7 patents
Utility
Method for Carbon-catalysed Thiosulfate Leaching of Gold-bearing Materials
5 Oct 23
The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material.
Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski
Filed: 16 Mar 23
Utility
Method for carbon-catalysed thiosulfate leaching of gold-bearing materials
2 May 23
The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material.
Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski
Filed: 21 Jan 20
Utility
Method for pre-treatment of gold-bearing oxide ores
2 Aug 22
The disclosure relates to pre-treatment of precious metal-bearing oxide ores, prior to precious metal leaching by thiosulfate.
Yeonuk Choi, Ahmad Ghahremaninezhad Gharelar
Filed: 29 Jan 20
Utility
Method for Recovering Precious Metals from Thiosulfate Leach Solutions
2 Dec 20
The present disclosure is directed to a process for thiosulfate leaching of a precious metal-containing material and recovering a precious metal from a pregnant leach solution using a resin extractant.
Allen Robert Morris, Tyler Warnock Carroll
Filed: 2 Jun 20
Utility
Method for Carbon-catalysed Thiosulfate Leaching of Gold-bearing Materials
22 Jul 20
The present disclosure is directed to a gold recovery process in which activated carbon or another carbon-based material is used to accelerate thiosulfate leaching of gold from a gold-bearing material.
Oscar German Olvera Olmedo, Daniel Feliks Raphael Domanski
Filed: 20 Jan 20
Utility
Method for Pre-treatment of Gold-bearing Oxide Ores
27 May 20
The disclosure relates to pre-treatment of precious metal-bearing oxide ores, prior to precious metal leaching by thiosulfate.
Yeonuk Choi, Ahmad Ghahremaninezhad Gharelar
Filed: 28 Jan 20
Utility
Method for pre-treatment of gold-bearing oxide ores
23 Mar 20
The disclosure relates to pre-treatment of precious metal-bearing oxide ores, prior to precious metal leaching by thiosulfate.
Yeonuk Choi, Ahmad Ghahremaninezhad Gharelar
Filed: 10 Oct 17
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