Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1980-11-19
1984-09-04
Lewis, Michael L.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
75 05AA, 75119, B22F 900
Patent
active
044695055
ABSTRACT:
In a process for producing fine cobalt metal powder by reduction of a cobalt hydroxide precipitate, the cobalt hydroxide precipitate is heat treated prior to reduction at a selected temperature for reducing the Fisher Sub Sieve Size of the finally produced cobalt metal powder.
REFERENCES:
patent: 3013875 (1961-12-01), Triffleman
patent: 4214895 (1980-07-01), Gingerich et al.
Cheresnowsky Michael J.
Vanderpool Clarence D.
GTE Products Corporation
Lewis Michael L.
Walter Robert E.
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