Patents by Inventor Ku-Seok Kang

Ku-Seok 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).

  • Manufacturing process of isoflavan or isoflavene derivatives
    Publication number: 20070037874
    Abstract: The present invention relates to a method of synthesizing isoflavan and isoflavene derivatives of the Formula 1, which have the biological efficacy of antioxidation and protection against ultraviolet light. The method is effective and suitable for a mass production of isoflavan and isoflavene derivatives, which is a more convenient alternative preparation method compared to the isolation method by the extraction of plants, such as licorice, via troublesome preparative processes.
    Type: Application
    Filed: October 20, 2004
    Publication date: February 15, 2007
    Inventors: Sang-Ku Yoo, Ho-Kyoung Kang, Ku-Seok Kang, Keepyung Nahm, Sang Woo You