1. Catalysts for the reactions of epoxides and carbon dioxide
2. Lichtenwalter, M., and Cooper, J. F., U.S. Patent 2,773,070, 1956, assigned to Jefferson Chemical Co.;
3. McClellan, P. P., and U.S. Patent 2,873,282, 1959, assigned to Jefferson Chemical Co.;
4. McMullen, C. H, Nelson, J. R, Ream, B. C, and, Sims, J. A, U.K. Patent 2,011,402A, 1978, assigned to Union Carbide Corp.
5. Catalytic activity of various salts in the reaction of 2,3-epoxypropyl phenyl ether and carbon dioxide under atmospheric pressure