Patent ID: 7378034

Claim:
Ionic compound corresponding to the formula in which: M m+ is a proton or a metal cation having the valency m, chosen from ions of alkali metals, of alkaline-earth metals, of transition metals or of rare-earth metals, or an organic onium cation or an organometallic cation, 1≦m≦3; R 7 , R′ 7 and R″ 7 represent, independently of each other, Y, YO—, YS—, Y 2 N— or F; Y represents a monovalent organic radical chosen from alkyl, alkenyl, oxaalkyl, oxaalkenyl, azaalkyl, azaalkenyl, aryl, alkylaryl or perfluoroalkyl radicals, or from the radicals obtained from the abovementioned radicals by substitution, in the chains and/or the aromatic part, with hetero atoms chosen from halogens, oxygen, nitrogen, sulfur or phosphorus; it being understood that sulfur or phosphorus are present, they can optionally be linked to substituted nitrogen or oxygen atoms, or alternatively Y is a repeating unit of a polymeric backbone.