Patents by Inventor Alexander K. Sim

Alexander K. Sim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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