Patents by Inventor Gregg Barton Shipp

Gregg Barton Shipp 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).

  • Patent number: 7235677
    Abstract: Described is a method of improving the process and operation of an existing system for manufacturing ethylene oxide. The ethylene oxide manufacturing system includes an epoxidation reactor system containing a volume of high activity epoxidation catalyst. The method includes replacing a portion of the volume of high activity epoxidation catalyst with a volume of high selectivity catalyst, and modifying the operation of the process system so as to provide for a feed to the epoxidation reactor system having a reduced carbon dioxide concentration.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: June 26, 2007
    Assignee: Shell Oil Company
    Inventors: Peter Ingraham Chipman, Ajay Madhav Madgavkar, Gregg Barton Shipp
  • Publication number: 20040171852
    Abstract: Described is a method of improving the process and operation of an existing system for manufacturing ethylene oxide. The ethylene oxide manufacturing system includes an epoxidation reactor system containing a volume of high activity epoxidation catalyst. The method includes replacing a portion of the volume of high activity epoxidation catalyst with a volume of high selectivity catalyst, and modifying the operation of the process system so as to provide for a feed to the epoxidation reactor system having a reduced carbon dioxide concentration.
    Type: Application
    Filed: February 27, 2004
    Publication date: September 2, 2004
    Inventors: Peter Ingraham Chipman, Ajay Madhav Madgavkar, Gregg Barton Shipp