Patents Assigned to Sovlay Deutschland GmbH
  • Method for obtaining estrogens from pregnant mare urine by solid phase extraction on a semi-polar adsorber resin
    Patent number: 5723454
    Abstract: A method for obtaining an extract containing the natural mixture of conjugated estrogens from mare urine by solid-phase extraction of the mixture of conjugated estrogens from the urine of pregnant mares on non-ionic semi-polar polymeric adsorber resins.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: March 3, 1998
    Assignee: Sovlay Deutschland GmbH
    Inventors: Ivan Ban, Henning Heinemann, Gerhard Mechtold, Heinz-Helmer Rasche