Patents by Inventor James G. Burt

James G. Burt 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).

  • Azeotrope or azeotrope-like composition of 1,1,2,-trichloro-1,2,2-trifluoroethane, trans-1,2-dichloroethylene and cyclopentane
    Patent number: 4808331
    Abstract: An Azeotrope or azeotrope-like composition of 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) with trans-1,2-dichloroethylene and cyclopentane useful in solvent cleaning applications.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: February 28, 1989
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: James G. Burt, John P. Burns
  • Method and apparatus for recovering blowing agent in foam production
    Patent number: 4531951
    Abstract: The present invention provides a method and apparatus which permits recovering and reusing the volatile blowing agents which are used in the production of thermoplastic foams.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: July 30, 1985
    Assignee: Cellu Products Company
    Inventors: James G. Burt, Boyd M. Franklin
  • Method and apparatus for recovering blowing agent from scrap foam
    Patent number: 4531950
    Abstract: The present invention provides a method and apparatus which permits recovering and reusing the volatile blowing agents which are used in the production of thermoplastic foams and contained within the cellular structure of the foam. Scraps of the foam material are processed so as to recover both the blowing agent and the thermoplastic resin in a form suitable for reuse.
    Type: Grant
    Filed: December 19, 1983
    Date of Patent: July 30, 1985
    Assignee: Cellu Products Company
    Inventor: James G. Burt