ClassID:

119440

C22B23/0415 - CPC Classification

Classification description:

Obtaining nickel or cobalt by wet processes; Leaching processes with acids or salt solutions except ammonium salts solutions

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
20250367680
2025-12-04

SEPARATION AND RECYCLING OF LITHIUM-ION BATTERY METALS VIA A MAGNETIC FIELD

#4
20250343291
2025-11-06

METHODS OF RECOVERING ACTIVE MATERIALS FROM RARE EARTH-CONTAINING MATERIALS, AND RELATED APPARATUSES

#5
20250303422
2025-10-02

PROCESS, APPARATUS, AND SYSTEM FOR RECOVERING MATERIALS FROM BATTERIES

#6
20250286160
2025-09-11

ALLOY PROCESSING METHOD

#7
20250266180
2025-08-21

Methods for Recycling Metals from the Nuclear Industry

#8
20250219181
2025-07-03

SELECTIVE RECOVERY OF LITHIUM FROM TERNARY CATHODE ACTIVE MATERIAL OF SPENT LITHIUM ION BATTERIES

#9
20250170496
2025-05-29

METHOD FOR GREEN AND LOW-COST EXTRACTION OF NICKEL-COBALT FROM LATERITE NICKEL ORE

#10
20250163539
2025-05-22

SYSTEM AND METHOD FOR REGULATING ALUMINUM PRECIPITATION DURING HIGH-PRESSURE ACID LEACHING OF LATERITE NICKEL ORE

#11
20250146101
2025-05-08

SELECTIVE SOLUBILIZATION OF GANGUE FROM NICKEL SULFIDES USING BIOSOLVENTS

#12
20250146100
2025-05-08

SELECTIVE SOLUBILIZATION OF GANGUE FROM NICKEL SULFIDES USING ORGANIC ACID SOLUTIONS

#13
20250115977
2025-04-10

METHOD FOR DYNAMICALLY CONTROLLING HIGH-PRESSURE LEACHING REACTION CONDITION OF LATERITE NICKEL ORE

#14
20250109454
2025-04-03

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

#15
20250066871
2025-02-27

METHOD FOR PREPARING NICKEL SULFATE AQUEOUS SOLUTION FROM NICKEL-CONTAINING RAW MATERIAL

#16
20250062432
2025-02-20

RECYCLING METHOD FOR WASTE LITHIUM ION SECONDARY BATTERIES AND ELECTRODE RAW MATERIALS OBTAINED THEREFROM

#17
20250046900
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#18
20250046899
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#19
20250038287
2025-01-30

METHOD FOR REMOVING IMPURITY AND RECOVERING HIGH-CONCENTRATION LITHIUM AQUEOUS SOLUTION FROM WASTE BATTERY MATERIAL AND WASTE CATHODE ACTIVE MATERIALS

