ClassID:

119264

C22B3/44 - CPC Classification

Classification description:

Extraction of metal compounds from ores or concentrates by wet processes; Treatment or purification of solutions, e.g. obtained by leaching by chemical processes

Sub-classes:
Recent Application in this class:
#1
20260145956
2026-05-28

LITHIUM RECOVERY BY LEACHING FROM WASTE CATIONIC MATERIALS AND METHOD FOR PREPARATION OF LITHIUM CARBONATE

#2
20260139344
2026-05-21

BATTERY RECYCLING BY TREATMENT OF THE LEACH WITH METALLIC NICKEL

#3
20260139342
2026-05-21

Method of Obtaining a Nickel Ore Concentrate, Method of Processing a Nickel Ore Concentrate, and Method of Recovering Materials Derived from Nickel Ore

#4
20260139340
2026-05-21

SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS

#5
20260132486
2026-05-14

METHOD OF RECOVERING LITHIUM

#6
20260110049
2026-04-23

CRUSHING, DISSOLUTION, AND SEPARATION TECHNIQUES FOR LITHIUM-BEARING MATERIALS

#7
20260109634
2026-04-23

METHOD FOR TREATING AN AMMONICAL COPPER ETCHING PCB WASTEWATER

#8
20260108826
2026-04-23

RARE EARTH ELEMENT EXTRACTION AND RECYCLING

#9
20260103778
2026-04-16

RARE EARTH ELEMENT EXTRACTION METHODS AND APPARATUSES

#10
20260103773
2026-04-16

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

#11
20260100436
2026-04-09

METHOD OF RECOVERING METAL FROM BATTERY WASTE

#12
20260098323
2026-04-09

RECOVERING URANIUM FROM A URANYL NITRATE SOLUTION

#13
20260085382
2026-03-26

PROCESS OF PROVIDING TITANIUM DIOXIDE AND/OR VANADIUM OXIDE

#14
20260085381
2026-03-26

METHODS FOR EXTRACTING CRITICAL MINERALS FROM SEDIMENTARY ROCK

#15
20260084973
2026-03-26

SEPARATION OF ELEMENTS USING POLYOXOMETALATES AND CATIONS

#16
20260081247
2026-03-19

PROCESS FOR RECYCLING ALUMINUM HYDROXIDE FROM A BLACK MASS

#17
20260070800
2026-03-12

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#18
20260062770
2026-03-05

METHOD FOR LEACHING SEPARATION OF MIXED RARE EARTH CONCENTRATE

#19
20260055485
2026-02-26

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

#20
20260055484
2026-02-26

PROCESSES FOR EXTRACTING METALS FROM LITHIUM-ION BATTERIES

#21
20260055482
2026-02-26

REAL-TIME MONITORING SYSTEM AND METHOD FOR COPPER-ARSENIC SULFIDATION SEPARATION IN COPPER ELECTROLYTE PURIFICATION PROCESS

