ClassID:

119447

C22B23/0469 - CPC Classification

Classification description:

Obtaining nickel or cobalt by wet processes; Treatment or purification of solutions, e.g. obtained by leaching by chemical methods by chemical substitution, e.g. by cementation

Recent Application in this class:
#1
20260100436
2026-04-09

METHOD OF RECOVERING METAL FROM BATTERY WASTE

#2
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

#3
20230313337
2023-10-05

METHOD FOR SEPARATING COBALT AND NICKEL

#4
20220074018
2022-03-10

Process for the recovery of metals from polymetallic nodules

#5
20220010407
2022-01-13

BATTERY RECYCLING BY HYDROGEN GAS INJECTION IN LEACH

#6
20180171432
2018-06-21

Processes for recovering non-ferrous metals from solid matrices

#7
20180148344
2018-05-31

Aqueous cobalt chloride solution purification method

#8
20180134577
2018-05-17

Aqueous cobalt chloride solution refinement method

#9
20170240994
2017-08-24

Nickel recovery process

#10
20170170532
2017-06-15

METHOD FOR RECYCLING VALUABLE METALS FROM SPENT BATTERIES

#11
20170159190
2017-06-08

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

#12
20160265082
2016-09-15

PROCESSES FOR TREATING MAGNESIUM-CONTAINING MATERIALS

#13
20150114183
2015-04-30

Processes for recovering non-ferrous metals from solid matrices

#14
20150078972
2015-03-19

Method for producing high-purity nickel sulfate

#15
20150023849
2015-01-22

Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore

#16
20150000466
2015-01-01

Production of high grade nickel product

#17
20140322109
2014-10-30

Method for producing high-purity nickel surface

#18
20140120012
2014-05-01

Method for selective precipitation of iron, arsenic and antimony

#19
20130199620
2013-08-08

Liquid storage apparatus and method of controlling the pressure in the same

#20
20120073407
2012-03-29

Method of recovering metal values from nickel-containing ores

#21
20110283831
2011-11-24

Process for the Recovery of Nickel and/or Cobalt from a Leach Solution

#22
20100089764
2010-04-15

Method for production of metallic cobalt from the nickel solvent extraction raffinate

#23
20070273071
2007-11-29

Method and apparatus for controlling metal separation

#24
20060228279
2006-10-12

Recovery of nickel, cobalt, iron, silica, zinc and copper from laterite ore by sulfuric acid leaching

#25
20050042156
2005-02-24

Method of recovery of metals from etching solutions