Patent Number: 8,815,299

Title: Method for obtaining a natural mixture of conjugated equine estrogens depleted in non-conjugated lipophilic compounds

Abstract: A method for obtaining an extract containing the natural mixture of conjugated equine estrogens by liquid-liquid extraction of the mixture of conjugated equine estrogens, wherein the mixture obtained is depleted 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.

Inventors: Ban; Ivan (Hannover, DE), Gerling; Klaus-Guenter (Winsen/Aller, DE), Mueller; Hans-Joerg (Hannover, DE), Wachsmann; Stefan (Hannover, DE)

Assignee: Abbott Products GmbH

International Classification: A61K 35/22 (20060101); A61K 31/56 (20060101)

Expiration Date: 8/26/12018