Patents by Inventor Mark Dwayne Lorenz

Mark Dwayne Lorenz 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).

  • High-pressure separator
    Patent number: 7740674
    Abstract: A high-pressure separator with improved efficiency is provided. The separator comprises a centrifugal separator located inside of a gravity separator. The centrifugal separator has an enclosed upper portion and desirably comprises a single cylinder. The high-pressure separator is particularly suitable for use in the production of low-density polyethylene under high pressure.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: June 22, 2010
    Assignee: Westlake Longview Corporation
    Inventors: Bailey James Salmon, Wayne Scott Strasser, Kenneth Alan Dooley, Justin Dean Hearron, Mark Dwayne Lorenz
  • High-pressure separator
    Publication number: 20080177019
    Abstract: A high-pressure separator with improved efficiency is provided. The separator comprises a centrifugal separator located inside of a gravity separator. The centrifugal separator has an enclosed upper portion and desirably comprises a single cylinder. The high-pressure separator is particularly suitable for use in the production of low-density polyethylene under high pressure.
    Type: Application
    Filed: November 30, 2007
    Publication date: July 24, 2008
    Applicant: Westlake Longview Corportion
    Inventors: Bailey James Salmon, Wayne Scott Strasser, Kenneth Alan Dooley, Justin Dean Hearron, Mark Dwayne Lorenz
  • Process and apparatus for olefin polymerization in a fluidized bed reactor
    Publication number: 20080021178
    Abstract: A process and apparatus for gas phase polymerization of olefins in a fluidized bed reactor are disclosed. The process and apparatus employ a vertically oriented fines ejector in order to reduce fouling and reactor downtime.
    Type: Application
    Filed: July 20, 2006
    Publication date: January 24, 2008
    Inventors: Matthew Howard Scott, Kenneth Alan Dooley, Bailey James Salmon, Mark Dwayne Lorenz, Paul Keith Scherrer, Robert Lin, David Lynn Meade, Wayne Scott Strasser, Dwayne Ray Leonard