Patents by Inventor Dong Hwan Shon

Dong Hwan Shon 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).

  • Extract of for the treatment or prevention of hepatitis or the liver protective drug
    Patent number: 7309504
    Abstract: The disclosure concerns an extract of Acanthopanax koreanum and its use. More particularly, it concerns the extract of Acanthopanax koreanum comprising 1) the extract of Acanthopanax koreanum extracted from water, 2) among the water extract, the extract of Acanthopanax koreanum only containing ethanol insoluble part obtained by precipitating ethanol, 3) among the ethanol insoluble part, the extract of Acanthopanax koreanum containing polysaccaride with a molecular weight larger than range of 12,000˜14,000, or 4) among the ethanol insoluble part, the extract of Acanthopanax koreanum containing polysaccaride with a molecular weight larger than 100,000, which is respectively obtained from the root or stem of Acanthopanax koreanum. The extract of the present invention shows a high inhibitory activity against hepatitis and protects the liver, and thus, can be used for the treatment or prevention of hepatitis, or as a liver protective drug.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: December 18, 2007
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Jung Joon Lee, Jeong-Hyung Lee, Young Soo Hong, Young Ho Kim, Jeong Bum Nam, Dong Hwan Shon, Hang Sub Kim