Patents by Inventor Ute Wenz

Ute Wenz 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).

  • Self-adhesive bituminous roofing and sealing web with cover sheet
    Patent number: 5143766
    Abstract: A self-adhesive bituminous sealing web having a support layer in the form of a scrim, a woven fabric or a non-woven material, both surfaces of which are covered with a bituminous coating, an adhesive layer disposed on one surface thereof and a cover sheet. The cover sheet includes at least one thermoplastic polymer layer and at least one layer of a woven fabric or non-woven material made of highly tear-resistant plastic fibers or threads.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: September 1, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ute Wenz, Ekkehard Beer