Composite membranes
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United States of America Patent
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Mar 28, 2000
Grant Date -
N/A
app pub date -
Apr 21, 1998
filing date -
Apr 25, 1997
priority date (Note) -
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Abstract
A novel composite membrane comprising a porous substrate of randomly orientated individual fibres and at least one ion conducting polymer, characterised in that the ion conducting polymer is embedded within the porous substrate, a process for its preparation and its use, particularly in fuel cells is disclosed.
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