58.
    发明专利
    未知

    公开(公告)号:AT335026T

    公开(公告)日:2006-08-15

    申请号:AT02803004

    申请日:2002-11-11

    Applicant: BASF AG

    Abstract: Graft polymers containing (A) a polymeric grafting base devoid of monoethylenically unsaturated units, and (B) polymeric side chains formed from copolymers of two different monoethylenically unsaturated monomers (B1) and (B2) which each contain at least one nitrogeneous heterocycle, wherein said side chains (B) account for from 35 to 55% by weight of the total polymer.

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