Method of coating microporous membranes
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United States of America Patent
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Jun 4, 1996
Issued Date -
N/A
app pub date -
Sep 27, 1994
filing date -
Apr 7, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microporous membrane structure is disclosed that comprises a microporous membrane formed of a synthetic polymer and a substantially continuous porous coating on the membrane. The coating is formed from a urethane-based polymer, and provides a permeable barrier that does not interfere with the function of the membrane, and which will prevent further materials that are applied to or adjacent the membrane from interfering with the function of the membrane when those further materials are applied to the porous coating.
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