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C22B15/0008
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B15/00
Obtaining copper
Current Industry
C22B15/0008
by wet processes
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Patents Grants
last 30 patents
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...
Information
Patent Grant
Method for producing concentrates
Patent number
7,510,593
Issue date
Mar 31, 2009
Outotec Oyj
Seppo Heimala
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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...
Information
Patent Application
INTEGRATED HYDROMETALLURGICAL AND PYROMETALLURGICAL PROCESSING OF B...
Publication number
20080173132
Publication date
Jul 24, 2008
Ausenco Services Pty Ltd
Grenvil Marquis Dunn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for the Treatment of Copper-Bearing Materials
Publication number
20080152558
Publication date
Jun 26, 2008
OUTOTEC OYJ
Stig-Erik Hultholm
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method to improve the cleaner froth flotation process
Publication number
20070138065
Publication date
Jun 21, 2007
Daniele Cristina Almeida Hummel Pimenta Santos
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...