ClassID:

119373

C22B15/0071 - CPC Classification

Classification description:

Obtaining copper; Hydrometallurgy; Leaching or slurrying with acids or salts thereof containing sulfur

Recent Application in this class:
#1
20260103775
2026-04-16

PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS

#2
20260081249
2026-03-19

METHOD FOR RECYCLING LITHIUM BATTERIES

#3
20260078468
2026-03-19

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

#4
20260049374
2026-02-19

MIXTURE COMPRISING A SULFIDIZING AGENT AND AN ALKALINIZING AGENT AND ITS USE

#5
20260035766
2026-02-05

PROCESS AND SYSTEM FOR RECOVERING COPPER AND COBALT FROM SULFIDIC MATERIALS

#6
20260035765
2026-02-05

SYSTEM AND PROCESS FOR PROGRESSIVE REFRACTORY ORE TRANSFORMATION

#7
20260035764
2026-02-05

MICROBIAL-ASSISTED HEAP LEACHING

#8
20260028695
2026-01-29

EXTRACTION AND RECOVERY OF METALS UNDER AMBIENT CONDITIONS

#9
20260009104
2026-01-08

SYSTEM AND PROCESS FOR PROGRESSIVE REFRACTORY ORE TRANSFORMATION FOR COPPER LEACHING

#10
20250305090
2025-10-02

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

#11
20250305089
2025-10-02

OXIDATIVE AND REDUCTIVE LEACHING METHODS

#12
20250305087
2025-10-02

ORE RESETTING PROCESS FOR COPPER LEACHING

#13
20250270672
2025-08-28

METHOD FOR RECOVERING PRECURSOR METAL FOR SECONDARY CELL CATHODE MATERIAL USING SYNERGISTIC SOLVENT EXTRACTION APPLIED WITH EXTRACTANT DEGRADATION PREVENTING TECHNOLOGY

