| 发明名称 |
Process for removing olefinic impurities from 2H-heptafluoropropane (R 227) |
| 摘要 |
Process for removing olefinic impurities from 2H-heptafluoropropane (R 227). The invention relates to a process for removing olefinic impurities from 2H-heptafluoropropane (R 227) by passing the contaminated R 227 in the gas phase at from -20 DEG to 100 DEG C. over aluminum oxide.
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| 申请公布号 |
US5621152(A) |
申请公布日期 |
1997.04.15 |
| 申请号 |
US19960616483 |
申请日期 |
1996.03.19 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
JANSEN, ROLF-MICHAEL;HOPP, PETER |
| 分类号 |
C07C17/395;C07C17/389;C07C19/08;(IPC1-7):C07C17/38 |
主分类号 |
C07C17/395 |
| 代理机构 |
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