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with non-acid solutions containing salts of alkali or alkaline earth metals
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CPC
C22B15/008
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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
C22B15/008
with non-acid solutions containing salts of alkali or alkaline earth metals
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Patents Grants
last 30 patents
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Patent Grant
Lithium ion battery scrap treatment method
Patent number
11,961,980
Issue date
Apr 16, 2024
JX Metals Corporation
Junichi Arakawa
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for recovering Cu and method of preparing electrolytic copper
Patent number
11,946,116
Issue date
Apr 2, 2024
JX Metals Corporation
Yuken Fukano
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
Processes for producing granular copper
Patent number
11,806,789
Issue date
Nov 7, 2023
Destiny Copper Inc.
Ian David Brindle
B22 - CASTING POWDER METALLURGY
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
Mineral processing method
Patent number
11,697,862
Issue date
Jul 11, 2023
Kyushu University, National University Corporation
Tsuyoshi Hirajima
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method for whole component microwave fast digestion and precious me...
Patent number
11,661,639
Issue date
May 30, 2023
Beijing University of Technology
Yufeng Wu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal recovery method using adsorbent
Patent number
11,473,169
Issue date
Oct 18, 2022
DANAM-ENE CO. LTD.
Young Min Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System for use in producing a metal ion suspension and process of u...
Patent number
11,459,638
Issue date
Oct 4, 2022
CDA RESEARCH GROUP, INC.
Dominic C. Abbott
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Mineral processing plant
Patent number
11,446,678
Issue date
Sep 20, 2022
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Method for enriching precious metals from printed circuit board inc...
Patent number
11,447,845
Issue date
Sep 20, 2022
Beijing University of Technology
Dean Pan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System for use in producing a metal ion suspension and process of u...
Patent number
11,193,184
Issue date
Dec 7, 2021
CDA RESEARCH GROUP, INC.
Dominic C. Abbott
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering precious metals from clay-containing ores
Patent number
11,111,559
Issue date
Sep 7, 2021
Ethox Chemicals, LLC
Charles F. Palmer
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Flotation reagents and flotation processes utilizing same
Patent number
11,007,538
Issue date
May 18, 2021
Cytec Technology Corp.
Devarayasamudram Ramachandran Nagaraj
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Coalescing elements in copper production
Patent number
10,988,827
Issue date
Apr 27, 2021
3M Innovative Properties Company
Clinton P. Waller
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Recovery of copper from copper-containing sulfide ores
Patent number
10,961,633
Issue date
Mar 30, 2021
The Doe Run Resources Corporation
Timothy Roy Hymer
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
System and method for recovering desired materials and producing cl...
Patent number
10,894,258
Issue date
Jan 19, 2021
Thomas Valerio
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Method for removing arsenic from materials containing same
Patent number
10,865,461
Issue date
Dec 15, 2020
MOLIBDENOS Y METALES S.A.
John Patrick Graell Moore
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Opportunities for recovery augmentation process as applied to molyb...
Patent number
10,774,400
Issue date
Sep 15, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. Rothman
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process of extraction of a platinum group metal or gold from organi...
Patent number
10,752,976
Issue date
Aug 25, 2020
Universite de Strasbourg
Frédéric Jean-Jacques Bihel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of recovering base metals from low grade ores and residues
Patent number
10,724,117
Issue date
Jul 28, 2020
SIRCH GROUP (PTY) LTD.
Nicholas Conradie
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for controlling iron via magnetite formation in hydrometall...
Patent number
10,689,732
Issue date
Jun 23, 2020
FLSMIDTH A/S
David John Chaiko
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Renewable isoparaffins as diluent in hydrometallurgical liquid-liqu...
Patent number
10,689,728
Issue date
Jun 23, 2020
Outotec (Finland) Oy
Erkki Paatero
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
Process for recovering precious metals from clay-containing ores
Patent number
10,604,821
Issue date
Mar 31, 2020
Ethox Chemicals, LLC
Charles F. Palmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of copper from arsenic-containing process feed
Patent number
10,544,482
Issue date
Jan 28, 2020
Sherritt International Corporation
Kelvin Richard Buban
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Processes for recovering non-ferrous metals from solid matrices
Patent number
10,533,238
Issue date
Jan 14, 2020
METALS TECHNOLOGY DEVELOPMENT COMPANY LLC
Massimo Giuseppe Maccagni
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for copper and/or precious metal recovery
Patent number
10,480,046
Issue date
Nov 19, 2019
Curtin University of Technology
Jacobus Johannes Eksteen
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...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING LOW-ARSENIC COPPER CONCENTRATE
Publication number
20240124952
Publication date
Apr 18, 2024
NITTETSU MINING CO., LTD.
Yousuke EBISU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LITHIUM ION BATTERY RECYCLING PROCESS UTILIZING MAGNETIC SEPARATION...
Publication number
20240047775
Publication date
Feb 8, 2024
UChicago Argonne, LLC
Albert L. LIPSON
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR RECOVERY OF METALS AND METAL ALLOYS FROM WASTE LITHIUM-I...
Publication number
20240002978
Publication date
Jan 4, 2024
THE SECRETARY, MINISTRY OF ELECTRONICS AND INFORMATION TECHNOLOGY, GOVT. OF I...
