Patents by Inventor John C. O'C. Young

John C. O'C. Young 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: 5143635
    Abstract: Heat exchange fluids have improved flow characteristics at low temperature by incorporation of specific surfactant drag reducing compositions. The drag reducing composition comprises (1) a quaternary ammonium surfactant and (2) a preferably stoichiometric or greater amount of an organic counterion. The counterion is preferably 2,6-dihydroxybenzoate which contains a negatively charged head group substituent and a hydroxyl group in both adjacent positions.
    Type: Grant
    Filed: November 6, 1991
    Date of Patent: September 1, 1992
    Assignee: Energy, Mines & Resources - Canada
    Inventors: John C. O'C. Young, Christopher B. Murray