#22
20260049375
2026-02-19

METHOD FOR RECOVERING METALS

#23
20260049374
2026-02-19

MIXTURE COMPRISING A SULFIDIZING AGENT AND AN ALKALINIZING AGENT AND ITS USE

#24
20260045572
2026-02-12

ALKYL CARBONATES AS REDUCING AGENTS IN HYDROMETALLURGY

#25
20260043112
2026-02-12

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

#26
20260043109
2026-02-12

GAS HYDRATE-BASED LITHIUM PROCESSING FROM BRINE

#27
20260035263
2026-02-05

METHODS FOR BATTERY-GRADE AQUEOUS SOLUTIONS OF NICKEL SALTS

#28
20260028239
2026-01-29

METHOD AND APPARATUS FOR EXTRACTING COPPER/TIN SOURCE MATERIAL FROM OXALATE OF COPPER AND/OR TIN

#29
20260027531
2026-01-29

BRINE MIXING SYSTEMS AND METHODS

#30
20260022484
2026-01-22

METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS

#31
20260022023
2026-01-22

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#32
20260015687
2026-01-15

METHOD FOR RECOVERING RARE EARTH METAL

#33
20260015247
2026-01-15

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#34
20260009105
2026-01-08

METHOD FOR REMOVING ALUMINUM AND METHOD FOR RECOVERING METALS

#35
20260009103
2026-01-08

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#36
20260002233
2026-01-01

METHODS FOR OBTAINING CARBON NEUTRAL OR CARBON NEGATIVE METALS FROM PLANTS, AND RELATED COMPOSITIONS

#37
20260002228
2026-01-01

MULTI-STAGED HIGH TEMPERATURE PRESSURE OXIDATION PROCESS FOR DOUBLE REFRACTORY PRECIOUS METAL-CONTAINING MATERIALS

#38
20260001037
2026-01-01

Membrane Concentration of Dissolved Species

#39
20250376742
2025-12-11

LITHIUM EXTRACTION FROM SLURRIES BY ADVANCED CARBONATION PROCESSING

#40
20250376740
2025-12-11

EXTRACTION OF MATERIALS FROM A LIQUID MEDIUM BY ADVANCED MINERALIZATION PROCESSING

#41
20250372746
2025-12-04

RECOVERY AND REUTILIZATION OF WATER DURING BATTERY RECYCLING

#42
20250369075
2025-12-04

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

#43
20250369074
2025-12-04

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

#44
20250368522
2025-12-04

MULTI-OPERATION PROCESSING OF LITHIUM SOLUTION

#45
20250349922
2025-11-13

IMPURITY MANAGEMENT PROCESS FOR LITHIUM-ION BATTERY RECYCLING

#46
20250346974
2025-11-13

METHOD OF REMOVING CALCIUM IN A RECHARGEABLE LITHIUM BATTERY RECYCLING PROCESS

#47
20250340451
2025-11-06

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

#48
20250333815
2025-10-30

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#49
20250323337
2025-10-16

SELECTIVE LITHIUM EXTRACTION FOR CATHODE MATERIALS

#50
20250320581
2025-10-16

FILTERING BRINE STREAMS FROM DIRECT LITHIUM EXTRACTION UNITS USING FLOW RATES ADJUSTED BASED ON ELECTRICAL CONDUCTIVITY

#51
20250313919
2025-10-09

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

#52
20250313918
2025-10-09

BENEFICATION OF MANGANESE-BEARING ORE

#53
20250297338
2025-09-25

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

#54
20250283191
2025-09-11

METHODS AND SYSTEMS OF ACID-BASE LEACHING FOR INDUSTRIAL BYPRODUCTS

#55
20250282633
2025-09-11

SEQUENTIAL HYDROMETALURGICAL RECOVERY OF METAL VALUES WITH SEQUESTERED CARBON

#56
20250281933
2025-09-11

METHOD FOR SEPARATING A RARE EARTH ELEMENT IN SOLUTION

#57
20250276290
2025-09-04

APPARATUS AND METHOD FOR SEPARATION OF METAL-BEARING PHASES USING ELECTRODIALYSIS

#58
20250270672
2025-08-28

METHOD FOR RECOVERING PRECURSOR METAL FOR SECONDARY CELL CATHODE MATERIAL USING SYNERGISTIC SOLVENT EXTRACTION APPLIED WITH EXTRACTANT DEGRADATION PREVENTING TECHNOLOGY

#59
20250236532
2025-07-24

PROCESS OF EXTRACTING DELETERIOUS SUBSTANCES, AND PRODUCT OBTAINED THROUGH THE PROCESS OF EXTRACTING DELETERIOUS SUBSTANCES

#60
20250230057
2025-07-17

METHOD FOR TREATING MANGANESE-COPPER MIXED SOLUTION

#61
20250223669
2025-07-10

RARE EARTH PRODUCTION FROM COAL FEEDSTOCKS

#62
20250215527
2025-07-03

ELECTRODE MATERIAL LEACHING METHOD AND METHOD FOR SEPARATING COBALT AND NICKEL

#63
20250215523
2025-07-03

Improved Systems And Methods For Metal Recovery From Lithium Ion Batteries

#64
20250201954
2025-06-19

METHOD OF USING A WET METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM BATTERIES

#65
20250197964
2025-06-19

PRECIOUS METALS RECOVERY

#66
20250197237
2025-06-19

CO2 ASSISTED REGENERABLE SOLVENT AIDED SEPARATION OF HEAVY RARE EARTH ELEMENTS

#67
20250183399
2025-06-05

Processes And Systems For Purifying Independent Streams Of Manganese, Nickel, And Cobalt From Lithium-Ion Battery Waste Streams

