Patents by Inventor James A. Bueley

James A. Bueley 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).

  • Process for extraction and recovery of blowing agents from polymeric foams
    Patent number: 4976862
    Abstract: A process for removing blowing agent from polymeric foam. The process comprises breaking up the foam in a liquid medium to obtain a solid phase of polymeric fragments and a liquid phase of blowing agent and liquid medium. The polymeric particles are then separated from said liquid phase.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: December 11, 1990
    Assignee: Dupont Canada Inc.
    Inventors: Michael R. Ascough, James A. Bueley