Patents by Inventor Kenneth S. Prowse

Kenneth S. Prowse 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).

  • Stain-resistant aromatic/maleic anhydride polymers
    Patent number: 5001004
    Abstract: Stain-resistant, polyamide textile substrates treated with compositions comprising hydrolyzed ethylenically unsaturated aromatic/maleic anhydride polymers and processes for their preparation. The treated substrates possess stain resistance that is as good as or better than do previously known stain-resist treated substrates but do not suffer from yellowing to the extent that previously known treated substrates do.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: March 19, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Patrick H. Fitzgerald, Nandakumar S. Rao, Yashavant V. Vinod, George K. Henry, Kenneth S. Prowse