C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/08 (2006.01) A61K 8/02 (2006.01) A61K 8/73 (2006.01) A61K 31/728 (2006.01) A61P 17/00 (2006.01) A61Q 1/04 (2006.01) A61Q 1/06 (2006.01) A61Q 1/08 (2006.01) A61Q 1/10 (2006.01) A61Q 5/00 (2006.01) A61Q 5/02 (2006.01) A61Q 19/00 (2006.01) A61Q 19/02 (2006.01) A61Q 19/10 (2006.01)
Patent
CA 2350403
Disclosed are propylene glycol hyaluronate esters having an esterification degree of 10-90 % and a limiting viscosity of 3-35 dL/g as well as skin conditioning methods, moisturizing methods and emulsifying methods using said propylene glycol hyaluronate esters. Propylene glycol hyaluronate esters of the present invention are compounds showing excellent viscosity stability in low-pH systems and canon-containing systems and also showing high emulsifiability, hydration power and moisturizing effect.
Asai Michiki
Hirai Hideki
Gowling Lafleur Henderson Llp
Kibun Food Chemifa Co. Ltd.
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