| 发明名称 |
CATALYST COMPOSITION |
| 摘要 |
PURPOSE:To decrease production rate of by-products monocarboxylic acids by oxidizing 4 or more C hydrocarbons in the presence of a special catalyst containing oxides of V, P, and S so as to obtain unsaturated dicarboxylic anhydrides with high reaction yield. |
| 申请公布号 |
JPS52129693(A) |
申请公布日期 |
1977.10.31 |
| 申请号 |
JP19760046734 |
申请日期 |
1976.04.23 |
| 申请人 |
TAKEDA CHEMICAL INDUSTRIES LTD |
发明人 |
KOOTANI ITSUO;OONISHI KUNJI;MORIKA KOUJI |
| 分类号 |
C07D307/60;B01J23/22;B01J23/34;B01J23/74;B01J27/16;B01J27/198;C07B61/00;C07D307/89 |
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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