Process for preparing a composite metal membrane, the composite metal membrane prepared therewith and its use
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United States of America Patent
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Issued Date -
Mar 7, 2002
app pub date -
Aug 13, 2001
filing date -
Aug 12, 2000
priority date (Note) -
Abandoned
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Abstract
A process for preparing a composite metal membrane which contains a thin metal membrane with a desired thickness and a metallic membrane support with a porous structure, wherein metal membrane and membrane support consist of two different metals or metal alloys. The process is carried out by placing a precursor of the metal membrane on a non-porous precursor of the membrane support, the metal composite is then formed from the two precursors, the desired thickness of metal membrane is adjusted by mechanical working the metal composite and then the porous structure for the membrane support is produced.
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