ClassID:

119413

C22B21/0023 - CPC Classification

Classification description:

Obtaining aluminium by wet processes from waste materials

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

METHOD FOR PROCESSING LITHIUM-ION BATTERY WASTE

#2
20260081247
2026-03-19

PROCESS FOR RECYCLING ALUMINUM HYDROXIDE FROM A BLACK MASS

#3
20260078468
2026-03-19

Recycling Of Nickel And/Or Lithium From Spent Cathodes Forming Battery Grade Material

#4
20260078466
2026-03-19

METHOD FOR RECYCLING POSITIVE ELECTRODE MATERIAL

#5
20260066372
2026-03-05

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

#6
20260055006
2026-02-26

PROCESS FOR SELECTIVELY CAPTURING CHEMICAL ELEMENTS FROM A POLYMETALLIC SAMPLE

#7
20260043112
2026-02-12

COMPREHENSIVE UTILIZATION METHOD FOR VALUABLE ELEMENTS IN HYDROMETALLURGICAL SLAG OF LATERITE NICKEL ORE

#8
20260009105
2026-01-08

METHOD FOR REMOVING ALUMINUM AND METHOD FOR RECOVERING METALS

#9
20260002232
2026-01-01

METHOD FOR REMOVING ALUMINUM AND METHOD FOR RECOVERING METALS

#10
20250320577
2025-10-16

METHOD FOR REMOVING METAL AND METHOD FOR RECOVERING METAL

#11
20250305090
2025-10-02

SEPARATION OF CRITICAL BATTERY MATERIALS FROM END-OF-LIFE SOURCES

#12
20250276327
2025-09-04

METHODS AND SYSTEMS FOR POLISHING AND RECOVERING ALUMINUM FROM A WASTE MATERIAL

#13
20250263305
2025-08-21

EXTRACTION PROCESS FOR REDUCING THE ALUNITE CONTENT FROM TAILINGS, PRODUCT, AND ITS USE

#14
20250219182
2025-07-03

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

#15
20250219179
2025-07-03

Method and Facility for Preparing and Evaluating Batteries

#16
20250215524
2025-07-03

METHOD FOR RECOVERING METALS

#17
20250215523
2025-07-03

Improved Systems And Methods For Metal Recovery From Lithium Ion Batteries

#18
20250215522
2025-07-03

METHOD AND SYSTEM FOR RECYCLING METAL OF LITHIUM SECONDARY BATTERY

#19
20250188564
2025-06-12

Method for the Elution of Aluminum Ions and/or Zinc Ions

#20
20250179612
2025-06-05

METHOD FOR REMOVING ALUMINUM

#21
20250163543
2025-05-22

LITHIUM RECOVERY SYSTEM FOR BLACK MASS

#22
20250137090
2025-05-01

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

#23
20250096344
2025-03-20

SYSTEM AND METHOD FOR RECOVERING METAL FROM BATTERY MATERIALS

#24
20240429479
2024-12-26

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

#25
20240425994
2024-12-26

Carbon Capture Using Electrochemically-Produced Acid and Base

#26
20240387893
2024-11-21

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

#27
20240372169
2024-11-07

METHOD FOR RECOVERING WASTE LITHIUM BATTERY MATERIALS

#28
20240356099
2024-10-24

METHOD FOR RECOVERING LITHIUM BATTERY POSITIVE ELECTRODE PLATE

#29
20240318277
2024-09-26

A BIO-BASED PROCESS FOR EXTRACTING METALS FROM BATTERIES

#30
20240274913
2024-08-15

Method for recovering waste lithium cobalt oxide battery

#31
20240271247
2024-08-15

PREPARATION OF RARE EARTH METALS AND OTHER CHEMICALS FROM INDUSTRIAL WASTE COAL ASH

#32
20240229192
2024-07-11

PROCESS FOR RECOVERING SILVER FROM SCRAP PHOTOVOLTAIC CELLS

#33
20240218481
2024-07-04

METHOD FOR RECYCLING LITHIUM BATTERIES

#34
20240213560
2024-06-27

METHOD FOR RECYCLING AN ELECTRODE

#35
20240204277
2024-06-20

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#36
20240183005
2024-06-06

Method for dissolving a positive electrode material

#37
20240182304
2024-06-06

METHOD FOR THE HIGH EFFICIENCY RECYCLING OF IRON PHOSPHATE BLACK POWDER SLAG

#38
20240158887
2024-05-16

METHOD FOR EFFICIENTLY REMOVING FLUORINE FROM SPENT LITHIUM BATTERY

#39
20240128530
2024-04-18

VALUABLE METAL RECOVERY METHOD AND RECOVERY APPARATUS

#40
20240021902
2024-01-18

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

#41
20230411721
2023-12-21

PROCESS FOR RECOVERY OF METALS AND CARBON POWDER FROM SPENT LITHIUM ION BATTERIES

#42
20230369670
2023-11-16

Method for recovering active metal of lithium secondary battery

#43
20230352756
2023-11-02

METHODS FOR IMPURITY REMOVAL AND TREATMENT IN RECYCLING PROCESS OF SCRAP POSITIVE ELECTRODE MATERIALS OF LITHIUM BATTERIES

