by wet processes

Industry

CPC
C22B15/0008

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Parent Industries

CCHEMISTRY METALLURGY C22Metallurgy C22BPRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS C22B15/00Obtaining copper

Current Industry

C22B15/0008by wet processes

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for leaching a metal-bearing material
- Patent number 12,018,349
- Issue date Jun 25, 2024
- Freeport Minerals Corporation
- Sarah Lyons
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of precious metals from copper anode slime
- Patent number 11,814,699
- Issue date Nov 14, 2023
- AMIRKABIR UNIVERSITY OF TECHNOLOG
- Malek Naderi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Acid balance in a chloride heap leach
- Patent number 11,732,325
- Issue date Aug 22, 2023
- BHP CHILE INC.
- Damaso Barrios Ormeno
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of leaching arsenic from ore comprising copper
- Patent number 11,149,328
- Issue date Oct 19, 2021
- Colorado School of Mines
- Kimberly D. Conner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for improved metal recovery using ammonia leaching
- Patent number 10,662,502
- Issue date May 26, 2020
- Freeport Minerals Corporation
- Joanna M Robertson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Direct electrowinning process with leaching solution
- Patent number 10,633,751
- Issue date Apr 28, 2020
- Proter S.p.A.
- María Angélica Melo Mundaca
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Leaching copper-containing ores
- Patent number 10,563,284
- Issue date Feb 18, 2020
- Technological Resources PTY Limited
- Daniel Arthur Kittelty
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heap leaching
- Patent number 10,526,685
- Issue date Jan 7, 2020
- Technological Resources PTY Limited
- Paul Leslie Brown
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the improvement of copper leaching processes using calc...
- Patent number 10,400,308
- Issue date Sep 3, 2019
- Antofagasta Minerals S.A.
- Abraham Backit Gutiérrez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Purification of copper concentrate by removal of arsenic and antimo...
- Patent number 10,385,420
- Issue date Aug 20, 2019
- Alchemides Pty Ltd
- Peter John Bartsch
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Separation of copper minerals from pyrite using air-metabisulfite t...
- Patent number 10,258,996
- Issue date Apr 16, 2019
- Barrick Gold Corporation
- Barun Gorain
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Polymer support and method of leaching of mineral concentrates
- Patent number 10,036,081
- Issue date Jul 31, 2018
- SOCIEDAD PUNTA DEL COBRE S.A.
- Juan Rivadeneira Hurtado
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Systems and methods for improved metal recovery using ammonia leaching
- Patent number 10,006,133
- Issue date Jun 26, 2018
- Freeport Minerals Corporation
- Joanna M Robertson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering a copper sulfide concentrate from an ore cont...
- Patent number 9,839,917
- Issue date Dec 12, 2017
- Evonik Degussa GmbH
- Christopher Greet
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Heap leaching method
- Patent number 9,816,155
- Issue date Nov 14, 2017
- BHP CHILE INC.
- Eduardo Luis Patiño Martinez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for preparing a ferric nitrate reagent from copper raffinat...
- Patent number 9,683,277
- Issue date Jun 20, 2017
- Likivia Process Metalúrgicos SPA
- Alejandro Cartagena Fagerstrom
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hydrometallurgical method for the removal of radionuclides from rad...
- Patent number 9,587,290
- Issue date Mar 7, 2017
- Orway Mineral Consultants (WA) Pty, Ltd.
- Grenvil Marquis Dunn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of copper minerals from pyrite using air-metabisulfite t...
- Patent number 9,346,062
- Issue date May 24, 2016
- Barrick Gold Corporation
- Barun Gorain
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for separating arsenic mineral from copper-bearing material...
- Patent number 8,960,444
- Issue date Feb 24, 2015
- Sumitomo Metal Mining Co., Ltd.
- Daishi Ochi
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Leaching process for copper concentrates containing chalcopyrite
- Patent number 8,795,612
- Issue date Aug 5, 2014
- The University of British Columbia
- David G. Dixon
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metathetic copper concentrate enrichment
- Patent number 8,741,238
- Issue date Jun 3, 2014
- Polymet Mining Corp.
- David Bruce Dreisinger
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for separating arsenic mineral from copper-bearing material...
- Patent number 8,685,350
- Issue date Apr 1, 2014
- Sumitomo Metal Mining Co., Ltd.
- Hideyuki Okamoto
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Process for the beneficiation of ores by means of hydrophobic surfaces
- Patent number 8,408,395
- Issue date Apr 2, 2013
- BASF SE
- Imme Domke
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for ammoniacal leaching
- Patent number 8,388,729
- Issue date Mar 5, 2013
- Metaleach Limited
- Nicholas J. Welham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Hardwood lignosulfonates for separating gangue materials from metal...
- Patent number 8,221,709
- Issue date Jul 17, 2012
- LignoTech USA, Inc.
- Jerry D. Gargulak
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Process for gold and silver recovery from a sulphide concentrate
- Patent number 8,025,859
- Issue date Sep 27, 2011
- CESL Limited
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of treating metal bearing crushed rock to control respirabl...
- Patent number 7,998,244
- Issue date Aug 16, 2011
- Freedom Industries, Inc.
- Kevin D. Skiles
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for increasing metal production in smelter operations
- Patent number 7,947,327
- Issue date May 24, 2011
- General Electric Company
- Gert-Jan Oude Egberick
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for the treatment of copper-bearing materials
- Patent number 7,811,534
- Issue date Oct 12, 2010
- Outotec Oyj
- Stig-Erik Hultholm
