ClassID:

119518

C22B59/00 - CPC Classification

Classification description:

Obtaining rare earth metals

Recent Application in this class:
#1
20260152823
2026-06-04

METHOD FOR MULTI-STAGE CLASSIFICATION AND RECOVERY OF RARE EARTH ELEMENTS

#2
20260146304
2026-05-28

METHOD FOR RECOVERING RARE EARTH ELEMENTS FROM RARE EARTH RAW MATERIALS INCLUDING RARE EARTH ELEMENTS

#3
20260139345
2026-05-21

Phase Change System and Phase Change Crucible for the Separation of Rare Earth Elements

#4
20260132482
2026-05-14

USE OF LIPOPHILIC DERIVATIVES OF AMINOPOLYCARBOXYLIC ACIDS FOR THE EXTRACTION OF RARE EARTHS FROM AN ACIDIC AQUEOUS SOLUTION

#5
20260132481
2026-05-14

BIOREACTOR SYSTEM TO PRODUCE METAL

#6
20260131300
2026-05-14

PROCESSING MATERIALS USING MICRO-PULSE MICRO-ARC PROCESSING

#7
20260125777
2026-05-07

RECOVERY OF RARE-EARTH METALS FROM MAGNET SCRAP

#8
20260108826
2026-04-23

RARE EARTH ELEMENT EXTRACTION AND RECYCLING

#9
20260103778
2026-04-16

RARE EARTH ELEMENT EXTRACTION METHODS AND APPARATUSES

#10
20260103777
2026-04-16

METHOD FOR LEACHING OF RARE EARTH ELEMENTS IN FLUORESCENT LAMP WASTE

#11
20260103774
2026-04-16

METHOD FOR RECOVERING RARE EARTH METALS USING ORGANIC ACIDS

#12
20260103773
2026-04-16

AGENT FOR SELECTIVE METAL RECOVERY, METAL RECOVERY METHOD, AND METAL ELUTION METHOD

#13
20260103597
2026-04-16

MINE TAILINGS RECOVERY

#14
20260092341
2026-04-02

METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES

#15
20260085377
2026-03-26

Rare Earth Solvent Extraction Cell and Process

#16
20260084973
2026-03-26

SEPARATION OF ELEMENTS USING POLYOXOMETALATES AND CATIONS

#17
20260071299
2026-03-12

APPARATUS AND METHODS FOR RARE EARTH ELEMENT RECOVERY AND PURIFICATION

#18
20260071298
2026-03-12

Continuous Ion Exchange Processes for Separating Rare Earth Elements

#19
20260062770
2026-03-05

METHOD FOR LEACHING SEPARATION OF MIXED RARE EARTH CONCENTRATE

#20
20260055485
2026-02-26

TARGETED EXTRACTION OF RARE EARTH ELEMENTS, YTTRIUM AND RADIUM FROM MINERALOGICALLY CHARACTERIZED PHOSPHOGYPSUM

#21
20260043328
2026-02-12

FLEXIBLE ELECTRODE TUBE FOR ELECTRIFIED RARE EARTH MINING AND APPLICATION METHOD THEREFOR

#22
20260043112
2026-02-12

COMPREHENSIVE UTILIZATION METHOD FOR VALUABLE ELEMENTS IN HYDROMETALLURGICAL SLAG OF LATERITE NICKEL ORE

#23
20260028698
2026-01-29

A Process and System for Extracting Rare Earth Elements Using High Pulp Density Cracking

#24
20260015692
2026-01-15

ADVANCED SYSTEMS AND METHODS FOR LEACHING RARE EARTHS FROM ORE

#25
20260015687
2026-01-15

METHOD FOR RECOVERING RARE EARTH METAL

#26
20260007985
2026-01-08

ISOTOPE SEPARATION SYSTEM WITH MODULAR CRUCIBLE LOADING UNIT

#27
20260002235
2026-01-01

Method for Producing Rare Earth Metals via Thermite Reduction of Rare Earth Compounds with Aluminum

