41.
    发明专利
    未知

    公开(公告)号:AT219626T

    公开(公告)日:2002-07-15

    申请号:AT98924139

    申请日:1998-04-17

    Applicant: BASF AG

    Abstract: A process for preparing liquid iodophores with poly-N-vinyllactams and dextrins as carrier materials, which comprises heating a mixture of the carrier materials, iodine and iodide ions or, in place of the iodide ions, a reducing agent in aqueous medium in the presence of a monohydric or polyhydric alcohol having 1 to 6 carbon atoms at from 40 to 100° C.

    45.
    发明专利
    未知

    公开(公告)号:DE19920944A1

    公开(公告)日:2000-11-09

    申请号:DE19920944

    申请日:1999-05-07

    Applicant: BASF AG

    Abstract: The invention relates to insoluble popcorn polymers that are only slightly capable of swelling and that contain a) 50 to 99 wt. % of styrene and/or at least one monounsaturated styrene derivative; b) 0.1 to 40 wt. % of at least one N-vinyl lactam or N-vinyl amine and c) 0.1 to 10 wt. % of at least one bifunctional cross-linking component, whereby the wt. % indications of the individual components a) to c) add up to 100 %.

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