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CHEMISTRY METALLURGY
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Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
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C22B59/00
Obtaining rare earth metals
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Patents Grants
last 30 patents
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Patent Grant
Microwave chemical method for totally extracting fluorine and rare...
Patent number
11,957,996
Issue date
Apr 16, 2024
Sichuan Normal University
Shilin Zhao
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Enhanced separation of rare earth metals
Patent number
11,958,754
Issue date
Apr 16, 2024
Seren Technologies Limited
Peter Nockemann
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for making modified DTPA-associated organosilica media for...
Patent number
11,959,154
Issue date
Apr 16, 2024
Wayne State University
Timothy M. Dittrich
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for leaching rare earth elements and critical minerals from...
Patent number
11,913,090
Issue date
Feb 27, 2024
University of North Dakota
Nolan Theaker
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Alkaline solution method for recovering rare earth elements
Patent number
11,905,573
Issue date
Feb 20, 2024
Mark Berggren
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stable, concentrated radionuclide complex solutions
Patent number
11,904,027
Issue date
Feb 20, 2024
ADVANCED ACCELERATOR APPLICATIONS
Francesco de Palo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recycling process for isolating and recovering rare earth metals an...
Patent number
11,909,016
Issue date
Feb 20, 2024
American Hyperform, Inc.
William Novis Smith
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for optimizing liquid injection process of ionic rare earth ore
Patent number
11,891,678
Issue date
Feb 6, 2024
Jiangxi University of Science and Technology
Guanshi Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Purification of quartz powders by removal of microparticles of refr...
Patent number
11,878,937
Issue date
Jan 23, 2024
Heraeus Quarzglas GmbH & Co. KG
Ian George Sayce
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for determining source sink term in ionic type rare earth or...
Patent number
11,873,541
Issue date
Jan 16, 2024
Jiangxi University of Science and Technology
Guanshi Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Preparation of rare earth metals and other chemicals from industria...
Patent number
11,866,804
Issue date
Jan 9, 2024
Purdue Research Foundation
Nien-Hwa Linda Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for the recovery of rare earths
Patent number
11,858,824
Issue date
Jan 2, 2024
Arafura Resources Limited
Alexander Dean Elliot
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Task-specific ionic liquids for selective separation and recovery o...
Patent number
11,845,670
Issue date
Dec 19, 2023
The Curators of the University of Missouri
Mostafa Khodakarami
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for extracting rare earth elements from rare earth element h...
Patent number
11,834,729
Issue date
Dec 5, 2023
Guangzhou Institute of Geochemistry, Chinese Academy of Sciences
Jianxi Zhu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Rare earth enrichment process by contacting raw material with a bas...
Patent number
11,827,954
Issue date
Nov 28, 2023
West Virginia University
Paul F. Ziemkiewicz
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Method for separation of rare earth elements from coal ash using su...
Patent number
11,814,299
Issue date
Nov 14, 2023
University of Wyoming
Maohong Fan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Organic acid solution having at least one ionic salt and at least o...
Patent number
11,814,700
Issue date
Nov 14, 2023
United States Department of Energy
Circe Verba
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Concentration of precious metals and rare earth elements
Patent number
11,807,915
Issue date
Nov 7, 2023
Larry Lien
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for separating scandium from complex salt mixtures
Patent number
11,807,545
Issue date
Nov 7, 2023
Physical Sciences, Inc.
Dorin V. Preda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods of recovering an elemental rare earth metal, and methods of...
Patent number
11,788,171
Issue date
Oct 17, 2023
Battelle Energy Alliance, LLC
Mary E. Case
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and system for processing rare earth concentrate ore
Patent number
11,773,467
Issue date
Oct 3, 2023
CHINA ENFI ENGINEERING CORPORATION
Jianwen Tang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Combined grinding and leaching apparatus for ores and wastes and me...
