C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/06 (2006.01)
Patent
CA 2283517
The invention relates to the use of low molecular oligomer esters of .alpha.- hydroxy acids and/or aromatic o-hydroxy acids in cosmetic formulations, wherein the corresponding .alpha.-hydroxy acid and/or aromatic o-hydroxy acid is controllably released by hydrolysis during use.
L'invention concerne l'utilisation d'esters oligomères, de faible poids moléculaire, d'acides .alpha.-hydroxyliques et/ou d'acides o-hydroxyliques aromatiques dans des formulations cosmétiques, l'acide .alpha.-hydroxylique et/ou l'acide o-hydroxylique aromatique correspondants étant libérés de manière contrôlée par hydrolyse pendant l'utilisation.
Nies Berthold
Ritter Wolfgang
Fetherstonhaugh & Co.
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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