Patents by Inventor Wai-Kit Nip

Wai-Kit Nip 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).

  • Preservation of reddish color of lychee pericarp
    Patent number: 4751091
    Abstract: The reddish pericarp color of whole fresh lychee fruit is preserved by applying a composition of a food acid, an edible reducing agent, and a carbohydrate thickener to the pericarp surfaces, and thereafter storing the coated fruit at a low temperature. After initial coating, the lychee fruit is preferably frozen and then recoated before storage in frozen condition.
    Type: Grant
    Filed: August 15, 1986
    Date of Patent: June 14, 1988
    Assignee: University of Hawaii
    Inventors: Wai-Kit Nip, Tung Liang