Patents by Inventor Elke Miefert

Elke Miefert 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).

  • Support material for photographic coatings
    Patent number: 5004644
    Abstract: A support material for photographic coatings comprises a paper or film material coated on at least one side with polyolefin resin, and the resin contains a fluorine containing polymer.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: April 2, 1991
    Assignee: Felix Schoeller jr. GmbH & Co. KG
    Inventors: Ralf-Burkhard Dethlefs, Bernd Scholz, Wolfram Wysk, Elke Miefert