ClassID:

119290

C22B7/008 - CPC Classification

Classification description:

Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals; Wet processes by an alkaline or ammoniacal leaching

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

METHOD FOR RECYCLING POSITIVE ELECTRODE MATERIAL

#2
20260066372
2026-03-05

SYSTEMS AND METHODS FOR REMOVAL AND RECYCLING OF ALUMINUM IMPURITIES FROM BATTERY WASTE

#3
20260043113
2026-02-12

EXTRACTION OF COPPER AND OTHER ELEMENTS FROM WASTE MATERIALS FOR THE PRODUCTION OF METALIC COPPER

#4
20260028693
2026-01-29

METHOD OF MANUFACTURING ELECTRODE ACTIVE MATERIAL, METHOD OF MANUFACTURING SECONDARY BATTERY, AND SECONDARY BATTERY

#5
20260022026
2026-01-22

A METHOD FOR RECOVERING LITHIUM FROM A STREAM CONTAINING LITHIUM

#6
20250320577
2025-10-16

METHOD FOR REMOVING METAL AND METHOD FOR RECOVERING METAL

#7
20250219182
2025-07-03

SYSTEMS AND METHODS FOR REMOVAL AND RECYCLING OF ALUMINUM IMPURITIES FROM BATTERY WASTE

#8
20250215526
2025-07-03

METHOD FOR RECOVERING NOBLE METALS FROM CATALYTIC CONVERTER

#9
20250183398
2025-06-05

METHOD USING SOLVENT EXTRACTION FOR SELECTIVE RECOVERY OF VALUABLE METAL FROM LITHIUM SECONDARY BATTERY WASTE MATERIAL

#10
20250171874
2025-05-29

PRINCIPLES OF OPERATION AND CONTROL OF OXIDIZER IN COUNTERCURRENT LEACHING CONFIGURATIONS

#11
20250154626
2025-05-15

Processing of Black Mass

#12
20250149667
2025-05-08

METHOD OF TARGETED RECYCLING OF WASTE BATTERIES

#13
20250137090
2025-05-01

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

#14
20250096344
2025-03-20

SYSTEM AND METHOD FOR RECOVERING METAL FROM BATTERY MATERIALS

#15
20250059620
2025-02-20

METHOD FOR CATALYST RECOVERY FROM CATALYST-COATED MEMBRANES

#16
20250042755
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#17
20250030074
2025-01-23

METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES

#18
20240429479
2024-12-26

Systems and methods for removal and recycling of aluminum impurities from battery waste

