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C22B3/44
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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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C22B3/44
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Patents Grants
last 30 patents
Information
Patent Grant
System for and method of processing waste lithium-ion battery
Patent number
12,365,596
Issue date
Jul 22, 2025
Kawasaki Jukogyo Kabushiki Kaisha
Fuminori Ando
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Method for recovering lithium from a waste lithium secondary batter...
Patent number
12,359,280
Issue date
Jul 15, 2025
YOUNG POONG CORPORATION
Nam Il Moon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Byproduct scandium recovery from low grade primary metal oxide ores
Patent number
12,338,509
Issue date
Jun 24, 2025
Scandium International Mining Corporation
Willem P. C. Duyvesteyn
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering titanium dioxide
Patent number
12,331,380
Issue date
Jun 17, 2025
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
Goutam Kumar Das
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
Processes and systems for purifying independent streams of manganes...
Patent number
12,322,770
Issue date
Jun 3, 2025
GREEN LI-ION PTE. LTD.
Reza Katal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process and system for recovering rare earth elements
Patent number
12,319,982
Issue date
Jun 3, 2025
HIS MAJESTY THE KING IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NAT...
Chen Xia
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Adaptable processes and systems for purifying co-precipitated or in...
Patent number
12,322,771
Issue date
Jun 3, 2025
GREEN LI-ION PTE. LTD.
Reza Katal
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Limestone slurry and lime milk preparing device for hydrometallurgy...
Patent number
12,311,351
Issue date
May 27, 2025
PT ESG NEW ENERGY MATERIAL
Satryo Soemantri Brodjonegoro
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
Process for the recovery of zinc from zinc-bearing raw materials
Patent number
12,276,007
Issue date
Apr 15, 2025
TÉCNICAS REUNIDAS, S.A.
Ana Belén Mejías Cordero
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Lithium extraction enhanced by an alternate phase
Patent number
12,257,529
Issue date
Mar 25, 2025
LILAC SOLUTIONS, INC.
David Henry Snydacker
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and system for recovering metals from black mass
Patent number
12,209,028
Issue date
Jan 28, 2025
Aurubis AG
Anne-Marie Suriano
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of extracting lithium compound(s)
Patent number
12,180,082
Issue date
Dec 31, 2024
Outotec (Finland) Oy
Marika Tiihonen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the recovery of metals from polymetallic nodules
Patent number
12,168,812
Issue date
Dec 17, 2024
Umicore
Michel Daniels
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processes for preparing lithium carbonate
Patent number
12,168,811
Issue date
Dec 17, 2024
NEMASKA LITHIUM INC.
Guy Bourassa
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of PGMs and chromite from mixed PGM/CR ores
Patent number
12,163,205
Issue date
Dec 10, 2024
ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES LTD
Anthony Owen Filmer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the recovery of lithium and transition metal using heat
Patent number
12,152,287
Issue date
Nov 26, 2024
BASF SE
Wolfgang Rohde
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for purifying and concentrating rare earths from phosphogypsum
Patent number
12,139,775
Issue date
Nov 12, 2024
OCP SA
Hamid Mazouz
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for dissolving lithium compound, method for manufacturing li...
Patent number
12,123,074
Issue date
Oct 22, 2024
JX METALS CIRCULAR SOLUTIONS CO., LTD.
Hirotaka Ariyoshi
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Opportunities for recovery augmentation process as applied to molyb...
Patent number
12,123,075
Issue date
Oct 22, 2024
CiDRA Corporate Services Inc.
Paul J. Rothman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Agents for use in hydrometallurgical process streams
Patent number
12,098,085
Issue date
Sep 24, 2024
INDORAMA VENTURES OXIDES AUSTRALIA PTY LIMITED
Ken Deutscher
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Devices for efficient sorbent utilization in lithium extraction
Patent number
12,076,662
Issue date
Sep 3, 2024
LILAC SOLUTIONS, INC.
Nicolás Andrés Grosso Giordano
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for extracting cobalt from a solution comprising, in additi...
Patent number
12,031,194
Issue date
Jul 9, 2024
Commissariat a l'Energie Atomique et Aux Energies Alternatives
David Peralta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of lithium hydroxide
Patent number
12,030,784
Issue date
Jul 9, 2024
Bright Minz Pty Ltd
Mark Daniel Urbani
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Devices for efficient sorbent utilization in lithium extraction
Patent number
12,023,602
Issue date
Jul 2, 2024
LILAC SOLUTIONS, INC.
Nicolás Andrés Grosso Giordano
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Systems and methods for recovering lithium from brines
Patent number
12,018,347
Issue date
Jun 25, 2024
Energy Exploration Technologies, Inc.
Amit Patwardhan
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for extracting nickel from high matte nickel leaching residue
Patent number
12,000,012
Issue date
Jun 4, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO, LTD.
Haijun Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Caustic conversion process
Patent number
12,000,013
Issue date
Jun 4, 2024
Australian Nuclear Science & Technology Organisation
Andrew Napier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for separating copper from nickel and cobalt
Patent number
12,000,018
Issue date
Jun 4, 2024
Sumitomo Metal Mining Co., Ltd.
Tatsuya Higaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
PROCESS OF EXTRACTING DELETERIOUS SUBSTANCES, AND PRODUCT OBTAINED...
Publication number
20250236532
Publication date
Jul 24, 2025
VALE S.A.
Ruberlan GOMES DA SILVA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR TREATING MANGANESE-COPPER MIXED SOLUTION
Publication number
20250230057
Publication date
Jul 17, 2025
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Li MA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RARE EARTH PRODUCTION FROM COAL FEEDSTOCKS
Publication number
20250223669
Publication date
Jul 10, 2025
UNIVERSITY OF WYOMING
Richard HORNER
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ELECTRODE MATERIAL LEACHING METHOD AND METHOD FOR SEPARATING COBALT...
