Assignee
BARRICK GOLD CORP
CA·27 granted patents·1 pending application·504 citations·filing 1994–2023
Top patents by PatentIndex Score
28 records- 0195US6344068B1Process for recovering gold from thiosulfate leach solutions and slurries with ion exchange resinBARRICK GOLD CORP·Filed 2000·Granted Feb 5, 2002·72 cites·67 claims
- 0293US5785736AGold recovery from refractory carbonaceous ores by pressure oxidation, thiosulfate leaching and resin-in-pulp adsorptionBARRICK GOLD CORP·Filed 1996·Granted Jul 28, 1998·86 cites·32 claims
- 0390US10415116B2Co-current and counter current resin-in-leach in gold leaching processesBARRICK GOLD CORP·Filed 2017·Granted Sep 17, 2019·4 cites·33 claims
- 0490US5536297AGold recovery from refractory carbonaceous ores by pressure oxidation and thiosulfate leachingBARRICK GOLD CORP·Filed 1995·Granted Jul 16, 1996·94 cites·22 claims
- 0589US10597752B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2017·Granted Mar 24, 2020·3 cites·36 claims
- 0689US10161016B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2014·Granted Dec 25, 2018·5 cites·21 claims
- 0789US9790572B2Co-current and counter current resin-in-leach in gold leaching processesBARRICK GOLD CORP·Filed 2013·Granted Oct 17, 2017·6 cites·29 claims
- 0888US7572317B2Thiosulfate generation in situ in precious metal recoveryBARRICK GOLD CORP·Filed 2006·Granted Aug 11, 2009·13 cites·40 claims
- 0988US5489326AGold recovery using controlled oxygen distribution pressure oxidationBARRICK GOLD CORP·Filed 1994·Granted Feb 6, 1996·77 cites·24 claims
- 1085US6482250B1Nozzle for low pressure flash tanks for ore slurryBARRICK GOLD CORP·Filed 2000·Granted Nov 19, 2002·20 cites·19 claims
- 1183US10258996B2Separation of copper minerals from pyrite using air-metabisulfite treatmentBARRICK GOLD CORP·Filed 2016·Granted Apr 16, 2019·2 cites·43 claims
- 1282US7922788B2Process for recovering gold and silver from refractory oresBARRICK GOLD CORP·Filed 2008·Granted Apr 12, 2011·6 cites·26 claims
- 1382US6110255ANozzle for low pressure flash tanks for ore slurryBARRICK GOLD CORP·Filed 1998·Granted Aug 29, 2000·31 cites·20 claims
- 1480US11401580B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2020·Granted Aug 2, 2022·1 cites·20 claims
- 1578US12065714B2Method for carbon-catalysed thiosulfate leaching of gold-bearing materialsBARRICK GOLD CORP·Filed 2023·Granted Aug 20, 2024·0 cites·20 claims
- 1677US11639540B2Method for carbon-catalysed thiosulfate leaching of gold-bearing materialsBARRICK GOLD CORP·Filed 2020·Granted May 2, 2023·1 cites·23 claims
- 1775US7862786B2Selective precipitation of metal sulfidesBARRICK GOLD CORP·Filed 2007·Granted Jan 4, 2011·3 cites·29 claims
- 1874US6234318B1Flotation and cyanidation process controlBARRICK GOLD CORP·Filed 1999·Granted May 22, 2001·30 cites·27 claims
- 1973US8016912B2Process for recovering platinum group metals using reductantsBARRICK GOLD CORP·Filed 2008·Granted Sep 13, 2011·4 cites·43 claims
- 2071US9534273B2Alkaline and acid pressure oxidation of precious metal-containing materialsBARRICK GOLD CORP·Filed 2013·Granted Jan 3, 2017·2 cites·18 claims
- 2168US9194023B2Recovery of gold from roaster calcine leach tailingsBARRICK GOLD CORP·Filed 2013·Granted Nov 24, 2015·2 cites·21 claims
- 2264US7918919B2Process for mercury control during pressure oxidationBARRICK GOLD CORP·Filed 2008·Granted Apr 5, 2011·1 cites·22 claims
- 2354US6296773B1Removal of boron and fluoride from waterBARRICK GOLD CORP·Filed 2000·Granted Oct 2, 2001·12 cites·26 claims
- 2450US10077487B2Method for arsenic oxidation and removal from process and waste solutionsBARRICK GOLD CORP·Filed 2014·Granted Sep 18, 2018·0 cites·24 claims
- 2549US2009158893A1Microbial pre-treatment of double refractory gold oresBARRICK GOLD CORP·Filed 2008·Application pending·0 cites
- 2645US7232554B2Process for recovering arsenic from acidic aqueous solutionBARRICK GOLD CORP·Filed 2001·Granted Jun 19, 2007·5 cites·12 claims
- 2745US6039789ARemoval of boron and fluoride from waterBARRICK GOLD CORP·Filed 1998·Granted Mar 21, 2000·13 cites·7 claims
- 2844US5989330AAcid resistant cement compositionBARRICK GOLD CORP·Filed 1997·Granted Nov 23, 1999·11 cites·31 claims
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