Patents by Inventor Sun Li Bang

Sun Li Bang 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).

  • Patent number: 7341750
    Abstract: Disclosed herein are a novel compound isolated from Ginkgo biloba and a method for isolating the novel compound from Ginkgo biloba. The method comprises: (1) extracting Ginkgo biloba with alcohol to obtain a crude extract; (2) subjecting the Ginkgo biloba crude extract to solvent fractionation using an organic solvent; (3) fractionating the solvent fractions by Sephadex column chromatography; and (4) fractionating the Sephadex fractions by silica gel column chromatography.
    Type: Grant
    Filed: November 8, 2006
    Date of Patent: March 11, 2008
    Assignee: Candleflower Co., Ltd.
    Inventors: Hyun-Jung Lee, Hak-Ju Lee, Kang-Hoon Je, Jeong Kon Seo, Seung Jin Lee, Sun Li Bang
  • Publication number: 20080014293
    Abstract: Disclosed herein are a novel compound isolated from Ginkgo biloba and a method for isolating the novel compound from Ginkgo biloba. The method comprises: (1) extracting Ginkgo biloba with alcohol to obtain a crude extract; (2) subjecting the Ginkgo biloba crude extract to solvent fractionation using an organic solvent; (3) fractionating the solvent fractions by Sephadex column chromatography; and (4) fractionating the Sephadex fractions by silica gel column chromatography.
    Type: Application
    Filed: November 8, 2006
    Publication date: January 17, 2008
    Inventors: Hyun-Jung Lee, Hak-Ju Lee, Kang-Hoon Je, Jeong Kon Seo, Seung Jin Lee, Sun Li Bang