发明名称 |
PROCESS FOR PREPARING FLUORINATION CATALYST |
摘要 |
A process for preparing a fluorination catalyst chromium oxyfluoride which comprises subjecting chromium fluoride to heat treatment at a temperature from 300 DEG to 420 DEG C. in the presence of oxygen and then subjecting the resulting product to heat treatment at a temperature from 500 DEG to 700 DEG C. in the absence of an active gas.
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申请公布号 |
US3673113(A) |
申请公布日期 |
1972.06.27 |
申请号 |
USD3673113 |
申请日期 |
1970.12.30 |
申请人 |
DAIKIN KOGYO CO. LTD. |
发明人 |
DAIJI NAITO;SHIGEYOSHI OGAWA |
分类号 |
B01J23/26;C07C17/20;(IPC1-7):B01J11/78 |
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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