Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2007-03-27
2007-03-27
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C252S510000
Reexamination Certificate
active
10654234
ABSTRACT:
A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode assemblies, and fuel cells. A method for preparing the composition comprises oxidatively polymerizing a monomer of a conducting polymer containing hetero atoms in the presence of a carbonaceous material wherein the oxidative polymerization takes place in the presence of a metal-containing oxidizing agent. The method grafts the conducting polymer to the carbonaceous material while essentially simultaneously metallizing the composition.
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Columbian Chemicals Company
Needle & Rosenberg P.C.
Parsons Thomas H.
Ryan Patrick Joseph
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