Patents by Inventor Gil-Namg Chu

Gil-Namg Chu 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).

  • Carbostyril derivatives and salts thereof and pharmaceutical compositions for inhibiting adhesion of thrombocytes
    Patent number: 5434164
    Abstract: Carbostyril derivatives and salts thereof represented by the general formula (1a), including some known compounds, possess activities for inhibiting adhesion of thrombocytes. ##STR1## Z, A, X, R, R.sup.1 and R.sup.2 are defined in the specification. Some carbostyril derivatives having chemical structural formulas similar to those of carbostyril derivatives and salts thereof represented by the general formula (1a) have been known in prior art references, however the above-mentioned pharmacological activities have not been known to the present date.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: July 18, 1995
    Assignee: Otsuka Pharmaceutical Co. Ltd.
    Inventors: Takao Nishi, Tetsuyuki Uno, Yasuo Koga, Gil-Namg Chu
  • Carbostyril derivatives and salts thereof and pharmaceutical composition for inhibiting adhesion of thrombocytes
    Patent number: 5008274
    Abstract: A carbostyril derivative or pharmaceutically acceptable salt thereof represented by the following general formula: ##STR1## wherein Z, A, XN, R, R.sup.1, and R.sup.2 are as defined in the specification. These carbostyril derivatives are useful in pharmaceutical compositions for inhibiting adhesion of thrombocytes.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: April 16, 1991
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Takao Nishi, Tetsuyuki Uno, Yasuo Koga, Gil-Namg Chu