Title:
Recovery of metal values from complex ores
United States Patent 2927017
Inventors:
Marvin, Orrin F.
Publication Date:
03/01/1960
Export Citation:
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Assignee:
Marvin, Orrin F.
Primary Class:
75/422
Other Classes:
75/423, 75/424, 75/431, 423/95
International Classes:
C22B3/08; C22B3/00
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US Patent References:
2328089Recovery of soluble lead salts from insoluble lead compounds
2187750Treatment of ores
1378822Treatment of lixiviation-residue zinc