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.
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
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