Heterogenite material for making submicron cobalt metal powders
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United States of America Patent
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Jul 22, 2003
Grant Date -
Apr 18, 2002
app pub date -
Sep 27, 2001
filing date -
Aug 31, 2000
priority date (Note) -
Expired
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Abstract
A high-surface-area heterogenite (HCoO.sub.2) material is described for use in making submicron cobalt metal powders. The HCoO.sub.2 material has a surface area of at least about 90 m.sup.2 /g and is preferably produced by dehydrating a cobalt hydroxide precipitate at 110.degree. C.
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