ClassID:

119238

C22B3/04 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260139340
2026-05-21

SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS

#2
20260131290
2026-05-14

MANTLE, COVER OR SHEET FOR THE DISTRIBUTION AND/OR EXTRACTION OF A FLOW TO AND/OR FROM A LEACHING PILE

#3
20260110372
2026-04-23

AUTOMATIC SHEETING-AND-TUBING LAYING ATTACHMENT

#4
20260110049
2026-04-23

CRUSHING, DISSOLUTION, AND SEPARATION TECHNIQUES FOR LITHIUM-BEARING MATERIALS

#5
20260108826
2026-04-23

RARE EARTH ELEMENT EXTRACTION AND RECYCLING

#6
20260092341
2026-04-02

METHODS AND APPARATUS FOR PRODUCTION OF RARE EARTH ELEMENTS FROM COAL AND CLAY ORES

#7
20260091986
2026-04-02

METHOD FOR IMPROVING PARTICLE SIZE AND MORPHOLOGY OF NEUTRALIZER FOR LATERITE NICKEL ORE HYDROMETALLURGY

#8
20260028696
2026-01-29

GLOBAL PROCESS FOR OBTAINING LITHIUM SULFATE MONOHYDRATE ORE WITH LOW CONTENTS OF IMPURITIES ASSOCIATED WITH CHLORINE AND MAGNESIUM

#9
20260015691
2026-01-15

METHODS OF MAKING UPGRADED SYNTHETIC RUTILE

#10
20260011806
2026-01-08

METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY

#11
20260009103
2026-01-08

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#12
20250388994
2025-12-25

METHOD FOR EXTRACTING LITHIUM FROM LITHIUM-CONTAINING MATERIAL

#13
20250388993
2025-12-25

HEAP LEACHING

#14
20250357567
2025-11-20

METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY BATTERIES

#15
20250333815
2025-10-30

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#16
20250313918
2025-10-09

BENEFICATION OF MANGANESE-BEARING ORE

#17
20250305075
2025-10-02

EXTRACTION OF ELEMENTS AND/OR COMPOUNDS FROM IRON-CONTAINING MATERIALS SUCH AS IRON-CONTAINING TAILINGS, RECOVERY OF MAGNETICALLY SUSCEPTIBLE MATERIALS, AND RELATED SYSTEMS AND PRODUCTS

#18
20250276330
2025-09-04

VANADIUM RECOVERY

#19
20250270675
2025-08-28

Process and apparatus for recovering rare earth elements from coal refuse

#20
20250270669
2025-08-28

METHOD FOR IRRIGATING A POROUS SUBSTRATE USING A FOAM, AND THE USES THEREOF

#21
20250264870
2025-08-21

SYSTEM AND METHOD FOR DETERMINING CHANGES TO A HEAT PROFILE OF A STOCKPILE

#22
20250263847
2025-08-21

CALCIUM HYDROXIDE PRECIPITATION IN AN ELECTROLYTIC REACTOR WITH HYDRODYNAMIC SEPARATION

#23
20250263812
2025-08-21

METHOD AND APPARATUS FOR PRODUCING TREATED BRINE COMPOSITION WITH REDUCED HYDROGEN SULFIDE

#24
20250262609
2025-08-21

PREPARATION METHOD FOR HIGH-ADSORPTION-CAPACITY GRANULAR TITANIUM-BASED LITHIUM ION SIEVE ADSORBENT

#25
20250253426
2025-08-07

BATTERY RECYCLING

#26
20250236927
2025-07-24

METAL-DISSOLVING APPARATUS, PROCESSES, AND USES THEREOF

#27
20250226473
2025-07-10

METHODS FOR PURIFYING AND RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES

