Patents by Inventor Yasuji Kondo

Yasuji Kondo 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).

  • 11-Deoxoglycyrrhetinic acid hydrogen maleate, process for its production, and its use as a medicine
    Patent number: 4448788
    Abstract: 11-Deoxoglycyrrhetinic acid hydrogen maleate of the following formula ##STR1## and its salts, and this compound is prepared by reacting 11-deoxoglycyrrhetinic acid with maleic anhydride, and if desired, converting the resulting 11-deoxoglycyrrhetinic acid hydrogen maleate to its salt. The compound is useful as medicament for treating an ulcer or inflammation in man or another animal or activating the cellular immunity of man or the animal.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: May 15, 1984
    Assignee: Maruzen Pharmaceutical Co., Ltd.
    Inventors: Shigeshi Toyoshima, Hajime Fujimura, Shunsuke Ito, Yasuji Kondo