| 发明名称 |
Novel alicyclic polyimide gas separation membranes |
| 摘要 |
This invention relates to novel polyimide gas separation membranes derived from alicyclic dianhydrides and aliphatic, alicyclic, or aromatic diamines, and a process for using such membranes.
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| 申请公布号 |
US4988371(A) |
申请公布日期 |
1991.01.29 |
| 申请号 |
US19890406675 |
申请日期 |
1989.09.12 |
| 申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
JEANES, THOMAS O.;SUMMERS, JOHN D.;SANDERS, JR., EDGAR S. |
| 分类号 |
B01D71/64;C08G73/10 |
主分类号 |
B01D71/64 |
| 代理机构 |
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