Sunscreen agents

Details Sunscreen agents Sunscreen agents

C - Chemistry, Metallurgy

07

F

C07F 1/08 (2006.01) A61K 8/19 (2006.01) A61K 8/27 (2006.01) A61K 31/30 (2006.01) A61K 31/315 (2006.01) A61Q 17/04 (2006.01) C07F 3/06 (2006.01)

Patent

CA 2166467

Hydroxy salts of the formula [M(OH)2-a)]a+ X b- a/b . zH2O, where M is zinc, copper or a mixture of the two and X denotes anions at least some of which display ultraviolet absorption over at least a portion of the wavelength range from 290 to 400 nanometres, their use as sunscreen agents and sunscreen compositions comprising them together with a cosmetically acceptable vehicle.

Sels hydroxyles de la formule [M(OH)(2-4)]a+ X<b->a/b . zH2O, dans laquelle M représente zinc, cuivre ou un mélange des deux et X représente des anions dont au moins une partie présente une absorption des rayons ultraviolets sur au moins une partie de la plage de longueurs d'ondes comprise entre 290 et 400 nanomètres. Leur utilisation comme agents antisolaires et des compositions antisolaires comprenant ces sels ainsi qu'un excipient d'un usage cosmétique acceptable sont également décrites.

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