Patents by Inventor Joon S. Rhee

Joon S. Rhee 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).

  • Dewaxing of vegetable oils
    Patent number: 3994943
    Abstract: Crude vegetable oil is dewaxed by admixture with a mixture of surfactants comprising an aqueous solution of less than 100 ppm of a sulfosuccinate alkyl ester such as dioctyl sodium sulfosuccinate and 0.01 to 0.5% of a fatty acid sulfate such as sodium lauryl sulfate. The oil is then centrifuged and washed. The oil can be simultaneously degummed by the addition of a phosphate compound to the treatment liquid.
    Type: Grant
    Filed: December 30, 1974
    Date of Patent: November 30, 1976
    Assignee: Hunt-Wesson Foods, Inc.
    Inventors: Walter P. Gibble, Joon S. Rhee