Electrochemical device using multicomponent composite membrane film
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United States of America Patent
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Mar 21, 2006
Grant Date -
Jun 5, 2003
app pub date -
Mar 5, 2002
filing date -
Mar 5, 2001
priority date (Note) -
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Abstract
The present invention provides a electrochemical element, wherein a multi-component composite film comprising a) polymer support layer film and b) a porous gellable polymer layer which is formed on either or both sides of the support layer film of a), wherein the support layer film of a) and the gellable polymer layer of b) are unified with each other without an interface between them.
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