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公开(公告)号:US07220733B2
公开(公告)日:2007-05-22
申请号:US10400936
申请日:2003-03-28
IPC分类号: A61K31/56
CPC分类号: C07J1/0059 , C07J1/007 , Y10T436/203332
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.
摘要翻译: 提供了使用无孔聚合物硅氧烷膜通过渗透蒸发从甲苯尿中分离甲酚的方法,其中含有具有降低或基本上除去的甲酚含量的高质量和量子结合的雌激素的起始尿液溶液有利地适合于获得天然混合物 的结合雌激素从怀孕母猪的尿。