Publication number
20250215527
Publication date
Jul 3, 2025
MITSUBISHI MATERIALS CORPORATION
Atsushi Miyazaki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Improved Systems And Methods For Metal Recovery From Lithium Ion Ba...
Publication number
20250215523
Publication date
Jul 3, 2025
Aqua Metals Inc.
Brian James Dougherty
C01 - INORGANIC CHEMISTRY
Information
Patent Application
CO2 ASSISTED REGENERABLE SOLVENT AIDED SEPARATION OF HEAVY RARE EAR...
Publication number
20250197237
Publication date
Jun 19, 2025
Cornell University
Greeshma GADIKOTA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD OF USING A WET METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM B...
Publication number
20250201954
Publication date
Jun 19, 2025
Shenzhen Huineng Energy Storage Materials Engineering Research Center Co., LTD
Faping ZHONG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRECIOUS METALS RECOVERY
Publication number
20250197964
Publication date
Jun 19, 2025
STILLWATER MINING COMPANY
Dave Shuck
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Processes And Systems For Purifying Independent Streams Of Manganes...
Publication number
20250183399
Publication date
Jun 5, 2025
GREEN LI-ION PTE. LTD.
Reza KATAL
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR CONTINUOUSLY PREPARING MIXED HYDROXIDE PRECIPITATE FROM...
Publication number
20250178922
Publication date
Jun 5, 2025
PT QMB NEW ENERGY MATERIALS
KAIHUA XU
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS AND SYSTEM FOR RECOVERING MANGANESE FROM HIGH-PRESSURE LEAC...
Publication number
20250171878
Publication date
May 29, 2025
PT ESG NEW ENERGY MATERIAL
SATRYO SOEMANTRI BRODJONEGORO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LIMESTONE SLURRY AND LIME MILK PREPARING DEVICE FOR HYDROMETALLURGY...
Publication number
20250170544
Publication date
May 29, 2025
PT ESG NEW ENERGY MATERIAL
SATRYO SOEMANTRI BRODJONEGORO
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE
Publication number
20250171342
Publication date
May 29, 2025
PT ESG NEW ENERGY MATERIAL
SATRYO SOEMANTRI BRODJONEGORO
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR RECOVERING RARE EARTH ELEMENTS AND OTHER PRODUCTS FROM ASH
Publication number
20250171879
Publication date
May 29, 2025
Georgia Tech Research Corporation
Yuanzhi Tang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRECIPITATION SYSTEM FOR HYDROMETALLURGICAL PROCESSING OF LATERITE...
Publication number
20250163538
Publication date
May 22, 2025
PT QMB NEW ENERGY MATERIALS
KAIHUA XU
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of Obtaining a Nickel Ore Concentrate, Method of Processing...
Publication number
20250163541
Publication date
May 22, 2025
Lorintech Tecnologia S.A.
Lucas Arantes Araújo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LITHIUM RECOVERY SYSTEM FOR BLACK MASS
Publication number
20250163543
Publication date
May 22, 2025
DOOSAN ENERBILITY CO., LTD.
Jang Yong YOU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ZINC RECOVERY METHOD
Publication number
20250154676
Publication date
May 15, 2025
Kinotech Corporation
Kenji Haiki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR THE RECOVERY OF LI, NI AND CO
Publication number
20250154627
Publication date
May 15, 2025
Umicore
Pieter VERHEES
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method for recovering iron and aluminum from red mud
Publication number
20250146103
Publication date
May 8, 2025
ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHALCO
Lijuan QI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method for recovering lithium from spent cathode of aluminum electr...
Publication number
20250137093
Publication date
May 1, 2025
ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO.LTD OF CHALCO
Kaibin CHEN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Harnessing Metal Ions from Brines
Publication number
20250128211
Publication date
Apr 24, 2025
Massachusetts Institute of Technology
John H. Lienhard
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DEVICES FOR EFFICIENT SORBENT UTILIZATION IN LITHIUM EXTRACTION
Publication number
20250128186
Publication date
Apr 24, 2025
Lilac Solutions, Inc.
Nicolás Andrés GROSSO GIORDANO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERY OF POTASSIUM AND AMMONIA SALTS BY INDUCED PRECIPITATION WI...
Publication number
20250122593
Publication date
Apr 17, 2025
Nuovo Pignone Tecnologie S.r.l.
Stylianos Pachitsas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM AND METHOD FOR RECYCLING MAGNETIC MATERIAL AND RARE EARTH EL...
Publication number
20250109454
Publication date
Apr 3, 2025
CYCLIC MATERIALS INC.
Ahmad GHAHREMAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING METALS FROM METAL ALLOYS AND INTERMETALLICS
Publication number
20250109459
Publication date
Apr 3, 2025
Montana Technological University
Mario Caccia
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LITHIUM RECOVERY FROM BRINE
Publication number
20250101544
Publication date
Mar 27, 2025
Avonlea Technology Holdings Corp.
Ronald Otto LINCZ
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TERNARY POSITIVE ACTIVE ELECTRODE LEACHING
Publication number
20250070292
Publication date
Feb 27, 2025
Ascend Elements, Inc.
Kee-Chan Kim
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM-ION BATTERY RECYCLING METHOD
Publication number
20250070296
Publication date
Feb 27, 2025
NOVOCYCLE TEKNOLOJI SANAYI TICARET ANONIM SIRKETI
Fatih Bosna
H01 - BASIC ELECTRIC ELEMENTS