发明名称 |
Oxidation of substituted p-xylenes to substituted terephthalaldehydes |
摘要 |
Substituted terephthalaldehydes are produced by the vapor phase oxidation of similarly substituted p-xylenes in the presence of a catalyst mixture of tungsten in the form of an oxide or silicotungstic acid, molybdenum in the form of an oxide and optionally bismuth in the form of an oxide.
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申请公布号 |
US4140722(A) |
申请公布日期 |
1979.02.20 |
申请号 |
US19770779432 |
申请日期 |
1977.03.21 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
WILLIAMS, JAMES E.;SIMMONS, KENNETH E. |
分类号 |
B01J23/31;B01J37/02;C07C45/36;(IPC1-7):C07C45/02 |
主分类号 |
B01J23/31 |
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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