#68
20250178922
2025-06-05

METHOD FOR CONTINUOUSLY PREPARING MIXED HYDROXIDE PRECIPITATE FROM LATERITE NICKEL ORE BY HYDROMETALLURGY

#69
20250171879
2025-05-29

METHOD FOR RECOVERING RARE EARTH ELEMENTS AND OTHER PRODUCTS FROM ASH

#70
20250171878
2025-05-29

PROCESS AND SYSTEM FOR RECOVERING MANGANESE FROM HIGH-PRESSURE LEACHING SYSTEM OF LATERITE NICKEL ORE

#71
20250171342
2025-05-29

WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE

#72
20250170544
2025-05-29

LIMESTONE SLURRY AND LIME MILK PREPARING DEVICE FOR HYDROMETALLURGY OF LATERITE NICKEL ORE

#73
20250163543
2025-05-22

LITHIUM RECOVERY SYSTEM FOR BLACK MASS

#74
20250163541
2025-05-22

Method of Obtaining a Nickel Ore Concentrate, Method of Processing a Nickel Ore Concentrate, and Method of Recovering Materials Derived from Nickel Ore

#75
20250163538
2025-05-22

PRECIPITATION SYSTEM FOR HYDROMETALLURGICAL PROCESSING OF LATERITE NICKEL ORE

#76
20250154676
2025-05-15

ZINC RECOVERY METHOD

#77
20250154627
2025-05-15

PROCESS FOR THE RECOVERY OF LI, NI AND CO

#78
20250146103
2025-05-08

Method for recovering iron and aluminum from red mud

#79
20250137094
2025-05-01

ALKALI MICROWAVE EXTRACTION

#80
20250137093
2025-05-01

Method for recovering lithium from spent cathode of aluminum electrolysis

#81
20250128211
2025-04-24

Harnessing Metal Ions from Brines

#82
20250128186
2025-04-24

DEVICES FOR EFFICIENT SORBENT UTILIZATION IN LITHIUM EXTRACTION

#83
20250122593
2025-04-17

RECOVERY OF POTASSIUM AND AMMONIA SALTS BY INDUCED PRECIPITATION WITH CO2

#84
20250109459
2025-04-03

METHOD FOR RECOVERING METALS FROM METAL ALLOYS AND INTERMETALLICS

#85
20250109454
2025-04-03

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

#86
20250101544
2025-03-27

LITHIUM RECOVERY FROM BRINE

#87
20250070296
2025-02-27

LITHIUM-ION BATTERY RECYCLING METHOD

#88
20250070294
2025-02-27

Adaptable processes and systems for purifying co-precipitated or independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams

#89
20250070293
2025-02-27

Processes and systems for purifying independent streams of manganese, nickel, and cobalt from lithium-ion battery waste streams

#90
20250070292
2025-02-27

TERNARY POSITIVE ACTIVE ELECTRODE LEACHING

#91
20250066878
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL

#92
20250066877
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY FROM RAW MATERIALS CONTAINING NICKEL

#93
20250066876
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FROM RAW MATERIALS CONTAINING NICKEL

#94
20250066875
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL

#95
20250059625
2025-02-20

METHOD FOR EXTRACTING LITHIUM FROM CLAY AND OTHER MATERIALS IN A CHLORIDE SOLUTION USING INDIVIDUALIZED PRETREATMENTS

#96
20250046900
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#97
20250043386
2025-02-06

