A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/90 (2006.01) A61Q 1/00 (2006.01) A61Q 3/02 (2006.01) A61Q 5/06 (2006.01) C08F 220/12 (2006.01) C08F 293/00 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2377854
The invention concerns the use in cosmetics of block ethylene copolymers with elastic character comprising at least a rigid having a glass transition temperature (T¿g?) not less than 20 ·C and at least a flexible block having a glass temperature (T¿g?) less than 20 ·C, said copolymers enabling to obtain a film having instantaneous recovery ranging between 5 and 100 %. The invention also concerns cosmetic compositions containing said block ethylene polymers with elastic character.
L'invention concerne l'utilisation dans le domaine cosmétique de copolymères éthyléniques séquencés à caractère élastique comprenant au moins une séquence rigide ayant une température de transition vitreuse (Tg) supérieure ou égale à 20 ~C et au moins une séquence souple ayant une température de transition vitreuse (Tg) inférieure à 20 ~C, lesdits copolymères permettant l'obtention d'un film ayant une recouvrance instantanée comprise entre 5 et 100 %. L'invention concerne également des compositions cosmétiques contenant ces polymères éthyléniques séquencés à caractère élastique.
Mougin Nathalie
L'oreal
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
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