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    1.
    发明专利
    未知

    公开(公告)号：DE3581815D1

    公开(公告)日：1991-04-04

    申请号：DE3581815

    申请日：1985-03-05

    Applicant: KAO CORP

    Inventor： NAKAMURA KOICHI ,  HATTORI MICHIHIRO ,  TAMURA TADASHI ,  TEJIMA TOHRU ,  TAKAISHI NOATAKE ,  IMOKAWA GENJI

    IPC: A61K8/00 ,  A61K8/33 ,  A61K8/36 ,  A61K8/368 ,  A61K8/37 ,  A61K8/39 ,  A61Q1/00 ,  A61Q1/02 ,  A61Q1/04 ,  A61Q1/06 ,  A61Q1/12 ,  A61Q17/04 ,  A61Q19/08 ,  C07C65/34 ,  C07C65/40 ,  C09K3/00 ,  A61K7/44

    Abstract: A composition for application to the skin to protect the skin from the long wavelength ultraviolet ray comprises a dibenzoylmethane derivative of the following general formulain which X represents a hydrogen atom, a monovalent metal cation, an organic cation, a linear or branched alkyl group having from 1 to 24 carbon atoms, or a polyoxyalkylene oxide having 2 or 3 carbon atoms, each Y and each Z independently represent a hydroxyl group, a linear or branched alkyl group having from 1 to 24 carbon atoms, or an alkoxy group having from 1 to 24 carbon atoms, or a polyoxyalkylene oxide group having from 2 to 3 carbon atoms, and m and n are independently an integer of from 0 to 3.The composition is adjustable so as to have an optimum HLB balance and has good compatibility with various cosmetic bases. Further, it does not irritate the skin, is difficult to be percutaneously absorbed and shows continued skin-protecting effects.

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