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovery of copper from copper-bearing material using p...
- Patent number 7,736,488
- Issue date Jun 15, 2010
- Freeport-McMoran Corporation
- John O Marsden
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
MINERAL PROCESSING METHOD
- Publication number 20240327947
- Publication date Oct 3, 2024
- KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
- Tsuyoshi HIRAJIMA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL
- Publication number 20240301529
- Publication date Sep 12, 2024
- Freeport Minerals Corporation
- Sarah Lyons
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR TREATING ALLOY
- Publication number 20240266627
- Publication date Aug 8, 2024
- SUMITOMO METAL CO., LTD.
- Hirofumi Shouji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL
- Publication number 20230090475
- Publication date Mar 23, 2023
- Freeport Minerals Corporation
- Sarah Lyons
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
OPTIMIZED BIOPROCESSING METHOD
- Publication number 20210262059
- Publication date Aug 26, 2021
- Darren Craig Megaw
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ACID BALANCE IN A CHLORIDE HEAP LEACH
- Publication number 20210207245
- Publication date Jul 8, 2021
- BHP Chile Inc.
- Damaso BARRIOS ORMENO
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION TH...
- Publication number 20200048735
- Publication date Feb 13, 2020
- NOURYON CHEMICALS INTERNATIONAL B.V.
- Andrew Clist Lewis
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
PROCESS FOR METAL RECOVERY IN FLOTATION OPERATIONS
- Publication number 20190256950
- Publication date Aug 22, 2019
- PASSAU S.A.
- Franziskus Horn
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING
- Publication number 20180298505
- Publication date Oct 18, 2018
- Freeport Minerals Corporation
- Joanna M Robertson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process For the Improvement of Copper Leaching Processes Using Calc...
- Publication number 20170335428
- Publication date Nov 23, 2017
- Antofagasta Minerals S.A.
- Abraham Backit Gutiérrez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING
- Publication number 20160068977
- Publication date Mar 10, 2016
- Freeport Minerals Corporation
- Joanna M. Robertson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
HYDROMETALLURGICAL METHOD FOR THE REMOVAL OF RADIONUCLIDES FROM RAD...
- Publication number 20150329938
- Publication date Nov 19, 2015
- ORWAY MINERAL CONSULTANTS (WA) PTY LTD.
- Grenvil Marquis DUNN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Heap Leaching Method
- Publication number 20150232963
- Publication date Aug 20, 2015
- BHP Chile Inc.
- Eduardo Luis Patiño Martinez
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PRESSURE OXIDATION OF ENARGITE CONCENTRATES CONTAINING GOLD AND SILVER
- Publication number 20150123030
- Publication date May 7, 2015
- Colorado School Of Mines
- Kimberly D. Conner
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR PREPARING A FERRIC NITRATE REAGENT FROM COPPER RAFFINAT...
- Publication number 20150082943
- Publication date Mar 26, 2015
- Alejandro CARTAGENA FAGERSTROM
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING
- Publication number 20140260806
- Publication date Sep 18, 2014
- FREEPORT-MCMORAN CORPORATION
- Joanna M. Robertson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METATHETIC COPPER CONCENTRATE ENRICHMENT
- Publication number 20140044617
- Publication date Feb 13, 2014
- Polymet Mining Corp.
- David Bruce Dreisinger
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
LEACHING PROCESS FOR COPPER CONCENTRATES CONTAINING CHALCOPYRITE
- Publication number 20130209335
- Publication date Aug 15, 2013
- The Univeristy of British Columbia
- David G. Dixon
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...
- Publication number 20130004389
- Publication date Jan 3, 2013
- KYUSHU UNIVERSITY NATIONAL UNIVERSITY CORPORATION
- Hideyuki Okamoto
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METATHETIC COPPER CONCENTRATE ENRICHMENT
- Publication number 20120027652
- Publication date Feb 2, 2012
- Polymet Mining Corp.
- David Bruce Dreisinger
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE T...
- Publication number 20110155651
- Publication date Jun 30, 2011
- BARRICK GOLD CORPORATION
- Barun Gorain
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...
- Publication number 20110094942
- Publication date Apr 28, 2011
- Sumitomo Mining Co., Ltd.
- Daishi Ochi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Hardwood Lignosulfonates for Separating Gangue Materials From Metal...
- Publication number 20100233050
- Publication date Sep 16, 2010
- LIGNOTECH USA, INC.
- Jerry D. Gargulak
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE BENEFICIATION OF ORES BY MEANS OF HYDROPHOBIC SURFACES
- Publication number 20100200510
- Publication date Aug 12, 2010
- BASF SE
- Imme Domke
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR AMMONIACAL LEACHING
- Publication number 20100180728
- Publication date Jul 22, 2010
- METALEACH LIMITED
- Nicholas J. Welham
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS OF TREATING METAL BEARING CRUSHED ROCK TO CONTROL RESPIRABL...
- Publication number 20100147111
- Publication date Jun 17, 2010
- Freedom Industries, Inc.
- KEVIN D. SKILES
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR RECOVERY OF COPPER FROM COPPER-BEARING MATERIAL USING P...
- Publication number 20090101518
- Publication date Apr 23, 2009
- PHELPS DODGE CORPORATION
- John O. Marsden
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for gold and silver recovery from a sulphide concentrate
- Publication number 20080286180
- Publication date Nov 20, 2008
- COMINCO ENGINEERING SERVICES LTD.
- David L. Jones
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for Leaching Metal Sulphide Minerals
- Publication number 20080241024
- Publication date Oct 2, 2008
- OUTOTEC OYJ
- Marja Riekkola-Vanhanen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for increasing metal production in smelter operations
- Publication number 20080175771
- Publication date Jul 24, 2008
- GENERAL ELECTRIC COMPANY
- Gert-Jan Oude Egberink
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

