Ethylene-vinyl alcohol hollow fiber membranes
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United States of America Patent
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-
Sep 21, 2004
Issued Date -
N/A
app pub date -
Jul 19, 2001
filing date -
Jan 21, 1999
priority date (Note) -
Expired
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Abstract
EVAL microporous hydrophilic hollow fiber membranes are formed from a casting dope that includes low and high molecular weight pore-formers. Post-fabrication treatment includes stretching, hot water soaking and crosslinking.
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