Patent ID: 8685880

Claim:
A method for amending a catalyst composition, comprising: a) providing an aqueous solution of a salt selected from the group consisting of salts of the general formulas A, B, C, and D: wherein X is halide, each of R, R 1 , and R 2 =H, methyl, ethyl, propyl, butyl, pentyl or hexyl or a heavier alkyl or aryl group, wherein R 1 , R 2 may or may not be the same; and each of R 3 R 4 R 5 and R 6 =methyl, ethyl, propyl, butyl, pentyl, hexyl or a heavier alkyl or aryl group, wherein R 3 , R 4 , R 5 and R 6 may or may not be the same; b) removing water from the aqueous solution to provide an anhydrous form of the salt; and c) adding the anhydrous form of the salt to an ionic liquid, wherein the salt comprises a precursor of the ionic liquid.