by wet processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and systems for leaching a metal-bearing material

Recovery of precious metals from copper anode slime

Acid balance in a chloride heap leach

Method of leaching arsenic from ore comprising copper

Systems and methods for improved metal recovery using ammonia leaching

Direct electrowinning process with leaching solution

Leaching copper-containing ores

Heap leaching

Process for the improvement of copper leaching processes using calc...

Purification of copper concentrate by removal of arsenic and antimo...

Separation of copper minerals from pyrite using air-metabisulfite t...

Polymer support and method of leaching of mineral concentrates

Systems and methods for improved metal recovery using ammonia leaching

Method for recovering a copper sulfide concentrate from an ore cont...

Heap leaching method

Process for preparing a ferric nitrate reagent from copper raffinat...

Hydrometallurgical method for the removal of radionuclides from rad...

Separation of copper minerals from pyrite using air-metabisulfite t...

Method for separating arsenic mineral from copper-bearing material...

Leaching process for copper concentrates containing chalcopyrite

Metathetic copper concentrate enrichment

Method for separating arsenic mineral from copper-bearing material...

Process for the beneficiation of ores by means of hydrophobic surfaces

Method for ammoniacal leaching

Hardwood lignosulfonates for separating gangue materials from metal...

Process for gold and silver recovery from a sulphide concentrate

Process of treating metal bearing crushed rock to control respirabl...

Method for increasing metal production in smelter operations

Method for the treatment of copper-bearing materials

Process for recovery of copper from copper-bearing material using p...

Patents Applicationslast 30 patents

MINERAL PROCESSING METHOD

METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL

METHOD FOR TREATING ALLOY

METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL

OPTIMIZED BIOPROCESSING METHOD

ACID BALANCE IN A CHLORIDE HEAP LEACH

PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION TH...

PROCESS FOR METAL RECOVERY IN FLOTATION OPERATIONS

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

Process For the Improvement of Copper Leaching Processes Using Calc...

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

HYDROMETALLURGICAL METHOD FOR THE REMOVAL OF RADIONUCLIDES FROM RAD...

Heap Leaching Method

PRESSURE OXIDATION OF ENARGITE CONCENTRATES CONTAINING GOLD AND SILVER

PROCESS FOR PREPARING A FERRIC NITRATE REAGENT FROM COPPER RAFFINAT...

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

METATHETIC COPPER CONCENTRATE ENRICHMENT

LEACHING PROCESS FOR COPPER CONCENTRATES CONTAINING CHALCOPYRITE

METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...

METATHETIC COPPER CONCENTRATE ENRICHMENT

SEPARATION OF COPPER MINERALS FROM PYRITE USING AIR-METABISULFITE T...

METHOD FOR SEPARATING ARSENIC MINERAL FROM COPPER-BEARING MATERIAL...

Hardwood Lignosulfonates for Separating Gangue Materials From Metal...

PROCESS FOR THE BENEFICIATION OF ORES BY MEANS OF HYDROPHOBIC SURFACES

METHOD FOR AMMONIACAL LEACHING

PROCESS OF TREATING METAL BEARING CRUSHED ROCK TO CONTROL RESPIRABL...

PROCESS FOR RECOVERY OF COPPER FROM COPPER-BEARING MATERIAL USING P...

Process for gold and silver recovery from a sulphide concentrate

Method for Leaching Metal Sulphide Minerals

Method for increasing metal production in smelter operations