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Obtaining refractory metals
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CPC
C22B34/00
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Parent Industries
C
CHEMISTRY METALLURGY
C22
Metallurgy
C22B
PRODUCTION AND REFINING OF METALS PRETREATMENT OF RAW MATERIALS
Current Industry
C22B34/00
Obtaining refractory metals
Sub Industries
C22B34/10
Obtaining titanium, zirconium or hafnium
C22B34/12
Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
C22B34/1204
preliminary treatment of ores or scrap to eliminate non- titanium constituents
C22B34/1209
by dry processes
C22B34/1213
by wet processes
C22B34/1218
obtaining titanium or titanium compounds from ores or scrap by dry processes
C22B34/1222
using a halogen containing agent
C22B34/1227
using an oxygen containing agent
C22B34/1231
treatment or purification of titanium containing products obtained by dry processes
C22B34/1236
obtaining titanium or titanium compounds from ores or scrap by wet processes
C22B34/124
using acidic solutions or liquors
C22B34/1245
containing a halogen ion as active agent
C22B34/125
containing a sulfur ion as active agent
C22B34/1254
using basic solutions or liquors
C22B34/1259
treatment or purification of titanium containing solutions or liquors or slurries
C22B34/1263
obtaining metallic titanium from titanium compounds
C22B34/1268
using alkali or alkaline-earth metals or amalgams
C22B34/1272
reduction of titanium halides
C22B34/1277
using other metals
C22B34/1281
using carbon containing agents
C22B34/1286
using hydrogen containing agents
C22B34/129
obtaining metallic titanium from titanium compounds by dissociation
C22B34/1295
Refining, melting, remelting, working up of titanium
C22B34/14
Obtaining zirconium or hafnium
C22B34/20
Obtaining niobium, tantalum or vanadium
C22B34/22
Obtaining vanadium
C22B34/225
from spent catalysts
C22B34/24
Obtaining niobium or tantalum
C22B34/30
Obtaining chromium, molybdenum or tungsten
C22B34/32
Obtaining chromium
C22B34/325
from spent catalysts
C22B34/34
Obtaining molybdenum
C22B34/345
from spent catalysts
C22B34/36
Obtaining tungsten
C22B34/365
from spent catalysts
Industries
Overview
Organizations
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
Method for clean metallurgy of molybdenum
Patent number
11,959,152
Issue date
Apr 16, 2024
Central South University
Zhongwei Zhao
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Device for trapping hydrogen
Patent number
11,932,920
Issue date
Mar 19, 2024
CONSTELLIUM ISSOIRE
Jocelyn Prigent
C21 - METALLURGY OF IRON
Information
Patent Grant
Plant and method for the recovery of exhausted refractory material
Patent number
11,920,214
Issue date
Mar 5, 2024
DEREF S.P.A.
Giorgio Fasolini
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for processing titanium extraction slag and carbon extracted...
Patent number
11,905,575
Issue date
Feb 20, 2024
Southwest University of Science and Technology
Hongjuan Sun
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for recovering vanadium in the form of iron vanadate from a...
Patent number
11,879,165
Issue date
Jan 23, 2024
Reliance Industries Limited
Sateesh Daggupati
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing metal ingot
Patent number
11,833,582
Issue date
Dec 5, 2023
Nippon Steel Corporation
Hitoshi Funagane
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Ethylene degradation catalyst and preparation method and use thereof
Patent number
11,813,591
Issue date
Nov 14, 2023
China Energy Investment Corporation Limited
Ge Li
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Selective recovery method of vanadium and cesium from waste sulfuri...
Patent number
11,807,544
Issue date
Nov 7, 2023
Korea Institute of Geoscience & Mineral Resources
Ho Seok Jeon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
System and method of concentrating niobium ore
Patent number
11,738,353
Issue date
Aug 29, 2023
Taseko Mines Limited
Robert Rotzinger
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Tantalum based alloy that is resistant to aqueous corrosion
Patent number
11,713,495
Issue date
Aug 1, 2023
MATERION NEWTON INC.
Paul R. Aimone
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
Processes for recycling spent catalysts, recycling rechargeable bat...
Patent number
11,682,801
Issue date
Jun 20, 2023
ALEON RENEWABLE METALS, LLC.
