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General methods of reducing to metals
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CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
Current Industry
C22B5/00
General methods of reducing to metals
Sub Industries
C22B5/02
Dry methods smelting of sulfides or formation of mattes
C22B5/04
by aluminium, other metals or silicon
C22B5/06
by carbides or the like
C22B5/08
by sulfides Roasting reaction methods
C22B5/10
by solid carbonaceous reducing agents
C22B5/12
by gases
C22B5/14
fluidised material
C22B5/16
with volatilisation or condensation of the metal being produced
C22B5/18
Reducing step-by-step
C22B5/20
from metal carbonyls
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Patents Grants
last 30 patents
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Patent Grant
Extracting rare-earth elements from a gangue heavy fraction
Patent number
12,179,214
Issue date
Dec 31, 2024
Georgia State University Research Foundation
W. Crawford Elliott
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ultra-high temperature continuous reduction of metal compound parti...
Patent number
12,173,383
Issue date
Dec 24, 2024
OMNIS ADVANCED TECHNOLOGIES, LLC
James S. Swensen
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing magnesium-lithium alloy by gaseous co-condensa...
Patent number
12,173,381
Issue date
Dec 24, 2024
SICHUAN UNION SHINE NEW ENERGY SCI-TECH CO., LTD
Jun Zhou
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Stable, concentrated radionuclide complex solutions
Patent number
12,168,063
Issue date
Dec 17, 2024
Advanced Accelerator Applications SA
Donato Barbato
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stable, concentrated radionuclide complex solutions
Patent number
12,161,732
Issue date
Dec 10, 2024
Advanced Accelerator Applications SA
Donato Barbato
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Separation of rare earth elements
Patent number
12,157,930
Issue date
Dec 3, 2024
SHINE Technologies, LLC
Gregory Piefer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Stable, concentrated radionuclide complex solutions
Patent number
12,151,003
Issue date
Nov 26, 2024
Advanced Accelerator Applications SA
Donato Barbato
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Stable, concentrated radionuclide complex solutions
Patent number
12,144,873
Issue date
Nov 19, 2024
Advanced Accelerator Applications SA
Donato Barbato
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
Sulfide reactive vacuum distillation, absorption, stripping, and ex...
Patent number
12,110,573
Issue date
Oct 8, 2024
Massachusetts Institute of Technology
Antoine Allanore
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method and device for producing direct reduced metal
Patent number
12,104,222
Issue date
Oct 1, 2024
GREENIRON H2 AB
Hans Murray
C21 - METALLURGY OF IRON
Information
Patent Grant
Advanced beneficiation process for beneficiation, mobilization, ext...
Patent number
12,104,223
Issue date
Oct 1, 2024
Advanced Fusion Systems LLC
Curtis Birnbach
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for transition metal oxide reduction
Patent number
12,104,224
Issue date
Oct 1, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for recovering rare earth elements from NdFeB waste and use...
Patent number
12,104,225
Issue date
Oct 1, 2024
CHONGQING SHANGJAI ELECTRONIC
Liang Fu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method embodiments for extracting elements from coal combustion pro...
Patent number
12,084,743
Issue date
Sep 10, 2024
Triad National Security, LLC
Christopher Leibman
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Methods and compositions for extraction of rare earth elements from...
Patent number
12,077,835
Issue date
Sep 3, 2024
West Virginia University
Edward M. Sabolsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
2-step iron conversion system
Patent number
12,065,749
Issue date
Aug 20, 2024
ELECTRASTEEL, INC.
Ai Quoc Pham
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Ore dissolution and iron conversion system
Patent number
12,054,837
Issue date
Aug 6, 2024
ELECTRASTEEL, INC.
Ai Quoc Pham
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Use of synergistic mixture of extractants for extracting rare earth...
Patent number
12,037,660
Issue date
Jul 16, 2024
Commissariat a l'Energie Atomique et Aux Energies Alternatives
Eugen Andreiadis
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System and method for producing critical minerals
Patent number
12,031,195
Issue date
Jul 9, 2024
MICROBEAM TECHNOLOGIES, INC.
Steven Benson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Countercurrent rare earth separation process
Patent number
12,024,756
Issue date
Jul 2, 2024
Seren Technologies Limited
Peter Nockemann
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Systems and methods for generating hydrogen and magnetite from rock
Patent number
12,006,212
Issue date
Jun 11, 2024
OHIO STATE INNOVATION FOUNDATION
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Modified polyamines grafted to a particulate, solid support as sorb...
Patent number
12,005,423
Issue date
Jun 11, 2024
Puraffinity Ltd.
Benjamin David Reeve
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Metal and tin alloy having low alpha-ray emission, and method for p...
Patent number
12,000,020
Issue date
Jun 4, 2024
Mitsubishi Materials Corporation
Hirotaka Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and system for producing low carbon ferroalloy from chromite...
Patent number
12,000,017
Issue date
Jun 4, 2024
MM Metals USA, LLC
Daniel Shaw
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal chlorides and metals obtained from metal oxide containing mat...
Patent number
11,975,982
Issue date
May 7, 2024
KEYSTONE METALS RECOVERY INC.
Richard I. Chaifetz
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Sulfur dioxide depolarized electrolysis and electrolyzer therefore
Patent number
11,965,258
Issue date
Apr 23, 2024
Peregrine Hydrogen Inc.
Stefan Omelchenko
C01 - INORGANIC CHEMISTRY
Information
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
Production of iron
Patent number
11,959,153
Issue date
Apr 16, 2024
Technological Resources Pty. Limited
Michael Buckley
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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
REDUCING AND NON-BLAST FURNACE SMELTING METHOD OF ALKALINE VANADIUM...
