Patents by Inventor Gerhard Dost

Gerhard Dost 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).

  • Patent number: 4464432
    Abstract: A process for manufacturing porous textile substrates impregnated with thermoplastic polymeric pastes, especially fleeces or mats, with subsequent gelling out of polymeric paste, which comprises penetrating impregnating one side of a textile substrate with an evacuated paste comprised of a vinyl polymer and/or copolymers of vinyl chloride, while effecting complete displacement of air through the paste and compactly impregnating said substrate.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: August 7, 1984
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Gerhard Dost, Walter Gerber, Eberhard Jaeger, Erwin Moschter, Richard Weiss