Wires incorporating a helical component, assemblies thereof, and use of said assemblies as catalyzer and/or to recover precious metals
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Jan 31, 1995
filing date -
Jul 31, 1992
priority date (Note) -
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Abstract
A wire comprising at least one helically wound wire element is disclosed. The helical winding consists of a platinoid or platinoid alloy wire (20). Also disclosed are assemblies of these wires (20) such as knitted materials, fabrics and felts, and the use of said assemblies as catalysers in the reaction for preparing nitric or cyanhydric acid, and to recover precious metals from these catalysers.
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