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Rong-yu Wan
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Salt Lake City, UT, US
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last 30 patents
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Patent Grant
Hydrometallurgical process for the recovery of precious metal value...
Patent number
5,354,359
Issue date
Oct 11, 1994
Newmont Gold Co.
Rong-Yu Wan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Treatment of refractory carbonaceous sulfide ores for gold recovery
Patent number
4,923,510
Issue date
May 8, 1990
Gopalan Ramadorai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Treatment of refractory carbonaceous and sulfidic ores or concentra...
Patent number
4,902,345
Issue date
Feb 20, 1990
Newmont Gold Co.
Brian Ball
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Direct gold electrolysis from a loaded organic phase
Patent number
4,657,642
Issue date
Apr 14, 1987
University of Utah
Jan D. Miller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...