Patents by Inventor Charles R. Payet

Charles R. Payet 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).

  • Stretch polyester and acrylic spun yarn
    Publication number: 20040067707
    Abstract: The invention provides a spun yarn comprising polyester bicomponent staple fiber and acrylic staple fiber. The invention further provides a method for making spun yarns and fabrics. The spun yarn of the invention comprises at least 30 weight percent acrylic staple fiber and from 17 to 45 weight percent polyester bicomponent staple fiber comprising poly(ethylene terephthalate) and poly(trimethylene terephthalate), based on the total weight of the yarn.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 8, 2004
    Inventors: Lorne M. Hamilton, Geoffrey D. Hietpas, Charles R. Payet, Steven W. Smith
  • Polyphenyl-1,4-phenylene terephthalates and fibers therefrom
    Patent number: 4159365
    Abstract: This invention relates to novel fiber-forming polyesters which in fiber form have high tenacity and high retention of tensile strength at elevated temperatures and to methods for making such polyesters. Fiber preparation and heat treatment are also disclosed.
    Type: Grant
    Filed: October 5, 1977
    Date of Patent: June 26, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Charles R. Payet