Patents by Inventor Fred E. Suffridge

Fred E. Suffridge 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).

  • Micellar crude oil displacement with partitioned hydrocarbon sulfonates
    Patent number: 4248301
    Abstract: Micellar crude oil displacement efficiency is improved by partitioning the hydrocarbon sulfonate surfactants used in the formulation of micellar fluids between aqueous and oleic phases of a separation liquid and using the portion which is partitioned into the oleic phase in the formulation of the micellar fluid.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: February 3, 1981
    Assignee: Standard Oil Company (Indiana)
    Inventors: Fred E. Suffridge, Victor J. Kremesec, Jr.