#20
20250030075
2025-01-23

METHOD FOR RECOVERING VALUABLE METAL FROM WASTE BATTERY MATERIAL AND WASTE CATHODE ACTIVE MATERIALS

#21
20240410033
2024-12-12

METHOD FOR RECOVERING VALUABLE METALS FROM WASTE BATTERIES USING SYNERGISTIC EFFECTS

#22
20240409432
2024-12-12

PROCESS AND METHOD FOR PRODUCING CRYSTALLIZED METAL SULFATES

#23
20240405304
2024-12-05

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

#24
20240396110
2024-11-28

METHOD FOR RECYCLING CATHODE MATERIALS USING A DUAL FUNCTION SOLUTION

#25
20240344168
2024-10-17

METAL RECOVERY APPARATUS AND METAL RECOVERY METHOD

#26
20240318277
2024-09-26

A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES

#27
20240308843
2024-09-19

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#28
20240287646
2024-08-29

A RECYCLING METHOD FOR BATTERY AND CATALYST MATERIALS

#29
20240266627
2024-08-08

METHOD FOR TREATING ALLOY

#30
20240263273
2024-08-08

PRECIPITATION OF METALS

#31
20240213562
2024-06-27

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#32
20240055680
2024-02-15

METHODS OF RECOVERING LITHIUM FROM A LITHIUM-CONTAINING MATERIAL, AND RELATED SYSTEMS

#33
20240043962
2024-02-08

Polymetallic nodule mineral processing

#34
20240035116
2024-02-01

Method for extracting valuable metal from low-matte nickel converter slag

#35
20240030510
2024-01-25

METHOD FOR REDUCING WASTE BY RECOVERING TRANSITION METALS FROM LITHIUM SECONDARY BATTERY

#36
20240006677
2024-01-04

RECOVERY OF METALS FROM LITHIUM-ION BATTERIES

#37
20240002972
2024-01-04

LEACHING OF PRECIOUS AND CHALCOPHILE METALS

#38
20230411723
2023-12-21

PROCESSES FOR RECYCLING SPENT CATALYSTS, RECYCLING RECHARGEABLE BATTERIES, AND INTEGRATED PROCESSES THEREOF

#39
20230344030
2023-10-26

METHOD FOR REMOVING ELEMENTAL COPPER FROM TERNARY BATTERY WASTE AND APPLICATION THEREOF

#40
20230332267
2023-10-19

RECYCLING METHOD FOR MIXED WASTE MATERIAL OF LITHIUM NICKEL MANGANESE COBALT OXIDE AND LITHIUM IRON PHOSPHATE

#41
20230323507
2023-10-12

METHOD OF RECYCLING NICKEL FROM WASTE BATTERY MATERIAL

#42
20230304126
2023-09-28

A PROCESS FOR RECOVERING COBALT ION, NICKEL ION AND MANGANESE ION FROM METAL-CONTAINING RESIDUES

#43
20230271827
2023-08-31

Systems and methods for generating hydrogen and magnetite from rock

#44
20230268573
2023-08-24

SYSTEMS AND METHODS FOR RECOVERING METALS FROM RECYCLED ELECTRICAL ENERGY STORAGE DEVICES

#45
20230243016
2023-08-03

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

#46
20230193422
2023-06-22

METHOD FOR PRODUCING MIXED METAL SOLUTION AND METHOD FOR PRODUCING MIXED METAL SALT

#47
20230102312
2023-03-30

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#48
20230042034
2023-02-09

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

#49
20220223933
2022-07-14

Process for the recovery of metals from a Li-containing starting material

#50
20220223932
2022-07-14

METHODS OF RECOVERING ACTIVE MATERIALS FROM RECHARGEABLE BATTERIES, AND RELATED APPARATUSES

#51
20220216534
2022-07-07

Process for the preparation of precursor compounds for lithium battery cathodes

#52
20220205064
2022-06-30

RECOVERING MIXED-METAL IONS FROM AQUEOUS SOLUTIONS

#53
20220152626
2022-05-19

PROCESS, APPARATUS, AND SYSTEM FOR RECOVERING MATERIALS FROM BATTERIES

#54
20220149452
2022-05-12

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

#55
20220136084
2022-05-05

BATTERY RECYCLING BY TREATMENT OF THE LEACH WITH METALLIC NICKEL

#56
20220010407
2022-01-13

BATTERY RECYCLING BY HYDROGEN GAS INJECTION IN LEACH

#57
20220009793
2022-01-13

Process and method for producing crystallized metal sulfates

#58
20210317547
2021-10-14

Process for recovering metals from recycled rechargeable batteries

#59
20210115532
2021-04-22

METHOD FOR RECOVERING ACTIVE METALS FROM LITHIUM SECONDARY BATTERY

#60
20210078013
2021-03-18

Process, apparatus, and system for recovering materials from batteries

#61
20210078012
2021-03-18

Process, apparatus, and system for recovering materials from batteries

#62
20210024368
2021-01-28

Method for inhibiting extractant degradation by diluent and extractant input method

#63
20200331003
2020-10-22

Process, apparatus, and system for recovering materials from batteries

#64
20200331002
2020-10-22

Process, apparatus, and system for recovering materials from batteries

#65
20200277683
2020-09-03

Methods for recovering copper, cobalt, indium and nickel with amine containing lixiviant

#66
20200109462
2020-04-09

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

#67
20200078796
2020-03-12

Process, apparatus, and system for recovering materials from batteries

#68
20200044295
2020-02-06

Lithium ion battery scrap treatment method

#69
20190309391
2019-10-10

Methods for controlling iron via magnetite formation in hydrometallurgical processes

#70
20190024211
2019-01-24

Treatment of non-sulfidic nickeliferous resources and recovery of metal values therefrom

#71
20180309174
2018-10-25

Method for acid dissolution of LiCoOcontained in spent lithium-ion batteries

#72
20180291478
2018-10-11

Mineral ore slurry pretreatment method, and method for manufacturing mineral ore slurry

