Electrochemical device using multicomponent composite...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure

Reexamination Certificate

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Details

C429S145000, C429S149000, C429S152000, C429S157000, C429S158000, C429S160000, C429S254000

Reexamination Certificate

active

07014948

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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patent: 2002/0187401 (2002-12-01), Lee et al.
patent: 2003/0013012 (2003-01-01), Ahn et al.
patent: 1263361 (2000-08-01), None
patent: 0 973 223 (2000-01-01), None

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