Patents Assigned to Karl O. Helm
  • L-Glaucine containing composition for cough relief
    Patent number: 4370331
    Abstract: An antitussive composition comprising a pharmaceutically acceptable carrier and from about 4 to about 99 percent by weight of a glaucine compound selected from the group consisting of l-glaucine, d,l-glaucine, the physiologically acceptable salts thereof and mixtures thereof.
    Type: Grant
    Filed: May 16, 1980
    Date of Patent: January 25, 1983
    Assignee: Karl O. Helm Aktiengesellschaft
    Inventor: Alfred G. Maasbol
  • Thrombocyte aggregation inhibiting composition and methods
    Patent number: 4279914
    Abstract: Platelet aggregation inhibiting compositions containing as active agent at least one compound selected from the group consisting of tetrahydroxyaporphine, glaucine containing 50 to 100% l-glaucine, and the physiologically acceptable salts and N-alkyl ammonium salts thereof are disclosed, as is a method for inhibiting platelet aggregation by administration of effective dosages of such compounds admixed with suitable carriers.
    Type: Grant
    Filed: August 7, 1979
    Date of Patent: July 21, 1981
    Assignees: Hermann Gottfried Schnabel Fa., Karl O. Helm
    Inventors: Alfred G. Maasbol, Alexander K. Sim