HYDROPHILIC, COMPOSITE, MICROPOROUS MEMBRANE AND ITS PRODUCTION METHOD
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United States of America Patent
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Issued Date -
Sep 17, 2009
app pub date -
Dec 15, 2006
filing date -
Dec 15, 2005
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Abandoned
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Abstract
A hydrophilic, composite, microporous membrane having an anion exchange group and a cation exchange group on the outer surface or pore surface of a microporous, thermoplastic resin membrane substrate has excellent water permeability, mechanical strength, fine-particles-removing properties, anion-removing properties and cation-removing properties.
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