Patent number
11,772,102
Issue date
Oct 3, 2023
Magella Bilodeau
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Processing rare earth sulphate solutions
Patent number
11,767,228
Issue date
Sep 26, 2023
Arafura Resources Limited
Alexander Dean Elliot
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Materials derived from coal using environmentally friendly solvents
Patent number
11,761,058
Issue date
Sep 19, 2023
University of Wyoming
Dongmei Li
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Chemical dismantling of permanent magnet material and battery material
Patent number
11,764,416
Issue date
Sep 19, 2023
Iowa State Univerity Research Foundation, Inc.
Viktor Balema
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for separating and extracting rare-earth and regenerating ra...
Patent number
11,753,308
Issue date
Sep 12, 2023
Beijing University of Technology
Yufeng Wu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Compositions and methods of use thereof for rare earth element sepa...
Patent number
11,713,493
Issue date
Aug 1, 2023
Lawrence Livermore National Security, LLC
Dan Mcfarland Park
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Selective material recovery from solution
Patent number
11,708,279
Issue date
Jul 25, 2023
Energy, United States Department of
Jinichiro Nakano
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and system for recovering magnetic grains from sintered magn...
Patent number
11,685,964
Issue date
Jun 27, 2023
Centre National de la Recherche Scientifique
Jean-Marie Le Breton
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Patents Applications
last 30 patents
Information
Patent Application
SYSTEMS AND METHODS FOR EXTRACTING RARE EARTH ELEMENTS WITH ENGINEE...
Publication number
20240132993
Publication date
Apr 25, 2024
Cornell University
Buz BARSTOW
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Stable, concentrated radionuclide complex solutions
Publication number
20240075171
Publication date
Mar 7, 2024
Advanced Accelerator Applications
Donato Barbato
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF RECYCLING A COMPONENT WITH RARE EARTH ELEMENT RECOVERY
Publication number
20240076760
Publication date
Mar 7, 2024
FORD GLOBAL TECHNOLOGIES, L.L.C.
Chuanbing Rong
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
IDENTIFYING AND EXTRACTING RARE EARTH ELEMENTS FROM MINING OPERATIONS
Publication number
20240076761
Publication date
Mar 7, 2024
Georgia State University Research Foundation
W. Crawford Elliott
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TASK-SPECIFIC IONIC LIQUIDS FOR SELECTIVE SEPARATION AND RECOVERY O...
Publication number
20240076195
Publication date
Mar 7, 2024
THE CURATORS OF THE UNIVERSITY OF MISSOURI
Mostafa Khodakarami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SEPARATION OF RARE EARTH ELEMENTS
Publication number
20240068071
Publication date
Feb 29, 2024
SHINE Technologies, LLC
Gregory Piefer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR COLLECTING CALCIUM AND RARE EARTH METAL FROM SLAG
Publication number
20240060154
Publication date
Feb 22, 2024
Gwangju Institute of Science and Technology
Youngjune PARK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Environmentally Friendly Polymeric Sorbent Material for the Extract...
Publication number
20240050924
Publication date
Feb 15, 2024
The University of Toledo
Jon R. Kirchhoff
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
APPARATUS AND METHOD FOR METAL EXTRACTION
Publication number
20240043963
Publication date
Feb 8, 2024
USA Rare Earth, LLC
Juan Illescas
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Phase Change System and Phase Change Crucible for the Separation of...
Publication number
20240035118
Publication date
Feb 1, 2024
SHINE Technologies, LLC
Eric Van Abel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Repeated Distillation/Sublimation of Rare Earth Elements
Publication number
20240011125
Publication date
Jan 11, 2024
SHINE Technologies, LLC
Eric Van Abel
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Methods and Systems for the Reduction of Rare Earth Metal Oxides
Publication number
20230407434
Publication date
Dec 21, 2023
SHINE Technologies, LLC
Matthew Szymski
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECYCLING METHOD FOR HEAVY RARE EARTH ELEMENT AND RECYCLING METHOD...
