1
John E Tomaschke: Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same. Hydranautics Corporation, Sughrue Mion Zinn Macpeak and Seas, October 10, 1989: US04872984 (73 worldwide citation)

The present invention relates to an interfacially synthesized reverse osmosis membrane useful for the separation of fluid mixtures and solutions. In particular, the present invention relates to an aromatic polyamide water permeable membrane containing an amine salt therein, which is useful for desal ...


2
John E Tomaschke: Interfacially synthesized reverse osmosis membrane containing an amine salt and processes for preparing the same. Hydranautics Corporation, Sughrue Mion Zinn Macpeak & Seas, August 14, 1990: US04948507 (52 worldwide citation)

The present invention relates to an interfacially synthesized reverse osmosis membrane useful for the separation of fluid mixtures and solutions. In particular, the present invention relates to a polyamide water permeable membrane containing a monomeric amine salt therein, which is useful for desali ...


3
John E Tomaschke, Istvan E Ary: Interfacially synthesized reverse osmosis membranes and processes for preparing the same. Hydranautics, Panitch Schwarze Jacobs & Nadel, October 19, 1993: US05254261 (42 worldwide citation)

Water permeable reverse osmosis membranes are prepared by interfacially polymerizing on a microporous support an essentially monomeric polyamine reactant having at least two amine functional groups per reactant molecule, and an essentially monomeric amine-reactive polyfunctional single ring cycloali ...


4
John E Tomaschke: Interfacially synthesized reverse osmosis membranes and processes for preparing the same. Hydranautics, Panitch Schwarze Jacobs & Nadel, September 21, 1993: US05246587 (24 worldwide citation)

Water permeable reverse osmosis membranes are prepared by interfacially polymerizing on a microporous support an essentially monomeric polyamine reactant having at least two amine functional groups per reactant molecule, and an essentially monomeric, at least trifunctional cyclic chloroformate amine ...


5
John E Tomaschke, Anthony J Testa, James G Vouros: Stable membranes from sulfonated polyarylethers. Hydanautics, Sughrue Mion Zinn Macpeak & Seas, February 5, 1991: US04990252 (22 worldwide citation)

The invention provides a novel thin film composite or coated membrane suitable for reverse osmosis, ultrafiltration and microfiltration applications, and having a porous polymeric substrate with one or more microporous layers to which a thin film or coating comprising a sulfonated polyarylether is a ...


6
John E Tomaschke: Interfacially polymerized, bipiperidine-polyamide membranes for reverse osmosis and/or nanofiltration and process for making the same. Hydranautics, Akin Gump Strauss Hauer & Feld L, October 15, 2002: US06464873 (20 worldwide citation)

Selective, water-permeable membranes for reverse osmosis and nanofiltration are prepared by interfacially polymerizing on a microporous support an essentially monomeric bipiperidine reactant, and an essentially monomeric amine-reactive polyfunctional aromatic or cycloaliphatic acyl halide having on ...


7
John E Tomaschke: Amine monomers and their use in preparing interfacially synthesized membranes for reverse osmosis and nanofiltration. Hydranautics, Panitch Schwarze Jacobs & Nadel P C, July 13, 1999: US05922203 (13 worldwide citation)

Water permeable reverse osmosis membranes are prepared by interfacially polymerizing on a microporous support an essentially monomeric polyamine reactant having at least two amine functional groups per reactant molecule, and an essentially monomeric amine-reactive polyfunctional aromatic or cycloali ...


8
Istvan E Ary, John E Tomaschke: Interfacially synthesizd reverse osmosis membranes and processes for preparing same. Hydranautics, FAN WEIMIN, April 7, 1993: CN92109321

A water-permeable reverse osmosis membrane is produced by interfacial polymerization on a microporous carrier of a substantially monomeric polyamine reactant each having at least two amine functional groups with a substantially monomeric amine-reactive polyfunctional single-ring cycloaliphatic acyl ...



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