1. Membrane made from a multi-block polymer comprising an imide or amide-acid prepolymer chain extended with a compatible second prepolymer and its use in separations;Schucker,1991
2. Polyurethane-imide membranes and their use for the separation of aromatics from non-aromatics;Koenitzer,1990
3. Thin film composite membrane prepared by deposition from a solution;Schucker,1990
4. Halogenated polyurethanes;Ho,1991
5. Polymer structure/properties correlation of polyurethane PV-membranes for aromatic aliphatic separation;Ohst,1991