Patents by Inventor Andreas Jungheim

Andreas Jungheim 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).

  • Process for cleaning hollow fibers
    Patent number: 5470474
    Abstract: The invention relates to a process for removing a lumen filler and/or undesired auxiliary processing agents from hollow fibers or hollow fiber membranes by extraction with supercritical gases. The invention likewise relates to the hollow fibers or hollow fiber membranes freed of a lumen filler and/or undesired auxiliary processing agents by this process.
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: November 28, 1995
    Assignee: Akzo Nobel NV
    Inventors: Wolfgang Ansorge, Ralf Hornscheidt, Andreas Jungheim, Klaus Muller