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Cuprous chloride production from chalcopyrite
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Patent number 4,341,742
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Issue date Jul 27, 1982
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Cyprus Metallurgical Processes Corp.
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Robert H. Clark
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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High temperature reduction of copper salts
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Patent number 4,192,676
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Issue date Mar 11, 1980
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Cyprus Metallurgical Processes Corporation
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James E. Reynolds
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Zinc recovery by chlorination leach
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Patent number 3,973,949
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Issue date Aug 10, 1976
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Cyprus Metallurgical Processes Corporation
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Duane N. Goens
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Sulfur recovery process
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Patent number 3,939,256
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Issue date Feb 17, 1976
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Cyprus Metallurgical Processes Corporation
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William G. Kazel
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C01 - INORGANIC CHEMISTRY
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