Patents by Inventor Helmut Streigler

Helmut Streigler 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).

  • Fabric for use in making footwear
    Patent number: 3985929
    Abstract: A non-woven fabric adapted for use in footwear is impregnated with a polymer prepared by polymerizing acrylic acid or methacrylic acid, mixtures thereof, or mixtures with other vinyl monomers in the presence of polyethylene oxide to improve its water absorption characteristics.
    Type: Grant
    Filed: November 1, 1974
    Date of Patent: October 12, 1976
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wulf von Bonin, Helmut Streigler