1. R.E. Kesting, A.K. Fritzsche, M.K. Murphy, A.C. Handermann, C.A. Cruse and R.F. Malon, U.S. and Foreign Patents applied for.
2. R.E. Kesting, A.K. Fritzsche, M.K. Murphy, A.C. Handermann, C.A. Cruse, R.F. Malon and M.D. Moore, The second generation polysulfone gas separation membrane. I. The use of Lewis acid:base complexes as transient templates to increase free volume, J. Appl. Polym. Sci., (in press).
3. R.E. Kesting, A.K. Fritzsche, C.A. Cruse and M.D. Moore, The second generation polysulfone gas separation membrane. II. The relationship between sol properties, gel macroroids, and fiber selectivity, J. Appl. Polym. Sci., (in press).
4. J.M.S. Henis and M.K. Tripodi, U.S. Patent 4,230,463, 1980.
5. Asymmetric polysulfone hollow fiber membranes for gas separations;Fritzsche,1987