Barun Gorain

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Separation of copper minerals from pyrite using air-metabisulfite t...
- Patent number 10,258,996
- Issue date Apr 16, 2019
- Barrick Gold Corporation
- Barun Gorain
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of copper minerals from pyrite using air-metabisulfite t...
- Patent number 9,346,062
- Issue date May 24, 2016
- Barrick Gold Corporation
- Barun Gorain
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method to improve recovery of gold from double refractory gold ores
- Patent number 8,262,768
- Issue date Sep 11, 2012
- Barrick Gold Corporation
- Barun Gorain
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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...

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE T...
- Publication number 20160199854
- Publication date Jul 14, 2016
- BARRICK GOLD CORPORATION
- Barun Gorain
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE T...
- Publication number 20110155651
- Publication date Jun 30, 2011
- BARRICK GOLD CORPORATION
- Barun Gorain
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
METHOD TO IMPROVE RECOVERY OF GOLD FROM DOUBLE REFRACTORY GOLD ORES
- Publication number 20090071295
- Publication date Mar 19, 2009
- BARRICK GOLD CORPORATION
- Barun Gorain
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...