Patent ID: 8501641

Claim:
A composition comprising a compound of Formula I Wherein b and c are independently integers from 1 to 3; R f is a perfluorinated ether group; A is a linking group having the formula —C d H 2d ZC g H 2g —, wherein d and g are independently integers from 0 to 10 and Z is selected from the group consisting of a covalent bond, a carbonyl group, a sulfonyl group, a carboxamido group, a sulfonamido group, an iminocarbonyl group, an iminosulfonyl group, an oxycarbonyl group, a urea group, a urethane group, a carbonate group, and a carbonyloxy group; Y is a bridging group having 1 to 10 carbon atoms, a valency from 2 to 4, and comprising at least one of an alkylene group or an arylene group; Q is a connecting group having 1 to 10 carbon atoms, a valency from 2 to 4, and comprising at least one of an alkylene group or an arylene group; R 1 and R 2 are independently selected from the group consisting of a hydrogen atom, an alkyl group, an aryl group, and an aralkyl group; each R 3 is independently selected from the group consisting of hydroxy groups, alkoxy groups, acyl groups, acyloxy groups, halo groups, and polyether groups; and X − is a counter ion selected from the group consisting of inorganic anions, organic anions, and combinations thereof.