#19
20240405305
2024-12-05

PROCESS

#20
20240387893
2024-11-21

METHOD OF RECOVERING ELECTRODE MATERIAL AND METHOD OF MANUFACTURING RECYCLED ELECTRICITY STORAGE DEVICE

#21
20240380016
2024-11-14

Process For Recycling Lithium Iron Phosphate Batteries

#22
20240372169
2024-11-07

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

#23
20240368733
2024-11-07

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT CATALYSTS

#24
20240336993
2024-10-10

METHOD FOR PREPARING HIGH-PURITY METALLIC ARSENIC FROM ARSENIC-CONTAINING SOLID WASTE THROUGH SHORT FLOW PROCESS

#25
20240327945
2024-10-03

METHOD OF AND SYSTEM FOR PROCESSING WASTE LITHIUM-ION BATTERY

#26
20240294553
2024-09-05

SIZE-SELECTIVE ACYCLIC CHELATORS AND THEIR USE FOR THE RECOVERY OF RARE EARTH ELEMENTS

#27
20240283045
2024-08-22

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

#28
20240279769
2024-08-22

LITHIUM RECLAMATION FROM GLASS-BASED MATERIALS BY WATER-DRIVEN EXTRACTION

#29
20240213560
2024-06-27

METHOD FOR RECYCLING AN ELECTRODE

#30
20240186604
2024-06-06

TREATMENT METHOD FOR BATTERY WASTE

#31
20240124953
2024-04-18

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

#32
20240120565
2024-04-11

Process for recycling lithium iron phosphate batteries

#33
20240076759
2024-03-07

METHOD FOR RECOVERING LEAD FROM COPPER SMELTING DUST

#34
20240063455
2024-02-22

Method for recovering valuable metals from spent lithium ion batteries

#35
20240035116
2024-02-01

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

#36
20240030509
2024-01-25

METHOD FOR SAFE PYROLYSIS AND IMPURITY REMOVAL OF WASTE LITHIUM BATTERY AND APPLICATION

#37
20240021902
2024-01-18

METHOD FOR RECOVERING ALUMINUM RESIDUE WITH CONTROLLED PARTICLE SIZE, AND USE THEREOF

#38
20240002972
2024-01-04

LEACHING OF PRECIOUS AND CHALCOPHILE METALS

#39
20230416867
2023-12-28

GAS-ASSISTED MICROFLOW EXTRACTION (GAME) SYSTEM PATENT

#40
20230411720
2023-12-21

Method of Metal Ion Recovery from Batteries

#41
20230387490
2023-11-30

STREAMLINED LITHIUM-ION BATTERY WASTE RECYCLING

#42
20230344030
2023-10-26

METHOD FOR REMOVING ELEMENTAL COPPER FROM TERNARY BATTERY WASTE AND APPLICATION THEREOF

#43
20230340637
2023-10-26

METHOD FOR RECYCLING LITHIUM IRON PHOSPHATE WASTE AND APPLICATION THEREOF

#44
20230335817
2023-10-19

METHOD FOR RECYCLING LITHIUM BATTERY CATHODE MATERIAL

#45
20230332271
2023-10-19

METHOD AND APPARATUS FOR SODIUM SLAG RECOVERY

#46
20230332270
2023-10-19

PROCESS FOR THE RECOVERY OF HIGH PURITY Metallic SODIUM AND THE SAFE TREATMENT OF HIGH CALCIUM CONTENT SODIUM SLAG

#47
20230227940
2023-07-20

RECOVERY OF VANADIUM FROM ALKALINE SLAG MATERIALS

#48
20230216055
2023-07-06

BINDER COMPOSITION FOR SECONDARY BATTERY

#49
20230212712
2023-07-06

METHOD FOR RECOVERING PRECIOUS METAL FROM PRECIOUS METAL-CONTAINING WASTE CATALYST

#50
20230192488
2023-06-22

Method of separating and recovering bromine from printed circuit board incineration ash by two-step process

#51
20230182462
2023-06-15

Method for composite delamination

#52
20230175095
2023-06-08

METHOD FOR COMPOSITE DELAMINATION

#53
20230139010
2023-05-04

APPARATUS FOR RECOVERING ACTIVE MATERIAL AND METHOD FOR REUSING ACTIVE MATERIAL BY USING SAME

#54
20230136670
2023-05-04

Method for composite delamination

#55
20230080921
2023-03-16

EXTRACTION OF COPPER, GOLD AND OTHER ELEMENTS FROM WASTE MATERIALS

#56
20230063543
2023-03-02

METHOD FOR REUSING ACTIVE MATERIAL BY USING POSITIVE ELECTRODE SCRAP

#57
20220352570
2022-11-03

PROCESS FOR THE RECOVERY OF LITHIUM AND OTHER METALS FROM WASTE LITHIUM ION BATTERIES

#58
20220336878
2022-10-20

Method for Reusing Active Material by Using Positive Electrode Scrap

#59
20220274841
2022-09-01

PROCESS FOR THE RECOVERY OF LITHIUM FROM WASTE LITHIUM ION BATTERIES

#60
20220259696
2022-08-18

METALS RECOVERY FROM SPENT CATALYST

#61
20220251681
2022-08-11

Process for the recovery of lithium and other metals from waste lithium ion batteries

#62
20220235436
2022-07-28

PROCESS FOR SEPARATING UNDESIRABLE METALS

#63
20220228236
2022-07-21

PROCESS TO RECOVER ALKALI FROM A METAL OXIDE/HYDROXIDE CONTAINING MATERIAL

#64
20220025483
2022-01-27

RECOVERING METAL OXIDES FORM A PAINT SLUDGE

#65
20220025482
2022-01-27

EFFECTIVE UTILIZATION OF JAROSITE WASTE

#66
20210395857
2021-12-23

Methods for recovering metals from metal-containing materials

#67
20210381081
2021-12-09

Alkaline solution method for recovering rare earth elements

#68
20210324496
2021-10-21

Method for enriching precious metals from printed circuit board incineration ash from molten pool by circulating chlorination

#69
20210214820
2021-07-15

Process for separating undesirable metals

#70
20210130928
2021-05-06

Method for selective recovery of valuable metal from waste denitrification catalyst through alkali fusion

