| 发明名称 |
PROCESS FOR THE PURIFICATION OF CHLOROFLUOROHYDROCARBONS |
| 摘要 |
The invention relates to a process for removing olefinic impurities from hydrogen-containing chlorofluorohydrocarbons (HCFCs) in which the contaminated HCFCs are passed in the gas phase at 200 DEG to 400 DEG C. over a zeolite.
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| 申请公布号 |
US5233107(A) |
申请公布日期 |
1993.08.03 |
| 申请号 |
US19920872783 |
申请日期 |
1992.04.28 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
JANSEN, ROLF-MICHAEL |
| 分类号 |
B01J20/18;C07B63/00;C07C17/38;C07C17/389;C07C17/395;C07C19/08;C07C19/10 |
主分类号 |
B01J20/18 |
| 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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