C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 309/34 (2006.01) A61K 8/49 (2006.01) A61K 31/351 (2006.01) A61K 31/44 (2006.01) A61Q 17/04 (2006.01) C07D 213/06 (2006.01)
Patent
CA 2473228
1,4-dihydropyridine and 1,4-dihydropyrane derivatives and novel cosmetic or dermatological sunscreen compositions containing novel and/or known 1,4- dihydropyridine or 1,4-dihydropyrane derivatives which are useful for photoprotecting human skin and/or hair against UV radiation, in particular solar radiation, and the use of such 1,4-dihydropyridine and/or 1,4- dihydropyrane derivatives as UV-A screening agents, particularly in cosmetic and pharmaceutical compositions.
La présente invention concerne des dérivés 1,4-dihydropyridine et 1,4-dihydropyrane ainsi que de nouvelles compositions cosmétiques et dermatologiques antisolaires contenant les dérivés 1,4- dihydropyridine ou 1,4-dihydropyrane nouveaux et/ou connus, qui sont utiles, chez l'homme, pour protéger la peau et/ou la chevelure de la lumière des rayonnements ultraviolets (UV), plus particulièrement du rayonnement solaire et l'utilisation de ces dérivés 1,4-dihydropyridine et/ou 1,4-dihydropyrane en tant qu'agents filtrant les UV-A, notamment dans des compositions cosmétiques et pharmaceutiques.
Dsm Ip Assets B.v.
Smart & Biggar
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