#71
20210032724
2021-02-04

Process For Extracting Values from Lithium Slag

#72
20200262712
2020-08-20

Method of pretreatment and bromine recovery of PCB incineration ash

#73
20200002785
2020-01-02

Methods for recovery of rare earth elements from coal

#74
20200002784
2020-01-02

Systems for acid digestion processes

#75
20190388850
2019-12-26

Fluid treatment apparatus and process

#76
20190368004
2019-12-05

Methods for making zeolites

#77
20190360073
2019-11-28

Method for recovering scandium from red mud left from alumina production

#78
20190309392
2019-10-10

PROCESS FOR THE PREPARATION OF A CONCENTRATE OF METALS, RARE METALS AND RARE EARTH METALS FROM RESIDUES OF ALUMINA PRODUCTION BY BAYER PROCESS OR FROM MATERIALS WITH A CHEMICAL COMPOSITION SIMILAR TO SAID RESIDUES, AND REFINEMENT OF THE CONCENTRATE SO OBTAINED

#79
20190032170
2019-01-31

Method for comprehensive recovery of silver-containing lead slag

#80
20180171434
2018-06-21

Alkaline solution method for recovering rare earth elements

#81
20180171432
2018-06-21

Processes for recovering non-ferrous metals from solid matrices

#82
20180166753
2018-06-14

Method for producing lithium phosphate from a lithium solution

#83
20180135149
2018-05-17

Method for producing vanadium compound, method for producing vanadium solution, and method for producing redox flow battery electrolyte

#84
20180051357
2018-02-22

Method for recovering calcium-containing solid component from steelmaking slag and recovered solid component

#85
20170317391
2017-11-02

Method for Recovering Lithium from Lithium-Sulfur Accumulators

#86
20170275772
2017-09-28

Process for the treatment of end-of-life cathode-ray tubes

#87
20170166997
2017-06-15

Method for recycling scrap of 2xxx or 7xxx series alloy

#88
20170079146
2017-03-16

METHOD FOR RECYCLING OF OBSOLETE PRINTED CIRCUIT BOARDS

#89
20170073795
2017-03-16

Method for leaching precious metals contained in waste denitrification catalyst using pressure leaching process

#90
20170050183
2017-02-23

Methods for reprocessing used catalysts

#91
20160355907
2016-12-08

Method for crushing hard tungsten carbide scraps

#92
20160271573
2016-09-22

Fluid treatment apparatus and process

#93
20160237525
2016-08-18

Systems and methods for alkaline earth production

#94
20160218403
2016-07-28

Method and apparatus for recovering sodium from sodium-sulfur battery

#95
20160122846
2016-05-05

SUSTAINABLE PROCESS FOR RECLAIMING PRECIOUS METALS AND BASE METALS FROM E-WASTE

#96
20160122496
2016-05-05

METHOD AND INDUSTRIAL PROCESS FOR RECOVERING RAW MATERIALS FROM PAPER-CONTAINING WASTES BY MEANS OF IONIC LIQUIDS

#97
20160095230
2016-03-31

Method for recycling of obsolete printed circuit boards

#98
20160068929
2016-03-10

EXTRACTION OF RARE EARTH METALS FROM NdFeB USING SELECTIVE SULFATION ROASTING

#99
20160068927
2016-03-10

Method of preparing a gold-containing solution and process arrangement for recovering gold and silver

#100
20160060132
2016-03-03

Method and apparatus for the enhanced separation of calcium eggshell from organic membrane

#101
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

#102
20150344988
2015-12-03

PROCESS FOR REDUCING OF LEACHABLE FLUORIDES AND CONTROLLING PH OF ALUMINUM WASTE PRODUCTS

#103
20150218672
2015-08-06

Process for recovering metal values from oxides of manganese-containing materials

#104
20150152520
2015-06-04

Method of recovering silver and paper from silver-coated paper film

#105
20150114183
2015-04-30

Processes for recovering non-ferrous metals from solid matrices

#106
20140205519
2014-07-24

Process for recovering zinc and/or zinc oxide II

#107
20140174257
2014-06-26

METHOD FOR DECOMPOSING CURED EPOXY RESIN

#108
20140119978
2014-05-01

METAL NANO PARTICLE AND METHOD FOR SURFACE TREATING THE SAME

#109
20140041485
2014-02-13

Process for magnesium production

#110
20140034090
2014-02-06

Method for detaching coatings from scrap

#111
20130247721
2013-09-26

Method for separating positive-pole active substance and method for recovering valuable metals from lithium ion battery

