Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2004-10-29
2009-06-23
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000
Reexamination Certificate
active
07550221
ABSTRACT:
A gas delivery substrate and method of manufacture is disclosed. A thermoplastic extrusion compound is created comprising a ceramic material and a thermoplastic resin, a green body is formed by thermoplastic extrusion of the compound, and the green body is sintered to form the gas delivery substrate. Such gas delivery substrates may be thin walled, highly porous and have secondary operations such as crimping and machining done prior to sintering.
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Crumm Aaron T.
Reilly Christopher J.
Krieg DeVault LLP
Mercado Julian
Rolls-Royce Fuel Cell Systems Limited
Ryan Patrick
LandOfFree
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