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John Frank Tancredi
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Yorktown Heights, NY, US
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Patent Grant
Solvent extraction of copper values using dihydroxy azoarenes
Patent number
4,003,975
Issue date
Jan 18, 1977
Union Carbide Corporation
John Frank Tancredi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...