Patents Examined by Joseh Paul Brust
  • Patent number: 5258395
    Abstract: Novel heterocyclic compounds shown by the general formula ##STR1## or the pharmaceutically acceptable salts thereof useful as medicament in particular as antagonist of slow reacting substance of anaphylaxis (SRS-A).
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: November 2, 1993
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Murase, Toshiyasyu Mase, Hiromu Hara, Kenichi Tomioka