Patents Assigned to Advance Biofactures Corp.
  • Novel isomers of bufalin and resibufogenin and their preparation
    Patent number: 4380624
    Abstract: This invention relates to novel isomers of naturally occurring cardiotonic compounds, specifically novel isobufalins and novel isoresibufogenins. This invention also relates to a novel method of preparing the novel isomers.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: April 19, 1983
    Assignee: Advance Biofactures Corp.
    Inventors: Karel Wiesner, Thomas Y. R. Tsai