#14
20250263811
2025-08-21

SYSTEM AND PROCESS FOR PROGRESSIVE REFRACTORY ORE TRANSFORMATION FOR COPPER LEACHING

#15
20250219179
2025-07-03

Method and Facility for Preparing and Evaluating Batteries

#16
20250215527
2025-07-03

ELECTRODE MATERIAL LEACHING METHOD AND METHOD FOR SEPARATING COBALT AND NICKEL

#17
20250207220
2025-06-26

METHOD FOR PROCESSING BLACK MASS TO BATTERY CHEMICALS

#18
20250179612
2025-06-05

METHOD FOR REMOVING ALUMINUM

#19
20250179610
2025-06-05

EXTRACTION OF BASE METALS USING CARBONACEOUS MATTER AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT

#20
20250179607
2025-06-05

EXTRACTING BASE METALS USING A WETTING AGENT AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT

#21
20250146102
2025-05-08

OXIDATIVE LEACHING METHODS

#22
20250043383
2025-02-06

TREATMENT METHOD FOR ALLOY

#23
20250034454
2025-01-30

DISPERSION OF METAL SULFATES IN ACIDIC LEACHING SOLUTION

#24
20250011898
2025-01-09

A METHOD FOR IRON AND COPPER REMOVAL FROM SOLUTION USING METALLIC REAGENTS

#25
20250003027
2025-01-02

METHOD FOR PROCESSING ALLOY

#26
20240392408
2024-11-28

ALLOY TREATMENT METHOD

#27
20240368730
2024-11-07

METHOD FOR LEACHING COPPER USING PRESSURE LEACHING TECHNIQUE

#28
20240336992
2024-10-10

SELECTIVE LEACHING

#29
20240336991
2024-10-10

PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS

#30
20240336990
2024-10-10

PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS

#31
20240295006
2024-09-05

EXTRACTING BASE METALS USING A WETTING AGENT AND A THIOCARBONYL FUNCTIONAL GROUP REAGENT

#32
20240287644
2024-08-29

RECOVERY METHOD FOR VALUABLE METALS IN COPPER ANODE SLIME

#33
20240279770
2024-08-22

SEQUENTIAL TREATMENT PROCESS FOR THE HEAP LEACHING OF PRIMARY AND SECONDARY COPPER SULPHIDES

#34
20240274913
2024-08-15

Method for recovering waste lithium cobalt oxide battery

#35
20240274912
2024-08-15

EXTRACTION OF METALS FROM LITHIUM-ION BATTERY MATERIAL

#36
20240271249
2024-08-15

Heap Leaching an Ore

#37
20240167121
2024-05-23

PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS

#38
20240145805
2024-05-02

A METHOD FOR TARGET METAL REMOVAL VIA SULPHIDE PRECIPITATION

#39
20240141456
2024-05-02

PROCESS FOR LEACHING METAL SULFIDES WITH REAGENTS HAVING THIOCARBONYL FUNCTIONAL GROUPS

#40
20240035113
2024-02-01

Microbial-assisted Heap Leaching

#41
20230416150
2023-12-28

BINDER FOR AN AGGLOMERATION PROCESS

#42
20230411721
2023-12-21

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

#43
20230407435
2023-12-21

OXIDATIVE BIOLEACHING OF BASE METALS

#44
20230383378
2023-11-30

A CONTROL SYSTEM OF A COPPER EXTRACTION PROCESS

#45
20230332318
2023-10-19

CIRCULAR ELECTROCHEMICAL METAL RECOVERY

#46
20230331571
2023-10-19

WET PROCESS FOR RECOVERING VALUABLE METALS FROM LITHIUM BATTERY

#47
20230323505
2023-10-12

METHOD FOR EXTRACTION OF COINAGE METALS

#48
20230257852
2023-08-17

Extraction of base metals using carbonaceous matter and a thiocarbonyl functional group reagent

#49
20230235426
2023-07-27

EQUIPMENT AND METHOD FOR LEACHING COPPER, AND METHOD FOR PRODUCING ELECTROLYTIC COPPER USING SAID EQUIPMENT AND METHOD

#50
20230227936
2023-07-20

Extracting base metals using a wetting agent and a thiocarbonyl functional group reagent

#51
20230203618
2023-06-29

OXIDATIVE HEAP LEACHING OF BASE METALS

#52
20230076620
2023-03-09

Integrated pressure oxidative leach of copper sulphidic feed with copper heap leach

#53
20230037130
2023-02-02

Method for disposal of waste printed circuit board thermal cracking slag and smelting soot

#54
20220402030
2022-12-22

Processes for producing granular copper

#55
20220356544
2022-11-10

Solid-Liquid-Solid Hydrometallurgical Process Optimized to Increase the Solubilization of Metals from Ores and/or Concentrates in Acid-Chloride Medium

#56
20220320619
2022-10-06

METHOD FOR RECYCLING LITHIUM BATTERIES

#57
20220298600
2022-09-22

METHOD FOR PROCESSING ORE OR REFINING INTERMEDIATE

#58
20220290273
2022-09-15

Process for the recovery of metals from oxidic ores

#59
20220267879
2022-08-25

Method for whole component microwave fast digestion and precious metal extraction from ionic liquid of waste circuit board

#60
20220267877
2022-08-25

Co-processing of copper sulphide concentrate with nickel laterite ore

#61
20220205063
2022-06-30

Comprehensive recovery method of pyrolysis polymetallic product from waste integrated circuit board

#62
20220074018
2022-03-10

Process for the recovery of metals from polymetallic nodules

#63
20220042139
2022-02-10

Solid-liquid-solid method for the solubilisation of copper minerals and concentrates, independent of the redox potential and with low consumption of water and acid

#64
20220017989
2022-01-20

BATTERY RECYCLING PROCESS

#65
20220002838
2022-01-06

Solid-liquid-solid hydrometallurgical method for the solubilization of metals from sulfide copper minerals and/or concentrates

#66
20210347651
2021-11-11

Countercurrent process for recovering high purity copper sulfate values from low grade ores

#67
20210277497
2021-09-09

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

#68
20210262060
2021-08-26

METHOD FOR SEPARATING COPPER FROM NICKEL AND COBALT

#69
20210262059
2021-08-26

OPTIMIZED BIOPROCESSING METHOD

#70
20210198767
2021-07-01

Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups

#71
20210180154
2021-06-17

Method for separating copper, and nickel and cobalt

#72
20210172041
2021-06-10

BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES

#73
20210032723
2021-02-04

Method for dissolving metallogenically primary copper metals obtained from ores and/or chalcopyrite concentrates that contain same

#74
20200407821
2020-12-31

Efficient copper leaching using alkanesulfonic acids

#75
20200362435
2020-11-19

Method of extracting metals from polymetallic sulphide ores or concentrates

#76
20200340077
2020-10-29

Recovery of copper from heap leach residues

#77
20200277685
2020-09-03

RECOVERY METHOD FOR COPPER-INDIUM-GALLIUM-SELENIUM MATERIAL

#78
20200270724
2020-08-27

METHOD FOR RECYCLING COPPER INDIUM GALLIUM SELENIUM MATERIALS

#79
20200216327
2020-07-09

Method for separating copper from nickel and cobalt

#80
20200181737
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#81
20200181736
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#82
20200181735
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#83
20200181734
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#84
20200181733
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#85
20200181732
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#86
20200181731
2020-06-11

