Coating processes – Electrical product produced – Fuel cell part
Reexamination Certificate
2008-06-24
2008-06-24
Cantelmo, Gregg (Department: 1795)
Coating processes
Electrical product produced
Fuel cell part
C429S047000, C502S101000
Reexamination Certificate
active
07390528
ABSTRACT:
To provide an efficient method to form a functional porous layer, a functional material being supported on a porous material such that the content of the functional material has a desired concentration distribution in the depth direction of the porous layer, a method to manufacture a fuel cell applying the above method to form a reacting layer and an electronic device and an automobile having the fuel cell manufactured by the method as a power supply. A method to form a functional porous layer including a functional material being supported on a porous material. The method includes applying a plurality of solutions or dispersions containing the functional material, the solutions or the dispersions having different surface tensions, to a porous layer to control the permeation of the functional material in the depth direction of the porous layer according to the difference in the surface tensions.
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Cantelmo Gregg
Oliff & Berridg,e PLC
Seiko Epson Corporation
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