A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/58 (2006.01) A61Q 5/00 (2006.01) A61Q 15/00 (2006.01) A61Q 17/04 (2006.01) A61Q 19/00 (2006.01)
Patent
CA 2746080
A cosmetic composition includes comprising a blend of cycloalkylmethicones comprising at least two different cycloalkylmethicones having general formula I: (I) where R1 is a hydrocarbon radical containing about 2 to about 4 carbon atoms; R2, R3, R4, R5, and R6 are independently selected from the group consisting of a hydrocarbon radical containing about 1 to about 4 carbon atoms; a is a positive number between 0 < a < 5; b and c are independently selected from 0 to 5 wherein (a + b + c) < 5; and wherein the rates of evaporation of the composition as measured in accordance with Standard DIN 53249 test is from about 80% to about 99% by weight loss in about 200 to about 6000 minutes, more preferably in about 200 to about 1000 minutes, and even more preferably in about 200 to about 500 minutes.
L'invention porte sur une composition cosmétique qui comprend un mélange de cycloalkylméthicones comprenant au moins deux différentes cycloalkylméthicones ayant la formule générale (I) : (I) où R1 est un radical hydrocarboné contenant environ 2 à environ 4 atomes de carbone; R2, R3, R4, R5 et R6 sont choisis indépendamment dans le groupe constitué par un radical hydrocarboné contenant environ 1 à environ 4 atomes de carbone; a est un nombre positif entre 0 < a < 5; b et c sont choisis indépendamment de 0 à 5 où (a + b + c) = 5; et où les taux d'évaporation de la composition tels que mesurés conformément au test de la norme DIN 53249 sont d'environ 80 % à environ 99 % en poids de perte en environ 200 à environ 6 000 minutes, de façon davantage préférée en environ 200 à environ 1 000 minutes, et de façon encore plus préférée en environ 200 à environ 500 minutes.
Gowling Lafleur Henderson Llp
Momentive Performance Materials Inc.
LandOfFree
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