发明名称 Cosmetic composition comprising a dibenzoylmethane derivative and a 2-pyrrolidinone-4-carboxy ester compound; method for the photostabilization of the dibenzoylmethane derivative
摘要 <p>Composition comprises: at least one dibenzoylmethane derivative and at least one 2-pyrrolidinone-4-carboxy ester compound (I) in at least one UV filter system. Composition comprises: at least one dibenzoylmethane derivative and at least one 2-pyrrolidinone-4-carboxy ester compound of formula (I) in at least one UV filter system. R 1>1-20C alkyl; and R 2>1-20C alkyl containing 5-6C ring, phenyl, benzyl or phenethyl. An independent claim is included for improving chemical stability against UV rays of at least one dibenzoylmethane derivative comprising combining (I) to the dibenzoylmethane derivative. [Image].</p>
申请公布号 EP2193782(A1) 申请公布日期 2010.06.09
申请号 EP20090174668 申请日期 2009.10.30
申请人 L'OREAL 发明人 RICHARD, HERVE;MARAT, XAVIER
分类号 A61K8/49;A61K8/35;A61Q17/04 主分类号 A61K8/49
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