Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2006-10-31
2006-10-31
Dove, Tracy (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C204S296000
Reexamination Certificate
active
07128993
ABSTRACT:
The present invention relates to a composite membrane comprising at least one ion-conducting polymer and a network of randomly orientated individual fibers, wherein there is a continuous region of the membrane at one or both of the membrane faces wherein the density of fibers is lower than the density of fibers in the membrane as a whole. The invention further relates to processes for manufacturing membranes according to the invention, and membrane electrode assemblies comprising membranes according to the invention.
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Barnwell David Edward
Buche Silvain
Gubler Lorenz
Ralph Thomas Robertson
Dove Tracy
Johnson Matthey Public Limited Company
RatnerPrestia
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