Patents by Inventor Doug W. Burns

Doug W. Burns 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 recovering boron trifluoride from a catalyst complex
    Patent number: 6410812
    Abstract: In a process for the oligomerization of alpha olefins using a boron trifluoride/alcohol catalyst complex a method for recovering the boron trifluoride from the product stream which comprises lowering the pressure of the product stream to flash off excess boron trifluoride, mixing the boron trifluoride with fresh alcohol to form fresh boron trifluoride/alcohol catalyst complex, and introducing the fresh catalyst back into the oligomerization reactor.
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: June 25, 2002
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Kenneth D. Hope, Ting C. Ho, David L. Archer, Russell J. Bak, J. Barry Collins, Doug W. Burns