Patents Assigned to Smith Kline
  • Pharmaceutical compositions and methods of producing coronary vasodilation
    Patent number: 3975537
    Abstract: Pharmaceutical compositions and methods of producing coronary vasodilation by administering substituted benzofurans, for example 2-n-butyl-3-[4' -(2-hydroxy-3-isopropylamino)propoxybenzoyl] benzofuran.
    Type: Grant
    Filed: February 20, 1975
    Date of Patent: August 17, 1976
    Assignee: Smith Kline
    Inventors: David T. Hill, Bernard Loev