COMPOSITE INCLUDING PTFE MEMBRANE
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
Feb 15, 2013
filing date -
Feb 15, 2013
priority date (Note) -
Abandoned
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Abstract
Composites including porous PTFE membranes comprising an intermediate PTFE membrane having a pore rating of from about 2 nanometers to about 20 nanometers, interposed between, and bound to, porous fluoropolymer membranes having larger pore ratings, and methods of making and using the composites, are disclosed.
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