METHOD FOR RECOVERING METALS FROM LITHIUM ION BATTERY WASTE

#98
20250030074
2025-01-23

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

#99
20250007025
2025-01-02

RECOVERY METHOD OF VALUABLE METAL IN POSITIVE ELECTRODE SHEET OF LITHIUM BATTERY

#100
20240417826
2024-12-19

A GREEN PROCESS FOR THE EXTRACTION OF LANTHANIDE ELEMENTS

#101
20240413419
2024-12-12

METHOD OF RECOVERING TRANSITION METAL FROM LITHIUM SECONDARY BATTERY

#102
20240409425
2024-12-12

PROCESS AND SYSTEM FOR LITHIUM PRODUCTION

#103
20240405304
2024-12-05

Process for Recovery of Battery Cathode Metal Oxides And Copper From The Wastes

#104
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

#105
20240376568
2024-11-14

EFFICIENT RARE EARTH AND CRITICAL MATERIAL RECOVERY FROM RARE EARTH MAGNETS

#106
20240376567
2024-11-14

PRECIOUS METALS RECOVERY

#107
20240376566
2024-11-14

HYDROMETALLURGICAL TREATMENT OF ORES OR CONCENTRATES FOR REMOVAL OF PREG-ROBBING ORGANIC CARBON MATERIAL

#108
20240376565
2024-11-14

METHOD FOR REMOVING CHLORINE IN ZINC HYDROMETALLURGY

#109
20240372169
2024-11-07

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

#110
20240368733
2024-11-07

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS

#111
20240368730
2024-11-07

METHOD FOR LEACHING COPPER USING PRESSURE LEACHING TECHNIQUE

#112
20240368727
2024-11-07

METHOD OF SELECTIVE PRECIPITATION OF METALS USING AMIDE COMPOUNDS

#113
20240360536
2024-10-31

METHOD FOR RECOVERING MAGNESIUM BY USING SEDIMENT AND SULFURIC ACID GENERATED IN ELECTROLYTIC CHLORINE GENERATION SYSTEM USING SEAWATER AND BRACKISH WATER

#114
20240356099
2024-10-24

METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE

#115
20240356097
2024-10-24

CRYSTALLIZATION PROCESS FOR THE SEPARATION OF METALS

#116
20240352553
2024-10-24

METHOD OF LEACHING METAL-CONTAINING MATERIALS

#117
20240347802
2024-10-17

METHOD FOR RECOVERING METAL FROM ELECTRODE ACTIVE MATERIALS

#118
20240344176
2024-10-17

RECOVERY OF VANADIUM FROM LEACH RESIDUES

#119
20240344170
2024-10-17

METHODS FOR RECOVERING CRITICAL ELEMENTS FROM LEACH SOLUTIONS

#120
20240343969
2024-10-17

METHOD FOR RECYCLING AN LED

#121
20240318282
2024-09-26

METHOD FOR PROCESSING ALLOY

#122
20240318277
2024-09-26

A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES

#123
20240313285
2024-09-19

Recovery of Metals from Materials Containing Lithium and Iron

#124
20240309485
2024-09-19

PROCESS

#125
20240308869
2024-09-19

METHOD FOR PREPARING VANADIUM BATTERY ELECTROLYTE BY DISSOLVING WASTE VANADIUM CATALYST WITH SULFURIC ACID

#126
20240294553
2024-09-05

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

#127
20240287643
2024-08-29

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

#128
20240286912
2024-08-29

METHOD FOR PRODUCING LITHIUM SULFATE AND TRANSITION METAL SULFATE

#129
20240283044
2024-08-22

Process for Recycling Battery Materials By Way of Hydrometallurgical Treatment

#130
20240274912
2024-08-15

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#131
20240271247
2024-08-15

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

#132
20240270590
2024-08-15

Method and system for recovering metals from black mass

#133
20240262853
2024-08-08

SELECTIVE SEPARATION OF HEXACHLOROPLATINATE(IV) DIANIONS BASED ON EXO-BINDING WITH CUCURBIT[6]URIL

#134
20240247337
2024-07-25

PROCESS FOR CO-PRODUCING LITHIUM, ALUMINUM, AND SILICON-OXYGEN (Si-O) MATERIALS

#135
20240247336
2024-07-25

HIGH-EFFICIENCY GOLD RECOVERY BY ADDITIVE-INDUCED SUPRAMOLECULAR POLYMERIZATION OF CYCLODEXTRIN

#136
20240218480
2024-07-04

RECOVERY OF METALS FROM METALLIC OR METAL-BEARING MATERIALS

#137
20240209474
2024-06-27

METHOD FOR RECOVERING LITHIUM FROM A WASTE LITHIUM SECONDARY BATTERY USING A PYROMETALLUGICAL PROCESS

#138
20240204277
2024-06-20

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#139
20240194960
2024-06-13

GREEN METHOD FOR RECOVERING LITHIUM AND IRON FROM LITHIUM BATTERIES

#140
20240191323
2024-06-13

METHOD FOR RECYCLING SILVER FROM WASTE IC CHIPS USING SOLUBLE STARCH

#141
20240183006
2024-06-06

IONIC LIQUID BASED PROCESSES FOR EXTRACTION OF METALS

#142
20240183005
2024-06-06

Method for dissolving a positive electrode material

#143
20240183003
2024-06-06

IN-SITU GENERATION OF THIOSULPHATE LIXIVIANT SYSTEMS AND METHODS FOR PRECIOUS METAL LEACHING AND RECOVERY

#144
20240182317
2024-06-06

Lithium Recovery From Spodumene

#145
20240170752
2024-05-23

Method For Recovering Valuable Metallic Components From A Solution Containing The Same

