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公开(公告)号:DE4129802A1
公开(公告)日:1993-03-11
申请号:DE4129802
申请日:1991-09-07
Applicant: BASF AG
Inventor: KERMER WOLF-DIETER DR , STEENKEN-RICHTER INGRID DR , PAULIG JUERGEN
IPC: C02F1/26
Abstract: Process for separating off metal complex dyestuffs, which are free from reactive groups and contain at least one hydroxysulphonyl group, from waste waters by means of amines which contain at least 6 carbon atoms, possibly in the presence of water-immiscible inert organic solvents.
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公开(公告)号:DE2504929A1
公开(公告)日:1976-08-19
申请号:DE2504929
申请日:1975-02-06
Applicant: BASF AG
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