Stable membranes from sulfonated polyarylethers

Details Stable membranes from sulfonated polyarylethers Stable membranes from sulfonated polyarylethers

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182/15.3, 117/88

B01D 67/00 (2006.01) B01D 69/12 (2006.01) B01D 71/52 (2006.01) B01D 71/68 (2006.01) C02F 1/44 (2006.01)

Patent

CA 1332325

-i- PATENT APPLICATION OF John Tomaschke, San Diego, CA Anthony Joseph Testa, Westwood, MA James George Vouros, Boston, MA for STABLE MEMBRANES FROM SULFONATED POLYARYLETHERS Abstract of the Disclosure The invention provides a novel thin film composite or coated membrane suitable for reverse osmosis, ultrafil- tration 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 attached substantively to provide an oxidatively stable, thin hydrophilic film or coating layer, and a method for manufacturing and using the same.

557935

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