Surfactant compounds and uses thereof

Abstract From the Canadian patent

A pharmaceutical aerosol formulation comprising a particulate medicament one , or more fluorocarbon or hydrogen-containing fluorocarbon propellants and a compound of the general formula (I) or a salt or solvate thereof wherein A , represents a straight chain C1-16 alkylene substituted by n groups of formula B; n represents an integer 1 to 3; and B independently represents C1-4 fluoroalkylC0-6 alkylene-, C1-4 fluoroalkylC0-6 alkylene-Oor C1-4 alkylC0-6 , alkylene-O- wherein at least one substituent of formula B contains at least one fluorine atom and each C1-4 fluoroalkyl- moiety contains one or more fluorine atoms but not more than 3 consecutive perfluorinated carbon atoms. The …