| 发明名称 |
Process for producing (meth)acrylic acid |
| 摘要 |
<p>A process for producing (meth)acrylic acid by gas-phase catalytic oxidation, which process comprises cooling and condensing a (meth)acrylic acid-containing reaction product gas to obtain a crude aqueous (meth)acrylic acid solution; cooling the aqueous solution to deposit the impurities contained therein.</p> |
| 申请公布号 |
EP0847978(A1) |
申请公布日期 |
1998.06.17 |
| 申请号 |
EP19970310158 |
申请日期 |
1997.12.16 |
| 申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
HARAMAKI, HIDEFUMI;DODO, OSAMU;TAKAMURA, MAMORU |
| 分类号 |
C07C57/07;C07C51/42;(IPC1-7):C07C51/42;C07C57/04 |
主分类号 |
C07C57/07 |
| 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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