Wound pocket module
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United States of America Patent
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-
Mar 5, 2002
Grant Date -
N/A
app pub date -
Jun 12, 2000
filing date -
Oct 24, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improvement to a spiral wound filtration membrane is the provision of a fluid-permeable protective sheath around the inner spacer of the membrane pocket.
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