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C22B3/04
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C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
C22B3/00
Extraction of metal compounds from ores or concentrates by wet processes
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C22B3/04
by leaching
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for determining changes to a heat profile of a st...
Patent number
12,353,196
Issue date
Jul 8, 2025
Freeport Minerals Corporation
Steven Chad Richardson
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
All-in-one nickel recovering method for nickel metal recovery from...
Patent number
12,325,894
Issue date
Jun 10, 2025
KOREA ZINC CO., LTD.
Heon Sik Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Apparatus, method and system for monitoring
Patent number
12,325,897
Issue date
Jun 10, 2025
Commonwealth Scientific and Industrial Research Organisation
Mikko Vepsäläinen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and device for preparing trivalent chromium salt by electroc...
Patent number
12,312,698
Issue date
May 27, 2025
QINGHAI INSTITUTE OF SALT LAKES, CHINESE ACADEMY OF SCIENCES
Bo Li
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Generation of rare earth elements from organically-associated leach...
Patent number
12,312,249
Issue date
May 27, 2025
University of North Dakota
Nolan Theaker
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Dual-packer injection leaching system and method
Patent number
12,291,953
Issue date
May 6, 2025
David Gilbert
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Co-processing of copper sulphide concentrate with nickel laterite ore
Patent number
12,286,686
Issue date
Apr 29, 2025
Sherritt International Corporation
Jan Smit
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for purifying and recycling lead from spent lead-acid batte...
Patent number
12,278,352
Issue date
Apr 15, 2025
CPS Technology Holdings LLC
Matthew A. Spence
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Systems and methods for improvement of metal recovery and stability...
Patent number
12,258,650
Issue date
Mar 25, 2025
Differential Engineering Inc.
Thomas Joseph Seal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of producing lithium hydroxide from lithium concentrate thro...
Patent number
12,247,267
Issue date
Mar 11, 2025
ECOPRO INNOVATION CO., LTD.
Min-Woo Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Lithium extraction process and apparatus
Patent number
12,234,529
Issue date
Feb 25, 2025
U.S. Borax Inc.
Amit Patwardhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electrokinetic device and method for in-situ leaching of uranium
Patent number
12,168,813
Issue date
Dec 17, 2024
UNIVERSITY OF SOUTH CHINA
Chunguang Li
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Battery recycling
Patent number
12,136,713
Issue date
Nov 5, 2024
FORM ENERGY, INC.
Nicholas Reed Perkins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for obtaining vanadium oxide from a gasifier slag field
Patent number
11,945,728
Issue date
Apr 2, 2024
Reliance Industries Limited
Sateesh Daggupati
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and methods for closed-loop recycling of a liquid component...
Patent number
11,923,518
Issue date
Mar 5, 2024
Clarios Advanced Germany Gmbh & Co. KG
Eberhard Meissner
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Activation system and method for enhancing metal recovery during at...
Patent number
11,898,221
Issue date
Feb 13, 2024
FLSmidth A/S
David J. Chaiko
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Lithium extraction process and apparatus
Patent number
11,873,540
Issue date
Jan 16, 2024
U.S. Borax Inc.
Amit Patwardhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering gold from ores
Patent number
11,827,952
Issue date
Nov 28, 2023
Bromine Compounds Ltd.
Ronen Naim
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for recovering valuable elements from precombustion coal-bas...
Patent number
11,821,054
Issue date
Nov 21, 2023
University of Kentucky Research Foundation
Rick Honaker
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods for purifying and recycling lead from spent lead-acid batte...
Patent number
11,791,505
Issue date
Oct 17, 2023
CPS Technology Holdings LLC
Matthew A. Spence
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
System and methods for in situ recovery and processing of recovered...
Patent number
11,697,914
Issue date
Jul 11, 2023
Denison Mines Corp.
Peter Longo
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Material and its method for rapid eluting in an ionic rare earth or...
Patent number
11,656,207
Issue date
May 23, 2023
Tsinghua University
Guocai Zhu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Systems and methods for monitoring metal recovery systems
Patent number
11,639,539
Issue date
May 2, 2023
Freeport Minerals Corporation
John Warren Dean
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Systems and methods for improvement of metal recovery and stability...
Patent number
11,613,793
Issue date
Mar 28, 2023
Differential Engineering Inc.
Thomas Joseph Seal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for cleanly extracting metallic silver
Patent number
11,566,333
Issue date
Jan 31, 2023
Institute of Process Engineering, Chinese Academy of Sciences
Hui Zhang
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Methods for treating lithium-containing materials
Patent number
11,519,081
Issue date
Dec 6, 2022
NEMASKA LITHIUM INC.
Jean-François Magnan
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Molecularly imprinted polymer beads for extraction of metals and us...
Patent number
11,458,453
Issue date
Oct 4, 2022
6th Wave Innovations Corp.
Jonathan P. Gluckman
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for pre-treatment of gold-bearing oxide ores
Patent number
11,401,580
Issue date
Aug 2, 2022
Barrick Gold Corporation
Yeonuk Choi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for decomposing medium-/low-grade scheelite
Patent number
11,384,410
Issue date
Jul 12, 2022
Jiangxi University of Science and Technology
Linsheng Wan
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for multi-recycling, low-energy and high-purity extraction...
Patent number
11,371,117
Issue date
Jun 28, 2022
CENTRAL ENERGY SCIENCE TECHNOLOGY LTD.
Yi-Yang Xu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
SHORT PROCESS METHOD FOR EXTRACTING PRECIOUS METALS BY INTEGRATING...
Publication number
20250230520
Publication date
Jul 17, 2025
WUHAN UNIVERSITY OF TECHNOLOGY
Feifei Jia
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEMS AND METHODS FOR IMPROVEMENT OF METAL RECOVERY AND STABILITY...