#146
20240170749
2024-05-23

LITHIUM RECOVERY FROM LITHIUM-ION BATTERIES

#147
20240167119
2024-05-23

TREATMENT OF HYDROUS ORE MATERIALS

#148
20240158887
2024-05-16

METHOD FOR EFFICIENTLY REMOVING FLUORINE FROM SPENT LITHIUM BATTERY

#149
20240150867
2024-05-09

METHODS FOR LEACHING AND RECOVERY OF PLATINUM GROUP METALS IN ORGANIC SOLVENTS

#150
20240145805
2024-05-02

A METHOD FOR TARGET METAL REMOVAL VIA SULPHIDE PRECIPITATION

#151
20240124953
2024-04-18

METHOD FOR RECOVERING NICKEL FROM IRON-ALUMINUM SLAG OBTAINED BY BATTERY POWDER LEACHING

#152
20240117462
2024-04-11

Chemical Processing Of Sewage Sludge Ash

#153
20240117460
2024-04-11

HYDROMETALLURGICAL RECOVERY METHOD FOR NICKEL SULFATE

#154
20240102127
2024-03-28

PROCESS FOR CATHODE ACTIVE MATERIAL PRECURSOR PREPARATION

#155
20240092669
2024-03-21

Ozone treatment of mining effluents.

#156
20240084421
2024-03-14

Method for extracting nickel from high matte nickel leaching residue

#157
20240047776
2024-02-08

Method for Processing Lithium Ion Battery Waste

#158
20240043963
2024-02-08

APPARATUS AND METHOD FOR METAL EXTRACTION

#159
20240035119
2024-02-01

RECOVERING URANIUM FROM A URANYL NITRATE SOLUTION

#160
20240026495
2024-01-25

Lithium extraction enhanced by an alternate phase

#161
20240026493
2024-01-25

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#162
20240026492
2024-01-25

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#163
20240018624
2024-01-18

METHOD FOR SELECTIVE EXTRACTION OF GOLD BY NIACIN

#164
20240011123
2024-01-11

METHODS FOR REGENERATING LI AND NI FROM A SOLUTION

#165
20230416874
2023-12-28

Processes for preparing lithium carbonate

#166
20230416872
2023-12-28

PRECIOUS METALS RECOVERY

#167
20230411720
2023-12-21

Method of Metal Ion Recovery from Batteries

#168
20230407436
2023-12-21

CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES

#169
20230399717
2023-12-14

PROCESS

#170
20230392233
2023-12-07

TARGET ION RECOVERY FROM EARTH MATERIAL

#171
20230382775
2023-11-30

METHOD FOR EXTRACTING SALTS AND TEMPERATURE-REGENERATED EXTRACTING COMPOSITION

#172
20230381687
2023-11-30

Devices for efficient sorbent utilization in lithium extraction

#173
20230340639
2023-10-26

RECOVERY OF RARE EARTH ELEMENTS FROM ACIDIC SOLUTIONS

#174
20230340638
2023-10-26

SYSTEM AND METHOD FOR EXTRACTION OF ELEMENTS FROM AN AQUEOUS SOLUTION

#175
20230331562
2023-10-19

SEPARATION OF ELEMENTS USING POLYOXOMETALATES AND CATIONS

#176
20230323509
2023-10-12

Weak Acid Lixiviants for Recovery of Alkaline Earth Metals

#177
20230313337
2023-10-05

METHOD FOR SEPARATING COBALT AND NICKEL

#178
20230279522
2023-09-07

Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap

#179
20230257850
2023-08-17

Novel Systems And Methods Of Reductive-Acid Leaching Of Spent Battery Electrodes To Recover Valuable Materials

