Patents by Inventor Woo S. Kang

Woo S. Kang 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).

  • Antioxidant extracted from the defatted ricebran
    Patent number: 5175012
    Abstract: An antioxidant extracted from the defatted ricebran which is obtained by the process comprising the steps of: carrying out the 1st extraction of the defatted ricebran using the mixed solvent of water and ethanol (1:0.8-1.2) at 50.degree.-80.degree. C., obtaining the residue separated from the 1st extracted solution by centrifugation, carrying out the 2nd extraction of the separated residue using the water at 55.degree.-80.degree. C., mixing the 1st extracted solution and 2nd extracted solution, and concentrating the mixed solution.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: December 29, 1992
    Assignee: Nong Shim Co., Ltd.
    Inventors: Zae I. Shin, Young S. Chang, Woo S. Kang, Sung U. Jung