ClassID:

119260

C22B3/205 - CPC Classification

Classification description:

Extraction of metal compounds from ores or concentrates by wet processes; Treatment or purification of solutions, e.g. obtained by leaching using adducts or inclusion complexes

Recent Application in this class:
#1
20260110050
2026-04-23

METHOD FOR PROCESSING LITHIUM-ION BATTERY WASTE

#2
20260103778
2026-04-16

RARE EARTH ELEMENT EXTRACTION METHODS AND APPARATUSES

#3
20260071299
2026-03-12

APPARATUS AND METHODS FOR RARE EARTH ELEMENT RECOVERY AND PURIFICATION

#4
20260071298
2026-03-12

Continuous Ion Exchange Processes for Separating Rare Earth Elements

#5
20250389179
2025-12-25

In Situ Leaching of Copper From Porphyry Copper Ore Bodies Through Stimulated Natural Fracture Networks

#6
20250305092
2025-10-02

SEPARATION OF RARE EARTH ELEMENTS

#7
20250092488
2025-03-20

Leaching Method

#8
20250051878
2025-02-13

Separation of rare earth elements

#9
20240425989
2024-12-26

Processing and recycling method and product of ultrathin lithium foil

#10
20240410032
2024-12-12

CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY

#11
20240375084
2024-11-14

SUPRAMOLECULAR GOLD STRIPPING FROM ACTIVATED CARBON USING ALPHA-CYCLODEXTRIN

#12
20240344168
2024-10-17

METAL RECOVERY APPARATUS AND METAL RECOVERY METHOD

#13
20240262853
2024-08-08

SELECTIVE SEPARATION OF HEXACHLOROPLATINATE(IV) DIANIONS BASED ON EXO-BINDING WITH CUCURBIT[6]URIL

#14
20240068071
2024-02-29

SEPARATION OF RARE EARTH ELEMENTS

#15
20230002855
2023-01-05

Separation of rare earth elements

#16
20190345581
2019-11-14

Leaching copper-containing ores

#17
20190345580
2019-11-14

Leaching Copper-Containing Ores

#18
20160083816
2016-03-24

Method for recovering gold from refractory ore

#19
20150203935
2015-07-23

Metal leach and recovery process

#20
20130228524
2013-09-05

Processes for recovering organic solvent extractant from solid-stabilized emulsions formed in hydrometallurgical solvent extraction circuits

#21
20120261609
2012-10-18

Composition and method for removing metal contaminants

#22
20090057232
2009-03-05

Method for removing metal contaminants from a metal containing solution

#23
20090026138
2009-01-29

Process for separating at least one actinide element from lanthanide elements in an aqueous medium by sequestration and membrane filtration

#24
20070202025
2007-08-30

Method For Recovery Of Palladium

#25
20070007121
2007-01-11

Photochemical transformation of metallic and non-metallic ions in an aqueous environment

#26
20060276327
2006-12-07

Compositions for removing metal ions from aqueous process solutions and methods of use thereof

#27
20060060538
2006-03-23

Compositions for removing metal ions from aqueous process solutions and methods of use thereof

#28
20050247909
2005-11-10

Process for reducing the passive layer from the surface of a metal

#29
20050228103
2005-10-13

Composition comprising intercalated metal-ion sequestrants

#30
20050061748
2005-03-24

Compositions for removing metal ions from aqueous process solutions and methods of use thereof

#31
20050044991
2005-03-03

Photochemical transformation of metallic and non-metallic ions in an aqueous environment

#32
20050040108
2005-02-24

Metal ion recovery

#33
14537194
2018-07-24

Method of direct solvent extraction of rare earth metals from an aqueous acid-leached ore slurry