#28
20250223665
2025-07-10

SYSTEMS AND METHODS FOR IMPROVEMENT OF METAL RECOVERY AND STABILITY OF PILES

#29
20250137094
2025-05-01

ALKALI MICROWAVE EXTRACTION

#30
20250109456
2025-04-03

METHOD OF EXTRACTING LITHIUM FROM SPODUMENE AND MEANWHILE RECOVERING LOW IRON AND LOW SULFUR SILICON ALUMINUM MICRO-POWDER, HIGH PURITY GYPSUM, TANTALUM NIOBIUM CONCENTRATE AND LITHIUM RICH IRON MATERIAL

#31
20250092488
2025-03-20

Leaching Method

#32
20250066878
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL METAL RECOVERY FROM RAW MATERIALS CONTAINING NICKEL

#33
20250066877
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR NICKEL HYDROXIDE RECOVERY FROM RAW MATERIALS CONTAINING NICKEL

#34
20250066876
2025-02-27

ALL-IN-ONE NICKEL RECOVERING METHOD FOR RECOVERY OF NICKEL OXIDE FROM RAW MATERIALS CONTAINING NICKEL

#35
20250066873
2025-02-27

GEOTHERMALLY POWERED PYROMETALLURGICAL COPPER PRODUCTION

#36
20250059623
2025-02-20

Geothermally Powered Hydrometallurgical Zinc Production

#37
20250027183
2025-01-23

PROCESSING OF MINING FEEDSTOCKS USING KINETIC PULVERIZATION AND SEPARATION

#38
20250011900
2025-01-09

METHOD FOR RECYCLING IRON ORE TAILING AND USE THEREOF

#39
20240417825
2024-12-19

PROCESS FOR CONCENTRATING LITHIUM AND POTASSIUM FROM CLAYS FROM SALT FLATS

#40
20240410032
2024-12-12

CARBON DIOXIDE BASED MINING FOR CARBON NEGATIVE MINERAL RECOVERY

#41
20240384372
2024-11-21

COAL AND RARE EARTH RECOVERY METHOD AND SYSTEM

#42
20240384369
2024-11-21

COMPOSITIONS AND METHODS FOR LITHIUM REMOVAL

#43
20240352553
2024-10-24

METHOD OF LEACHING METAL-CONTAINING MATERIALS

#44
20240344175
2024-10-17

PROCESSES FOR RECOVERING METALS FROM BLACK MASS

#45
20240327948
2024-10-03

AUTOMATED METHOD AND DEVICE FOR PRODUCTION OF LEAD 212 FOR USE IN TARGETED ALPHA-PARTICLE THERAPY

#46
20240287641
2024-08-29

ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING

#47
20240279770
2024-08-22

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

#48
20240240284
2024-07-18

METHOD FOR EXTRACTING LITHIUM FROM CATHOD ACTIVE MATERIALS IN SPENT LITHIUM-ION BATTERIES USING NEUTRAL AQUEOUS SOLUTION AND METHOD FOR SELECTIVELY EXTRACTING LITHIUM FROM CATHOD ACTIVE MATERIALS IN SPENT LITHIUM-ION BATTERIES USING CARBONATED WATER

#49
20240194962
2024-06-13

SYSTEMS AND METHODS FOR CLOSED-LOOP RECYCLING OF A LIQUID COMPONENT OF A LEACHING MIXTURE WHEN RECYCLING LEAD FROM SPENT LEAD-ACID BATTERIES

#50
20240170749
2024-05-23

LITHIUM RECOVERY FROM LITHIUM-ION BATTERIES

#51
20240150865
2024-05-09

HYDROMETALLURGICAL METHOD FOR RECOVERING LITHIUM FROM LITHIUM-CONTAINING MINERAL AND LITHIUM AQUEOUS SOLUTION RECOVERED THEREFROM

