发明名称 |
Fremstilling af difluormethan |
摘要 |
<p>A process for the production of difluoromethane which comprises reacting a compound of formula XYCF2 wherein X and Y are each H, Cl or Br but at least one of X and Y is an atom other than hydrogen, and in particular chlorodifluoromethane, with hydrogen at elevated temperature in the presence of a hydrogenation catalyst, in particular a catalyst comprising palladium carried on an active carbon support.</p> |
申请公布号 |
DK0508660(T3) |
申请公布日期 |
1995.07.10 |
申请号 |
DK19920302785T |
申请日期 |
1992.03.30 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
MOORE, GEOFFREY JAMES;OKELL, JENNY |
分类号 |
B01J23/44;C07B61/00;C07C17/00;C07C17/23;C07C17/389;C07C19/08;(IPC1-7):C07C17/00;C07C17/38 |
主分类号 |
B01J23/44 |
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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