Alfred Salazar
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Niobium-based alloy that is resistant to aqueous corrosion
Patent number
11,629,393
Issue date
Apr 18, 2023
Materion Newton, Inc.
Paul Aimone
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process for the recovery of cobalt and tungstic acid and/or its der...
Patent number
11,603,576
Issue date
Mar 14, 2023
Novamont S.p.A.
Giampietro Borsotti
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for preparing a leach feed matertial
Patent number
11,535,910
Issue date
Dec 27, 2022
TNG Limited
Damian Edward Gerard Connelly
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for decomposing mixed wolframite and scheelite ore in alkali...
Patent number
11,530,465
Issue date
Dec 20, 2022
JIANGXI UNIVERSITY OF SCIENCE & TECHNOLOGY
Linsheng Wan
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Manufacturing apparatus comprising collocated reduction apparatus,...
Patent number
11,498,128
Issue date
Nov 15, 2022
Metalysis Limited
Dion Vaughan
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing metal ingot
Patent number
11,498,118
Issue date
Nov 15, 2022
Nippon Steel Corporation
Hitoshi Funagane
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for detoxifying chromium slag by using high sulfur coal
Patent number
11,478,672
Issue date
Oct 25, 2022
KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
Ping Ning
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Producing titanium alloy materials through reduction of titanium te...
Patent number
11,478,851
Issue date
Oct 25, 2022
General Electric Company
Evan H. Copland
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Use of pre-oxidized ilmenite in fluidized bed boilers
Patent number
11,414,725
Issue date
Aug 16, 2022
Improbed AB
Bengt-Ake Andersson
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
Chromatographic separation of Mo-99 from W-187
Patent number
11,380,453
Issue date
Jul 5, 2022
CURIUM US LLC
Arend Booij
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the selective removal of copper compounds and other imp...
Patent number
11,377,365
Issue date
Jul 5, 2022
MOLIBDENOS Y METALES S.A.
Manuel Enrique Guzman Manzo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Recovery of scandium and vanadium values from feedstocks using ultr...
Patent number
11,345,976
Issue date
May 31, 2022
CENTRAL AMERICA NICKEL INC.
Pierre Gauthier
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for recovering a minor metal and/or rare-earth metal
Patent number
11,299,796
Issue date
Apr 12, 2022
JX Nippon Mining & Metals Corporation
Kota Nakashima
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
System and method for extraction and refining of titanium
Patent number
11,280,013
Issue date
Mar 22, 2022
UNIVERSAL ACHEMETAL TITANIUM, LLC
James R. Cox
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for preparing vanadium and vanadium alloy powder from vanadi...
Patent number
11,247,270
Issue date
Feb 15, 2022
Na Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for preparing high-melting-point metal powder through multi-...
Patent number
11,241,740
Issue date
Feb 8, 2022
Northeastern University
Ting An Zhang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Processes for producing low nitrogen metallic chromium and chromium...
Patent number
11,230,751
Issue date
Jan 25, 2022
Companhia Brasileira de Metalurgia e Mineracão
Kleber A. Sernik
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE M...
Publication number
20240132994
Publication date
Apr 25, 2024
Coogee Titanium Pty Ltd
Daniel Jewell
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PREPARING METALLIC TITANIUM USING TITANIUM-CONTAINING OX...
Publication number
20240124998
Publication date
Apr 18, 2024
Kunming University of Science and Technology
Yun LEI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METHOD FOR LIQUEFYING NIOBIUM AND TANTALUM, AND METHOD FOR PRODUCIN...
Publication number
20240084417
Publication date
Mar 14, 2024
Fukuoka Institute of Technology
Hironari KUBO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A PROCESS FOR TRANSITION METAL OXIDE REDUCTION
Publication number
20240043960
Publication date
Feb 8, 2024
Helios Project Ltd.
Jonathan Hausner
C21 - METALLURGY OF IRON
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
METHOD FOR PRODUCING FERRONICKEL AND REMOVING CHROMIUM FROM NICKEL...
Publication number
20240035115
Publication date
Feb 1, 2024
GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD.
Haijun Yu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
A METHOD FOR ENRICHING NIOBIUM AND TITANIUM IN A MINERAL CONTAINING...
