3.
    发明专利
    未知

    公开(公告)号:DE60229460D1

    公开(公告)日:2008-12-04

    申请号:DE60229460

    申请日:2002-03-01

    Applicant: KAO CORP

    Abstract: The present invention relates to a composition for external application, containing a diamide derivative represented by the following formula (1) : (wherein R 1a and R 1b are the same or different and each represents a C 1-23 hydrocarbon group, R 2a and R 2b are the same or different and each represents a divalent C 1-6 hydrocarbon group, R 3 s are the same or different and each represents a divalent C 2-6 hydrocarbon group and n stands for 1 to 100). The composition for external application basically improves the water retaining ability and barrier functions of the horny layer, is excellent in miscibility and mixing stability and can be prepared efficiently at a low cost.

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