#28
20250391594
2025-12-25

SAMARIUM COBALT MAGNET RECYCLING

#29
20250369075
2025-12-04

PROCESS FOR SEPARATING RARE-EARTH METALS IN ADMIXTURE IN AQUEOUS SOLUTION

#30
20250369074
2025-12-04

PROCESS FOR SEPARATING RARE-EARTH METALS IN ADMIXTURE IN AQUEOUS SOLUTION

#31
20250369073
2025-12-04

METHODS AND COMPOSITIONS TO RECOVER RARE EARTH ELEMENTS FROM ORGANIC SOLUTIONS

#32
20250369072
2025-12-04

SYSTEM AND METHOD FOR RECYCLING MAGNETIC MATERIAL AND RARE EARTH ELEMENTS CONTAINED THEREIN

#33
20250361582
2025-11-27

PURIFICATION OF ENRICHED ISOTOPES USING A MULTI-STEP ELUTION PROCESS

#34
20250340967
2025-11-06

INTENSIFIED SEQUENTIAL RECOVERY OF RARE EARTH ELEMENTS AND OTHER CRITICAL METALS FROM WASTE

#35
20250340451
2025-11-06

MATERIALS, METHODS AND TECHNIQUES FOR THE SELECTIVE EXTRACTION OF CERIUM FROM RARE EARTH SULFATES SOLUTIONS

#36
20250333814
2025-10-30

APTAMER-BASED MINERAL AND METAL COLLECTION

#37
20250313920
2025-10-09

EXTRACTION OF RARE EARTH ELEMENTS FROM INDUSTRIAL WASTE AND OTHER MATERIALS

#38
20250313919
2025-10-09

SYSTEMS AND METHODS TO EXTRACT CRITICAL MINERALS FROM PRE-CONCENTRATES PREPARED FROM ACID MINE DRAINAGE

#39
20250313916
2025-10-09

PREPARATION METHOD OF IONIC RARE EARTH LEACHING AGENT

#40
20250305092
2025-10-02

SEPARATION OF RARE EARTH ELEMENTS

#41
20250305091
2025-10-02

SEPARATION OF RARE EARTH ELEMENTS

#42
20250305086
2025-10-02

METHODS FOR RECOVERING A TARGET METAL FROM IRON OR STEEL SLAG USING AT LEAST ONE OF A CARBOTHERMIC REDUCTION PROCESS AND A PYRO-HYDROMETALLURGICAL PROCESS

#43
20250305075
2025-10-02

EXTRACTION OF ELEMENTS AND/OR COMPOUNDS FROM IRON-CONTAINING MATERIALS SUCH AS IRON-CONTAINING TAILINGS, RECOVERY OF MAGNETICALLY SUSCEPTIBLE MATERIALS, AND RELATED SYSTEMS AND PRODUCTS

#44
20250297338
2025-09-25

PROCESS FOR THE SEPARATION OF RARE EARTH ELEMENTS AND USABLE GYPSUM FROM RADIUM-BEARING PHOSPHOGYPSUM

#45
20250295820
2025-09-25

Stable, concentrated radionuclide complex solutions

#46
20250289004
2025-09-18

MAGNETIC BASED SEPARATION OF RARE EARTH METALS USING MAGNETIC FIELDS

#47
20250282713
2025-09-11

EFFICIENT CAPTURE AND RELEASE OF THE RARE-EARTH ELEMENTS USING COVALENT ORGANIC FRAMEWORKS

#48
20250281933
2025-09-11

METHOD FOR SEPARATING A RARE EARTH ELEMENT IN SOLUTION

#49
20250270675
2025-08-28

Process and apparatus for recovering rare earth elements from coal refuse

#50
20250257425
2025-08-14

SEPARATION OF RARE EARTH ELEMENTS IN AN ENVIRONMENT WITH LOW PARTIAL PRESSURES OF OXYGEN CONTAINING GASES

#51
20250230521
2025-07-17

Microbial Platform for Rare Earth Bioaccumulation

#52
20250229198
2025-07-17

COMPOUNDS FOR SEPARATION OF RARE EARTH ELEMENTS AND S-, P-, D- METALS, METHOD OF SEPARATION, AND USE THEREOF

#53
20250223669
2025-07-10

RARE EARTH PRODUCTION FROM COAL FEEDSTOCKS

#54
20250215528
2025-07-03

METHOD AND APPARATUS FOR RECOVERING RARE EARTH METALS FROM SCRAP CONTAINING RARE EARTH METAL

#55
20250213734
2025-07-03

Stable, concentrated radionuclide complex solutions

#56
20250207222
2025-06-26

THERMO-HYDROLYTIC ASSISTED SEPARATION OF METALS

#57
20250207218
2025-06-26

PHASE CHANGE SYSTEM WITH MODULAR CRUCIBLES AND FLOW CONTROL NOZZLES

#58
20250197345
2025-06-19

SYNTHESIS OF DIGLYCOLAMIDES

#59
20250197237
2025-06-19

CO2 ASSISTED REGENERABLE SOLVENT AIDED SEPARATION OF HEAVY RARE EARTH ELEMENTS

#60
20250188222
2025-06-12

SYNTHESIS OF PHOSPHONATED POLYMER RESINS FOR THE EXTRACTION OF RARE-EARTH ELEMENTS

#61
20250179613
2025-06-05

PROCESSES AND METHODS FOR RECOVERING RARE EARTH ELEMENTS AND SCANDIUM FROM ACIDIC SOLUTIONS

#62
20250171879
2025-05-29

METHOD FOR RECOVERING RARE EARTH ELEMENTS AND OTHER PRODUCTS FROM ASH

#63
20250161837
2025-05-22

SYSTEM FOR PREPARING NEW ENERGY NI-CO-MN RAW MATERIAL FROM LATERITE NICKEL ORE

#64
20250154622
2025-05-15

RECOVERY SYSTEM OF RARE EARTH ELEMENTS BASED ON MEMBRANE APPLICATIONS

#65
20250146104
2025-05-08

RECOVERING RARE EARTH ELEMENTS

#66
20250115979
2025-04-10

Step-Leaching Process of Rare Earth Elements from Ash Materials Using Mild Inorganic Acids at Ambient Conditions

