ClassID:

119431

C22B23/005 - CPC Classification

Classification description:

Obtaining nickel or cobalt Preliminary treatment of ores, e.g. by roasting or by the Krupp-Renn process

Recent Application in this class:
#1
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

#2
20260035766
2026-02-05

PROCESS AND SYSTEM FOR RECOVERING COPPER AND COBALT FROM SULFIDIC MATERIALS

#3
20260028695
2026-01-29

EXTRACTION AND RECOVERY OF METALS UNDER AMBIENT CONDITIONS

#4
20260002232
2026-01-01

METHOD FOR REMOVING ALUMINUM AND METHOD FOR RECOVERING METALS

#5
20250276290
2025-09-04

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

#6
20250196207
2025-06-19

METHOD FOR RECYCLING LITHIUM BATTERIES

#7
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

#8
20250149667
2025-05-08

METHOD OF TARGETED RECYCLING OF WASTE BATTERIES

#9
20250125433
2025-04-17

METHOD FOR RECOVERING VALUABLE METALS

#10
20250070290
2025-02-27

IMPURITY CONTROL IN LITHIUM-ION BATTERY RECYCLING

#11
20250066871
2025-02-27

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

#12
20240308843
2024-09-19

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#13
20240274912
2024-08-15

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#14
20240240281
2024-07-18

METHOD FOR PRODUCING VALUABLE METAL

#15
20240213562
2024-06-27

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#16
20240035116
2024-02-01

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

#17
20240035115
2024-02-01

METHOD FOR PRODUCING FERRONICKEL AND REMOVING CHROMIUM FROM NICKEL LATERITE ORE

#18
20240006677
2024-01-04

RECOVERY OF METALS FROM LITHIUM-ION BATTERIES

#19
20230407436
2023-12-21

CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES

#20
20230313337
2023-10-05

METHOD FOR SEPARATING COBALT AND NICKEL

#21
20230271827
2023-08-31

Systems and methods for generating hydrogen and magnetite from rock

#22
20230253641
2023-08-10

PROCESSING THERMALLY PRETREATED AND UNTREATED BATTERIES AND THEIR PRODUCTION REJECTS

#23
20230227326
2023-07-20

Method for producing battery-grade nickel sulfate by using laterite nickel ore

#24
20230212713
2023-07-06

Method for recovering valuable metal

#25
20230104953
2023-04-06

METHOD FOR RECOVERING VALUABLE METALS FROM WASTE BATTERY

#26
20230102312
2023-03-30

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#27
20220154309
2022-05-19

PROCESSES FOR TREATING SCRAP METAL MATERIAL

#28
20210310089
2021-10-07

PROCESS AND SYSTEM FOR EXTRACTION OF IRON OXIDE FROM ORE

#29
20210262060
2021-08-26

METHOD FOR SEPARATING COPPER FROM NICKEL AND COBALT

#30
20190390300
2019-12-26

Processing of laterite ores

#31
20190177864
2019-06-13

SYSTEMS AND METHODS FOR METAL RECOVERY

#32
20190112687
2019-04-18

Oxygen injection in fluid bed ore concentrate roasting

#33
20190024211
2019-01-24

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

#34
20190017143
2019-01-17

PROCESS AND FACILITY FOR THERMAL TREATMENT OF A SULFUR-CONTAINING ORE

#35
20180298467
2018-10-18

Treatment of complex sulfide concentrate

#36
20180291478
2018-10-11

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

#37
20180280991
2018-10-04

Gravity separation device

#38
20180037972
2018-02-08

Wet smelting method for nickel oxide ore

#39
20180037971
2018-02-08

Ore slurry pre-treatment method and ore slurry manufacturing method

#40
20170306444
2017-10-26

Method for smelting nickel oxide ore

#41
20170204496
2017-07-20

Method for smelting nickel oxide ore

#42
20170198372
2017-07-13

Method for smelting nickel oxide ore and method for charging pellets

#43
20170152584
2017-06-01

Method for producing pellet and method for smelting nickel oxide ore

#44
20160355907
2016-12-08

Method for crushing hard tungsten carbide scraps

#45
20160310956
2016-10-27

Process for recovering value metals from ore

#46
20160273071
2016-09-22

Hydrometallurgical process for nickel oxide ore

#47
20160230296
2016-08-11

Systems and methods for copper recovery via roasting and leaching

#48
20150284820
2015-10-08

Hydrometallurgical process for nickel oxide ore

#49
20150014225
2015-01-15

Method for recovering chromite, and method for wet smelting of nickel oxide ore

#50
20140151472
2014-06-05

Ore slurry production method and metal refining method

#51
20140020510
2014-01-23

Recovery of base metals from sulphide ores and concentrates

#52
20130287621
2013-10-31

Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable material

#53
20130269485
2013-10-17

Method of producing ore slurry

#54
20130156661
2013-06-20

Systems and methods for metal recovery

#55
20130153436
2013-06-20

Systems and methods for metal recovery

#56
20120244051
2012-09-27

Method for leaching cobalt from oxidised cobalt ores

#57
20120204680
2012-08-16

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

#58
20120174713
2012-07-12

Method of Agglomeration

#59
20110272508
2011-11-10

Process for Separating Limonite and Saprolite

#60
20110150729
2011-06-23

Process for Heap Leaching of Nickeliferous Oxidic Ores

#61
20110142736
2011-06-16

Process of recovery of base metals from oxide ores

#62
20110116996
2011-05-19

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

#63
20110058997
2011-03-10

Process for chlorinating resources containing recoverable metals

#64
20110056333
2011-03-10

Process for atmospheric leaching of laterite ores using hypersaline leach solution

#65
20110052481
2011-03-03

METHOD OF TREATING METALLIFERROUS MATERIALS

#66
20110039477
2011-02-17

Processing nickel bearing sulphides

#67
20100296988
2010-11-25

Selectively leaching cobalt from lateritic ores

#68
20100282024
2010-11-11

Limonite and Saprolite Heap Leach Process

#69
20100196190
2010-08-05

Process for recovery of nickel and cobalt from laterite ores using ion exchange resin

#70
20100065478
2010-03-18

Method for nickel concentration processing of saprolite ore

#71
20100011907
2010-01-21

Extraction of metals from sulphide minerals

#72
20090267275
2009-10-29

Method and apparatus for separating metal values

#73
20090241731
2009-10-01

System and method for extracting base metal values from oxide ores

#74
20090126531
2009-05-21

Method of roasting material containing at least one of V, Mo and Ni and rotary kiln for roasting the same

#75
20080308468
2008-12-18

Ore Beneficiation Flotation Processes

#76
20080138263
2008-06-12

Process for Heap Leaching of Nickeliferous Oxidic Ores

#77
20060263282
2006-11-23

Process for nickel and cobalt extraction from laterite ores

#78
20060096415
2006-05-11

Microwave treatment of ores

#79
20050092657
2005-05-05

Method for separating metal values by exposing to microwave/millimeter wave energy

#80
15862620
2020-12-08

Process and system for extraction of iron oxide from ore