Patent ID: 7923584

Claim:
A method comprising: reacting a toluenesulfonyl-terminated polyoxyethylene compound having the formula: CH 3 —C 6 H 4 —SO 2 —(O—CH 2 —CH 2 ) n —O—R 1 ; with an ammonium salt having the formula: NH 4 X to form a compound having the formula: X—CH 2 —CH 2 —(O—CH 2 —CH 2 ) n-1 —R 3 ; wherein n is a positive integer; wherein X is chloride, bromide, iodide, cyanide, cyanate, thiocyanate, or azide; wherein R 1 is hydrogen, a hydrocarbon, halo-substituted hydrocarbon, or CH 3 —C 6 H 4 —SO 2 —and wherein —R 3 is —O—R 1 when R 1 is hydrogen or a hydrocarbon, halo-substituted hydrocarbon thereof or —X when R 1 is CH 3 —C 6 H 4 —SO 2 —.