#67
20250109460
2025-04-03

Production of Neodymium and Other Rare Earth Metals Using Hydrogen Augmented Magnesium Alloy

#68
20250109459
2025-04-03

METHOD FOR RECOVERING METALS FROM METAL ALLOYS AND INTERMETALLICS

#69
20250092783
2025-03-20

METHOD AND SYSTEM FOR MINING RARE EARTH ORE BY DIRECT CURRENT

#70
20250092486
2025-03-20

SACRIFICIAL METAL BASED RADIOLYSIS MITIGATION DURING CHROMATOGRAPHIC SEPARATION OF RADIOISOTOPES

#71
20250084502
2025-03-13

ULTRA-HIGH TEMPERATURE CONTINUOUS REDUCTION OF METAL COMPOUND PARTICLES WITH SUBSEQUENT SELECTIVE SEPARATION

#72
20250082791
2025-03-13

Stable, concentrated radionuclide complex solutions

#73
20250082790
2025-03-13

Stable, concentrated radionuclide complex solutions

#74
20250075359
2025-03-06

PREPARATION OF RARE EARTH METALS WITH DOUBLE SALTS

#75
20250059626
2025-02-20

METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES

#76
20250058299
2025-02-20

Chromatographic Separation of Rare-Earth Elements

#77
20250051878
2025-02-13

Separation of rare earth elements

#78
20250049969
2025-02-13

Stable, concentrated radionuclide complex solutions

#79
20250011900
2025-01-09

METHOD FOR RECYCLING IRON ORE TAILING AND USE THEREOF

#80
20240425948
2024-12-26

EFFICIENT RECYCLING OF E-WASTE BY ENERGY LANDSCAPE INVERSION

#81
20240417827
2024-12-19

METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM ION-ADSORPTION CLAYS

#82
20240417826
2024-12-19

A GREEN PROCESS FOR THE EXTRACTION OF LANTHANIDE ELEMENTS

#83
20240392414
2024-11-28

METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES

#84
20240392413
2024-11-28

Methods Of Recycling Target Elements From Metallic Components

#85
20240392412
2024-11-28

USE OF ORGANIC ACID-CONTAINING LEACHING AGENT IN LEACHING FROM ION-ADSORPTION TYPE RARE EARTH ORE AND METHOD FOR LEACHING FULL-PHASE RARE EARTH

#86
20240392411
2024-11-28

Tapered Phase Change Crucible System for the Separation of Rare Earth Elements

#87
20240391799
2024-11-28

SYSTEMS AND METHODS FOR SEPARATION OF RARE EARTH ELEMENTS USING AIR FLOTATION

#88
20240384372
2024-11-21

COAL AND RARE EARTH RECOVERY METHOD AND SYSTEM

#89
20240384367
2024-11-21

NON-TOXIC AND ENVIRONMENTALLY FRIENDLY METHOD OF RECYCLING ACID MINE DRAINAGE (AMD) SLUDGE, LATERITE, AND SOIL TO SELECTIVELY EXTRACT RARE EARTH AND CRITICAL MINERALS

#90
20240376569
2024-11-14

METHODS AND COMPOSITIONS FOR EXTRACTION OF RARE EARTH ELEMENTS FROM COAL ASH

#91
20240376568
2024-11-14

EFFICIENT RARE EARTH AND CRITICAL MATERIAL RECOVERY FROM RARE EARTH MAGNETS

#92
20240372166
2024-11-07

Batteries and Cathodes Including Nickel Hydroxide Recovered and Isolated From Nickel Metal Hydride Batteries

#93
20240368734
2024-11-07

METHODS FOR EXTRACTING RARE EARTH ELEMENTS FROM RARE EARTH ELEMENT SOURCES

#94
20240368725
2024-11-07

COMPOSITIONS AND METHODS FOR BIOLOGICAL PRODUCTION AND HARVEST OF PRECIOUS METALS, PLATINUM GROUP ELEMENTS, AND RARE EARTH ELEMENTS

