| 发明名称 |
Improved polymeric membranes. |
| 摘要 |
<p>Improved polymeric membranes and their method of manufacture are disclosed. The improved membranes are produced by increasing the draw ratio employed during the manufacture of the membrane. The membranes show at least substantially constant or increased selectivity and mechanical properties as the draw ratio is increased.</p> |
| 申请公布号 |
EP0476866(A1) |
申请公布日期 |
1992.03.25 |
| 申请号 |
EP19910307914 |
申请日期 |
1991.08.29 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY;L'AIR LIQUIDE S.A. |
发明人 |
EKINER, OKAN MAX;VASSILATOS, GEORGE |
| 分类号 |
B01D67/00;B01D69/02;B01D69/08;B01D71/48;B01D71/50;B01D71/56;B01D71/62;B01D71/64;B01D71/68 |
主分类号 |
B01D67/00 |
| 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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