Process for producing metal powders
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United States of America Patent
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Mar 18, 2008
Grant Date -
Mar 9, 2006
app pub date -
Sep 3, 2004
filing date -
Sep 3, 2004
priority date (Note) -
Expired
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Abstract
A process for the production of extra fine spherical metal powders by chemical vapor deposition and dissolution techniques, including metal carbonyls, wherein the metal containing process gas is propelled upwardly through a heated reactor. By employing an upward gas flow as opposed to the conventional downward gas flow, a closer approximation of theoretical plug-flow velocity profiles are achieved thusly resulting in a desirably narrower size particle distribution obviating or reducing the need for subsequent classification techniques.
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