Patents by Inventor Thomas D. Westmoreland, Jr.

Thomas D. Westmoreland, Jr. 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).

  • Breaking middle phase emulsions
    Patent number: 4623447
    Abstract: Middle phase emulsions are broken by subjecting the emulsion to a first atmospheric distillation step to remove water, followed by a second vacuum distillation step to recover oil. The residue contains the surfactant. The atmospheric distillation is generally carried out by steam distillation.
    Type: Grant
    Filed: August 2, 1985
    Date of Patent: November 18, 1986
    Assignee: Pennzoil Company
    Inventors: Bert H. Clampitt, Asoke K. Deysarkar, Thomas D. Westmoreland, Jr.