Oxidatively stable microlayers of gas diffusion layers

Stock material or miscellaneous articles – Composite – Of fluorinated addition polymer from unsaturated monomers

Reexamination Certificate

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C428S422000, C429S006000, C429S047000, C429S309000, C429S316000

Reexamination Certificate

active

07608334

ABSTRACT:
The present invention is a microlayer for use with an electrically conductive porous substrate of a gas diffusion layer. The microlayer includes carbon particles and a polymeric composition of first highly-fluorinated polymers that are non-melt processable and second highly-fluorinated polymers that are melt processable.

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