#95
20240344169
2024-10-17

METAL RECOVERING METHOD

#96
20240327949
2024-10-03

ALUMINUM PRODUCTION POWERED BY GEOTHERMAL ENERGY

#97
20240318283
2024-09-26

METHOD OF PRODUCING AND REFINING CARRIER-FREE LUTETIUM-177 USING CHROMATOGRAPHY

#98
20240308843
2024-09-19

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#99
20240301531
2024-09-12

Advanced Beneficiation Process for Beneficiation, Mobilization, Extraction, Separation, and Concentration of Mineralogical Resources

#100
20240294553
2024-09-05

SIZE-SELECTIVE ACYCLIC CHELATORS AND THEIR USE FOR THE RECOVERY OF RARE EARTH ELEMENTS

#101
20240287643
2024-08-29

APPARATUS AND METHOD FOR SELECTIVE REMOVAL OF AT LEAST ONE RARE EARTH ELEMENT

#102
20240285814
2024-08-29

Stable, concentrated radionuclide complex solutions

#103
20240285813
2024-08-29

Stable, concentrated radionuclide complex solutions

#104
20240285812
2024-08-29

Stable, concentrated radionuclide complex solutions

#105
20240285811
2024-08-29

Stable, concentrated radionuclide complex solutions

#106
20240279774
2024-08-22

COMPOSITIONS COMPRISING PROTEINS AND METHODS OF USE THEREOF FOR RARE EARTH ELEMENT SEPARATION

#107
20240279773
2024-08-22

Mixed rare earth concentrate mineral and suspended mineral phase transformation-clean leaching system and method thereof

#108
20240279768
2024-08-22

SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE

#109
20240271247
2024-08-15

PREPARATION OF RARE EARTH METALS AND OTHER CHEMICALS FROM INDUSTRIAL WASTE COAL ASH

#110
20240270612
2024-08-15

SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELATED SYSTEMS

#111
20240229188
2024-07-11

SYSTEMS AND METHODS FOR EXTRACTING RARE EARTH ELEMENTS WITH ENGINEERED MICROORGANISMS

#112
20240209475
2024-06-27

RECOVERY OF RARE EARTH METALS FROM COAL MINING SITES

#113
20240209472
2024-06-27

SYSTEMS AND METHODS FOR THE BINDING OF RARE EARTH ELEMENTS BY BETA ROLL PEPTIDES

#114
20240200165
2024-06-20

Method for recovering rare earth elements from NdFeB waste and use of ferric oxide as raw material of manganese-zinc ferrite

#115
20240191321
2024-06-13

SEMI-CONTINUOUS RARE EARTH METAL PRODUCTION

#116
20240183006
2024-06-06

IONIC LIQUID BASED PROCESSES FOR EXTRACTION OF METALS

#117
20240181429
2024-06-06

MODIFIED POLYAMINES GRAFTED TO A PARTICULATE, SOLID SUPPORT AS SORBENT MATERIALS FOR REMOVAL OF TARGET SUBSTANCES FROM FLUIDS

#118
20240167118
2024-05-23

Methods and Preparation of M13 Phage for Passive Recovery of Rare Earth Elements

#119
20240132993
2024-04-25

SYSTEMS AND METHODS FOR EXTRACTING RARE EARTH ELEMENTS WITH ENGINEERED MICROORGANISMS

#120
20240093329
2024-03-21

Ultra-high temperature continuous reduction of metal compound particles with subsequent selective separation

#121
20240076761
2024-03-07

IDENTIFYING AND EXTRACTING RARE EARTH ELEMENTS FROM MINING OPERATIONS

#122
20240076760
2024-03-07

METHOD OF RECYCLING A COMPONENT WITH RARE EARTH ELEMENT RECOVERY

#123
20240076195
2024-03-07

TASK-SPECIFIC IONIC LIQUIDS FOR SELECTIVE SEPARATION AND RECOVERY OF RARE EARTH ELEMENTS

#124
20240075171
2024-03-07

Stable, concentrated radionuclide complex solutions

#125
20240068071
2024-02-29

SEPARATION OF RARE EARTH ELEMENTS

#126
20240060154
2024-02-22

METHOD FOR COLLECTING CALCIUM AND RARE EARTH METAL FROM SLAG

#127
20240050924
2024-02-15

Environmentally Friendly Polymeric Sorbent Material for the Extraction and Determination of Rare Earth Elements, Thorium, and Uranium

#128
20240043963
2024-02-08

APPARATUS AND METHOD FOR METAL EXTRACTION

#129
20240035118
2024-02-01

Phase Change System and Phase Change Crucible for the Separation of Rare Earth Elements

