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Jacques McMullen
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Oakville, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Process for reduced alkali consumption in the recovery of silver
Patent number
8,252,254
Issue date
Aug 28, 2012
Barrick Gold Corporation
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering platinum group metals using reductants
Patent number
8,016,912
Issue date
Sep 13, 2011
Barrick Gold Corporation
Simon O. Fekete
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering gold and silver from refractory ores
Patent number
7,922,788
Issue date
Apr 12, 2011
Barrick Gold Corporation
Daniel Hillier
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Selective precipitation of metal sulfides
Patent number
7,862,786
Issue date
Jan 4, 2011
Barrick Gold Corporation
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Thiosulfate generation in situ in precious metal recovery
Patent number
7,572,317
Issue date
Aug 11, 2009
Barrick Gold Corporation
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Removal of boron and fluoride from water
Patent number
6,296,773
Issue date
Oct 2, 2001
Barrick Gold Corporation
Jacques McMullen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Flotation and cyanidation process control
Patent number
6,234,318
Issue date
May 22, 2001
Barrick Gold Corporation
Yves Breau
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Removal of boron and fluoride from water
Patent number
6,039,789
Issue date
Mar 21, 2000
Barrick Gold Corporation
Jacques McMullen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS FOR RECOVERING GOLD AND SILVER FROM REFRACTORY ORES
Publication number
20090074607
Publication date
Mar 19, 2009
BARRICK GOLD CORPORATION
Daniel Hillier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR RECOVERING PLATINUM GROUP METALS USING REDUCTANTS
Publication number
20090071289
Publication date
Mar 19, 2009
BARRICK GOLD CORPORATION
Simon O. Fekete
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SELECTIVE PRECIPITATION OF METAL SULFIDES
Publication number
20080274026
Publication date
Nov 6, 2008
BARRICK GOLD CORPORATION
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR REDUCED ALKALI CONSUMPTION IN THE RECOVERY OF SILVER
Publication number
20070292326
Publication date
Dec 20, 2007
BARRICK GOLD CORPORATION
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
THIOSULFATE GENERATION IN SITU IN PRECIOUS METAL RECOVERY
Publication number
20070137437
Publication date
Jun 21, 2007
BARRICK GOLD CORPORATION
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...