Rajesh Kumar Sivasankaran NAIR
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RECOVERY OF METALS FROM LITHIUM-ION BATTERIES
Publication number
20240006677
Publication date
Jan 4, 2024
REDIVIVUS, INC.
Alejandro F. GRAF
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
OXIDATIVE BIOLEACHING OF BASE METALS
Publication number
20230407435
Publication date
Dec 21, 2023
BHP Chile Inc.
Clement Chilowa Chibwana
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A CONTROL SYSTEM OF A COPPER EXTRACTION PROCESS
Publication number
20230383378
Publication date
Nov 30, 2023
KEMIRA OYJ
Sampsa GREUS
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHODS FOR IMPURITY REMOVAL AND TREATMENT IN RECYCLING PROCESS OF...
Publication number
20230352756
Publication date
Nov 2, 2023
SICHUAN ENERGY INTERNET RESEARCH INSTITUTE, TSINGHUA UNIVERSITY
Joey Chung-Yen JUNG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES AND SYSTEMS FOR PURIFYING AND RECYCLING LITHIUM-ION BATTE...
Publication number
20230304128
Publication date
Sep 28, 2023
GREEN LI-ION PTE. LTD.
Ebrahim AKHONDI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
EXTRACTION OF BASE METALS USING CARBONACEOUS MATTER AND A THIOCARBO...
Publication number
20230257852
Publication date
Aug 17, 2023
Jetti Resources, LLC
Zihe Ren
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
PROCESSES FOR PRODUCING GRANULAR COPPER
Publication number
20220402030
Publication date
Dec 22, 2022
Destiny Copper Inc.
Ian David Brindle
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PROCESSING ORE OR REFINING INTERMEDIATE
Publication number
20220298600
Publication date
Sep 22, 2022
JX NIPPON MINING & METALS CORPORATION
Yuken FUKANO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for whole component microwave fast digestion and precious me...
Publication number
20220267879
Publication date
Aug 25, 2022
BEIJING UNIVERSITY OF TECHNOLOGY
Yufeng WU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PROCESSING COPPER AND NICKEL SULFIDE MATERIALS
Publication number
20220243302
Publication date
Aug 4, 2022
PUBLIC JOINT STOCK COMPANY "MINING AND METALLURGICAL COMPANY "NORILSK NICKEL"
Boris Eduardovich ZATITSKY
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Separation of Radiometals
Publication number
20220118379
Publication date
Apr 21, 2022
TECHNICAL UNIVERSITY OF DENMARK
Fedor ZHURAVLEV
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM...
Publication number
20220119913
Publication date
Apr 21, 2022
Freeport Minerals Corporation
Christine Rae Green
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
REAGENT COMPOSITIONS FOR METAL SOLVENT EXTRACTION AND METHODS OF P...
Publication number
20210381080
Publication date
Dec 9, 2021
BASF SE
Jack Bender
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SYSTEM FOR USE IN PRODUCING A METAL ION SUSPENSION AND PROCESS OF U...
Publication number
20210363607
Publication date
Nov 25, 2021
CDA RESEARCH GROUP, INC.
Dominic C. ABBOTT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A Method for Enriching Precious Metals from Printed Circuit Board I...
Publication number
20210324496
Publication date
Oct 21, 2021
BEIJING UNIVERSITY OF TECHNOLOGY
Dean Pan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SEPARATING COPPER FROM NICKEL AND COBALT
Publication number
20210262060
Publication date
Aug 26, 2021
Sumitomo Metal Mining Co., Ltd.
Tatsuya Higaki
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
METAL RECOVERY METHOD USING ADSORBENT
Publication number
20210130925
Publication date
May 6, 2021
DANAM-ENE CO.LTD.
Young Min OH
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Application
OPPORTUNITIES FOR RECOVERY AUGMENTATION PROCESS AS APPLIED TO MOLYB...
Publication number
20210071283
Publication date
Mar 11, 2021
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR RECOVERING Cu AND METHOD OF PREPARING ELECTROLYTIC COPPER
Publication number
20210032722
Publication date
Feb 4, 2021
JX NIPPON MINING & METALS CORPORATION
Yuken FUKANO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM FOR USE IN PRODUCING A METAL ION SUSPENSION AND PROCESS OF U...
Publication number
20200270723
Publication date
Aug 27, 2020
CDA RESEARCH GROUP, INC.
Dominic C. ABBOTT
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MINERAL PROCESSING PLANT
Publication number
20200078795
Publication date
Mar 12, 2020
CiDRA CORPORATE SERVICES LLC
Paul J. ROTHMAN
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
Process for Recovering Precious Metals from Clay-Containing Ores
Publication number
20200002783
Publication date
Jan 2, 2020
Ethox Chemicals, LLC
Charles F. Palmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Alkaline Oxidation Methods and Systems for Recovery of Metals from...
Publication number
20190376158
Publication date
Dec 12, 2019
Hycroft Mining Corporation
Randy Buffington
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MINERAL PROCESSING METHOD
Publication number
20190360072
Publication date
Nov 28, 2019
KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
Tsuyoshi HIRAJIMA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Use of Surfactants to Extract a Platinum Group Metal or Gold from O...
Publication number
20190316223
Publication date
Oct 17, 2019
Centre National de la Recherche Scientifique
Frédéric Jean-Jacques Bihel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...