Patents by Inventor Theodore Robert Blakeslee, deceased

Theodore Robert Blakeslee, deceased 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).

  • Screen packs for reducing gels in polypropylene copolymers
    Patent number: 5730885
    Abstract: The present invention teaches a method for reducing the number and size of polymeric gels in a polypropylene blend by filtering the blend through multiple filter screens during the extrusion of the blend.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: March 24, 1998
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Theodore Robert Blakeslee, deceased, David Khanin, Richard H. Bozenbury, Jr.