1.
    发明专利
    未知

    公开(公告)号:AT406391T

    公开(公告)日:2008-09-15

    申请号:AT04804379

    申请日:2004-12-29

    Applicant: BASF SE

    Abstract: A process is described for preparing polyisobutene having a low halogen content, in which isobutene is polymerized in the presence of a catalyst which comprises a halogenated Lewis acid, the catalyst is removed and/or deactivated, and the resulting polyisobutene is contacted with a zeolite of an average pore size of from 5 to 15 Å.

    2.
    发明专利
    未知

    公开(公告)号:DE502004007960D1

    公开(公告)日:2008-10-09

    申请号:DE502004007960

    申请日:2004-12-29

    Applicant: BASF SE

    Abstract: A process is described for preparing polyisobutene having a low halogen content, in which isobutene is polymerized in the presence of a catalyst which comprises a halogenated Lewis acid, the catalyst is removed and/or deactivated, and the resulting polyisobutene is contacted with a zeolite of an average pore size of from 5 to 15 Å.

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