Method for obtaining estrogens from pregnant mare urine by solid phase extraction on a semi-polar adsorber resin

US5723454A · kind A · utility

Assignee

• Sovlay Deutschland GmbH · DE

Inventors

• Ivan Ban · Hannover, DE
• Henning Heinemann · Hannover, DE
• Gerhard Mechtold · Hannover, DE
• Heinz-Helmer Rasche · Burgdorf, DE

Key dates

• Filing date: Nov 26, 1996
• Grant date: Mar 3, 1998
• Expiry date: Nov 26, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07J1/0051
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

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.