|
2025
|
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 recovering gold from refractory materials. The present disclosure is directed to a pro... |
|
|
Invention
|
Method for recovering precious metals from thiosulfate leach solutions.
The present disclosure i... |
|
|
Invention
|
Method for pre-treatment of gold-bearing oxide ores. The disclosure relates to pre-treatment of p... |
|
2019
|
P/S
|
Jewellery coated with precious metal alloys; jewellery; precious stones Mining extraction service... |
|
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 ... |
|
2016
|
Invention
|
Separation of copper minerals from pyrite using air-metabisulfite treatment. The present inventio... |
|
2014
|
Invention
|
Method for arsenic oxidation and removal from process and waste solutions. The disclosure relates... |
|
|
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... |
|
2012
|
Invention
|
Method for recovering precious metals and copper from leach solutions. The present disclosure is ... |
|
|
Invention
|
Method for recovering precious metals and copper from leach solutions. A process for recovering a... |
|
2011
|
Invention
|
Alkaline and acid pressure oxidation of precious metal-containing materials. The present in... |
|
|
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
|
Invention
|
Separation of copper minerals from pyrite using air-metabisulfite treatment. Embodiments of the p... |
|
2009
|
Invention
|
Reduction of lime consumption when treating refractory gold ores or concentrates. The present inv... |
|
2008
|
Invention
|
Microbial pre-treatment of double refractory gold ores.
The present invention is directed to rec... |
|
|
Invention
|
Microbial pre-treatment of double refractory gold ores. The present invention is directed ... |
|
|
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 recovering platinum group metals using reductants. In the process of recovering plati... |
|
|
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
|
Selective precipitation of metal sulfides. A method for recovering zinc ions by selective sulfide... |
|
|
Invention
|
Process for reduced alkali consumption in the recovery of silver. The present invention is direct... |
|
|
Invention
|
Autoclave with underflow dividers. The present invention is directed to a multi -compartment auto... |
|
1994
|
P/S
|
Gold mining and the mining of silver, copper and base metals; planning, designing, engineering an... |
