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Gregory R. O'Neil
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Marmion, AU
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last 30 patents
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Patent Grant
Pretreatment/agglomeration as a vehicle for refractory ore treatment
Patent number
4,961,777
Issue date
Oct 9, 1990
Freeport-McMoRan, Inc.
Jesus W. Perez
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Treating refractory gold ores via oxygen-enriched roasting
Patent number
4,919,715
Issue date
Apr 24, 1990
Freeport McMoRan Inc.
Jay C. Smith
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...