Patents by Inventor David R. Kiesel

David R. Kiesel 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).

  • Multilayer film with dead fold and twistability characteristics
    Patent number: 4965135
    Abstract: A multilayer film is provided in the form of an extruded sheet for food wrapping and cooking procedures. The film is made up of alternating layers of a first generally ductile material and a second generally brittle material. Upon wrapping a food item or container, the film exhibits dead fold and/or twistability characteristics. In one embodiment, the materials of the film are chosen to have softening points above about 450 degrees F. so that the film can be used in conventional ovens.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: October 23, 1990
    Assignee: The Dow Chemical Company
    Inventors: Jang-hi Im, Rexford A. Maugans, David R. Kiesel