Publication number
20230416870
Publication date
Dec 28, 2023
BAOTOU RESEARCH INSTITUTE OF RARE EARTHS
Yubao Liu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESSES FOR RECYCLING SPENT CATALYSTS, RECYCLING RECHARGEABLE BAT...
Publication number
20230411723
Publication date
Dec 21, 2023
Aleon Renewable Metals, LLC
Alfred Salazar
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Application
Method and Equipment for Comprehensive Utilization of Niobite
Publication number
20230407437
Publication date
Dec 21, 2023
UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
Xi LAN
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR RECOVERING MATERIALS FROM BAUXITE RESIDUE, MICROWAVE RE...
Publication number
20230382755
Publication date
Nov 30, 2023
WAVE ALUMINUM BRASIL S.A.
Lucas ARANTES ARAÚJO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
TANTALUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION
Publication number
20230340648
Publication date
Oct 26, 2023
Paul R. Aimone
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
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
Information
Patent Application
LOW TEMPERATURE REDUCTION OF METAL OXIDES
Publication number
20230295767
Publication date
Sep 21, 2023
KINALTEK PTY. LTD.
Jawad Haidar
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
Publication number
20230271827
Publication date
Aug 31, 2023
Ohio State Innovation Foundation
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING METALS FROM TUNGSTEN-CONTAINING METALLIC MATE...
Publication number
20230265574
Publication date
Aug 24, 2023
National Tsing-Hua University
Chih-Huang LAI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND DEVICE FOR ACCURATELY CONTROLLING REDUCTION VALENCE STAT...
Publication number
20230257854
Publication date
Aug 17, 2023
VRB ENERGY OPERATIONS (BEIJING) CO. LTD.
Mianyan HUANG
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RECOVERY OF VANADIUM FROM ALKALINE SLAG MATERIALS
Publication number
20230227940
Publication date
Jul 20, 2023
AVANTI MATERIALS LTD
David ROBINSON
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
NIOBIUM-BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORRISON
Publication number
20230227950
Publication date
Jul 20, 2023
Paul AIMONE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CIRCULAR CARBON PROCESS
Publication number
20230227316
Publication date
Jul 20, 2023
BASF SE
Andreas Bode
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR RECOVERING TITANIUM DIOXIDE
Publication number
20230220516
Publication date
Jul 13, 2023
Commonwealth Scientific and Industrial Research Organisation
Goutam Kumar DAS
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR THE RECOVERY OF COBALT AND TUNGSTIC ACID AND/OR ITS DER...
Publication number
20230193420
Publication date
Jun 22, 2023
Novamont S.p.A.
Giampietro BORSOTTI
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METALS RECOVERY FROM SPENT CATALYST
Publication number
20230160037
Publication date
May 25, 2023
Chevron U.S.A. Inc.
Rahul Shankar Bhaduri
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ETHYLENE DEGRADATION CATALYST AND PREPARATION METHOD AND USE THEREOF
Publication number
20230149903
Publication date
May 18, 2023
CHINA ENERGY INVESTMENT CORPORATION LIMITED
Ge Li
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CARBOALUMINOTHERMIC REDUCTION APPARTUS AND METHODS OF USING
Publication number
20230151455
Publication date
May 18, 2023
Martin Samuel Sulsky
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Methods of Producing A Titanium Alloy Product
Publication number
20230138417
Publication date
May 4, 2023
University of Utah Research Foundation
Zhigang Zak Fang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
SELECTIVE RECOVERY METHOD OF VANADIUM AND CESIUM FROM WASTE SULFURI...
Publication number
20230138828
Publication date
May 4, 2023
KOREA INSTITUTE OF GEOSCIENCE & MINERAL RESOURCES
Ho Seok JEON
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR PRODUCING METAL TITANIUM
Publication number
20230125127
Publication date
Apr 27, 2023
KYOTO UNIVERSITY
Tetsuya UDA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK
Publication number
20230102312
Publication date
Mar 30, 2023
Ohio State Innovation Foundation
Thomas Darrah
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD AND ARRANGEMENT FOR REDUCING IMPURITIES FROM A ROASTED MOLYB...
Publication number
20230026044
Publication date
Jan 26, 2023
Guido Provoost
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...