74.
    发明专利
    未知

    公开(公告)号:FR2735364B1

    公开(公告)日:1997-08-01

    申请号:FR9507211

    申请日:1995-06-16

    Applicant: OREAL

    Abstract: The use of a photo-convertible carotenoid of formula (I) for the cosmetic treatment of the skin to protect it from photo-ageing, is new. R1, R2 = one of groups of formulae (II) - (IV), at least one of R1 and R2 being a beta -ionone cpd. (II); R3, R4 = H, OH, carboxy, 1-4C alkoxy pref. MeO, or forms a carbonyl group with the ring C atom. Also claimed are cosmetic or dermatological controlled-release compsns. contg. cpds. of formula (I) which may be converted into retinol and retinoic acid or their isomers; in a cosmetically- or dermatologically-acceptable medium.

    76.
    发明专利
    未知

    公开(公告)号:FR2735364A1

    公开(公告)日:1996-12-20

    申请号:FR9507211

    申请日:1995-06-16

    Applicant: OREAL

    Abstract: The use of a photo-convertible carotenoid of formula (I) for the cosmetic treatment of the skin to protect it from photo-ageing, is new. R1, R2 = one of groups of formulae (II) - (IV), at least one of R1 and R2 being a beta -ionone cpd. (II); R3, R4 = H, OH, carboxy, 1-4C alkoxy pref. MeO, or forms a carbonyl group with the ring C atom. Also claimed are cosmetic or dermatological controlled-release compsns. contg. cpds. of formula (I) which may be converted into retinol and retinoic acid or their isomers; in a cosmetically- or dermatologically-acceptable medium.

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