SEPARATION OF CRESOL FROM MARE'S URINE

Title:

SEPARATION OF CRESOL FROM MARE'S URINE

Document Type and Number:

WIPO Patent Application WO2002026760

Kind Code:

A3

Abstract:

The invention relates to the separation of cresol from mare's urine by pervaporation by means of pore free polymer membranes made of silicon. Urine starting solutions containing qualitatively and quantitatively highly valent conjugated oestrogens with a reduced or substantially separated cresol content are provided and are advantageously suitable to obtain natural mixtures of conjugated oestrogens from the urine of pregnant mares.

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Inventors:

RASCHE HEINZ-HELMER (DE)
WILBRAND KIRSTEN (DE)
WOLTMANN KERSTIN (DE)

Application Number:

PCT/EP2001/011115

Publication Date:

March 20, 2003

Filing Date:

September 26, 2001

Export Citation:

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Assignee:

SOLVAY PHARM GMBH (DE)
RASCHE HEINZ-HELMER (DE)
WILBRAND KIRSTEN (DE)
WOLTMANN KERSTIN (DE)

International Classes:

C07J1/00; (IPC1-7): A61K35/22; C07J75/00; A61K38/22

Foreign References:

US5814624A	1998-09-29
US5723454A	1998-03-03

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