Patents by Inventor Markus Stumpf

Markus Stumpf 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).

  • High strength plastic film and process for its production
    Patent number: 6359074
    Abstract: A high strength, stretched, polyethylene plastic film is described. To obtain better stretchability, the film includes an effective amount of an acetate polymer. Typically, the polyethylene film contains up to 10% of acetate polymer. A suitable acetate polymer is polyvinyl acetate. A process for the production of a high strength polyethylene plastic film including an acetate polymer is also described.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: March 19, 2002
    Assignee: Windmöller & Hölscher
    Inventors: Christof Herschbach, Juergen Linkies, Markus Stumpf