5.
    发明专利
    未知

    公开(公告)号:NO20073752L

    公开(公告)日:2007-10-25

    申请号:NO20073752

    申请日:2007-07-19

    Applicant: BASF AG

    Abstract: The method involves introducing the polymer into oil stores. The water-soluble polymer is used in the form of a dispersion of the water-soluble polymer as well as at least one water-soluble polymer stabilizer. The viscosity of the dispersion in the neutral and basic pH region is higher than in the acidic region.

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