Patents by Inventor Hea-Jin Choi

Hea-Jin 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).

  • Dihydroxyphenyl derivatives for hepatoprotection and treatment of liver diseases
    Patent number: 6693126
    Abstract: The present invention relates to a pharmaceutical composition for the hepatoprotection and treatment of liver diseases comprising as an active ingredient a dihydroxyphenyl derivative represented by the following formula (1), pharmaceutically acceptable acid addition salt or stereochemical isomer thereof together with a pharmaceutically acceptable inert carrier: in which in which A, B, D and E are defined as described in the specification.
    Type: Grant
    Filed: April 1, 2002
    Date of Patent: February 17, 2004
    Assignee: Choongwae Pharm. Co., Ltd.
    Inventors: Sung-Hwan Moon, Hea-Jin Choi, Su-Jin Lee, Jea-Uk Chung, Jong-Ryul Ha, Kwang-Won Jeong, Se-Woong Oh
  • Dihydroxyphenyl derivatives for hepatoprotection and treatment of liver diseases
    Publication number: 20030083326
    Abstract: The present invention relates to a pharmaceutical composition for the hepatoprotection and treatment of liver diseases comprising as an active ingredient a dihydroxyphenyl derivative represented by the following formula (1), pharmaceutically acceptable acid addition salt or stereochemical isomer thereof together with a pharmaceutically acceptable inert carrier: 1
    Type: Application
    Filed: April 1, 2002
    Publication date: May 1, 2003
    Applicant: Choongwae Pharm. Co., Ltd.
    Inventors: Sung-Hwan Moon, Hea-Jin Choi, Su-Jin Lee, Jea-Uk Chung, Jong-Ryul Ha, Kwang-Won Jeong, Se-Woong Oh
  • Genipin derivative having liver protection activity
    Patent number: 6262083
    Abstract: The present invention relates to novel genipin derivatives which have an excellent liver protection activity with little cytotoxicity, and these compounds are so stable in vivo that they do not induce any side effects.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: July 17, 2001
    Assignee: Choongwae Pharma Corporation
    Inventors: Sung-Hwan Moon, Hea-Jin Choi, Su-Jin Lee, Jea-Uk Chung, Jong-Ryul Ha, Kyoung-June Lee, Se-Woong Oh, Kwang-Won Jeong
  • Genipin derivative having anti hepatitis B virus activity
    Patent number: 6162826
    Abstract: The present invention relates to a novel genipin derivative represented by formula (I), which has anti hepatitis B virus (HBV) activity, in which R.sub.1 represents lower alkyl, benzyl, etc., R.sub.2 represents hydroxymethyl, formyl, acetyl, etc., R.sub.3 represents methoxycarbonyl, formyl, etc., its pharmaceutically acceptable salt, and stereoisomer.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: December 19, 2000
    Assignee: Choongwae Pharmaceutical Corporation
    Inventors: Sung Hwan Moon, Hea Jin Choi, Su Jin Lee, Jea Uk Chung, Jai Hyun Kim, Dong Hoon Chung, Moon Soo Park, In Koo Cho, Kun Hyock Choi