Patents by Inventor Peter Eiden

Peter Eiden 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).

  • Biaxially stretched polypropylene monofilm
    Patent number: 5252389
    Abstract: A biaxially stretched polypropylene monofilm, wherein the surfaces of the two sides of the polypropylene monofilm have different roughnesses R.sub.Z, is employed as an insulation film for the production of capacitors. The smoother of the two surfaces of the polypropylene monofilm is substantially free from fibrils and pits, so that no flaws occur in a metal layer applied on metallization of this surface.
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: October 12, 1993
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Robert Schmidt, Peter Eiden, Gerhard Koch, Karl-Heinz Mueller