发明名称 |
Fluorination catalyst and fluorination process |
摘要 |
A fluorination catalyst comprising indium, chromium, oxygen and fluorine as essential constituent elements thereof. The catalyst is prepared by fluorinating a catalyst precursor comprising indium and chromium elements by bringing it into contact with hydrogen fluoride or a fluorine-containing halogenated hydrocarbon at a temperature of 300 DEG to 500 DEG C. A halogenated hydrocarbon is fluorinated by bringing it into contact with hydrogen fluoride in a gaseous phase in the presence of the catalyst.
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申请公布号 |
US5494876(A) |
申请公布日期 |
1996.02.27 |
申请号 |
US19940262496 |
申请日期 |
1994.06.20 |
申请人 |
SHOWA DENKO K.K. |
发明人 |
TSUJI, KATSUYUKI;OSHIRO, KIMITAKA;NAKAJO, TETSUO |
分类号 |
B01J23/26;B01J27/12;B01J27/132;C07C17/20;(IPC1-7):B01J27/06;B01J27/125 |
主分类号 |
B01J23/26 |
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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