Patents by Inventor Wha Jeong Choi

Wha Jeong Choi 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).

  • Flavonoid compound having an antiviral activity
    Patent number: 7998937
    Abstract: The present invention relates to a flavonoid compound having an antiviral activity, more particularly to a flavonoid compound obtained by extracting Houttuynia cordata with methanol and separating/purifying with chromatography, a method for efficient extraction and purification of the same and an antiviral composition comprising the compound as an active ingredient.
    Type: Grant
    Filed: November 3, 2006
    Date of Patent: August 16, 2011
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Dur Han Kwon, Wha Jeong Choi, Choong Hwan Lee, Jin Hee Kim, Man Bae Kim
  • Pharmaceutical composition for the prevention and treatment of liver disease comprising a lonicera caerulea L. Var. Edulis extract
    Publication number: 20100074975
    Abstract: Disclosed herein is a pharmaceutical composition having preventative and therapeutic effects on liver diseases, comprising an extract from Lonicera caerulea L. var. edulis. The composition has preventative and therapeutic effects on hepatitis, liver cirrhosis, fatty liver, and the like.
    Type: Application
    Filed: July 7, 2006
    Publication date: March 25, 2010
    Inventors: Ju Hwan Eum, Man Chul Suh, Dur Han Kwon, Byeong ku Yoon, Wha jeong Choi, Kyung mi Kwon, Chan soo Kim
  • Flavonoid Compound Having an Antiviral Activity
    Publication number: 20090171074
    Abstract: The present invention relates to a flavonoid compound having an antiviral activity, more particularly to a flavonoid compound obtained by extracting Houttuynia cordata with methanol and separating/purifying with chromatography, a method for efficient extraction and purification of the same and an antiviral composition comprising the compound as an active ingredient.
    Type: Application
    Filed: November 3, 2006
    Publication date: July 2, 2009
    Inventors: Dur Han Kwon, Wha Jeong Choi, Choong Hwan Lee, Jin Hee Kim, Man Bae Kim