#130
20240011125
2024-01-11

Repeated Distillation/Sublimation of Rare Earth Elements

#131
20230407434
2023-12-21

Methods and Systems for the Reduction of Rare Earth Metal Oxides

#132
20230399721
2023-12-14

RECYCLING METHOD FOR HEAVY RARE EARTH ELEMENT AND RECYCLING METHOD FOR RARE EARTH MAGNET

#133
20230381741
2023-11-30

SELECTIVE APPROACH TO SEPARATE AND CONCENTRATE RARE EARTH ELEMENTS

#134
20230374623
2023-11-23

ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PERFORMING SAME

#135
20230366059
2023-11-16

METHOD FOR SEPARATION OF ADJACENT LANTHANIDE ELEMENTS

#136
20230365422
2023-11-16

SELECTIVE MATERIAL RECOVERY FROM NATURAL BRINES

#137
20230357890
2023-11-09

METHOD FOR SEPARATING LUTETIUM AND YTTERBIUM USING CHROMATOGRAPHY

#138
20230357886
2023-11-09

Methods for Selective Recovery of Rare Earth Elements and Metals from Coal Ash by Ionic Liquids

#139
20230356208
2023-11-09

Composite Extractant-Enhanced Polymer Resin, Method of Making the Same, and Its Usage for Extraction of Valuable Metal(s)

#140
20230356105
2023-11-09

TETRAAZADODECANE BASED CHELATING AGENTS FOR SEPARATION OF RARE EARTH ELEMENTS AND METHOD THEREFOR

#141
20230340639
2023-10-26

RECOVERY OF RARE EARTH ELEMENTS FROM ACIDIC SOLUTIONS

#142
20230335815
2023-10-19

Recycling process for isolating and recovering rare earth metals and nickel hydroxide from nickel metal hydride batteries

#143
20230332275
2023-10-19

PROCESSES FOR THE SEPARATION OF RARE EARTH ELEMENTS AND NON-RARE EARTH ELEMENTS INTO INDIVIDUAL HIGH PURITY ELEMENTS

#144
20230332274
2023-10-19

RECOVERING RARE EARTH ELEMENTS AND OTHER TRACE METALS FROM CARBON-BASED ORES

#145
20230331662
2023-10-19

AN N,N-DIHYDROCARBONYLAMIDE CARBOXYLIC ACID, PREPARATION METHOD THEREFOR AND USE THEREOF

#146
20230331659
2023-10-19

N,N-DIHYDROCARBONYL AMINO CARBOXYLIC ACID, PREPARATION METHOD THEREFOR AND USE THEREOF

#147
20230331562
2023-10-19

SEPARATION OF ELEMENTS USING POLYOXOMETALATES AND CATIONS

#148
20230313335
2023-10-05

PROCESS AND METHOD FOR SEPARATING RARE EARTH ELEMENTS FROM LEACH SOLUTIONS

#149
20230312364
2023-10-05

PROCESSING OF TITANIFEROUS ORES AND MINERALS

#150
20230286822
2023-09-14

Method for separating and extracting rare-earth and regenerating rare-earth polishing powder from rare-earth polishing powder waste

#151
20230272505
2023-08-31

DEVICE FOR RECOVERING MAGNETIC GRAINS FROM SINTERED MAGNETS OR PLASTIC MAGNETS

#152
20230271827
2023-08-31

Systems and methods for generating hydrogen and magnetite from rock

#153
20230265541
2023-08-24

method for recovering rare-earth in cerium-based rare-earth polishing powder waste by two-step acid leaching gradient separation

#154
20230249100
2023-08-10

SUPERCRITICAL FLUID-ENHANCED SELECTIVE EXTRACTION OF RARE EARTH ELEMENTS

#155
20230243016
2023-08-03

APPLICATIONS OF CARBOXYLIC COMPOUND SERVING AS EXTRACTING AGENT AND METAL ION EXTRACTION METHOD

#156
20230227942
2023-07-20

SEPARATION OF RARE EARTH ELEMENTS

#157
20230212709
2023-07-06

Rare Earth Laser-Assisted Metal Production and Separation

#158
20230192506
2023-06-22

HIGH PRESSURE CAUSTIC LEACH METHODS AND PROCESSES FOR RECOVERY OF SCANDIUM AND RARE-EARTH OXIDES

#159
20230151456
2023-05-18

Method for extracting rare earth elements from rare earth element hyperaccumulator

#160
20230129947
2023-04-27

Advanced beneficiation process for beneficiation, mobilization, extraction, separation, and concentration of mineralogical resources

#161
20230124458
2023-04-20

Process of Rare Earth Recovery from Ores Containing Bastnaesite

#162
20230115288
2023-04-13

PROCESSING FOR THE EXTRACTION OF RARE EARTH ELEMENTS

#163
20230102312
2023-03-30

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#164
20230093246
2023-03-23

MULTI-DIMENSIONAL LIGAND-ASSISTED CHROMATOGRAPHY METHOD FOR THE PURIFICATION OF RARE EARTH ELEMENTS AND OTHER METAL IONS FROM WASTE MAGNETS

