| 发明名称 |
PREPARATION OF UNSAUTRATED CARBOXYLIC ACIDS |
| 摘要 |
PURPOSE:Acrylic acid or methacrylic acid is prepared in high yield and high selectivity by the gas-phase oxidation of acrolein or methacrolein with molecular oxygen at high temperature in the presence of a specific catalyst having satisfactory high activity, selectivity and life. |
| 申请公布号 |
JPS5268121(A) |
申请公布日期 |
1977.06.06 |
| 申请号 |
JP19750144133 |
申请日期 |
1975.12.03 |
| 申请人 |
MITSUBISHI RAYON CO |
发明人 |
ISHII KAZUHIRO;MATSUZAWA HIDEO;KOBAYASHI MASAO;ISHII HIROMICHI |
| 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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