发明名称 |
Preparation of glyoxal from ethylene glycol |
摘要 |
A process for the preparation of glyoxal by vapor phase oxidation of ethylene glycol with oxygen over a copper-containing oxidation catalyst at an elevated temperature and in the presence of a phosphorus compound which is volatile under the reaction conditions, the amount of phosphorus (calculated as P) being from 1 to 100 ppm, based on the weight of ethylene glycol.
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申请公布号 |
US4282374(A) |
申请公布日期 |
1981.08.04 |
申请号 |
US19790054871 |
申请日期 |
1979.07.05 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
ENGELBACH, HEINZ;SPRAGUE, MICHAEL J. |
分类号 |
C07C47/127;B01J23/00;B01J27/00;C07B61/00;C07C45/00;C07C45/38;C07C67/00;(IPC1-7):C07C45/65 |
主分类号 |
C07C47/127 |
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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