#165
20230089345
2023-03-23

METHOD FOR SELECTIVE SEPARATION OF THORIUM AND CERIUM FROM A SOLID CONCENTRATE COMPRISING SAME AND ONE OR MORE FURTHER RARE EARTH METALS AND ACIDIC RARE EARTH SOLUTION THEREOF

#166
20230067876
2023-03-02

Method of pyrolysis for waste light-emitting electronic components and recovery for rare-earth element

#167
20230062419
2023-03-02

MULTI-DIMENSIONAL LIGAND-ASSISTED CHROMATOGRAPHY METHOD FOR THE PURIFICATION OF COMPLEX REE AND OTHER METAL IONS FORM MIXTURES/MINERALS

#168
20230059863
2023-02-23

SEPARATION OF RARE EARTH METALS

#169
20230042346
2023-02-09

Organic acid solution having at least one ionic salt and at least one organic acid which is used for rare earth extraction

#170
20230039988
2023-02-09

Rare earth enrichment process by contacting raw material with a base at specific pH values

#171
20230039227
2023-02-09

INTEGRATED METHOD FOR THE COMMERCIAL AND INDUSTRIAL UTILISATION OF CALCIUM SULPHATE WHILST OBTAINING RARE EARTH ELEMENTS FROM THE PRODUCTION OF PHOSPHORIC ACID

#172
20230020915
2023-01-19

METHOD FOR EXTRACTING SCANDIUM FROM SCANDIUM-CONTAINING MATERIALS

#173
20230010128
2023-01-12

METHOD OF COLLECTING RARE EARTH ELEMENTS

#174
20230002855
2023-01-05

Separation of rare earth elements

#175
20220411893
2022-12-29

PURIFICATION OF SCANDIUM CONCENTRATE

#176
20220403482
2022-12-22

DISSOLUTION PROCESS

#177
20220402767
2022-12-22

METHOD FOR THERMAL BARRIER COATING PRODUCTION BY RECYCLING THERMAL BARRIER COATING MATERIALS

#178
20220401856
2022-12-22

Chromatographic separation of metals using DOTA-based chelators

#179
20220372595
2022-11-24

Materials derived from coal using environmentally friendly solvents

#180
20220364200
2022-11-17

Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process

#181
20220348619
2022-11-03

RARE EARTH ELEMENT (REE)-BINDING PROTEINS

#182
20220340997
2022-10-27

SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE

#183
20220325379
2022-10-13

Method for Extracting Rare Earth Metals

#184
20220307105
2022-09-29

RARE EARTH ELEMENT EXTRACTION AND RECYCLING

#185
20220305457
2022-09-29

Adsorbent particles, base particle, packed column, and method for recovering rare-earth element

#186
20220289585
2022-09-15

METHODS FOR THE RECOVERY OF RARE EARTH ELEMENTS

#187
20220259699
2022-08-18

RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF

#188
20220259694
2022-08-18

SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE

#189
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ADVANCED SYSTEMS AND METHODS FOR LEACHING RARE EARTHS FROM ORE

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PROCESS FOR THE SYNTHESIS OF THE IONIC LIQUID TETRAOCTYLAMMONIUM DI(2-ETHYLHEXYL)-OXAMATE (IL-5), PRODUCT OBTAINED AND ITS USE IN SELECTIVE METAL EXTRACTION

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2022-07-07

Task-specific ionic liquids for selective separation and recovery of rare earth elements

#192
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2022-06-30

METHOD FOR SEPARATING YTTRIUM OXIDE FROM HIGH-YTTRIUM RARE EARTH ORE BY GROUPING MANNER AND METHOD FOR SEPARATING YTTRIUM OXIDE FROM MEDIUM-YTTRIUM AND EUROPIUM-RICH EARTH ORE BY GROUPING MANNER

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2022-06-23

Preparation of rare earth metals and other chemicals from industrial waste coal ash

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2022-06-09

PROCESSES AND SYSTEMS OF RECOVERY OF RARE EARTH ELEMENTS AND/OR LITHIUM BY MARINE MACROALGAE

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2022-05-12

Methods of producing enriched scandium-47, and related systems and apparatuses

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2022-05-12

Process for making modified DTPA-associated organosilica media for use in solid-liquid extraction of rare earth elements

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2022-05-12

Method for leaching rare earth elements and critical minerals from organically associated materials

#198
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2022-05-12

Generation of rare earth elements from organically-associated leach solutions

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2022-04-28

PROCESS AND SYSTEM FOR EXTRACTION OF RARE EARTH ELEMENTS USING AN ACID SOAK

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2022-04-14

COMPOSITION AND METHOD OR RECOVERING RARE-EARTH ELEMENTS

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20220112576
2022-04-14

Process and system for recovering rare earth elements

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2022-04-07

Integrated Acceleration of Algae and Microbial Screening Method and Facility for Recovery of Heavy Metals and Rare Earth Elements

