Inventor · disambiguated record
Yeonuk Choi
Also filed as: CHOI YEONUK
16 granted patents·2 pending applications·81 citations·filing 2002–2021
92Inventor score
Top patents by PatentIndex Score
18 records- 0190US10415116B2Co-current and counter current resin-in-leach in gold leaching processesBARRICK GOLD CORP·Filed 2017·Granted Sep 17, 2019·4 cites·33 claims
- 0290US9051625B2Method for recovering precious metals and copper from leach solutionsCHOI YEONUK·Filed 2012·Granted Jun 9, 2015·12 cites·22 claims
- 0389US10597752B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2017·Granted Mar 24, 2020·3 cites·36 claims
- 0489US10161016B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2014·Granted Dec 25, 2018·5 cites·21 claims
- 0589US9790572B2Co-current and counter current resin-in-leach in gold leaching processesBARRICK GOLD CORP·Filed 2013·Granted Oct 17, 2017·6 cites·29 claims
- 0689US8715389B2Co-current and counter current resin-in-leach in gold leaching processesCHOI YEONUK·Filed 2011·Granted May 6, 2014·7 cites·30 claims
- 0788US7572317B2Thiosulfate generation in situ in precious metal recoveryBARRICK GOLD CORP·Filed 2006·Granted Aug 11, 2009·13 cites·40 claims
- 0885US8900535B2Production of zinc sulphate concentrates from a dilute zinc sulphate solutionCHOI YEONUK·Filed 2011·Granted Dec 2, 2014·5 cites·24 claims
- 0980US11401580B2Method for pre-treatment of gold-bearing oxide oresBARRICK GOLD CORP·Filed 2020·Granted Aug 2, 2022·1 cites·20 claims
- 1078US9803260B2Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metalsAKZO NOBEL CHEMICALS INT BV·Filed 2014·Granted Oct 31, 2017·2 cites·14 claims
- 1175US7862786B2Selective precipitation of metal sulfidesBARRICK GOLD CORP·Filed 2007·Granted Jan 4, 2011·3 cites·29 claims
- 1274US6726889B2Production of zinc oxide from acid soluble ore using precipitation methodNORANDA INC·Filed 2002·Granted Apr 27, 2004·13 cites·20 claims
- 1371US8252254B2Process for reduced alkali consumption in the recovery of silverCHOI YEONUK·Filed 2007·Granted Aug 28, 2012·3 cites·32 claims
- 1468US8262770B2Process for controlling acid in sulfide pressure oxidation processesHILLIER DANIEL·Filed 2008·Granted Sep 11, 2012·3 cites·20 claims
- 1564US7918919B2Process for mercury control during pressure oxidationBARRICK GOLD CORP·Filed 2008·Granted Apr 5, 2011·1 cites·22 claims
- 1661US2024313285A1Recovery of Metals from Materials Containing Lithium and IronUNIV KINGSTON·Filed 2021·Application pending·0 cites
- 1750US10077487B2Method for arsenic oxidation and removal from process and waste solutionsBARRICK GOLD CORP·Filed 2014·Granted Sep 18, 2018·0 cites·24 claims
- 1849US2009158893A1Microbial pre-treatment of double refractory gold oresBARRICK GOLD CORP·Filed 2008·Application pending·0 cites
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