#73
20180283568
2018-10-04

CONE VALVE

#74
20180257143
2018-09-13

METHOD FOR MANUFACTURING NICKEL POWDER, AND METHOD FOR OPERATING REACTION FACILITY

#75
20180037971
2018-02-08

Ore slurry pre-treatment method and ore slurry manufacturing method

#76
20170341147
2017-11-30

Solid PCD with transition layers to accelerate full leaching of catalyst

#77
20170314690
2017-11-02

Cone valve

#78
20160362304
2016-12-15

Method for producing hematite for ironmaking

#79
20160355907
2016-12-08

Method for crushing hard tungsten carbide scraps

#80
20160355906
2016-12-08

Method of ore processing using mixture including acidic leach solution and oxidizing agent

#81
20160244860
2016-08-25

ALIPHATIC-AROMATIC HETEROCYCLIC COMPOUNDS AND USES THEREOF IN METAL EXTRACTANT COMPOSITIONS

#82
20150329936
2015-11-19

Method for recovery of metals from sulfide ores

#83
20150307955
2015-10-29

Method and apparatus for acid granulation of matte

#84
20150298988
2015-10-22

IONIC NANOCRYSTALLINE MATERIALS WITH HIGH SURFACE CHARGE DENSITY AND COMPOSITES OF THE SAME

#85
20150284820
2015-10-08

Hydrometallurgical process for nickel oxide ore

#86
20150209864
2015-07-30

Method for synthesizing nanowires and nanofoam

#87
20150050201
2015-02-19

Method for producing hematite for ironmaking

#88
20150044112
2015-02-12

Method for operating flash vessel

#89
20140322106
2014-10-30

METHOD FOR THE TREATMENT OF ORE MATERIAL

#90
20140314639
2014-10-23

Method for recovering scandium from intermediate products formed in the hydrometallurgical processing of laterite ores

#91
20140023572
2014-01-23

Method of ore processing

#92
20130269484
2013-10-17

Valuable metal leaching method, and valuable metal collection method employing the leaching method

#93
20130266493
2013-10-10

Method for separating nickel from material with low nickel content

#94
20130192425
2013-08-01

Method for recovering valuable metals from lithium secondary battery wastes

#95
20120213681
2012-08-23

Direct purification of a nickel laterite leaching effluent

#96
20120204680
2012-08-16

System and Method for Recovery of Nickel Values From Nickel-Containing Ores

#97
20120186398
2012-07-26

Low acid leaching of nickel and cobalt from lean iron-containing nickel ores

#98
20110298270
2011-12-08

IN SITU ORE LEACHING USING FREEZE BARRIERS

#99
20110296951
2011-12-08

Process for controlled oxidation of a ferrous solution

#100
20110123418
2011-05-26

Process for forming high density sulfides

#101
20110116996
2011-05-19

PROCESS FOR NON-HEATING LEACHING NICKEL AND MAGNESIUM FROM LATERITE USING MECHANO-CHEMICAL EFFECT

#102
20110083533
2011-04-14

Saprolite neutralisation of heap leach process

#103
20100296988
2010-11-25

Selectively leaching cobalt from lateritic ores

#104
20100206135
2010-08-19

Recycling of solids in oxidative pressure leaching of metals using halide ions

#105
20100018351
2010-01-28

RECYCLING OF SOLIDS IN OXIDATIVE PRESSURE LEACHING OF METALS USING HALIDE IONS

#106
20090241733
2009-10-01

Process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the pH of the solution

#107
20090056502
2009-03-05

HYDROMETALLURGICAL PROCESS FOR RECOVERY OF NICKEL AND COBALT

#108
20090056501
2009-03-05

HYDROMETALLURGICAL PROCESS USING RESIN-NEUTRALIZED-SOLUTION OF A HEAP LEACHING EFFLUENT

#109
20090056500
2009-03-05

Resin-in-leach process to recover nickel and/or cobalt in ore leaching pulps

#110
20080050294
2008-02-28

Consecutive or simultaneous leaching of nickel and cobalt containing ores

#111
20060169104
2006-08-03

Recovering nickel

#112
20060024224
2006-02-02

Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching

#113
20050217422
2005-10-06

Method for refining concentrate containing precious metals

#114
17835852
2023-06-20

Processes for recycling spent catalysts, recycling rechargeable batteries, and integrated processes thereof