发明名称 |
Solvent extraction process |
摘要 |
A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is disclosed. The process comprises the steps of (1) contacting a sample of the raw material with an extraction solvent comprising 1,1,1,2-tetrafluoroethane and a co-solvent selected from an alkane and a hydrocarbon ether, (2) forming a solvent liquor comprising the extraction solvent and an extract from the raw material, and (3) separating the solvent liquor containing the extract from the raw material. |
申请公布号 |
AU1897095(A) |
申请公布日期 |
1995.10.23 |
申请号 |
AU19950018970 |
申请日期 |
1995.03.15 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
RICHARD LLEWELLYN POWELL;TIMOTHY JAMES NOAKES;PETER FREDERICK WILDE |
分类号 |
A61K8/96;A01N63/00;A23L5/20;A61K8/97;A61K31/00;A61K36/00;A61K36/13;A61K36/23;B01D11/02;B01D11/04;C11B1/10;C11B9/00 |
主分类号 |
A61K8/96 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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