| 发明名称 |
Acetophenone purification |
| 摘要 |
Purification of acetophenone containing difficultly separable impurities by extractive distillation with a solvent selected from the group consisting of oligomers of 1,2-glycols, said oligomers having from 4 to 9 carbon atoms per molecule.
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| 申请公布号 |
US4433173(A) |
申请公布日期 |
1984.02.21 |
| 申请号 |
US19820384317 |
申请日期 |
1982.06.02 |
| 申请人 |
ATLANTIC RICHFIELD COMPANY |
发明人 |
GUPTA, VIJAI P.;MELPOLDER, FRANK W.;MAMENISKIS, WALTER A. |
| 分类号 |
C07C45/83;(IPC1-7):C07C45/83 |
主分类号 |
C07C45/83 |
| 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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