#180
20230243017
2023-08-03

Method for purifying nickel-cobalt-manganese leaching solution

#181
20230231171
2023-07-20

METHODS AND SYSTEMS FOR DETERMINING AVERAGE OXIDATION STATE OF REDOX FLOW BATTERY SYSTEMS

#182
20230227938
2023-07-20

Method for Manufacturing a High-purity Nickel/Cobalt Mixed solution For a Cathode Material by a Two Circuit Process

#183
20230227934
2023-07-20

SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS

#184
20230220516
2023-07-13

PROCESS FOR RECOVERING TITANIUM DIOXIDE

#185
20230193418
2023-06-22

SULPHIDE OXIDATION IN LEACHING OF MINERALS

#186
20230192503
2023-06-22

Systems and methods for recovering lithium from brines

#187
20230167525
2023-06-01

METHODS FOR RECOVERING A PRECIOUS METAL FROM REFRACTORY ORES BY NEAR-AMBIENT ALKALINE PRE-OXIDATION AND COMPLEXATION

#188
20230147263
2023-05-11

SULPHIDE OXIDATION IN LEACHING OF MINERALS

#189
20230134310
2023-05-04

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#190
20230133292
2023-05-04

HIGH-EFFICIENCY GOLD RECOVERY WITH CUCURBIT[6]URIL

#191
20230124458
2023-04-20

Process of Rare Earth Recovery from Ores Containing Bastnaesite

#192
20230115288
2023-04-13

PROCESSING FOR THE EXTRACTION OF RARE EARTH ELEMENTS

#193
20230097464
2023-03-30

METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING SOLUTION

#194
20230094835
2023-03-30

Process for the recovery of zinc from zinc-bearing raw materials

#195
20230077051
2023-03-09

MULTI-STAGED HIGH TEMPERATURE PRESSURE OXIDATION PROCESS FOR DOUBLE REFRACTORY PRECIOUS METAL-CONTAINING MATERIALS

#196
20230071697
2023-03-09

METHOD FOR TREATING ALLOY

#197
20230042034
2023-02-09

PROCESS FOR THE RECOVERY OF CATHODE MATERIALS IN THE RECYCLING OF BATTERIES

#198
20230023272
2023-01-26

A METHOD OF RECOVERING IRIDIUM

#199
20230010128
2023-01-12

METHOD OF COLLECTING RARE EARTH ELEMENTS

#200
20220416324
2022-12-29

SYSTEM AND METHOD FOR RECOVERING CONSTITUENTS FROM BATTERIES

#201
20220396852
2022-12-15

METHOD FOR SEPARATING LITHIUM

#202
20220371916
2022-11-24

METHOD FOR TREATING WASTEWATER FOR THE RECOVERY OF METALS CONTAINED THEREIN, AND APPARATUS FOR SUCH A METHOD

#203
20220364203
2022-11-17

METHOD FOR RECOVERING LITHIUM FROM BRINE

#204
20220364201
2022-11-17

METHODS FOR SELECTIVE LEACHING AND EXTRACTION OF PRECIOUS METALS IN ORGANIC SOLVENTS

#205
20220340998
2022-10-27

Methods for simultaneous leaching and extraction of precious metals

#206
20220315437
2022-10-06

SYSTEM FOR AND METHOD OF PROCESSING WASTE LITHIUM-ION BATTERY

#207
20220267877
2022-08-25

Co-processing of copper sulphide concentrate with nickel laterite ore

#208
20220259695
2022-08-18

Systems and methods for monitoring metal recovery systems

#209
20220259082
2022-08-18

Agents for use in hydrometallurgical process streams

#210
20220212940
2022-07-07

SYNTHESIS OF ADSORPTION MATERIALS

#211
20220195559
2022-06-23

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

#212
20220169521
2022-06-02

PROCESSING OF LITHIUM CONTAINING MATERIAL INCLUDING HCL SPARGE

#213
20220162724
2022-05-26

Recovery of PGMs and chromite from mixed PGM/CR ores

#214
20220154309
2022-05-19

PROCESSES FOR TREATING SCRAP METAL MATERIAL

#215
20220149452
2022-05-12

Process for the recovery of cathode materials in the recycling of batteries by removing aluminum and iron

