| 发明名称 |
Catalyst for producing methacrylic acid |
| 摘要 |
This invention relates to a process and catalyst for producing methacrylic acid by the oxidation of methacrolein. More specifically, it relates to a process for producing methacrylic acid from methacrolein by oxidizing the same with molecular oxygen or molecular oxygen-containing gas, which is characterized by the use of a composition, as a catalyst, having a heteropolyacid structure and the general formula:
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| 申请公布号 |
US4172051(A) |
申请公布日期 |
1979.10.23 |
| 申请号 |
US19770826185 |
申请日期 |
1977.08.19 |
| 申请人 |
NIPPON KAYAKU K K |
发明人 |
MATSUMOTO, MUTSUMI;SUDO, ATSUSHI;SUGI, HIDEKI |
| 分类号 |
B01J23/16;B01J23/00;B01J23/28;B01J23/887;B01J27/00;B01J27/14;B01J27/199;C07B61/00;C07C51/00;C07C51/25;C07C57/04;C07C57/055;C07C67/00;(IPC1-7):B01J27/14;C07C51/24 |
主分类号 |
B01J23/16 |
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