| 发明名称 |
Polyurea membrane and its use for aromatics/non-aromatics separations. |
| 摘要 |
<p>Membranes made from polyurea polymer are efficient aromatic/non-aromatic separation membranes. They may be used under pervaporation or perstraction conditions. Such separations are particularly useful for naphtha upgrading and in the chemicals industry.</p> |
| 申请公布号 |
EP0312376(A2) |
申请公布日期 |
1989.04.19 |
| 申请号 |
EP19880309633 |
申请日期 |
1988.10.14 |
| 申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
SCHUCKER, ROBERT CHARLES |
| 分类号 |
B01D61/36;C07C7/144;B01D71/54;C07B31/00;C07B63/00;C07C1/00;C07C9/00;C07C15/00;C07C67/00;C08G18/28;C08G18/32;C08G18/38;C10G31/11;D01F6/72 |
主分类号 |
B01D61/36 |
| 代理机构 |
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代理人 |
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| 地址 |
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