#52
20240132998
2024-04-25

Lithium Extraction Process and Apparatus

#53
20240110258
2024-04-04

AUTOCLAVE AND PRESSURE OXIDATION METHOD

#54
20240102130
2024-03-28

Lithium extraction process and apparatus

#55
20240084416
2024-03-14

RECOVERY OF METAL FROM LEACH PROCESSING

#56
20240076548
2024-03-07

METHOD FOR RECYCLING HYDROPHOBIC DEEP EUTECTIC SOLVENT AND NICKEL LEACHING METHOD

#57
20240068113
2024-02-29

METHODS FOR TREATING LITHIUM-CONTAINING MATERIALS

#58
20240026493
2024-01-25

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#59
20240026492
2024-01-25

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#60
20240021905
2024-01-18

Methods for purifying and recycling lead from spent lead-acid batteries

#61
20240002977
2024-01-04

PROCESS FOR GOLD AND/OR PLATINUM GROUP METALS HEAP LEACHING WITH LIME

#62
20230418269
2023-12-28

SYSTEM AND METHOD FOR DETERMINING CHANGES TO A HEAT PROFILE OF A STOCKPILE

#63
20230399719
2023-12-14

PROCESS FOR RECOVERING PRECIOUS METAL FROM AN AQUEOUS SOLUTION

#64
20230374623
2023-11-23

ULTRAFAST FLASH JOULE HEATING SYNTHESIS METHODS AND SYSTEMS FOR PERFORMING SAME

#65
20230349023
2023-11-02

Systems and methods for improvement of metal recovery and stability of piles

#66
20230332274
2023-10-19

RECOVERING RARE EARTH ELEMENTS AND OTHER TRACE METALS FROM CARBON-BASED ORES

#67
20230295770
2023-09-21

METHOD FOR RECOVERING LITHIUM AND METHOD FOR PRODUCING LITHIUM CARBONATE

#68
20230249100
2023-08-10

SUPERCRITICAL FLUID-ENHANCED SELECTIVE EXTRACTION OF RARE EARTH ELEMENTS

#69
20230227935
2023-07-20

HEAP LEACHING

#70
20230227934
2023-07-20

SYSTEMS AND METHODS FOR MONITORING METAL RECOVERY SYSTEMS

#71
20230193422
2023-06-22

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

#72
20230147263
2023-05-11

SULPHIDE OXIDATION IN LEACHING OF MINERALS

#73
20230124458
2023-04-20

Process of Rare Earth Recovery from Ores Containing Bastnaesite

#74
20230104457
2023-04-06

METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION SECONDARY BATTERY

#75
20230080642
2023-03-16

METHODS FOR TREATING LITHIUM-CONTAINING MATERIALS

#76
20220372592
2022-11-24

METHOD FOR EXTRACTING LITHIUM BY MEANS OF EXTRACTION-BACK EXTRACTION SEPARATION AND PURIFICATION

#77
20220349024
2022-11-03

PROCESSING GOLD-CONTAINING ORES

#78
20220259695
2022-08-18

Systems and methods for monitoring metal recovery systems

#79
20220170134
2022-06-02

Lithium extraction process and apparatus

#80
20220145420
2022-05-12

METHOD AND DEVICE FOR RECOVERING METAL BY LEACHING

#81
20220144660
2022-05-12

Generation of rare earth elements from organically-associated leach solutions

#82
20220119917
2022-04-21

METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM SILICATE-CONTAINING ORE

#83
20220105444
2022-04-07

METHODS AND APPARATUS FOR COUNTER-CURRENT LEACHING OF FINELY DIVIDED SOLIDS

#84
20220081737
2022-03-17

POND REACTOR FOR RECOVERY OF METALS

#85
20220017991
2022-01-20

Method of producing lithium hydroxide from lithium concentrate through sodium sulfate addition and roasting

#86
20210363648
2021-11-25

Methods for treating lithium-containing materials

#87
20210351450
2021-11-11

Battery recycling

#88
20210285071
2021-09-16

APPARATUS, METHOD AND SYSTEM FOR MONITORING

#89
20210280923
2021-09-09

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#90
20210262059
2021-08-26

OPTIMIZED BIOPROCESSING METHOD

#91
20210238708
2021-08-05

Systems and methods for monitoring metal recovery systems

#92
20210215646
2021-07-15

Material and its method for rapid eluting in an ionic rare earth ore leaching site

