Patents Examined by Robert C. Whittenbaug
  • Cardiotonic heterocyclic oxazolones
    Patent number: 4698353
    Abstract: Heterocyclic oxazolones enhance myocardial contractile force and cardiac function and are used as cardiotonics in the treatment of heart failure.
    Type: Grant
    Filed: November 13, 1985
    Date of Patent: October 6, 1987
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventors: Richard A. Schnettler, Winton D. Jones, Jr., George P. Claxton