Gas separation: apparatus – Apparatus for selective diffusion of gases
Reexamination Certificate
2008-08-11
2010-10-26
Greene, Jason M (Department: 1797)
Gas separation: apparatus
Apparatus for selective diffusion of gases
C096S007000, C096S011000, C095S055000, C095S056000, C048S063000, C048S076000, C048S127700, C048S127900, C048SDIG010, C422S198000, C422S198000, C422S211000, C423S652000, C429S010000
Reexamination Certificate
active
07819955
ABSTRACT:
Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purification membranes include a metal membrane, which is at least substantially comprised of palladium or a palladium alloy. In some embodiments, the membrane contains trace amounts of carbon, silicon, and/or oxygen. In some embodiments, the membranes form part of a hydrogen purification device that includes an enclosure containing a separation assembly, which is adapted to receive a mixed gas stream containing hydrogen gas and to produce a stream that contains pure or at least substantially pure hydrogen gas therefrom. In some embodiments, the membrane(s) and/or purification device forms a portion of a fuel processor, and in some embodiments, the membrane(s) and/or purification device forms a portion of a fuel processing or fuel cell system.
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patent:
Edlund David J.
Pledger William A.
Studebaker R. Todd
Dascenzo Intellectual Property Law, P.C.
Greene Jason M
Idatech, LLC
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