| 发明名称 |
MEMBRANE SEPARATION METHOD |
| 摘要 |
<p>A solution of isopropanol or ethanol is concentrated by pervaporation across a membrane of polyurea polymer or polyamide polymer prepared by interfacial polymerization of (i) an amine monomer containing at least two primary or secondary amine nitrogens and (ii) an isocyanate monomer containing at least two -NCO groups or a carbonyl chloride monomer containing at least two -COC1 groups</p> |
| 申请公布号 |
EP0543575(A3) |
申请公布日期 |
1993.07.14 |
| 申请号 |
EP19920310372 |
申请日期 |
1992.11.13 |
| 申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
PASTERNAK, MORDECHAI |
| 分类号 |
B01D61/36;B01D69/12;B01D71/54;B01D71/56;C07C29/76;(IPC1-7):B01D61/36 |
主分类号 |
B01D61/36 |
| 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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