ClassID:

119444

C22B23/0446 - CPC Classification

Classification description:

Obtaining nickel or cobalt by wet processes; Leaching processes with an ammoniacal liquor or with a hydroxide of an alkali or alkaline-earth metal

Recent Application in this class:
#1
20260078465
2026-03-19

METHOD FOR RECYCLING POSITIVE ELECTRODE MATERIAL

#2
20250137090
2025-05-01

Compositions and processes for the extraction of metals using non-aqueous solvents

#3
20250066872
2025-02-27

HEAPS FOR HEAP LEACHING

#4
20250043390
2025-02-06

METHOD FOR PRODUCING BATTERY MATERIAL

#5
20250042755
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#6
20250030074
2025-01-23

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

#7
20240372169
2024-11-07

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

#8
20240283045
2024-08-22

Process for Recycling Battery Materials By Way of Reductive, Pyrometallurgical Treatment

#9
20240124953
2024-04-18

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

#10
20240076548
2024-03-07

METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL LEACHING METHOD

#11
20240055683
2024-02-15

RECOVERY OF METALS

#12
20240035116
2024-02-01

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

#13
20240002972
2024-01-04

LEACHING OF PRECIOUS AND CHALCOPHILE METALS

#14
20230411720
2023-12-21

Method of Metal Ion Recovery from Batteries

#15
20230387490
2023-11-30

STREAMLINED LITHIUM-ION BATTERY WASTE RECYCLING

#16
20230307735
2023-09-28

Method of recovering cobalt and nickel

#17
20220339607
2022-10-27

METHOD FOR MANUFACTURING CATALYSTS WITH REDUCED ATTRITION

#18
20210036387
2021-02-04

Chemical dismantling of permanent magnet material and battery material

#19
20190366307
2019-12-05

Method for manufacturing catalysts with reduced attrition

#20
20190177864
2019-06-13

SYSTEMS AND METHODS FOR METAL RECOVERY

#21
20190024211
2019-01-24

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

#22
20180298505
2018-10-18

Systems and methods for improved metal recovery using ammonia leaching

#23
20180171432
2018-06-21

Processes for recovering non-ferrous metals from solid matrices

#24
20170107595
2017-04-20

SOLUTION FOR USE IN EXTRACTION OF COBALT, COBALT SOLUTION, AND METHOD FOR COLLECTING COBALT

#25
20160355907
2016-12-08

Method for crushing hard tungsten carbide scraps

#26
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#27
20160230296
2016-08-11

Systems and methods for copper recovery via roasting and leaching

#28
20160115563
2016-04-28

Method for recovering metals

#29
20160068977
2016-03-10

Systems and methods for improved metal recovery using ammonia leaching

#30
20160049700
2016-02-18

Method for removing copper and aluminum from an electrode material, and process for recycling electrode material from waste lithium-ion batteries

#31
20150114183
2015-04-30

Processes for recovering non-ferrous metals from solid matrices

#32
20140377151
2014-12-25

Process for recovery of cobalt, ruthenium, and aluminum from spent catalyst

#33
20140348729
2014-11-27

Process for separating and recovering metals

#34
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#35
20140286840
2014-09-25

Method for recovering metals from waste aluminum catalyst

#36
20140260807
2014-09-18

Systems and methods for improved metal recovery using ammonia leaching

#37
20140260806
2014-09-18

Systems and methods for improved metal recovery using ammonia leaching

#38
20120244051
2012-09-27

Method for leaching cobalt from oxidised cobalt ores

#39
20120213680
2012-08-23

Hydromethanation of a carbonaceous feedstock with nickel recovery

#40
20120067174
2012-03-22

PROCESSES FOR EXTRACTION OF NICKEL WITH IRON-COMPLEXING AGENT

#41
20120039777
2012-02-16

Process for separating and recovering metals

#42
20110123418
2011-05-26

Process for forming high density sulfides

#43
20110028312
2011-02-03

METHOD FOR RECOVERING MOLYBDENUM AND COBALT

#44
20100300249
2010-12-02

Recovering Metal Values from a Leach Residue

#45
20100300248
2010-12-02

Recovering Metal Values from a Metalliferrous Material

#46
20100199807
2010-08-12

Recovering metals from complex metal sulfides

#47
20100180728
2010-07-22

Method for ammoniacal leaching

#48
20100021370
2010-01-28

Flotation reagents and flotation processes utilizing same

#49
20070166214
2007-07-19

Reductive ammoniacal leaching of nickel and cobalt bearing materials

#50
20060263282
2006-11-23

Process for nickel and cobalt extraction from laterite ores

#51
20050211022
2005-09-29

Integrated ammoniacal solvent extraction and hydrogen reduction of nickel