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2022-03-10

Process for Extraction of Recoverable Rare Earth Elements (REE) Using Organic Acids and Chelating Compounds

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LOW-COST SELECTIVE PRECIPITATION CIRCUIT FOR RECOVERY OF RARE EARTH ELEMENTS FROM ACID LEACHATE OF COAL WASTE

#205
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2022-01-20

Step-leaching process of rare earth elements from ash materials using mild inorganic acids at ambient conditions

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2022-01-13

Use of synergistic mixture of extractants for extracting rare earth elements from an aqueous medium comprising phosphoric acid

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2022-01-06

METHODS FOR SEPARATION AND RECOVERY OF RARE EARTH ELEMENTS FROM AQUEOUS SOLUTIONS USING DIGLYCOLAMIDE DERIVATIVES

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2022-01-06

DIGLYCOLAMIDE DERIVATIVES FOR SEPARATION AND RECOVERY OF RARE EARTH ELEMENTS FROM AQUEOUS SOLUTIONS

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Process for purifying and concentrating rare earths from phosphogypsum

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2021-12-16

Concentration of precious metals and rare earth elements

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2021-12-09

Alkaline solution method for recovering rare earth elements

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Method for optimizing liquid injection process of ionic rare earth ore

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2021-11-25

Method For Extracting Rare Earth Elements Contained In Permanent Magnets

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2021-11-11

Method for separation of rare earth elements from coal ash using supercritical carbon dioxide

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Hard Drive Dismantling System

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2021-10-07

PROCESS FOR METALLURGY AND SEPARATING RARE EARTH CONCENTRATE USING COMBINATION METHOD

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2021-09-23

Methods of recovering an elemental rare earth metal, and methods of forming a rare earth metal

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2021-09-16

Countercurrent rare earth separation process

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METHOD FOR RECOVERING SCANDIUM

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METHOD FOR PRODUCING SCANDIUM COMPOUND, AND SCANDIUM COMPOUND

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Selective sulfidation and desulfidation

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Enhanced separation of rare earth metals

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METHODS OF SEQUESTERING TARGET ELEMENTS

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METHOD AND SYSTEM FOR SUPERCRITICAL FLUID EXTRACTION OF METAL

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2021-08-26

Ionic Liquid Preparation

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Method for recovering scandium

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2021-08-19

Rare earth metal oxide process including extracting rare earth metal from acidic solution with an ionic liquid composition

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2021-08-05

Microwave chemical method for totally extracting fluorine and rare earth from bastnaesite concentrate

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2021-07-15

Material and its method for rapid eluting in an ionic rare earth ore leaching site

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2021-07-15

Management system for hard drive dismantling system

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2021-07-08

SYSTEMS AND PROCESSES FOR RECOVERY OF HIGH-GRADE RARE EARTH CONCENTRATE FROM ACID MINE DRAINAGE

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METAL-BINDING PROTEIN AND USE THEREOF

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LIGAND ASSISTED CHROMATOGRAPHY FOR METAL ION SEPARATION

#234
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Composite Extractant-Enhanced Polymer Resin, Method of Making the Same, and Its Usage for Extraction of Valuable Metal(s)

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Processes for the separation of rare earth elements and non-rare earth elements into individual high purity elements

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BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES

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2021-06-10

Combined grinding and leaching apparatus for ores and wastes and methods of use thereof

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2021-05-13

Process for the recovery of rare earths

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2021-05-13

Processing rare earth sulphate solutions

#240
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2021-04-08

Methods and compositions for extraction of rare earth elements from coal ash

#241
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2021-03-04

SYSTEMS AND METHODS FOR SELECTIVE RECOVERY OF METALS FROM ION EXCHANGE RESINS

#242
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Method for treating fluorine-containing rare earth mineral particles

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Selective material recovery from solution

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Chemical dismantling of permanent magnet material and battery material

#245
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2021-02-04

Methods of Rare Earth Metal Recovery from Electronic Waste

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2021-02-04

Method for producing high-purity scandium oxide

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2021-01-28

Rare earth oxide to rare earth extraction apparatus and method of use thereof

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20210025025
2021-01-28

RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF

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2021-01-21

Systems and processes for recovery of high-grade rare earth concentrate from acid mine drainage

#250
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2021-01-14

Purification of quartz powders by removal of microparticles of refractory materials

#251
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2021-01-14

Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids

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2021-01-07

Extracting rare-earth elements from a gangue heavy fraction

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2020-12-31

Ore volume-based zonal injection method for ionic rare earth ore

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2020-12-24

Method and apparatus for producing specific substances by extraction and separation in a liquid-liquid system

