Patents by Inventor Ching C. Loo

Ching C. Loo 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).

  • Sunscreening method using rice bran oil
    Patent number: 3988436
    Abstract: Rice bran oil when applied to the skin as such or when incorporated in a pharmaceutically acceptable carrier is effective as a sunscreening agent in protecting the skin against sunburn upon exposure to ultraviolet radiation in the region of from about 2950 to 3150 angstrom units.
    Type: Grant
    Filed: February 11, 1974
    Date of Patent: October 26, 1976
    Assignee: Carnation Company
    Inventor: Ching C. Loo