MICROPOROUS MEMBRANES, METHODS FOR MAKING SAME AND THEIR USE AS BATTERY SEPARATOR FILMS
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United States of America Patent
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Issued Date -
Nov 8, 2012
app pub date -
Dec 15, 2010
filing date -
Dec 18, 2009
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Abandoned
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Abstract
Disclosed herein are microporous polymeric membranes suitable for use as battery separator film. Also disclosed herein is a method for producing such a membrane, batteries containing such membranes as battery separators, methods for making such batteries, and methods for using such batteries.
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