Patent ID: 8907145
Filing Date: 2014-12-09
Classification: A61K,C09K

Abstract:
1. An aerosol dispensing system comprising a sealed container equipped with an aerosol dispensing valve and a propellant, wherein said propellant comprises at least one hydrofluorolefin selected from the group consisting of: CF 3 CH═CHCF 3 , CF 3 CH═CHC 2 F 5 , CF 3 CH═CHCF 2 C 2 F 5 , CF 3 CH═CHCF(CF 3 ) 2 , C 2 F 5 CH═CHC 2 F 5 , CF 3 CH═CH(CF 2 ) 3 CF 3 , CF 3 CH═CHCF 2 CF(CF 3 ) 2 , CF 3 CH═CHCF(CF 3 )C 2 F 5 , CF 3 CH═CHC(CF 3 ) 3 , C 2 F 5 CH═CHCF 2 C 2 F 5 , and C 2 F 5 CH═CHCF(CF 3 ) 2 .