, 2011
    Inventors: Ronald W. Ausen, Stephen W. Bany, Joan C. Fretag, Jay M. Jennen, Eugene G. Joseph, Sasha B. Myers, Shou-Lu G. Wang