Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2005-04-25
2010-06-08
Mulcahy, Peter D. (Department: 1796)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C423S655000, C423S656000, C502S325000, C502S328000
Reexamination Certificate
active
07732080
ABSTRACT:
A hydrogen permeable membrane, which includes a polymer stable at temperatures of about 200 C having clay impregnated with Pt or Au or Ru or Pd particles or mixtures thereof with average diameters of less than about 10 nanometers (nms) is disclosed. The membranes are useful in fuel cells or any device which requires hydrogen to be separated from carbon monoxide.
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Carrado Gregar Kathleen
Kizilel Riza
Sandi-Tapia Giselle
Hu Henry
Mulcahy Peter D.
Olson & Cepuritis, Ltd.
UChicago Argonne LLC
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