发明授权
- 专利标题： Separation of cresol from mares' urine
- 专利标题（中）： 甲酚与母马尿液分离
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申请号： US10400936申请日： 2003-03-28
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公开(公告)号： US07220733B2公开(公告)日： 2007-05-22
- 发明人: Heinz-Helmer Rasche , Kirsten Wilbrand , Kerstin Woltmann
- 申请人： Heinz-Helmer Rasche , Kirsten Wilbrand , Kerstin Woltmann
- 申请人地址： DE Hannover
- 专利权人： Solvay Pharmaceuticals GmbH
- 当前专利权人： Solvay Pharmaceuticals GmbH
- 当前专利权人地址： DE Hannover
- 代理机构： Crowell & Moring LLP
- 优先权： DE10048524 20000929
- 主分类号： A61K31/56
- IPC分类号： A61K31/56
摘要：
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.
公开/授权文献
- US20030215953A1 Separation of cresol from mares' urine 公开/授权日：2003-11-20
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