Patents by Inventor Ludwig E. Seufert

Ludwig E. Seufert 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).

  • Antisoiling treatment of synthetic filaments
    Patent number: 4565717
    Abstract: Antisoiling properties of polyamide filaments are enhanced upon melt-spinning by using a spin finish comprised of a textile lubricant, an antisoiling fluorochemical and an epoxy resin.
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: January 21, 1986
    Assignee: E. I. DuPont De Nemours and Company
    Inventors: Edward A. Hosegood, Ludwig E. Seufert