Patents by Inventor Kirsten Wilbrand

Kirsten Wilbrand 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 a natural mixture of conjugated equine estrogens
    Patent number: 7964586
    Abstract: A method for obtaining an extract containing the natural mixture of conjugated equine estrogens in which a mixture of conjugated estrogens obtained by solid-phase extraction from pregnant mares' urine is depleted in phenolic urine contents and in non-conjugated lipophilic compounds selected from the group consisting of non-conjugated flavonoids, non-conjugated isoflavonoids, non-conjugated norisoprenoids, non-conjugated steroids, in particular androstane and pregnane steroids, and comparable non-conjugated compounds.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: June 21, 2011
    Assignee: Abbott Products GmbH
    Inventors: Heinz-Helmer Rasche, Kirsten Wilbrand, Sabine Banschbach
  • Separation of cresol from mares' urine
    Patent number: 7220733
    Abstract: A method of separating cresol from mares' urine by pervaporation using pore-free polymeric silicone membranes in which starting urine solutions containing high-quality and -quantity conjugated estrogens with a reduced or substantially removed cresol content are provided which are advantageously suitable for obtaining natural mixtures of conjugated estrogens from pregnant mares' urine.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: May 22, 2007
    Assignee: Solvay Pharmaceuticals GmbH
    Inventors: Heinz-Helmer Rasche, Kirsten Wilbrand, Kerstin Woltmann
  • Separation of cresol from mares' urine
    Publication number: 20030215953
    Abstract: A method of separating cresol from mares' urine by pervaporation using pore-free polymeric silicone membranes in which starting urine solutions containing high-quality and -quantity conjugated estrogens with a reduced or substantially removed cresol content are provided which are advantageously suitable for obtaining natural mixtures of conjugated estrogens from pregnant mares' urine.
    Type: Application
    Filed: March 28, 2003
    Publication date: November 20, 2003
    Applicant: Solvay Pharmaceuticals GmbH
    Inventors: Heinz-Helmer Rasche, Kirsten Wilbrand, Kerstin Woltmann