| 发明名称 |
PRODUCTION OF DIFLUOROMETHANE |
| 摘要 |
A process for the production of difluoromethane comprising contacting dichloromethane with hydrogen fluoride in the presence of a fluorination catalyst comprising zinc or a compound of zinc and a metal oxid e, fluoride or oxyfluoride.
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| 申请公布号 |
CA2157878(C) |
申请公布日期 |
2005.03.01 |
| 申请号 |
CA19942157878 |
申请日期 |
1994.03.14 |
| 申请人 |
IMPERIAL CHEMICAL INDUSTRIES PLC |
发明人 |
SCOTT, JOHN DAVID;WATSON, MICHAEL JOHN;BONNIFACE, DAVID WILLIAM |
| 分类号 |
B01J21/04;B01J23/06;B01J23/20;B01J23/62;B01J23/70;B01J27/12;C07B61/00;C07C17/20;C07C19/08;(IPC1-7):C07C19/08 |
主分类号 |
B01J21/04 |
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