abstract |
The present invention relates to compounds of formula Ai Xi:n n n n n n n n Wheren n n Ai is an organic onium cation, Xi has the formula X-CF 2 CF 2 OCF 2 CFa-SO 3 - is an anion of. Compounds are useful as mineral substances. Ai is selected from formulas I and Y-Ar, wherein Ar is selected from formula II, naphthyl, or anthryl, and Y is selected from formulas III, IV, V. |