Publication number
20230399721
Publication date
Dec 14, 2023
Shin-Etsu Chemical Co., Ltd.
Koichi HIROTA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SELECTIVE APPROACH TO SEPARATE AND CONCENTRATE RARE EARTH ELEMENTS
Publication number
20230381741
Publication date
Nov 30, 2023
University of Utah Research Foundation
Prashant K. SARSWAT
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PER...
Publication number
20230374623
Publication date
Nov 23, 2023
William Marsh Rice University
James M. Tour
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SELECTIVE MATERIAL RECOVERY FROM NATURAL BRINES
Publication number
20230365422
Publication date
Nov 16, 2023
UNITED STATES DEPARTMENT OF ENERGY
Jinichiro N. Nakano
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SEPARATION OF ADJACENT LANTHANIDE ELEMENTS
Publication number
20230366059
Publication date
Nov 16, 2023
UT-Battelle, LLC
Santa Jansone-Popova
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Composite Extractant-Enhanced Polymer Resin, Method of Making the S...
Publication number
20230356208
Publication date
Nov 9, 2023
II-VI Delaware, Inc.
Wen-Qing Xu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Methods for Selective Recovery of Rare Earth Elements and Metals fr...
Publication number
20230357886
Publication date
Nov 9, 2023
Georgia Tech Research Corporation
Laura Stoy
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR SEPARATING LUTETIUM AND YTTERBIUM USING CHROMATOGRAPHY
Publication number
20230357890
Publication date
Nov 9, 2023
GLOBAL MORPHO PHARMA
Evgeniy Anatolevich KOZLITIN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TETRAAZADODECANE BASED CHELATING AGENTS FOR SEPARATION OF RARE EART...
Publication number
20230356105
Publication date
Nov 9, 2023
USTAV ORGANICKE CHEMIE A BIOCHEMIE AV CR V.V.I.
Miloslav POLASEK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERY OF RARE EARTH ELEMENTS FROM ACIDIC SOLUTIONS
Publication number
20230340639
Publication date
Oct 26, 2023
The Penn State Research Foundation
Behzad VAZIRI HASSAS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Recycling Process for Isolating and Recovering Rare Earth Metals an...
Publication number
20230335815
Publication date
Oct 19, 2023
American Hyperform, Inc.
William Novis Smith
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES FOR THE SEPARATION OF RARE EARTH ELEMENTS AND NON-RARE EA...
Publication number
20230332275
Publication date
Oct 19, 2023
Inventure Renewables, Inc.
William Rusty SUTTERLIN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SEPARATION OF ELEMENTS USING POLYOXOMETALATES AND CATIONS
Publication number
20230331562
Publication date
Oct 19, 2023
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC
Gauthier Deblonde
C01 - INORGANIC CHEMISTRY
Information
Patent Application
RECOVERING RARE EARTH ELEMENTS AND OTHER TRACE METALS FROM CARBON-B...
Publication number
20230332274
Publication date
Oct 19, 2023
Red Leaf Resources, Inc.
James Patten
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
N,N-DIHYDROCARBONYL AMINO CARBOXYLIC ACID, PREPARATION METHOD THERE...
Publication number
20230331659
Publication date
Oct 19, 2023
Yanliang Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
AN N,N-DIHYDROCARBONYLAMIDE CARBOXYLIC ACID, PREPARATION METHOD THE...
Publication number
20230331662
Publication date
Oct 19, 2023
FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Yanliang Wang
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS AND METHOD FOR SEPARATING RARE EARTH ELEMENTS FROM LEACH SO...
Publication number
20230313335
Publication date
Oct 5, 2023
RARE EARTH SALTS SEPARATION AND REFINING, LLC
Joseph Brewer
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSING OF TITANIFEROUS ORES AND MINERALS
Publication number
20230312364
Publication date
Oct 5, 2023
NSGI NON-FERROUS METALS INC.
Enrico DI CESARE
B22 - CASTING POWDER METALLURGY