| 发明名称 |
MEMBRANES |
| 摘要 |
<p>An asymetric membrane which comprises an at least partially crystalline aromatic ether ketone polymer may be prepared by contacting a solution of the polymer in a strong acid in a suitable shape with a non-solvent for the polymer.</p> |
| 申请公布号 |
IE900235(L) |
申请公布日期 |
1990.07.26 |
| 申请号 |
IE19900000235 |
申请日期 |
1990.01.22 |
| 申请人 |
NATIONAL RESEARCH COUNCIL OF CANADA, |
发明人 |
|
| 分类号 |
B01D61/02;B01D61/14;B01D61/36;B01D71/52;C08J5/18;C08J9/28;(IPC1-7):B01D53/22;B01D61/00;B01D71/06;B01D67/00 |
主分类号 |
B01D61/02 |
| 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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