Patents by Inventor James W. Tolliver

James W. Tolliver 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).

  • Preparing fine denier staple fibers
    Patent number: 5219506
    Abstract: Fine denier polyester fibers are obtainable from polymer of low molecular weight to have improved uniformity and excellent mechanical properties by a high throughput process.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: June 15, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Harvey G. Anderson, James V. Hartzog, Harold L. Manning, Jr., James W. Tolliver
  • Apparatus for quenching melt spun filaments
    Patent number: 5219582
    Abstract: An apparatus for radially quenching melt spun filaments features a quenching chamber having a foraminous distribution cylinder between the filaments and the gas supply chamber with areas of porosity that increases, from a first low value at a location immediately below the spinneret, through a larger value at lower location, and then decreases toward the exit of the quench chamber.
    Type: Grant
    Filed: March 2, 1992
    Date of Patent: June 15, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Harvey G. Anderson, James V. Hartzog, Harold L. Manning, Jr., James W. Tolliver