Publication number
20250003026
Publication date
Jan 2, 2025
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Wenbo TANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
EFFICIENT RECYCLING OF E-WASTE BY ENERGY LANDSCAPE INVERSION
Publication number
20240425948
Publication date
Dec 26, 2024
North Carolina State University
Martin Thuo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM ION-ADSORPTION CLAYS
Publication number
20240417827
Publication date
Dec 19, 2024
Virginia Tech Intellectual Properties Inc.
Christopher Aaron NOBLE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Device Comprising a Reaction Container for Solids Reactions
Publication number
20240416308
Publication date
Dec 19, 2024
H. C. Starck Tungsten GmbH
Tino Saeuberlich
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A GREEN PROCESS FOR THE EXTRACTION OF LANTHANIDE ELEMENTS
Publication number
20240417826
Publication date
Dec 19, 2024
Commissariat A L'Energie Atomique et Aux Energies Alternatives
Thomas ZEMB
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Process for Transition Metal Oxide Reduction
Publication number
20240401168
Publication date
Dec 5, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS
Publication number
20240405305
Publication date
Dec 5, 2024
CYCLADEX LTD.
Roger B. PETTMAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DEVICE AND METHOD FOR RECOVERING ARSENIC AND GALLIUM
Publication number
20240401169
Publication date
Dec 5, 2024
KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Yang Tian
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEMS AND METHODS FOR SEPARATION OF RARE EARTH ELEMENTS USING AIR...
Publication number
20240391799
Publication date
Nov 28, 2024
Batelle Memorial Institute
Slawomir WINECKI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Tapered Phase Change Crucible System for the Separation of Rare Ear...
Publication number
20240392411
Publication date
Nov 28, 2024
SHINE Technologies, LLC
Kenny Kearney
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
USE OF ORGANIC ACID-CONTAINING LEACHING AGENT IN LEACHING FROM ION-...
Publication number
20240392412
Publication date
Nov 28, 2024
INSTITUTE OF PROCESS ENGINEERING, CAS
Tinggang Li
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM CO...
Publication number
20240392414
Publication date
Nov 28, 2024
CARBON HOLDINGS INTELLECTUAL PROPERTIES, LLC
Charles Agee Atkins
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Methods Of Recycling Target Elements From Metallic Components
Publication number
20240392413
Publication date
Nov 28, 2024
The Johns Hopkins University
Jarod C. Gagnon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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 FOR PRODUCING VALUABLE METAL
Publication number
20240387894
Publication date
Nov 21, 2024
Sumitomo Metal Mining Co., Ltd.
Yu Yamashita
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
EFFICIENT RARE EARTH AND CRITICAL MATERIAL RECOVERY FROM RARE EARTH...
Publication number
20240376568
Publication date
Nov 14, 2024
Battelle Memorial Institute
Morgan V. EVANS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS AND COMPOSITIONS FOR EXTRACTION OF RARE EARTH ELEMENTS FROM...
Publication number
20240376569
Publication date
Nov 14, 2024
West Virginia University
Edward M. SABOLSKY
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM RARE EARTH ELEMENT...
Publication number
20240368734
Publication date
Nov 7, 2024
Virginia Tech Intellectual Properties, Inc.
Roe-Hoan YOON
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Batteries and Cathodes Including Nickel Hydroxide Recovered and Iso...
Publication number
20240372166
Publication date
Nov 7, 2024
American Hyperform, Inc.
William Novis Smith
C01 - INORGANIC CHEMISTRY
Information
Patent Application
COMPOSITIONS AND METHODS FOR BIOLOGICAL PRODUCTION AND HARVEST OF P...
Publication number
20240368725
Publication date
Nov 7, 2024
ECOBIOME HOLDINGS, LLC
MARC RODRIGUEZ
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
2-STEP IRON CONVERSION SYSTEM
Publication number
20240368789
Publication date
Nov 7, 2024
ELECTRASTEEL, INC.
Ai Quoc PHAM
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF SELECTIVE PRECIPITATION OF METALS USING AMIDE COMPOUNDS
Publication number
20240368727
Publication date
Nov 7, 2024
THE UNIVERSITY COURT OF THE UNIVERSITY OF EDINBURGH
Jason Love
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ORE DISSOLUTION AND IRON CONVERSION SYSTEM
Publication number
20240368788
Publication date
Nov 7, 2024
ELECTRASTEEL, INC.
Ai Quoc PHAM
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
DEBRIS-TOLERANT SEALING VALVE
Publication number
20240360917
Publication date
Oct 31, 2024
Sierra Space Corporation
Rick Burkholder
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND APPARATUS FOR CONVERTING CARBON-BASED FEEDSTOCKS INTO US...
Publication number
20240343978
Publication date
Oct 17, 2024
COOLBROOK OY
Tuomas OUNI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROCHROME FROM CHROMIT...
Publication number
20240344171
Publication date
Oct 17, 2024
MM Metals USA, LLC
Daniel Shaw
C21 - METALLURGY OF IRON
Information
Patent Application
METAL CHLORIDES AND METALS OBTAINED FROM METAL OXIDE CONTAINING MAT...
Publication number
20240343569
Publication date
Oct 17, 2024
KEYSTONE METALS RECOVERY INC.
Richard I. CHAIFETZ
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METAL RECOVERING METHOD
Publication number
20240344169
Publication date
Oct 17, 2024
Toyo Engineering Corporation
Takuya ISHISAKA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...