Patents Assigned to Asterol International
  • Process for the elimination of steroid compounds contained in substance of biological origin
    Patent number: 5223295
    Abstract: The present invention relates to a novel process for the elimination of steroid compounds contained in a substance of biological origin by complexing the steroidal compounds by means of a cyclodextrin, in an aqueous medium, under agitation at a temperature between 20.degree. and 80.degree. C. and then separating the complexes so formed.
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: June 29, 1993
    Assignee: Asterol International
    Inventors: Jean-Pierre Maffrand, Jean Courregelongue