Thin-walled monolithic metal oxide structures made from metals, and methods for manufacturing such structures
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United States of America Patent
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Jun 20, 2000
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app pub date -
May 15, 1998
filing date -
Apr 30, 1996
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Abstract
Monolithic metal oxide structures, and processes for making such structures, are disclosed. The structures are obtained by heating a metal-containing structure having a plurality of surfaces in close proximity to one another in an oxidative atmosphere at a temperature below the melting point of the metal while maintaining the close proximity of the metal surfaces. Exemplary structures of the invention include open-celled and closed-cell monolithic metal oxide structures comprising a plurality of adjacent bonded corrugated and/or flat layers, and metal oxide filters obtained from a plurality of metal filaments oxidized in close proximity to one another.
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