发明名称 |
Method for producing acrylic acid |
摘要 |
A process for the fractional condensation of a hot gas mixture which as well as acrylic acid contains at least one further condensable component in a column in the presence of at least one stabilizer comprises metering in at least a portion of the at least one stabilizer as a melt.
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申请公布号 |
US7109328(B2) |
申请公布日期 |
2006.09.19 |
申请号 |
US20040500009 |
申请日期 |
2004.06.23 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HAMMON ULRICH;SCHROEDER JUERGEN |
分类号 |
C07D279/18;C07C51/42;C07C51/44;C07C51/50;C07C57/02;C07C57/075;C07C67/62 |
主分类号 |
C07D279/18 |
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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