Scala Luciano C, Ciliberti David F, Berg Daniel: Interface condensation desalination membranes. Westinghouse Electric Corporation, July 10, 1973: US3744642 (81 worldwide citation)

A desalination membrane-substrate composite, effective to permit the effusion of pure water and the rejection of dissolved impurities, comprising a semipermeable membrane layer of polymeric material in contact with at least one side of a porous substrate is made by in-situ interfacial condensation o ...