2.
    发明专利
    未知

    公开(公告)号:DE19958702B4

    公开(公告)日:2007-06-28

    申请号:DE19958702

    申请日:1999-12-06

    Applicant: BASF AG

    Abstract: Polyurethane foam (I) for the adsorption of heavy metal ions prepared by reaction of polyisocyanates with compounds having at least two hydrogen atoms reactive to isocyanates in the presence of devitalen algal material (DAM), or extraction residues from this material, is new. An Independent claim is included for preparation of (I).

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