Patents by Inventor Ralph V. Franklin

Ralph V. Franklin 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).

  • Olefin production process
    Patent number: 7718838
    Abstract: A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: May 18, 2010
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: William M. Woodard, Warren M. Ewert, Harvey D. Hensley, Mark E. Lashier, Glyndal D. Cowan, Jeffrey W. Freeman, Ralph V. Franklin, Ronald D. Knudsen, Richard L. Anderson, Lyle R. Kallenbach, Bruce E. Kreischer
  • Olefin production process
    Patent number: 7157612
    Abstract: A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: January 2, 2007
    Assignee: Phillips Petroleum Company
    Inventors: Warren M. Ewert, William M. Woodard, Harvey D. Hensley, Mark E. Lashier, Glyndal D. Cowan, Jeffrey W. Freeman, Ralph V. Franklin, Ronald D. Knudsen, Richard L. Anderson, Lyle R. Kallenbach, Bruce E. Kreischer
  • Olefin production process
    Publication number: 20040228775
    Abstract: A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound.
    Type: Application
    Filed: June 18, 2004
    Publication date: November 18, 2004
    Inventors: Warren M. Ewert, William M. Woodard, Harvey D. Hensley, Mark E. Lashier, Glyndal D. Cowan, Jeffrey W. Freeman, Ralph V. Franklin, Ronald D. Knudsen, Richard L. Anderson, Lyle R. Kallenbach, Bruce E. Kreischer
  • OLEFIN PRODUCTION PROCESS
    Publication number: 20020182124
    Abstract: A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound.
    Type: Application
    Filed: October 14, 1997
    Publication date: December 5, 2002
    Inventors: WILLIAM M. WOODARD, WARREN M. EWERT, HARVEY D. HENSLEY, MARK E. LASHIER, BRUCE E. KREISCHER, GLYNDAL D. COWAN, JEFFREY W. FREEMAN, RALPH V. FRANKLIN, RONALD D. KNUDSEN, RICHARD L. ANDERSON, LYLE R. KALLENBACH