Patents by Inventor Si Kyung Park

Si Kyung Park 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).

  • N-cinnamoyl-2-methyl-5-methoxy-3-indoleacetic acid ester, and pharmaceutical preparation containing the same
    Patent number: 5747521
    Abstract: The present invention relates to a new N-cinnamoyl-2-methyl-5-methoxy-3-indoleacetic ester represented by the following general formula (I). It is manufactured by causing N-cinnamoyl-2-methyl-5-metboxy-3-indoleacetic acid represented by the following general formula (II) or a reactive derivative thereof to react with a compound represented by the following general formula (III) ##STR1## wherein, R is ##STR2## The inventive compounds are effective to the same extent as the existing cinmetacin, and are also excellent in greatly reducing fatal side effects like a gastric ulcer, that are associated with cinmetacin or an intestinal ulcer.
    Type: Grant
    Filed: May 4, 1995
    Date of Patent: May 5, 1998
    Assignee: Samjin Pharm. Co., Ltd.
    Inventors: Eui Hwan Cho, Sun Gan Chung, Kyou Heung Lee, Si Kyung Park