C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 7/21 (2006.01) A61K 8/58 (2006.01) A61K 8/896 (2006.01) A61Q 17/04 (2006.01) C07F 7/08 (2006.01) C07F 7/10 (2006.01) C07F 7/18 (2006.01) C08G 77/26 (2006.01) C08G 77/388 (2006.01) A61K 7/42 (1995.01)
Patent
CA 2162330
This invention involves new compounds of short-chain, straight-chain and round-chain diorganosiloxanes or triorganosilanes, all of which are characterized by having at least one acrylate- or acrylamide-function benzotriazole moiety, these compounds being particularly useful as organic sunscreens in cosmetic formulations developed to protect skin and hair against ultraviolet radiation (UV-A and UV-B). The invention also involves the use of these compounds in the above-mentioned cosmetic application, as well as the improved cosmetic formulations containing them.
L'invention concerne de nouveaux composés du type diorganosiloxanes à chaines courtes, linéaires ou cycliques, ou du type triorganosilanes, présentantpour caractéristique commune d'avoir tous au moins un motif benzotriazole à fonction acrylate ou acrylamide, ces composés étant plus particulièrement utilisables à titre de filtres organiques solaires dans des compositions cosmétiques destinées à la protection de la peau et des cheveux contre le rayonnement ultraviolet (UV-A et UV-B). L'invention concerne également l'utilisation desdits composés dans l'application cosmétique susmentionnée, ainsi que les compositions cosmétiques à propriétés améliorées les contenant.
Lagrange Alain
Leduc Madeleine
Richard Herve
L'oreal
Robic
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