ClassID:

119239

C22B3/045 - CPC Classification

Classification description:

Extraction of metal compounds from ores or concentrates by wet processes by leaching Leaching using electrochemical processes

Recent Application in this class:
#1
20260125776
2026-05-07

METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY

#2
20260049409
2026-02-19

DIRECT ELECTROCHEMICAL EXTRACTION OF LITHIUM FROM ORES

#3
20260043328
2026-02-12

FLEXIBLE ELECTRODE TUBE FOR ELECTRIFIED RARE EARTH MINING AND APPLICATION METHOD THEREFOR

#4
20250230520
2025-07-17

SHORT PROCESS METHOD FOR EXTRACTING PRECIOUS METALS BY INTEGRATING THIOSULFATE ELECTROCHEMICAL LEACHING AND RECOVERY

#5
20250109517
2025-04-03

DIRECT ELECTROCHEMICAL EXTRACTION OF LITHIUM FROM ORES

#6
20250109508
2025-04-03

Method and device for preparing trivalent chromium salt by electrochemical oxidation of ferrochrome in acidic system

#7
20240384367
2024-11-21

NON-TOXIC AND ENVIRONMENTALLY FRIENDLY METHOD OF RECYCLING ACID MINE DRAINAGE (AMD) SLUDGE, LATERITE, AND SOIL TO SELECTIVELY EXTRACT RARE EARTH AND CRITICAL MINERALS

#8
20240279831
2024-08-22

METHOD AND ELECTROCHEMICAL SYSTEM FOR RECYCLING SPENT LITHIUM-ION BATTERY

#9
20240254590
2024-08-01

METHOD OF METAL RECOVERY WITH COSOLVENT

#10
20240117467
2024-04-11

Electrokinetic device and method for in-situ leaching of uranium

#11
20230250507
2023-08-10

METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY

#12
20230220514
2023-07-13

SYSTEMS AND METHODS FOR HYDROMETALLURGICAL, ANTI-SOLVENT, AND ELECTROCHEMICAL RECOVERY OF METALS FROM WASTES AND ASHES

#13
20230174396
2023-06-08

USE OF REACTOR OUTPUTS TO PURIFY MATERIALS, AND RELATED SYSTEMS

#14
20230147264
2023-05-11

METHOD AND DEVICE FOR RECOVERING METAL

#15
20220267877
2022-08-25

Co-processing of copper sulphide concentrate with nickel laterite ore

#16
20220178000
2022-06-09

Process for recovering gold from ores

#17
20220112616
2022-04-14

Method for cleanly extracting metallic silver

#18
20210252477
2021-08-19

Molecularly imprinted polymer beads for extraction of metals and uses thereof

#19
20210107824
2021-04-15

SYSTEM AND METHOD FOR RECLAMATION OF LEADED GLASS

#20
20200392602
2020-12-17

Process for multi-recycling, low-energy and high-purity extraction of lithium

#21
20200048734
2020-02-13

RECOVERY OF GOLD AND/OR SILVER

#22
20190301031
2019-10-03

Systems and methods for continuous alkaline lead acid battery recycling

#23
20190017144
2019-01-17

Method for separating metal components

#24
20180214845
2018-08-02

Molecularly imprinted polymer beads for extraction of metals and uses thereof

#25
20180080101
2018-03-22

Method for producing tungsten

#26
20170369967
2017-12-28

Methods, materials and techniques for precious metal recovery

#27
20170327962
2017-11-16

Direct electrowinning process with leaching solution

#28
20170159191
2017-06-08

Systems and methods for continuous alkaline lead acid battery recycling

#29
20160355906
2016-12-08

Method of ore processing using mixture including acidic leach solution and oxidizing agent

#30
20150329938
2015-11-19

Hydrometallurgical method for the removal of radionuclides from radioactive copper concentrates

#31
20150033913
2015-02-05

Method and system for gold recovery

#32
20150027901
2015-01-29

BIOMINING ENHANCEMENT METHOD

#33
20120325675
2012-12-27

Apparatus and method for recovery of valuable metals by alkali leaching

#34
20120234137
2012-09-20

Hydrometalurgical process and apparatus for recovering metals from waste material

#35
20110290657
2011-12-01

Process for gold and silver leaching with thiourea solutions

#36
20110253552
2011-10-20

Method of electrochemical dissolution of ruthenium-cobalt-based alloy

#37
20110114500
2011-05-19

Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes

#38
20110094877
2011-04-28

ELECTROCHEMICAL SYSTEM FOR METAL RECOVERY

#39
20110089045
2011-04-21

ELECTROCHEMICAL PROCESS FOR THE RECOVERY OF METALLIC IRON AND SULFURIC ACID VALUES FROM IRON-RICH SULFATE WASTES, MINING RESIDUES AND PICKLING LIQUORS

#40
20100316544
2010-12-16

Method for collection of valuable metal from ITO scrap

#41
20100294082
2010-11-25

Method for collection of valuable metal from ITO scrap

#42
20100288646
2010-11-18

Method of recovering valuable metals from IZO scrap

#43
20100288645
2010-11-18

Method of recovering valuable metals from IZO scrap

#44
20100282615
2010-11-11

Method of recovering valuable metals from IZO scrap

#45
20100193372
2010-08-05

Method for collection of valuable metal from ITO scrap

#46
20100101963
2010-04-29

Method of recovering valuable metal from scrap conductive oxide

#47
20100084281
2010-04-08

Method for collection of valuable metal from ITO scrap

#48
20100084279
2010-04-08

Method for collection of valuable metal from ITO scrap

#49
20100072075
2010-03-25

Method of recovering valuable metal from scrap containing conductive oxide

#50
20100065436
2010-03-18

METHOD OF EXTRACTING PLATINUM GROUP METALS FROM WASTE CATALYSTS THROUGH ELECTROCHEMICAL PROCESS

#51
20100011907
2010-01-21

Extraction of metals from sulphide minerals

#52
20090173188
2009-07-09

Chloride heap leaching

#53
20090030256
2009-01-29

Electrochemical removal of dissociable cyanides

#54
20080302671
2008-12-11

Sequential lixivation and precipitation of metals from refractory ores by utilising variable oxidation reduction potentials and a variable PH system

#55
20080110767
2008-05-15

PROCESS FOR ELECTROCHEMICAL DECOMPOSITION OF SUPERALLOYS

#56
20070272055
2007-11-29

Process for Gold and Silver Leaching with Thiourea Solutions

#57
20070256931
2007-11-08

Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor

#58
20060219571
2006-10-05

Electrogenerated chlorine or chloride compound leaching and its apparatus

#59
20050269208
2005-12-08

Leaching process for copper concentrates

#60
20050245784
2005-11-03

Mediated electrochemical oxidation of inorganic materials

#61
20050217432
2005-10-06

Apparatus and method for the reduction of metals

#62
20050161340
2005-07-28

Process for the recovery of materials from a desulfurization reaction

#63
20050155870
2005-07-21

Method for producing indium-containing aqueous solution

#64
20050121337
2005-06-09

Method and apparatus for the electrodissolution of elements

#65
20050109162
2005-05-26

Apparatus and method for the reduction of metals

#66
15176758
2016-11-29

Molecularly imprinted polymer beads for extraction of metals and uses thereof