Patents by Inventor Giselher Valk

Giselher Valk 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: 4525403
    Abstract: Stabilized pile articles, characterized in that the stabilizing has been carried out on the upper surface by means of latices, dispersions and/or resins or by a heat treatment, a process for its production characterized in that an unstabilized pile article is stabilized, and its use for the treatment of surfaces.
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: June 25, 1985
    Assignees: Bayer Aktiengesellschaft, Girmes Vertriebsgesellschaft fur Industrietextilien mbH
    Inventors: Bernd Hynek, Giselher Valk, Gerhard Treptau