Ionics, Inc.

Hans I Viklund

Warren A Waite

Semi-permeable membrane and membrane/support assemblies and systems for microfiltration, ultrafiltration, nanofiltration, reverse osmosis, electrodialysis, electrodeionization and piezodialysis filter systems are formed of polymer membranes (14), including fine particle moieties (24) or threads (16) of substantially water insoluble, oligodynamic bioactive (biostatic and/or biocidal) dispersed material. When these membranes systems are used in aqueous liquids the dispersed material dissolves slowly and provides a continuous biostatic and/or biocidal action over a long duration to counteract membrane fouling propensities of the system environment.

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Marlboro, MA, United States of America

Hans I Viklund