Composite ion exchange material

Details Composite ion exchange material Composite ion exchange material

2005-06-07

2005-06-07

Zacharia, Ramsey (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having a component wherein a constituent is liquid...

C428S411100, C428S421000, C428S500000, C429S006000, C429S006000

Reexamination Certificate

active

06902801

ABSTRACT:
A composite material, for example a composite membrane for a polymer electrolyte membrane fuel cell includes a first conductive polymer and a support material for the polymer, wherein the support material comprises a second conductive polymer. A method making of the composite material is also disclosed as is its use as a polymer electrolyte membrane in a fuel cell.

REFERENCES:
patent: 5556700 (1996-09-01), Kaneto et al.
patent: 5733678 (1998-03-01), Ledjeff et al.
patent: 0 574 791 (1993-12-01), None
patent: WO 98/50457 (1998-11-01), None
patent: WO 98/51733 (1998-11-01), None
patent: WO 00/15691 (2000-03-01), None
patent: WO 01/19896 (2001-03-01), None
Patent Abstracts of Japan, vol. 017, No. 190; JP 04 341333; 11/1992; “Composite Reverse Osmosis Membrane”; abstract.

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