Patents Assigned to Tanabe Siyaku Co., Ltd.
  • 2-Oxoimidazolidine derivatives
    Patent number: 4380644
    Abstract: A 2-oxoimidazolidine derivative of the formula: ##STR1## wherein R.sup.1 is lower alkyl or phenyl-lower alkyl and R.sup.2 is lower alkyl or phenyl, and a process for preparation thereof are disclosed. Said 2-oxoimidazolidine derivative (I) or a pharmaceutically acceptable salt thereof is useful as a hypotensive agent.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: April 19, 1983
    Assignee: Tanabe Siyaku Co., Ltd.
    Inventors: Naoto Yoneda, Jyoji Kato, Keizo Kinashi