Patent ID: 8345407

Claim:
An ionic liquid comprising a cation according to formula (I): wherein: n is 1 or 2; R 1 is selected from H and (C 1 -C 6 )alkyl; R 2 is selected from —(CH 2 ) w O[(CH 2 ) x O(CH 2 ) y ] m (CH 2 ) 2 CH 3 and wherein w is 1 to 6, x is 1 to 6, y is 0 to 6, z is 0 to 6, m is 0 to 3 and [w+m(x+y)+z] is less than or equal to 12; and R 3 is selected from H and methyl, wherein if n is 1 then R 3 is methyl, and if n is 2 then R 3 is H.