Patents by Inventor E. Gordon Foster

E. Gordon Foster 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).

  • Multistage copolymerization process
    Patent number: 4740551
    Abstract: The present invention relates to a multistage, continuous process for the preparation of propylene-ethylene impact copolymers comprising the use of a plug flow pipeline reactor for homopolymerizing propylene, a gas-phase fluidized bed reactor for additional propylene homopolymerization, and a gas-phase fluidized bed reactor for propylene/ethylene copolymerization.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: April 26, 1988
    Assignee: Shell Oil Company
    Inventor: E. Gordon Foster
  • Multistage copolymerization process
    Patent number: 4740550
    Abstract: The present invention relates to a multistage, continuous process for the preparation of propylene-ethylene impact copolymers comprising the use of a recirculating pipe-loop reactor for homopolymerizing propylene, a cyclone separator for removing fines, a gas-phase fluidized bed reactor for additional propylene homopolymerization, and a gas-phase fluidized bed reactor for propylene/ethylene copolymerization.
    Type: Grant
    Filed: June 18, 1986
    Date of Patent: April 26, 1988
    Assignee: Shell Oil Company
    Inventor: E. Gordon Foster
  • Process for the production of dichlorohydrin
    Patent number: 4620911
    Abstract: A continuous process for the production of dichlorohydrin by the reaction of chlorine, water and allyl chloride, having reduced water consumption wherein the dichlorohydrin formed is extracted into an inert organic solvent and the remaining aqueous reaction product is electrodialyzed, and at least a portion of the resulting diluate is recycled to the reaction.
    Type: Grant
    Filed: December 27, 1985
    Date of Patent: November 4, 1986
    Assignee: Shell Oil Company
    Inventors: George C. Blytas, E. Gordon Foster, F. Norman Grimsby