| 发明名称 |
PROCESS FOR METHACRYLIC ACID |
| 摘要 |
PURPOSE:Methacrylic acid is prepared in high yield for an extended period by the gas-phase reaction of methacrolein with molecular oxygen of specific concentration in the presence of catalysts containing phosphorus molybdate salt. |
| 申请公布号 |
JPS5257117(A) |
申请公布日期 |
1977.05.11 |
| 申请号 |
JP19750132998 |
申请日期 |
1975.11.07 |
| 申请人 |
ASAHI GLASS CO LTD |
发明人 |
ODA YOSHIO;UCHIDA KEIICHI;MORIMOTO TAKESHI;KUMAI SEISAKU |
| 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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