| 发明名称 |
PROCESS FOR THE REMOVAL OF OLEFINIC IMPURITIES FROM 1,1,1,2,3,3,3-HEPTAFLUOROPROPANE |
| 摘要 |
The invention relates to a process for the removal of olefinic impurities from 1,1,1,2,3,3,3-heptafluoropropane (R 227) in which the contaminated R 227 is brought into contact with an alcohol and a base, and the R 227 is simultaneously or subsequently removed by distillation.
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| 申请公布号 |
CA2068128(A1) |
申请公布日期 |
1992.11.09 |
| 申请号 |
CA19922068128 |
申请日期 |
1992.05.07 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
HOPP, PETER;JANSEN, ROLF-MICHAEL |
| 分类号 |
C07C17/38;C07C17/395;C07C19/08;(IPC1-7):C07C19/08 |
主分类号 |
C07C17/38 |
| 代理机构 |
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