#112
20130078167
2013-03-28

Method of metals recovery from refinery residues

#113
20120325676
2012-12-27

Process to recycle end of life CDTE modules and manufacturing scrap

#114
20120325675
2012-12-27

Apparatus and method for recovery of valuable metals by alkali leaching

#115
20120279358
2012-11-08

Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues

#116
20120247271
2012-10-04

PROCESS FOR RECOVERING METALS AND METAL COMPOUNDS FROM MINED ORE AND OTHER METAL-BEARING RAW SOURCE MATERIALS

#117
20120213680
2012-08-23

Hydromethanation of a carbonaceous feedstock with nickel recovery

#118
20120201729
2012-08-09

Method and device for separation of recoverable material from products containing mercury

#119
20110268632
2011-11-03

HYDROMETALLURGICAL METHOD FOR THE REUSE OF SECONDARY ZINC OXIDES RICH IN FLUORIDE AND CHLORIDE

#120
20110214535
2011-09-08

System and method of carbon capture and sequestration, environmental remediation, and metals recovery

#121
20110129397
2011-06-02

METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CATALYST

#122
20110100161
2011-05-05

Method for processing and recycling zinc-rich iron metallurgy side products

#123
20110083970
2011-04-14

Process for producing metallic lead starting from desulfurized pastel

#124
20110005350
2011-01-13

Recovery method and recovery apparatus of thallium in cement production facilities

#125
20100307977
2010-12-09

REMOVAL OF CYANIDE FROM AQUEOUS STREAMS

#126
20100294081
2010-11-25

Method and apparatus for removing and recovering copper from copper-containing acidic waste liquid and method for producing copper-containing substance

#127
20100278686
2010-11-04

Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials

#128
20100215570
2010-08-26

Method of alkali processing substance containing arsenic

#129
20100111787
2010-05-06

METHOD OF RECOVERING VALUABLE METALS FROM THE VRDS SPENT CATALYST

#130
20090304561
2009-12-10

Reactor for separating aluminium from multi-layer film materials

#131
20090241736
2009-10-01

Method for recovering metal from ore

#132
20090226352
2009-09-10

METHOD FOR RECOVERING NOBLE METAL

#133
20090159491
2009-06-25

Conversion of fine catalyst into coke-like material

#134
20090133536
2009-05-28

Process for separating and recovering base metals from used hydroprocessing catalyst

#135
20090030256
2009-01-29

Electrochemical removal of dissociable cyanides

#136
20090028765
2009-01-29

PROCESS TO PRODUCE MOLYBDENUM COMPOUNDS, FROM SPENT MOLYBDENUM CATALYZERS, INDUSTRIAL RESIDUES AND METAL ALLOYS

#137
20080282842
2008-11-20

Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters

#138
20080175773
2008-07-24

Process for the dissolution of copper metal

#139
20080134482
2008-06-12

Method for manufacturing plate core material and method for manufacturing alkaline storage battery

#140
20080025892
2008-01-31

Process for the Production of Magnesium Oxide

#141
20080011123
2008-01-17

Alkaline electro-hydrometallurgical process for Zn extraction from electric arc furnace dust

#142
20070253877
2007-11-01

Method for treating arsenic containing solution

#143
20070214912
2007-09-20

Hydrometallurgical Separation Process Of Steel Mill Electric Arc Furnace (Eaf) Dust And The Pigments Obtained By The Process

#144
20070041883
2007-02-22

Process for hydrometallurgical treatment of electric arc furnace dust

#145
20070028720
2007-02-08

Process for the high yield recovery of lead from spent lead-acid batteries with reduced associated production of slag and gaseous emissions

#146
20060231493
2006-10-19

Method of producing pure halide salts of alkaline and/or alkaline earth metal resulting from hydrolytic treatment of halogenous organic waste material

#147
20060183958
2006-08-17

Process for the treatment of waste metal chlorides

#148
20060037438
2006-02-23

Process for extraction of metals from ores or industrial materials

#149
20060018819
2006-01-26

Desulfurization process of pastel and grids of lead accumulators

#150
20050189347
2005-09-01

Isostat for treating materials and method of removing ceramic material from metal articles using the same

#151
20050130866
2005-06-16

Dissolution of copper metal in aqueous alkanolamine to form copper containing aqueous solution

#152
20050115037
2005-06-02

Method for manufacturing core material for electrode plate and method for manufacturing alkaline storage battery

#153
20050081683
2005-04-21

Process for extracting platinum group metals

#154
20050034563
2005-02-17

Process for the dissolution of copper metal

#155
15003265
2016-08-30

Method for synthesizing noble metal nanoparticles using dead cancer cells