Patent ID: 8637443

Claim:
A composition comprising effective amounts of at least one hydrofluoro-olefin or hydrochlorofluoro-olefin solvent and at least one, hydrophobic, fluorine-containing surfactant soluble in the hydrofluoro-olefin or hydrochlorofluoro-olefin solvent, wherein the surfactant comprises formula I or formula II: wherein R 1 is hydrogen, C 1 -C 5 alkyl, aryl, alkylaryl, C 1 -C 5 fluoroalkyl, fluoroaryl, or fluoroalkylaryl, R 1 , R 2 and R 3 may be the same or different and are hydrogen, linear or branched C 1 -C 16 alkyl, fluoroalkyl, aryl or alkylaryl or wherein R 4 is a linear or branched C 1 -C 16 alkyl or fluoroalkyl group, provided that not more than one of the R 1 , R 2 , and R 3 groups is hydrogen, n is 1 to 16, and Rf is C m F 2m+1 wherein m is 2, 4, 6, 8, 10 or 12 or mixtures of such surfactant compositions.