Patents by Inventor Walter E. Pye

Walter E. Pye 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).

  • Acrylic copolymer composition and adhesive coatings therefrom
    Patent number: 4980410
    Abstract: An improved adhesive composition comprising a nonacidic aqueous latex copolymer of a lower acrylate, an acrylic nitrile and a glycidyl acrylate having a crosslinking agent dissolved in the aqueous phase.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: December 25, 1990
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Michael Fryd, Walter E. Pye, Richard D. Redfearn
  • Acrylic copolymer composition and adhesive coatings therefrom
    Patent number: 4975484
    Abstract: An improved adhesive composition comprising a nonacidic aqueous latex copolymer of a lower acrylate, an acrylic nitrile and a glycidyl acrylate having a crosslinking agent dissolved in the aqueous phase.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: December 4, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Michael Fryd, Walter E. Pye, Richard D. Redfearn