#216
20220112576
2022-04-14

Process and system for recovering rare earth elements

#217
20220098049
2022-03-31

Recovery of lithium hydroxide

#218
20220074018
2022-03-10

Process for the recovery of metals from polymetallic nodules

#219
20220069328
2022-03-03

Redox flow battery systems and methods of manufacture and operation and reduction of metallic impurities

#220
20220064759
2022-03-03

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

#221
20210395859
2021-12-23

PROCESSES FOR EXTRACTING METALS FROM LITHIUM-ION BATTERIES

#222
20210388466
2021-12-16

Process for purifying and concentrating rare earths from phosphogypsum

#223
20210381081
2021-12-09

Alkaline solution method for recovering rare earth elements

#224
20210332458
2021-10-28

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#225
20210292927
2021-09-23

METHOD FOR REFINING BISMUTH

#226
20210284547
2021-09-16

METHOD FOR RECOVERING SCANDIUM

#227
20210284546
2021-09-16

METHOD FOR PRODUCING SCANDIUM COMPOUND, AND SCANDIUM COMPOUND

#228
20210254192
2021-08-19

Process for extracting cobalt from a solution comprising, in addition to cobalt, one or more other metal elements

#229
20210246526
2021-08-12

Solid-state catalysts for low or moderate temperature leach applications and methods thereof

#230
20210238708
2021-08-05

Systems and methods for monitoring metal recovery systems

#231
20210222268
2021-07-22

METHOD AND SYSTEM FOR TREATING MOLYBDENUM-CONTAINING SEWAGE IN MOLYBDENUM ORE AREA

#232
20210214254
2021-07-15

Method for extracting salts and temperature-regenerated extracting composition

#233
20210198768
2021-07-01

Selective Extraction of Metals From Complex Inorganic Sources

#234
20210180155
2021-06-17

Caustic conversion process

#235
20210180154
2021-06-17

Method for separating copper, and nickel and cobalt

#236
20210172041
2021-06-10

BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES

#237
20210147960
2021-05-20

Process for the recovery of lithium and transition metal using heat

#238
20210147247
2021-05-20

Method of extracting lithium compound(s)

#239
20210142926
2021-05-13

Methods for synthesizing silver nanoplates and noble metal coated silver nanoplates and their use in transparent films for control of light hue

#240
20210140012
2021-05-13

Process for the recovery of rare earths

#241
20210079497
2021-03-18

Selective lithium extraction from brines

#242
20210071283
2021-03-11

Opportunities for recovery augmentation process as applied to molybdenum production

#243
20210070624
2021-03-11

METHOD FOR CONTROLLING THE CONCENTRATION OF IMPURITIES IN BAYER LIQUORS

#244
20210036387
2021-02-04

Chemical dismantling of permanent magnet material and battery material

#245
20210032119
2021-02-04

Method for producing high-purity scandium oxide

#246
20210017038
2021-01-21

Process for obtaining vanadium oxide from a gasifier slag field

#247
20200399738
2020-12-24

Method for clean metallurgy of molybdenum

#248
20200377968
2020-12-03

COPPER PRECIPITATION METHOD BY IRON MODIFICATION AND COPPER PRECIPITATION AND PREPARATION APPARATUS USED THEREFOR

#249
20200373601
2020-11-26

Redox flow battery systems and methods of manufacture and operation and reduction of metallic impurities

#250
20200373600
2020-11-26

Fe—Cr redox flow battery systems and methods of manufacture and operation

#251
20200373595
2020-11-26

Methods and systems for determining average oxidation state of redox flow battery systems using the open circuit voltage

#252
20200373594
2020-11-26

Methods and systems for determining average oxidation state of redox flow battery systems

#253
20200347481
2020-11-05

Chemical process for the recovery of alkaline and zinc-carbon battery components

#254
20200308667
2020-10-01

Method for recovering valuable elements from precombustion coal-based materials

#255
20200283871
2020-09-10

Method of separating mercury from an ore leachate

#256
20200263273
2020-08-20

Method and device for removing iron in iron-containing solution in hydrometallurgy

#257
20200248283
2020-08-06

Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap

#258
20200246875
2020-08-06

Method for preparing vanadium and vanadium alloy powder from vanadium-containing materials through shortened process

