The invention relates to reduction of a MEHQ (methoxyhydroquinone) content in acrylic acid or in the salts thereof by absorption on activated charcoal. In particular, MEHQ is eliminated from a totally or partially neutralised acrylic acid.
申请公布号
WO2004052819(A3)
申请公布日期
2004.08.05
申请号
WO2003EP13621
申请日期
2003.12.03
申请人
BASF AKTIENGESELLSCHAFT;BENNETT, ANDREA, KAREN;CIPRIAN, JUERGEN;ELLIOT, MARK;EXNER, KAI MICHAEL
发明人
BENNETT, ANDREA, KAREN;CIPRIAN, JUERGEN;ELLIOT, MARK;EXNER, KAI MICHAEL
