Patents by Inventor Gottfried Hilkbert

Gottfried Hilkbert 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).

  • White, biaxially- oriented polyester film with cycloolefin copolymer (coc), which is matt on at least one side, method for production and use thereof
    Publication number: 20030180560
    Abstract: The invention relates to a white, biaxially-oriented and co-extruded polyester film which is matt on at least one side with at least one base layer B, which contains a cycloolefin copolymer (COC) in amounts of 4 to 60 wt. %, based on the weight of the base layer, in addition to polyester starting material. The glass transition temperature Tg of the COC lies in the range from 70 to 270° C. Said film has at least one matt outer layer (A), made from polyester and is particularly suitable for use in fast running machines such as winding, metallising, printing or laminating machines.
    Type: Application
    Filed: November 8, 2002
    Publication date: September 25, 2003
    Inventors: Herbert Peiffer, Holger Kliesch, Gottfried Hilkbert, Bart Janssen