Gas separation: apparatus – Apparatus for selective diffusion of gases – Plural layers
Reexamination Certificate
2007-10-09
2007-10-09
Greene, Jason M. (Department: 1724)
Gas separation: apparatus
Apparatus for selective diffusion of gases
Plural layers
C096S004000, C096S007000, C095S045000, C095S054000, C055S523000, C055S524000, C210S321600, C210S510100, C264S129000, C264S154000, C427S126300, C427S180000, C427S202000, C427S245000
Reexamination Certificate
active
10394620
ABSTRACT:
Planar ceramic membrane assembly comprising a dense layer of mixed-conducting multi-component metal oxide material, wherein the dense layer has a first side and a second side, a porous layer of mixed-conducting multi-component metal oxide material in contact with the first side of the dense layer, and a ceramic channeled support layer in contact with the second side of the dense layer. The planar ceramic membrane assembly can be used in a ceramic wafer assembly comprising a planar ceramic channeled support layer having a first side and a second side; a first dense layer of mixed-conducting multi-component metal oxide material having an inner side and an outer side, wherein the inner side is in contact with the first side of the ceramic channeled support layer; a first outer support layer comprising porous mixed-conducting multi-component metal oxide material and having an inner side and an outer side, wherein the inner side is in contact with the outer side of the first dense layer; a second dense layer of mixed-conducting multi-component metal oxide material having an inner side and an outer side, wherein the inner side is in contact with the second side of the ceramic channeled layer; and a second outer support layer comprising porous mixed-conducting multi-component metal oxide material and having an inner side and an outer side, wherein the inner side is in contact with the outer side of the second dense layer.
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Carolan Michael Francis
Chen Christopher M.
Dyer, legal representative Kathryn Beverly
Kneidel Kurt E.
Ohm Ted R.
Air Products and Chemicals Inc.
Gourley Keith D.
Greene Jason M.
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