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#87
20200149132
2020-05-14

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#88
20200149131
2020-05-14

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#89
20200131047
2020-04-30

Process for the selective removal of copper compounds and other impurities with respect to molybdenum and rhenium, from molybdenite concentrates

#90
20200048736
2020-02-13

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#91
20200040428
2020-02-06

Separation of copper and molybdenum sulfides from pyrite using a sea water/desalinated water hybrid process

#92
20190352740
2019-11-21

Method and system for comprehensive recovery and utilization of copper-nickel sulfide ore

#93
20190345581
2019-11-14

Leaching copper-containing ores

#94
20190345580
2019-11-14

Leaching Copper-Containing Ores

#95
20190249273
2019-08-15

Renewable isoparaffins as diluent in hydrometallurgical liquid-liquid extraction process

#96
20190055624
2019-02-21

Heap leaching

#97
20190017146
2019-01-17

SINGLE STAGE PRESSURE LEACH HYDROMETALLURGICAL METHOD FOR UPGRADE OF COPPER CONCENTRATES

#98
20190010578
2019-01-10

METHOD FOR RECYCLING COPPER INDIUM GALLIUM SELENIUM MATERIALS

#99
20180363100
2018-12-20

Heap leaching

#100
20180363099
2018-12-20

Method of copper concentrate sulfation and leaching

#101
20180298466
2018-10-18

Low acidity, low solids pressure oxidative leaching of sulphidic feeds

#102
20180282887
2018-10-04

SOLVENT EXTRACTION AND STRIPPING SYSTEM

#103
20180282838
2018-10-04

Process for extraction of copper from arsenical copper sulfide concentrate

#104
20180258545
2018-09-13

EWS module device for electro-winning and/or electro-refining, interconnection process, and operating process thereof

#105
20180187287
2018-07-05

Method for leaching copper from copper sulfide ore

#106
20180135148
2018-05-17

Process for leaching metal sulfides with reagents having thiocarbonyl functional groups

#107
20180119247
2018-05-03

Agglomeration drum for pre-treating minerals

#108
20180112291
2018-04-26

Coalescing elements in copper production

#109
20180030573
2018-02-01

Process for extraction of copper from arsenical copper sulfide concentrate

#110
20180002781
2018-01-04

Method of leaching copper from copper sulfide ore and method of evaluating iodine loss content of column leaching test of the copper sulfide ore

#111
20170369968
2017-12-28

Methods for rapidly leaching chalcopyrite

#112
20170349972
2017-12-07

Heap leaching method

#113
20170335428
2017-11-23

Process for the improvement of copper leaching processes using calcium chloride

#114
20170335275
2017-11-23

COPPER SULPHIDE LEACHING IN FERROUS CHLORIDE MEDIUM WITH BACTERIA

#115
20170327962
2017-11-16

Direct electrowinning process with leaching solution

#116
20170321336
2017-11-09

ELECTROWINNING CIRCUIT AND METHOD FOR GATHERING OF METAL OF INTEREST BY AN IONIC EXCHANGE INTERFACE

#117
20170306442
2017-10-26

Hydrometallurgical process for the recovery of copper, lead or zinc

#118
20170275177
2017-09-28

System and method for controlling frothing during atmospheric leaching of metal sulphides using silicates

#119
20170241028
2017-08-24

Solvent extraction and stripping system

#120
20170175226
2017-06-22

Apparatus and Process for the Improved Economic Extraction of Metal from a Metal-Bearing Material

#121
20170159153
2017-06-08

Leaching aids and methods of using leaching aids

#122
20170152583
2017-06-01

Method of recovering base metals from low grade ores and residues

#123
20170009318
2017-01-12

Recovery of copper from arsenic-containing process feed

#124
20160304988
2016-10-20

COPPER PROCESSING METHOD

#125
20160258036
2016-09-08

Heap leaching of copper

#126
20160201162
2016-07-14

Activated semiconductor compounds having increased electrochemical reactivity and associated methods thereof