#259
20200232066
2020-07-23

METHOD FOR SEPARATING COPPER, NICKEL, AND COBALT

#260
20200216327
2020-07-09

Method for separating copper from nickel and cobalt

#261
20200166441
2020-05-28

Sensor system

#262
20200141014
2020-05-07

METHOD FOR THE OXIDATION AND HYDROTHERMAL DISSOCIATION OF METAL CHLORIDES FOR THE SEPARATION OF METALS AND HYDROCHLORIC ACID

#263
20200109462
2020-04-09

METHOD FOR THE PRODUCTION OF COBALT AND ASSOCIATED OXIDES FROM VARIOUS FEED MATERIALS

#264
20200063236
2020-02-27

System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials

#265
20200048737
2020-02-13

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

#266
20200044295
2020-02-06

Lithium ion battery scrap treatment method

#267
20200039838
2020-02-06

SYSTEM FOR EXTRACTING VANADIUM FROM LEACHING SOLUTION CONTAINING VANADIUM CHROMIUM SILICON AND FOR PREPARING VANADIUM PENTOXIDE AND PROCESSING METHOD THEREFOR

#268
20200017366
2020-01-16

System and method for processing of minerals containing the lanthanide series and production of rare earth oxides

#269
20190382870
2019-12-19

HYDROMETALLURGICAL PROCESS FOR NICKEL OXIDE ORE

#270
20190352742
2019-11-21

Reactor systems for recovering metals, and related methods

#271
20190345582
2019-11-14

Processes for preparing lithium carbonate

#272
20190316223
2019-10-17

Process of extraction of a platinum group metal or gold from organic compositions with surfactants

#273
20190309391
2019-10-10

Methods for controlling iron via magnetite formation in hydrometallurgical processes

#274
20190309389
2019-10-10

Process for separation of antimony and arsenic from a leach solution

#275
20190292628
2019-09-26

Process for recovering gold from ores

#276
20190284661
2019-09-19

Treatment method for resource recycling of hexavalent chromium-containing residues

#277
20190284659
2019-09-19

Precious metals recovery

#278
20190233302
2019-08-01

Method of recovering iron from zinc sulphate solution

#279
20190226055
2019-07-25

Separation of rare earth elements from other elements

#280
20190185964
2019-06-20

METHOD FOR PURIFYING SCANDIUM AND SCANDIUM EXTRACTANT

#281
20190185963
2019-06-20

Lithium recovery from phosphate minerals

#282
20190169038
2019-06-06

Process For The Conversion Of Lithium Phosphate Into A Low Phosphate Lithium Solution Suitable As Feedstock For The Production Of Saleable Lithium Products And For The Recovery Of Phosphorous For Re-Use In The Production Of Lithium Phosphate

#283
20190161826
2019-05-30

Method and apparatus for Ga-recovery

#284
20190161357
2019-05-30

Method for preparing lithium carbonate from lithium iron phosphate battery scraps and lithium carbonate thereof

#285
20190153563
2019-05-23

Method for recovering lithium from low-context extraction tailwater and recycling extraction tailwater

#286
20190153562
2019-05-23

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

#287
20190144968
2019-05-16

Method for removing radioactive element thorium in rare earth mineral

#288
20190136344
2019-05-09

Low-cost selective precipitation circuit for recovery of rare earth elements from acid leachate of coal waste

#289
20190119781
2019-04-25

Systems and methods for monitoring metal recovery systems

#290
20190115601
2019-04-18

Method for Increasing Recycled Manganese Content

#291
20190106768
2019-04-11

Processing method for lithium ion battery scrap

#292
20190093194
2019-03-28

Process for the separation of vanadium

#293
20190085428
2019-03-21

Methods of purifying precious metal

#294
20190084839
2019-03-21

Processing method for lithium ion battery scrap

#295
20190078176
2019-03-14

Processes for the recovery of uranium from wet-process phosphoric acid using dual or single cycle continuous ion exchange approaches

#296
20190066863
2019-02-28

Methods for synthesizing silver nanoplates and noble metal coated silver nanoplates and their use in transparent films for control of light hue

#297
20190048438
2019-02-14

Process for extracting and recovering lithium values from lithium bearing materials

#298
20190048437
2019-02-14

Recovery of cesium from epithermal mineral deposits

#299
20190040494
2019-02-07

Bauxite residue recycling

#300
20190040492
2019-02-07

Method for recovering scandium