申请人:L'Oreal S.A.
公开号:US06780888B1
公开(公告)日:2004-08-24
The invention concerns novel silicon compounds derived from ascorbic acid consisting of a silicon-containing chain or of silanes, comprising at least a radical A of formula (I) wherein: at least one of the radicals L is a divalent radical for fixing A on the silicon chain. The invention further concerns methods for preparing said compounds, compositions, in particular cosmetic or pharmaceutical, containing them, and their use as antioxidant and/or anti-free radical agent, particularly for treating oxidant stress, for treating the effects of exposure to the sun and for preventing ageing.
这项发明涉及从抗坏血酸衍生的新型硅化合物,包括含硅链或硅烷的化合物,至少包括式(I)的基团A,其中:基团L中至少有一个是用于将A固定在硅链上的二价基团。该发明还涉及制备所述化合物的方法,包含它们的组合物,特别是化妆品或药用品,以及它们作为抗氧化剂和/或抗自由基剂的用途,特别用于治疗氧化应激,治疗暴露于阳光下的影响以及预防衰老。