46.
    发明专利
    未知

    公开(公告)号:DE59302738D1

    公开(公告)日:1996-07-04

    申请号:DE59302738

    申请日:1993-10-15

    Applicant: BASF AG

    Abstract: The invention relates to a method of passivating metal pigments with respect to compounds containing hydroxyl groups, which is characterized in that the metal pigments are treated in the gas phase with passivating compounds. The procedure of the invention enables highly effective passivation to be achieved simply.

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