#127
20160145714
2016-05-26

Treatment process for extraction of precious, base and rare elements

#128
20160138128
2016-05-19

METHOD FOR BIOLEACHING A METAL PRESENT IN A MATERIAL

#129
20160122846
2016-05-05

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

#130
20160115568
2016-04-28

Method of recovering copper and precious metals

#131
20160115564
2016-04-28

Method for bioleaching and solvent extraction with selective recovery of copper and zinc from polymetal concentrates of sulfides

#132
20160115563
2016-04-28

Method for recovering metals

#133
20160002750
2016-01-07

Hydrometallurgical process for recovery of metals and/or semimetals from waste materials containing compound semiconductor materials and/or back contact materials and/or transparent electrically conducting oxides (TCOS)

#134
20150354025
2015-12-10

Methods of copper extraction

#135
20150337410
2015-11-26

Heap leaching

#136
20150329938
2015-11-19

Hydrometallurgical method for the removal of radionuclides from radioactive copper concentrates

#137
20150329937
2015-11-19

Process for recovery of copper from arsenic-bearing and/or antimony-bearing copper sulphide concentrates

#138
20150211092
2015-07-30

METHOD AND PROCESS FOR THE ENHANCED LEACHING OF COPPER SULFIDE MINERALS CONTAINING CHALCOPYRITE

#139
20150123030
2015-05-07

Method of leaching arsenic from ore comprising copper

#140
20140322106
2014-10-30

METHOD FOR THE TREATMENT OF ORE MATERIAL

#141
20140044618
2014-02-13

Process of gold and copper recovery from mixed oxide—sulfide copper ores

#142
20140023572
2014-01-23

Method of ore processing

#143
20130336857
2013-12-19

Sustainable process for reclaiming precious metals and base metals from e-waste

#144
20130209335
2013-08-15

Leaching process for copper concentrates containing chalcopyrite

#145
20130121910
2013-05-16

Controlled copper leach recovery circuit

#146
20120279357
2012-11-08

Leaching process for copper concentrates with a carbon catalyst

#147
20120125160
2012-05-24

Silica removal from pregnant leach solutions

#148
20120118110
2012-05-17

Methods and systems for leaching a metal-bearing ore for the recovery of a metal value

#149
20120103827
2012-05-03

METHOD FOR LEACHING CHALCOPYRITE CONCENTRATION

#150
20120060651
2012-03-15

Copper recovery circuit

#151
20120027652
2012-02-02

METATHETIC COPPER CONCENTRATE ENRICHMENT

#152
20120000318
2012-01-05

HIGH TEMPERATURE HEAP BIOLEACHING PROCESS

#153
20110303051
2011-12-15

Recovery of residual copper from heap leach residues

#154
20110277593
2011-11-17

Controlled metal leach recovery circuit

#155
20110229385
2011-09-22

Method of leaching copper sulfide ore

#156
20110217222
2011-09-08

Process for the acid digestion of metal-containing compounds

#157
20110201095
2011-08-18

Method of treating a sulphide mineral

#158
20110113928
2011-05-19

Leaching ores

#159
20110056331
2011-03-10

Leaching process for copper concentrates containing arsenic and antimony compounds

#160
20110041654
2011-02-24

Method of heap or dump leaching of copper from copper sulfide ore

#161
20110000337
2011-01-06

Silica removal from pregnant leach solutions

#162
20100319490
2010-12-23

Methods for improving the recovery of metal leaching agents

#163
20100313713
2010-12-16

Method of leaching copper sulfide ore

#164
20100282025
2010-11-11

Method For Metal Recovery and Leaching Agent Recycle in Agitation Leach Plants

#165
20100242681
2010-09-30

Method for concentration of gold in copper sulfide minerals

#166
20100206741
2010-08-19

Process for multiple stage direct electrowinning of copper

#167
20100180729
2010-07-22

Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals

#168
20100180727
2010-07-22

Method for the production of metal powder

#169
20100126314
2010-05-27

High temperature heap bioleaching process

#170
20100058894
2010-03-11

Methods and systems for leaching a metal-bearing ore for the recovery of a metal value

