| 发明名称 |
Lower alkylene oxide purification. |
| 摘要 |
<p>A method is provided for the separation by extractive distillation of hydrocarbon impurities from lower alkylene oxides such as propylene oxide wherein a mixture of t-butyl alcohol and water is used as extractive distillation solvent.</p> |
| 申请公布号 |
EP0453084(A1) |
申请公布日期 |
1991.10.23 |
| 申请号 |
EP19910302061 |
申请日期 |
1991.03.12 |
| 申请人 |
ARCO CHEMICAL TECHNOLOGY INC. |
发明人 |
SHIH, T. THOMAS;SIM, WILLIAM J. |
| 分类号 |
B01D3/40;C07D301/32;C07D303/04 |
主分类号 |
B01D3/40 |
| 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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