ClassID:

119441

C22B23/0423 - CPC Classification

Classification description:

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

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
20260062769
2026-03-05

METHOD OF LEACHING NICKEL FROM OXIDIZED ORE, METHOD OF MANUFACTURING NICKEL SULFATE, AND NICKEL-LEACHING AGENT

#3
20260062315
2026-03-05

METHOD OF LEACHING NICKEL FROM OXIDIZED ORE, METHOD OF MANUFACTURING NICKEL SULFATE, AND NICKEL-LEACHING AGENT

#4
20260043112
2026-02-12

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

#5
20250290214
2025-09-18

CYCLONE HIGH-SPEED ELECTROLYZER USING HIGH-SPEED TURBULENCE, METHOD FOR RECOVERING VALUABLE METALS USING THE SAME, AND VALUABLE METALS RECOVERED THEREFROM

#6
20250282633
2025-09-11

SEQUENTIAL HYDROMETALURGICAL RECOVERY OF METAL VALUES WITH SEQUESTERED CARBON

#7
20250276290
2025-09-04

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

#8
20250273760
2025-08-28

METHOD AND APPARATUS FOR RECYCLING LITHIUM-ION BATTERIES

#9
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

#10
20250115975
2025-04-10

METAL LEACHING PROCESS AND APPARATUS

#11
20240413421
2024-12-12

CHARGE MATERIAL FOR RECYCLED LITHIUM-ION BATTERIES

#12
20240336992
2024-10-10

SELECTIVE LEACHING

#13
20240279831
2024-08-22

METHOD AND ELECTROCHEMICAL SYSTEM FOR RECYCLING SPENT LITHIUM-ION BATTERY

#14
20240204279
2024-06-20

Method and apparatus for recycling lithium-ion batteries

#15
20240076548
2024-03-07

METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL LEACHING METHOD

#16
20240011123
2024-01-11

METHODS FOR REGENERATING LI AND NI FROM A SOLUTION

#17
20230332268
2023-10-19

METHOD FOR RECOVERING AND PURIFYING NICKEL FROM FERRONICKEL

#18
20230198040
2023-06-22

Method and apparatus for recycling lithium-ion batteries

#19
20230044374
2023-02-09

Method and apparatus for recycling lithium-ion batteries

#20
20220311068
2022-09-29

Charge material for recycled lithium-ion batteries

#21
20220235435
2022-07-28

Sealed cobalt leaching device, reagent for cobalt leaching, method using device, use of method

#22
20220131204
2022-04-28

Method and apparatus for recycling lithium-ion batteries

#23
20210391606
2021-12-16

Charge material for recycled lithium-ion batteries

#24
20210262060
2021-08-26

METHOD FOR SEPARATING COPPER FROM NICKEL AND COBALT

#25
20180016156
2018-01-18

PRODUCTION OF CRYSTALLIZED COBALT (II) CHLORIDE HEXAHYDRATE

#26
20170240994
2017-08-24

Nickel recovery process

#27
20170170532
2017-06-15

METHOD FOR RECYCLING VALUABLE METALS FROM SPENT BATTERIES

#28
20170159190
2017-06-08

Hydrometallurgical process to produce pure magnesium metal and various by-products

#29
20160355907
2016-12-08

Method for crushing hard tungsten carbide scraps

#30
20160265082
2016-09-15

PROCESSES FOR TREATING MAGNESIUM-CONTAINING MATERIALS

#31
20160145714
2016-05-26

Treatment process for extraction of precious, base and rare elements

#32
20160115563
2016-04-28

Method for recovering metals

#33
20150298988
2015-10-22

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

#34
20150023850
2015-01-22

Neutralization method and neutralization plant

#35
20140294702
2014-10-02

Recovery of nickel in leaching of laterite ores

#36
20130149219
2013-06-13

Separation of iron from value metals in leaching of laterite ores

#37
20130064742
2013-03-14

PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS

#38
20120308450
2012-12-06

Process of recovery of base metals from oxide ores

#39
20120103138
2012-05-03

Method of oxidative leaching of sulfide ores and/or concentrates

#40
20110142736
2011-06-16

Process of recovery of base metals from oxide ores

#41
20110056333
2011-03-10

Process for atmospheric leaching of laterite ores using hypersaline leach solution

#42
20100098606
2010-04-22

Process for the extraction of specific transition metals

#43
20090047198
2009-02-19

Process for the extraction of specific transition metals with gaseous HCL

#44
20090013829
2009-01-15

Process for the recovery of value metals from base metal sulfide ores

#45
20080138263
2008-06-12

Process for Heap Leaching of Nickeliferous Oxidic Ores

#46
20080075645
2008-03-27

Process for complete utilisation of olivine constituents

#47
20070295613
2007-12-27

Recovery of metals from oxidised metalliferous materials

#48
20070180953
2007-08-09

High purity cobalt, method of manufacturing thereof, and high purity cobalt targets

#49
20070131059
2007-06-14

Recovery of nickel

#50
20060011014
2006-01-19

Method for the recovery of metals using chloride leaching and extraction

#51
20050118081
2005-06-02

Process for the recovery of value metals from base metal sulfide ores