#171
20100031779
2010-02-11

Process for recovery of copper from copper-containing chloride media

#172
20100018349
2010-01-28

Method of leaching copper sulfide ore with the use of iodine

#173
20090293680
2009-12-03

Processing of Metal Values from Concentrates

#174
20090241734
2009-10-01

METHOD OF LEACHING COPPER SULFIDE ORES CONTAINING CHALCOPYRITE

#175
20090209027
2009-08-20

INTRODUCTION OF MICROORGANISMS IN BIO-ASSISTED HEAP LEACHING OPERATIONS

#176
20090173188
2009-07-09

Chloride heap leaching

#177
20090126532
2009-05-21

High temperature heap bioleaching process

#178
20090101518
2009-04-23

Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction

#179
20090078087
2009-03-26

PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS

#180
20090078086
2009-03-26

Method for recovering copper from a copper sulphide ore

#181
20090074640
2009-03-19

Silica removal from pregnant leach solutions

#182
20090074639
2009-03-19

Controlled copper leach recovery circuit

#183
20090071839
2009-03-19

Process for multiple stage direct electrowinning of copper

#184
20090019970
2009-01-22

PROCESS FOR RECOVERY OF METAL VALUES FROM MATERIALS CONTAINING ARSENIC AND/OR ANTIMONY

#185
20080241024
2008-10-02

Method for Leaching Metal Sulphide Minerals

#186
20080216606
2008-09-11

METHOD FOR RECOVERY OF METALS FROM METAL-CONTAINING MATERIALS USING MEDIUM TEMPERATURE PRESSURE LEACHING

#187
20080196546
2008-08-21

Use of non-ionic surfactants in the production of metals

#188
20080173132
2008-07-24

INTEGRATED HYDROMETALLURGICAL AND PYROMETALLURGICAL PROCESSING OF BASE-METAL SULPHIDES

#189
20080127779
2008-06-05

Process to increase the bioleaching speed of ores or concentrates of sulfide metal species, by means of continuous inoculation with leaching solution that contains isolated microorganisms, with or without presence of native microorganisms

#190
20080050293
2008-02-28

Ore leach method with aqueous sulfuric acid containing ferric ions

#191
20080026450
2008-01-31

Method of leaching copper sulfide ores containing chalcopyrite

#192
20080025890
2008-01-31

Use of surfactants in the production of metal

#193
20080023342
2008-01-31

Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solution extraction

#194
20070264703
2007-11-15

Microorganism and Method for Leaching Mineral Sulphides

#195
20070202584
2007-08-30

Chloride ion-resistant sulfur-oxidizing bacteria

#196
20070125199
2007-06-07

High temperature heap bioleaching process

#197
20070042482
2007-02-22

Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals

#198
20070039420
2007-02-22

Method for improving metals recovery using high temperature pressure leaching

#199
20060272454
2006-12-07

Method for producing concentrates

#200
20060248983
2006-11-09

Heap leach

#201
20060207389
2006-09-21

Method for smelting copper concentrates

#202
20060196313
2006-09-07

METHOD FOR RECOVERING COPPER FROM COPPER-CONTAINING MATERIALS USING DIRECT ELECTROWINNING

#203
20060193762
2006-08-31

Catalyzed dissolution of copper from sulfur-containing copper minerals

#204
20060191377
2006-08-31

METHOD FOR PROCESSING ELEMENTAL SULFUR-BEARING MATERIALS USING HIGH TEMPERATURE PRESSURE LEACHING

#205
20060144717
2006-07-06

Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction

#206
20060144716
2006-07-06

Process for multiple stage direct electrowinning of copper

#207
20060117908
2006-06-08

Processes for recovering metals from ores using organic solvent extraction and aqueous stripping at selected temperature differentials

#208
20060035356
2006-02-16

Introduction of microorganisms in bio-assisted heap leaching operations

#209
20050269208
2005-12-08

Leaching process for copper concentrates

#210
20050211019
2005-09-29

Heap leach process

#211
20050193863
2005-09-08

Selective reduction of cupriferous calcine

#212
20050188791
2005-09-01

Process to recover base metals

#213
20050169823
2005-08-04

Procedure to leach copper concentrates, under pressure and at ambient temperature, by forming a reactive gel in a sulfate-chloride medium

#214
20050155459
2005-07-21

Method for processing elemental sulfur-bearing materials using high temperature pressure leaching

#215
20050155458
2005-07-21

Method for improving metals recovery using high temperature pressure leaching

#216
20050126923
2005-06-16

Process for recovery of copper from copper-bearing material using medium temperature pressure leaching, direct electrowinning and solvent/solution extraction

#217
20050109163
2005-05-26

Process for multiple stage direct electrowinning of copper

#218
20050103162
2005-05-19

High temperature heap bioleaching process

#219
20050031512
2005-02-10

Methods for improving the recovery of metal leaching agents

#220
18547565
2024-03-12

Method for producing aqueous solution containing nickel or cobalt