| 发明名称 |
PREPARATION OF METHACRYLIC ACID |
| 摘要 |
PURPOSE:A process for preparing methacrylic acid in a high yield by the catalytic oxidation of methacrolein with the molecular oxygen in a gaseous phase in the presence of a catalyst having a specific composition. |
| 申请公布号 |
JPS5291821(A) |
申请公布日期 |
1977.08.02 |
| 申请号 |
JP19760008944 |
申请日期 |
1976.01.29 |
| 申请人 |
SUMITOMO CHEMICAL CO |
发明人 |
SHIRAISHI TATSUO;ICHIHASHI HIROSHI;SHIRAFUJI TAMIO |
| 分类号 |
C07C57/055;B01J27/00;B01J27/18;C07B61/00;C07C51/00;C07C57/04;C07C67/00 |
主分类号 |
C07C57/055 |
| 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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