81.
    发明专利
    未知

    公开(公告)号:TR200402084T4

    公开(公告)日:2004-10-21

    申请号:TR200402084

    申请日:2001-09-29

    Applicant: BASF AG

    Abstract: The present invention relates to water-soluble or water-dispersible copolymers obtainable by free-radical polymerization of a) 80 to 20% by weight of hydroxy-C 1 -C 6 -alkyl (meth)acrylate and, where appropriate, one or more compounds of the formula (A) or (B) with R 1 =H, C 1 -C 6 -alkyl, R 2 =H, CH 3 R 3 =C 1 -C 24 -alkyl or mixtures thereof in the presence of b) 20 to 80% by weight of polyvinyl alcohol (PVA) and c) where appropriate 0 to 20% by weight of other polymerizable compounds (C), a process for their preparation, and their use as coating agent, binder and/or film-forming excipient in pharmaceutical dosage forms.

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