C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/08 (2006.01) A61K 8/60 (2006.01) A61K 8/73 (2006.01) A61K 47/36 (2006.01) A61Q 1/00 (2006.01) A61Q 5/00 (2006.01) A61Q 19/00 (2006.01) A61Q 19/02 (2006.01) B01F 17/56 (2006.01)
Patent
CA 2665690
Disclosed is a propylene glycol hyaluronate ester having an esterification degree of 10-90% and a limiting viscosity of less than 3 dL/g. This propylene glycol hyaluronate ester has an excellent percutaneous absorption promoting activity, and is widely applicable as a cosmetic preparation or a pharmaceutical product.
L'invention concerne un ester hyaluronate de propylèneglycol ayant un degré d'estérification de 10-90 % et une viscosité limite inférieure à 3 dl/g. Cet ester hyaluronate de propylèneglycol présente une excellente activité d'activation de l'absorption percutanée, et trouve de larges applications dans les préparations cosmétiques ou les produits pharmaceutiques.
Hirai Hideki
Murata Katsumi
Nozawa Takashi
Watanabe Makoto
Gowling Lafleur Henderson Llp
Kibun Food Chemifa Co. Ltd.
Kikkoman Biochemifa Company
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