Non-woven fabric treatment
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United States of America Patent
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-
Mar 25, 2003
Grant Date -
Jan 23, 2003
app pub date -
Feb 16, 2000
filing date -
Jun 18, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Non-woven fabrics are disclosed comprising substantially unbonded fibers and vinyl monomers which are capable of reacting with an acid or a base to form a salt directly or indirectly by a reaction involving exposure to ultraviolet radiation while impregnated with a solution of the vinyl monomer copolymerized to the surface of the fibers. Laminates of these non-woven fabrics as well as electrochemical devices employing them as a separator, and methods of treating such non-woven fabrics are also disclosed.
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Family
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