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Composite hydrogen separation element and module

United States Patent

*** EXPIRED ***
5,645,626
July 8, 1997
View the Complete Patent at the US Patent & Trademark Office
There are disclosed improvements in multicomponent composite metal membranes useful for the separation of hydrogen, the improvements comprising the provision of at least one common-axis hole through all components of the composite membrane and the provision of a gas-tight seal around the periphery of the hole or holes through a coating metal layer of the membrane.
Edlund; David J. (Redmond, OR), Newbold; David D. (Bend, OR), Frost; Chester B. (Bend, OR)
Bend Research, Inc. (Bend, OR)
08/ 583,969
January 11, 1996
The government has rights in this invention pursuant to Grant Nos. ISI-8722212 awarded by the National Science Foundation and DE-FG03-91ER81228 and DE-FG03-91ER81229 awarded by the Department of Energy.