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2025
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P/S
|
Common metals; wrought and unwrought common metals, alloys, ingots, common metal bars for further... |
|
2023
|
Invention
|
Method for carbon-catalysed thiosulfate leaching of gold-bearing materials. The present disclosur... |
|
2020
|
Invention
|
Method for recovering precious metals from thiosulfate leach solutions. The present disclosure is... |
|
|
Invention
|
Method for pre-treatment of gold-bearing oxide ores. The disclosure relates to pre-treatment of p... |
|
2019
|
P/S
|
(Based on 44(e)) Common metals; wrought and unwrought common metals, alloys, ingots, common metal... |
|
|
P/S
|
Precious metals and their alloys; ornaments made of or coated with precious metals, gold, silver ... |
|
|
P/S
|
Jewellery coated with precious metal alloys; jewellery; precious stones Mining extraction service... |
|
|
P/S
|
(Based on 44(d) Priority Application) (Based on 44(e)) Precious metals and their alloys; precious... |
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2018
|
P/S
|
Development of marketing strategies and marketing concepts for others in the fields of precious a... |
|
2017
|
Invention
|
Co-current and counter current resin-in-leach in gold leaching processes. A method and system are... |
|
|
P/S
|
Gold mining extraction and mining of silver, copper and base metals. Mine design and engineering ... |
|
|
P/S
|
Gold mining extraction and mining extraction of silver, copper and base metals Custom mine design... |
|
|
P/S
|
Gold mining extraction and mining of silver, copper and base metals.
Mine design and engineering ... |
|
2016
|
Invention
|
Separation of copper minerals from pyrite using air-metabisulfite treatment. The present inventio... |
|
2015
|
P/S
|
gold mining extraction and the mining of silver, copper and base metals |
|
2014
|
Invention
|
Method for arsenic oxidation and removal from process and waste solutions. 5+). A carbon additive... |
|
2013
|
Invention
|
Alkaline and acid pressure oxidation of precious metal-containing materials. The present inventio... |
|
|
Invention
|
Recovery of gold from roaster calcine leach tailings. A method to recover gold lost in roaster ca... |
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2012
|
Invention
|
Method for recovering precious metals and copper from leach solutions. The present disclosure is ... |
|
|
P/S
|
Mine design and engineering in the field of mine exploration of precious and base metals |
|
|
P/S
|
(Based on Sections 1(a) and 44(e)) Gold mining extraction and mining of silver, copper and base m... |
|
2011
|
P/S
|
Gold mining and the mining of silver, copper and base metals; mine design, engineering and consul... |
|
|
Invention
|
Production of zinc sulphate concentrates from a dilute zinc sulphate solution. In an embodiment, ... |
|
2010
|
P/S
|
Common metals; wrought and unwrought metals, alloys, ingots, metal bars, intermetallic compounds;... |
|
2008
|
Invention
|
Process for controlling acid in sulfide pressure oxidation processes. The present invention is di... |
|
|
Invention
|
Process for recovering gold and silver from refractory ores. The present invention is directed to... |
|
|
Invention
|
Method to improve recovery of gold from double refractory gold ores. The present invention is dir... |
|
|
Invention
|
Process for mercury control during pressure oxidation. A method for suppressing mercury dissoluti... |
|
2007
|
Invention
|
Selective precipitation of metal sulfides. A method for recovering zinc ions by selective zinc su... |
|
|
Invention
|
Process for reduced alkali consumption in the recovery of silver. The present invention is direct... |
|
2006
|
Invention
|
Thiosulfate generation in situ in precious metal recovery. Precious metal recovery by thiosulfate... |
|
1994
|
P/S
|
Planning and administrative services relating to the exploration, evaluation, development, mining... |
