1.
    发明专利
    未知

    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

    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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