发明名称 |
Method for producing acrylic acid |
摘要 |
The objective of the present invention is to provide method for acrylic acid in which a generation of polymerized substance is prevented while acrylic acid is stored in a storage tank. A method of the present invention for producing acrylic acid, comprising storing acrylic acid in a storage tank, wherein a process liquid containing 50 mass % or more of acrylic acid is subjected to at least one filtering operation at 15 to 70° C. when the process liquid is supplied to the storage tank.
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申请公布号 |
US7381839(B2) |
申请公布日期 |
2008.06.03 |
申请号 |
US20070655063 |
申请日期 |
2007.01.19 |
申请人 |
NIPPON SHOKUBAI CO., LTD. |
发明人 |
UENO KOJI;ISHII YOSHITAKE |
分类号 |
C07C51/42;C07C57/02 |
主分类号 |
C07C51/42 |
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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