Patents by Inventor Russell N. Palmer

Russell N. Palmer 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).

  • Continuous process for making interlaced polyester yarns
    Patent number: 4622187
    Abstract: A continuous process for preparing a package of polyester yarn having a low shrinkage by spinning, hot-drawing, heat-relaxing, interlacing and winding, wherein the shrinkage is reduced while minimizing reduction of tenacity by keeping the yarn hotter, preferably by using heated air for interlacing.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: November 11, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Russell N. Palmer
  • Interlaced polyester industrial yarns
    Patent number: 4529655
    Abstract: An interlaced polyester yarn having an improved combination of low shrinkage properties and high tenacity.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: July 16, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Russell N. Palmer