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2020-12-17

Method and system for predicting content of multiple components in rare earth extraction process

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2020-11-26

Rare earth amide compositions

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2020-11-19

PROCESS FOR LEACHING RARE EARTH ELEMENTS

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2020-11-12

Stable, concentrated radionuclide complex solutions

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METHODS FOR DESIGNING AN EFFICIENT PREPARATIVE CHROMATOGRAPHIC SEPARATION PROCESS

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Mechano-chemical de-mixing of metal alloys and mixed materials

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2020-10-22

APPARATUS AND METHOD FOR POWER GENERATION AND VALUABLE ELEMENT RECOVERY FROM COMBUSTION BY-PRODUCTS

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2020-10-01

Method and system for separation of rare earth elements from secondary sources

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2020-10-01

Method for separating rare earth element

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2020-10-01

Ligand Assisted Chromatography for Metal Ion Separation

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2020-10-01

Method for recovering valuable elements from precombustion coal-based materials

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2020-10-01

Process for separating scandium from complex salt mixtures

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PROCESS FOR PROCESSING RED MUD AND PRODUCING RARE-EARTH METAL SALTS

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Method for separating Dy and Tb from alloy containing both

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2020-09-10

Compounds for separation of rare earth elements and s-, p-, d-metals, method of separation, and use thereof

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Compositions and methods of use thereof for rare earth element separation

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2020-08-27

Hard disk drive dismantlement for critical material recovery

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2020-08-27

Solid extracting agent with high dynamic exchange capacity for extraction of scandium and method of its production

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2020-07-30

Prediction control method and system for component contents in rare earth extraction process

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2020-07-30

Systems and methods to chemically treat metal-bearing waste streams to recover value-added materials

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2020-07-16

Recovery of scandium and vanadium values from feedstocks using ultrasound-assisted extraction

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2020-06-25

PROCESS FOR THE RECOVERY OF RARE EARTH METALS FROM PERMANENT MAGNETS

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2020-06-25

Method for determining source sink term in ionic type rare earth ore leaching process

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2020-05-28

Method for recovery of NdFeB grains from bulk sintered Nd—Fe—B magnets and/or magnet scraps by electrochemical etching

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2020-05-07

METHOD OF REMOVING IRON IONS FROM A SOLUTION CONTAINING NEODYMIUM, PRASEODYMIUM, DYSPROSIUM AND IRON

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2020-03-12

Extracting rare earth metal from acidic solution by contacting with ionic liquid composition

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2020-02-20

Method and system for processing rare earth concentrate ore

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2020-02-20

Separation of rare earth elements using supported membrane solvent extraction

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2020-02-20

Device for continuously decomposing rare earth concentrate ore

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2020-02-13

Continuous solvent extraction process for generation of high grade rare earth oxides from leachates generated from coal sources

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2020-01-30

Stable, concentrated radionuclide complex solutions

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2020-01-02

Methods for recovery of rare earth elements from coal

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2020-01-02

Systems for acid digestion processes

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2019-12-26

Use of novel compounds for selectively extracting rare earths from aqueous solutions including phosphoric acid and associated extraction method

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20190368004
2019-12-05

Methods for making zeolites

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20190360073
2019-11-28

Method for recovering scandium from red mud left from alumina production

#291
20190358703
2019-11-28

Method and plant for the production of a starting material for the production of rare earth magnets

#292
20190344198
2019-11-14

Lipophilic diglycolamide compounds for extraction of rare earth metals from aqueous solutions

#293
20190316225
2019-10-17

EXTRACTION OF RARE EARTH ELEMENTS AND CARBON RICH SOLIDS FROM COAL FEEDSTOCK USING IONIC LIQUIDS

#294
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2019-10-10

PROCESS FOR THE PREPARATION OF A CONCENTRATE OF METALS, RARE METALS AND RARE EARTH METALS FROM RESIDUES OF ALUMINA PRODUCTION BY BAYER PROCESS OR FROM MATERIALS WITH A CHEMICAL COMPOSITION SIMILAR TO SAID RESIDUES, AND REFINEMENT OF THE CONCENTRATE SO OBTAINED

#295
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2019-09-26

Method for recovering a minor metal and/or rare-earth metal

#296
20190247860
2019-08-15

Extracting rare-earth elements from a gangue heavy fraction

#297
20190245216
2019-08-08

Method of recovering metal compounds from solid oxide fuel cell scrap

#298
20190226055
2019-07-25

Separation of rare earth elements from other elements

#299
20190226054
2019-07-25

Methods of recovering rare earth elements

#300
20190226052
2019-07-25

Method and system for recovering magnetic grains from sintered magnets or plastic magnets