Compositions: ceramic – Ceramic compositions – Refractory
Reexamination Certificate
2006-12-19
2006-12-19
Vanoy, Timothy C. (Department: 1754)
Compositions: ceramic
Ceramic compositions
Refractory
C501S108000, C501S126000, C501S127000, C501S132000, C501S152000, C501S135000, C501S136000, C501S137000, C501S138000, C501S139000, C502S300000, C502S324000, C502S325000, C502S340000, C502S527120, C502S527130, C502S525000, C096S004000, C096S011000, C423S651000, C423S652000, C423S418200, C252S373000, C422S129000, C422S211000, C428S699000, C428S701000, C428S697000, C428S702000
Reexamination Certificate
active
07151067
ABSTRACT:
A porous catalyst layer containing mixed conducting oxide having substantially a perovskite structure and containing a first element selected from Co and Fe, and a second element selected from In, Sn and Y arranged in the B site in the perovskite structure is contiguous to a second surface (1a) of a selective oxygen-permeable dense continuous layer (1) containing mixed conducting oxide. A porous intermediate catalyst layer (3) containing mixed conducting oxide and at least one of Co, Fe, Mn and Pd is contiguous to a first layer (1b) of the dense continuous layer (1). A porous reactive catalyst layer (4) provided with a metal catalyst selected from at least one of Ni, Co, Ru, Rh, Pt, Pd, Ir and Re and a support is continguous to the porous intermediate catalyst layer (3) in a manner to sandwich between the dense continuous layer (1) and the porous reactive catalyst layer (4).
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Dohnomae Hitoshi
Ito Takashi
Ito Wataru
Kaganoi Shouichi
Kurimura Hideki
Kenyon & Kenyon LLP
Nippon Steel Corporation
Teikoku Oil Co., Ltd.
Vanoy Timothy C.
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