| 发明名称 |
MULTILAYER MEMBRANE AND PROCESS OF MANUFACTURING THE SAME |
| 摘要 |
MULTILAYER MEMBRANE AND PROCESS OF MANUFACTURING IT A multilayer membrane is described, which is composed of a carrier layer, a porous supporting layer and a separating layer. The separating layer is nonporous and consists of a polyvinyl alcohol which is modified with 5 to 20% by weight of a polyvinyl ester or a polyvinyl ether.
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| 申请公布号 |
CA2047782(A1) |
申请公布日期 |
1992.02.03 |
| 申请号 |
CA19912047782 |
申请日期 |
1991.07.24 |
| 申请人 |
METALLGESELLSCHAFT AKTIENGESELLSCHAFT |
发明人 |
HANEL, PETER;HELMRICH, HARALD |
| 分类号 |
B01D67/00;B01D69/12;B01D71/38;(IPC1-7):B01D69/10;B32B27/08 |
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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