| 发明名称 |
PREPARATION OF METHACRYLIC ACID |
| 摘要 |
PURPOSE:To prepare methacrylic acid in high yield by oxidative dehydrogenation of isobutyric acid in gaseous phase in the presence of multi-component oxide catalyst containing specific elements such as Mo, P, Cr, etc. |
| 申请公布号 |
JPS52105113(A) |
申请公布日期 |
1977.09.03 |
| 申请号 |
JP19760021947 |
申请日期 |
1976.03.01 |
| 申请人 |
MITSUBISHI CHEM IND |
发明人 |
ONODA TAKESHI;OOTAKE MASAYUKI |
| 分类号 |
C07C57/05;B01J27/00;B01J27/18;C07B61/00;C07C51/00;C07C57/04;C07C67/00 |
主分类号 |
C07C57/05 |
| 代理机构 |
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