Patents by Inventor Jon g Hwan Kwak

Jon g Hwan Kwak 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).

  • Anti-cancer activity of . extract and contained triterpene saponin
    Patent number: 7960352
    Abstract: The present invention relates to an Androsace umbellata Merr. extract having anticancer activity and a triterpene saponin compound isolated therefrom, more particularly to an Androsace umbellata (Lour.) Merr. extract, triterpene saponin compounds isolated therefrom, saxifragifolin B and saxifragifolin D, which inhibit the growth of cancer cells and induce apoptosis of cancer cells, and thus are useful for preparing a composition for preventing and treating cancers and a method of isolating a triterpene saponin compound from an Androsace umbellata Merr. extract.
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: June 14, 2011
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Ok Pyo Zee, Se Chan Kang, Jon g Hwan Kwak, Joa Sub Oh, Han Choi, Jong Phil Bak, Chang Min Lee, Yong Joon Cheong