Publication number
20250223665
Publication date
Jul 10, 2025
DIFFERENTIAL ENGINEERING INC.
Thomas Joseph Seal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTE...
Publication number
20250226473
Publication date
Jul 10, 2025
CPS Technology Holdings LLC
Matthew A. Spence
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ALKALI MICROWAVE EXTRACTION
Publication number
20250137094
Publication date
May 1, 2025
Worcester Polytechnic Institute
Himanshu Tanvar
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF EXTRACTING LITHIUM FROM SPODUMENE AND MEANWHILE RECOVERIN...
Publication number
20250109456
Publication date
Apr 3, 2025
TIANQI LITHIUM CORPORATION
Zhigang YIN
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Leaching Method
Publication number
20250092488
Publication date
Mar 20, 2025
TECHNOLOGICAL RESOURCES PTY. LIMITED
Tendekayi Tapera
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM...
Publication number
20250066878
Publication date
Feb 27, 2025
KOREA ZINC CO., LTD.
Heon Sik CHOI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
GEOTHERMALLY POWERED PYROMETALLURGICAL COPPER PRODUCTION
Publication number
20250066873
Publication date
Feb 27, 2025
EnhancedGEO Holdings, LLC
Greg Lindberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FR...
Publication number
20250066876
Publication date
Feb 27, 2025
KOREA ZINC CO., LTD.
Heon Sik CHOI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY F...
Publication number
20250066877
Publication date
Feb 27, 2025
KOREA ZINC CO., LTD.
Heon Sik CHOI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Geothermally Powered Hydrometallurgical Zinc Production
Publication number
20250059623
Publication date
Feb 20, 2025
EnhancedGEO Holdings, LLC
Greg Lindberg
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSING OF MINING FEEDSTOCKS USING KINETIC PULVERIZATION AND SEP...
Publication number
20250027183
Publication date
Jan 23, 2025
TORXX KINETIC PULVERIZER LIMITED
Christopher Mueller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECYCLING IRON ORE TAILING AND USE THEREOF
Publication number
20250011900
Publication date
Jan 9, 2025
BAOTOU RESEARCH INSTITUTE OF RARE EARTHS
Chunlei GUO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR CONCENTRATING LITHIUM AND POTASSIUM FROM CLAYS FROM SAL...
Publication number
20240417825
Publication date
Dec 19, 2024
HOT SPRING MINING, S.A. DE C.V.
Roberto PÉREZ GARIBAY
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY
Publication number
20240410032
Publication date
Dec 12, 2024
Battelle Memorial Institute
Herbert T. Schaef
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITIONS AND METHODS FOR LITHIUM REMOVAL
Publication number
20240384369
Publication date
Nov 21, 2024
University of South Florida
Nurettin Sahiner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COAL AND RARE EARTH RECOVERY METHOD AND SYSTEM
Publication number
20240384372
Publication date
Nov 21, 2024
Jeffrey MOLESEVICH
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NON-TOXIC AND ENVIRONMENTALLY FRIENDLY METHOD OF RECYCLING ACID MIN...
Publication number
20240384367
Publication date
Nov 21, 2024
Materia USA LLC
YEHUDIS GOTTESFELD
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD OF LEACHING METAL-CONTAINING MATERIALS
Publication number
20240352553
Publication date
Oct 24, 2024
Arizona Board of Regents on behalf of The University of Arizona
Jaeheon Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES FOR RECOVERING METALS FROM BLACK MASS
Publication number
20240344175
Publication date
Oct 17, 2024
CVMR CORPORATION
Nanthakumar Victor Emmanuel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AUTOMATED METHOD AND DEVICE FOR PRODUCTION OF LEAD 212 FOR USE IN T...
Publication number
20240327948
Publication date
Oct 3, 2024
RADIOMEDIX, INC.
Ebrahim Delpassand
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING
Publication number
20240287641
Publication date
Aug 29, 2024
METSO FINLAND OY
Marika TIIHONEN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SEQUENTIAL TREATMENT PROCESS FOR THE HEAP LEACHING OF PRIMARY AND S...
Publication number
20240279770
Publication date
Aug 22, 2024
CORPORACION NACIONAL DEL COBRE DE CHILE
Felipe LAGNO SÁNCHEZ
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND ELECTROCHEMICAL SYSTEM FOR RECYCLING SPENT LITHIUM-ION B...
Publication number
20240279831
Publication date
Aug 22, 2024
East China University of Science and Technology
Shuai Gu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD OF METAL RECOVERY WITH COSOLVENT
Publication number
20240254590
Publication date
Aug 1, 2024
Jetti Resources, LLC
Zihe Ren
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR EXTRACTING LITHIUM FROM CATHOD ACTIVE MATERIALS IN SPENT...
Publication number
20240240284
Publication date
Jul 18, 2024
CHANGWON NATIONAL UNIVERSITY INDUSTRY ACADEMY COOPERATION CORPS
Haesung JUNG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT...
Publication number
20240194962
Publication date
Jun 13, 2024
CLARIOS GERMANY GMBH & CO. KG
Eberhard Meissner
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
LITHIUM RECOVERY FROM LITHIUM-ION BATTERIES
Publication number
20240170749
Publication date
May 23, 2024
Ascend Elements, Inc.
Kee-Chan Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HYDROMETALLURGICAL METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTA...
Publication number
20240150865
Publication date
May 9, 2024
KOREA INSTITUTE OF GEOSCIENCE & MINERAL RESOURCES
SHUN MYUNG SHIN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Lithium Extraction Process and Apparatus
Publication number
20240132998
Publication date
Apr 25, 2024
U.S. Borax Inc.
Amit Patwardhan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...