Patents by Inventor Gerhard Mechtold

Gerhard Mechtold 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).

  • 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