Proton conducting material, proton conducting membrane, and...

Details Proton conducting material, proton conducting membrane, and... Proton conducting material, proton conducting membrane, and...

2008-01-08

2008-01-08

Kalafut, Stephen J. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C501S141000

Reexamination Certificate

active

07316854

ABSTRACT:
A proton conducting material and proton conducting membrane which have high proton conductivity, high strength, flexibility (strong against deformation), and high size stability when swollen (water absorbed) are provided. The proton conducting material and the proton conducting membrane are formed by crosslinking the unit structure of a layered clay mineral, wherein a polyvalent metal ion is incorporated between layers of the layered clay mineral.

REFERENCES:
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patent: 7049020 (2006-05-01), Kerres et al.
patent: 2002/0094466 (2002-07-01), Karres et al.
patent: 2004/0081823 (2004-04-01), Arai
patent: 199 19 881 A 1 (2000-11-01), None
patent: 05-254824 (1993-10-01), None
patent: 2001-307545 (2001-11-01), None
patent: WO 00/74827 (2000-12-01), None
patent: WO 2004/038839 (2004-05-01), None
Official Letter as issued by the German Patent and Trademark Office (Sep. 2004).

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