Porous membrane
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United States of America Patent
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Aug 3, 2004
Grant Date -
N/A
app pub date -
Feb 4, 2002
filing date -
Apr 14, 1999
priority date (Note) -
Expired
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Abstract
The present invention provides integral porous membranes comprising an amorphous halopolymer, as well as processes for preparing the membranes, and devices comprising the membranes. An example of an amorphous halopolymer is a copolymer of tetrafluoroethylene and perfluoro-2,2-dimethyl-1,3-dioxole.
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