Patents by Inventor Long Yun Li

Long Yun Li 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).

  • Method of extracting ginsengnoside Rgm, pharmaceutical composition including ginsengnoside Rg, and uses thereof
    Patent number: 7884195
    Abstract: The present invention provides a method of extracting ginsenoside Rg2, which is applied to mass production. The method of the present invention employs gradient salting-out instead of conventional silica gel chromatography, and therefore enables convenient performance and mass production of ginsenoside Rg2. Provided are also a pharmaceutical composition comprising ginsenoside Rg2 as an active ingredient, and prophylactic and therapeutic agents for preventing and treating dementia, depression, peripheral circulation disorder and related diseases, utilizing the pharmaceutical composition.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: February 8, 2011
    Inventor: Long Yun Li
  • Method of Extracting Ginsengnoside Rg2m, Pharmaceutical Composition Including Ginsengnoside Rg2, and Uses Thereof
    Publication number: 20080227760
    Abstract: The present invention provides a method of extracting ginsenoside Rg2, which is applied to mass production. The method of the present invention employs gradient salting-out instead of conventional silica gel chromatography, and therefore enables convenient performance and mass production of ginsenoside Rg2. Provided are also a pharmaceutical composition comprising ginsenoside Rg2 as an active ingredient, and prophylactic and therapeutic agents for preventing and treating dementia, depression, peripheral circulation disorder and related diseases, utilizing the pharmaceutical composition.
    Type: Application
    Filed: April 26, 2005
    Publication date: September 18, 2008
    Applicant: Boong-Kyung KO
    Inventor: Long Yun Li