| 发明名称 |
Method of purifying hexafluoropropylene oxide |
| 摘要 |
A process for a separation of hexafluoropropylene oxide from hexafluoropropylene by an extractive distillation in the presence of a normally liquid inert compound such as 1,2-dichloroethane, monochlorobenzene, di-isopropyl ether and 1,1,2-trichloroethane.
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| 申请公布号 |
US4134796(A) |
申请公布日期 |
1979.01.16 |
| 申请号 |
US19770852497 |
申请日期 |
1977.11.17 |
| 申请人 |
ASAHI GLASS COMPANY LTD. |
发明人 |
ODA, YOSHIO;UCHIDA, KEIICHI;MORIKAWA, SHINSUKE |
| 分类号 |
C07D303/48;(IPC1-7):B01D3/40;C07D301/32 |
主分类号 |
C07D303/48 |
| 代理机构 |
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| 主权项 |
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