Patent ID: 8906821

Claim:
A catalyst composition comprising a catalyst selected from tetra-alkylammonium 2-phenyl-1,1,1,3,3,3 hexafluoroisopropanoate, tetra-alkylammonium 1,1,1,3,3,3 hexafluoroisopropanoate, tetrabutylphosphonium 2-phenyl-1,1,1,3,3,3 hexafluoroisopropanoate, tetrabutylphosphonium 1,1,1,3,3,3 hexafluoroisopropanoate, tetrabutylphosphonium 2-methoxyphenyl-1,1,1,3,3,3 hexafluoroisopropanoate, and tetrabutylphosphonium 2-p-toluyl-1,1,1,3,3,3 hexafluoroisopropanoate, and wherein the catalyst composition is free of hydrocarbon containing alcohol.