Patents Represented by Attorney, Agent or Law Firm Mark R. Daniel
  • 5-(4-substituted)phenyl-2-pyrazinones
    Patent number: 4632924
    Abstract: This invention relates to 5-(4-substituted)phenylpyrazinone compounds which have positive inotropic and vasodilator activity. One such compound is 5-(4-carboxamidophenyl)pyrazin-2(1H)-one.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: December 30, 1986
    Assignee: SmithKline Beckman Corporation
    Inventors: John C. Emmett, Robert A. Slater