#44
20230344030
2023-10-26

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

#45
20230331571
2023-10-19

WET PROCESS FOR RECOVERING VALUABLE METALS FROM LITHIUM BATTERY

#46
20230307735
2023-09-28

Method of recovering cobalt and nickel

#47
20230265540
2023-08-24

EXTRACTION METHOD FOR REMOVING ALUMINUM FROM TERNARY BATTERY MATERIAL LEACHATE

#48
20230227325
2023-07-20

Method for recycling iron and aluminum in nickel-cobalt-manganese solution

#49
20230220515
2023-07-13

OBTAINING VALUABLE SOLIDS AND COMBUSTIBLE GAS FROM ALUMINUM REMELTING WASTE

#50
20230216055
2023-07-06

BINDER COMPOSITION FOR SECONDARY BATTERY

#51
20230193422
2023-06-22

METHOD FOR PRODUCING MIXED METAL SOLUTION AND METHOD FOR PRODUCING MIXED METAL SALT

#52
20230182462
2023-06-15

Method for composite delamination

#53
20230175095
2023-06-08

METHOD FOR COMPOSITE DELAMINATION

#54
20230136670
2023-05-04

Method for composite delamination

#55
20220285750
2022-09-08

PROCESS AND ITS PRODUCTS FOR SPENT LITHIUM-ION BATTERIES TREATMENT

#56
20220195559
2022-06-23

Preparation of rare earth metals and other chemicals from industrial waste coal ash

#57
20220064758
2022-03-03

ALUMINUM RECOVERY METHOD

#58
20220025483
2022-01-27

RECOVERING METAL OXIDES FORM A PAINT SLUDGE

#59
20210277497
2021-09-09

Recovery of critical metals from SX-EW copper raffinate and other solutions derived from leaching ores with sulfuric acid

#60
20210252745
2021-08-19

Method for Recovering Aluminum from Multilayered Packaging Utilizing Sonication and Formic Acid

#61
20210198768
2021-07-01

Selective Extraction of Metals From Complex Inorganic Sources

#62
20210123118
2021-04-29

Dross management system and method

#63
20210032724
2021-02-04

Process For Extracting Values from Lithium Slag

#64
20210032721
2021-02-04

Method for recycling lithium batteries

#65
20200157655
2020-05-21

PROCESSING METHODS AND PROCESSING APPARATUS

#66
20200136201
2020-04-30

Method for treating lithium ion battery

#67
20200002785
2020-01-02

Methods for recovery of rare earth elements from coal

#68
20200002784
2020-01-02

Systems for acid digestion processes

#69
20190368004
2019-12-05

Methods for making zeolites

#70
20190360070
2019-11-28

METHOD OF SEPARATING METAL FROM METALLIC STARTING MATERIALS USING A HYDROTHERMAL REACTOR SYSTEM

#71
20190329268
2019-10-31

METHODS AND SYSTEMS FOR POLISHING AND RECOVERING ALUMINUM FROM A WASTE MATERIAL

#72
20190153562
2019-05-23

Preparation of rare earth metals and other chemicals from industrial waste coal ash

#73
20180363098
2018-12-20

Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps

#74
20180083325
2018-03-22

Method for treating lithium ion battery

#75
20170306443
2017-10-26

Method for extracting ultra high purity alumina from wasterwater

#76
20170166997
2017-06-15

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

#77
20170051381
2017-02-23

Dross management system and method

#78
20170033382
2017-02-02

Systems and methods for regeneration of aqueous alkaline solution

#79
20160369372
2016-12-22

Method for the acid treatment of red mud

#80
20160348210
2016-12-01

Process for dissolving aluminum for recovering nuclear fuel

#81
20160289791
2016-10-06

Deriving high value products from waste red mud

#82
20160273070
2016-09-22

PROCESSES FOR PREPARING ALUMINA AND VARIOUS OTHER PRODUCTS

#83
20160273069
2016-09-22

Methods for purifying aluminium ions

#84
20160265083
2016-09-15

Processing methods and processing apparatus

#85
20160265082
2016-09-15

PROCESSES FOR TREATING MAGNESIUM-CONTAINING MATERIALS

#86
20160153071
2016-06-02

Processes for recovering rare earth elements from aluminum-bearing materials

#87
20160122496
2016-05-05

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

#88
20160108495
2016-04-21

Method for the treatment of aluminium slags treatment and associated plant

#89
20160032421
2016-02-04

PROCESSES FOR TREATING FLY ASHES

#90
20150344988
2015-12-03

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

#91
20150307965
2015-10-29

Processes for recovering rare earth elements from aluminum-bearing materials

#92
20150307956
2015-10-29

METHOD OF EXTRACTING METAL IONS FROM RED MUD BY SONICATION

#93
20150275330
2015-10-01

Processes for treating red mud

#94
20150225808
2015-08-13

Processes for preparing alumina and magnesium chloride by HCl leaching of various materials

#95
20150159237
2015-06-11

METHOD OF RECOVERING VALUES FROM ALUMINIUM DROSS

#96
20150075328
2015-03-19

Processes for treating fly ashes

#97
20140369907
2014-12-18

Processes for treating red mud

#98
20140356262
2014-12-04

METHOD FOR TREATING TAILINGS POND LIQUOR

#99
20130115149
2013-05-09

Method for preparing metallurgical-grade alumina by using fluidized bed fly ash

#100
20110045962
2011-02-24

Process for recycling spent pot linings (SPL) from primary aluminium production

#101
20090304561
2009-12-10

Reactor for separating aluminium from multi-layer film materials

#102
20080159935
2008-07-03

Processes for treating aluminium dross residues

#103
20060053973
2006-03-16

Treatment of smelting by-products

#104
20050087107
2005-04-28

Building and other materials containing treated bauxite tailings and process for making same