| 发明名称 |
PREPARATION OF MALEIC ANHYDRIDE |
| 摘要 |
PURPOSE:A process for preparing maleic anhydride by the gaseous oxidation of unsaturated hydrocarbons under supplying a phosphorous compound into the reaction system, capable of reacting continuously under maintaining the initial high activity of a phosphorus-vanadium-oxygen catlayst. |
| 申请公布号 |
JPS5283416(A) |
申请公布日期 |
1977.07.12 |
| 申请号 |
JP19750159521 |
申请日期 |
1975.12.29 |
| 申请人 |
MITSUBISHI CHEM IND |
发明人 |
KOIKE SAKAE;AKIYAMA TSUNEKAZU;IWANAMI KAZUHIRO;KOZUKA TOSHIO |
| 分类号 |
C07D307/60;B01J27/00;B01J27/18;C07B61/00 |
主分类号 |
C07D307/60 |
| 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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