Metal particle-dispersed composite oxides, metal...

Gas: heating and illuminating – Apparatus for converting or treating hydrocarbon gas

Reexamination Certificate

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C422S222000, C502S326000, C502S327000, C502S328000, C502S331000, C502S335000, C502S337000, C502S344000, C502S345000, C502S346000, C502S355000, C502S415000, C502S439000, C502S527120

Reexamination Certificate

active

07435274

ABSTRACT:
There is disclosed a metal particle-dispersed composite oxide comprising a matrix material containing a composite oxide comprising a non-reducible metal oxide and an easily reducible metal oxide, the composite oxide containing 0.01 to 0.25 mol % of at least one additive metal selected from Al, Sc, Cr, B, Fe, Ga, In, Lu, Nb and Si, surface metal particles precipitated on an outer surface of the matrix material containing the composite oxide, and inner metal particles precipitated on an inner surface of the matrix material containing the composite oxide.

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Don Gervasio, et al., “Multilayerd Ceramic Reactor for the Steam Reofrming of Methanol Into Hydrogen Enriched Gas”, Ceramic Transactions, vol. 127, 2002, pp. 157-166.

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