#93
20210062294
2021-03-04

Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides

#94
20210017038
2021-01-21

Process for obtaining vanadium oxide from a gasifier slag field

#95
20200411921
2020-12-31

Methods for purifying and recycling lead from spent lead-acid batteries

#96
20200377969
2020-12-03

Carbothermic direct reduction of chromite using a catalyst for the production of ferrochrome alloy

#97
20200332389
2020-10-22

Reactor for gas-liquid mass transfer

#98
20200324222
2020-10-15

Methods and apparatus for counter-current leaching of finely divided solids

#99
20200308667
2020-10-01

Method for recovering valuable elements from precombustion coal-based materials

#100
20200235443
2020-07-23

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#101
20200190627
2020-06-18

Method for decomposing medium-/low-grade scheelite

#102
20200165702
2020-05-28

Method for pre-treatment of gold-bearing oxide ores

#103
20200157655
2020-05-21

PROCESSING METHODS AND PROCESSING APPARATUS

#104
20200115807
2020-04-16

Methods for treating lithium-containing materials

#105
20200088010
2020-03-19

System and methods for in situ recovery and processing of recovered solutions

#106
20200087184
2020-03-19

Sequestration of macronutrients from anaerobic wastewater treatment with iron- and steel-making slags

#107
20190360069
2019-11-28

Ionic liquid solvents of perhalide type for metals and metal compounds

#108
20190309389
2019-10-10

Process for separation of antimony and arsenic from a leach solution

#109
20190276330
2019-09-12

Processes and systems for regenerating alkali process streams

#110
20190232272
2019-08-01

Ion exchange resins selective for the complexation of univalent anions in aqueous solutions

#111
20190136340
2019-05-09

Hydrometallurgical process and method for recovering metals

#112
20190119781
2019-04-25

Systems and methods for monitoring metal recovery systems

#113
20190100823
2019-04-04

System and method for above-atmospheric leaching of metal sulfides

#114
20190060797
2019-02-28

Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching

#115
20190055624
2019-02-21

Heap leaching

#116
20190055623
2019-02-21

Method for recovering gold

#117
20190032169
2019-01-31

Systems and methods for improvement of metal recovery and stability of piles

#118
20180369869
2018-12-27

Beneficiation of values from ores with a heap leach process

#119
20180369718
2018-12-27

Removal of organic solvents from aqueous process streams

#120
20180363100
2018-12-20

Heap leaching

#121
20180340264
2018-11-29

METHODS AND SYSTEMS FOR CONTROLLING IMPURITY METAL CONCENTRATION DURING METALLURGIC PROCESSES

#122
20180298466
2018-10-18

Low acidity, low solids pressure oxidative leaching of sulphidic feeds

#123
20180282840
2018-10-04

Recovery of scandium values through selective precipitation of hematite and basic iron sulfates from acid leachates

#124
20180274057
2018-09-27

Systems and methods for monitoring metal recovery systems

#125
20180266074
2018-09-20

System for recovering minerals from the seabed

#126
20180162741
2018-06-14

METHOD OF REMOVING YTTRIUM FROM YTTRIUM-CONTAINING EUROPIUM OXIDE

#127
20180119252
2018-05-03

Selective separation of elements or commodities of interest in aqueous streams

#128
20180112288
2018-04-26

Stabilization process for an arsenic solution

#129
20180030572
2018-02-01

Method for pre-treatment of gold-bearing oxide ores

#130
20180016684
2018-01-18

Electrolytic system for precipitating metals and regenerating the oxidising agents used in the leaching of metals, scrap metal, metal sulphurs, sulphide minerals, raw materials containing metals from solutions from leaching, including a process for combining the precipitation and the oxidation in a single step, eliminating the steps of filtration, washing, transportation and manipulation of highly toxic reagents

#131
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

#132
20170369968
2017-12-28

Methods for rapidly leaching chalcopyrite

#133
20170356066
2017-12-14

Method for recovering gold from activated carbon

#134
20170356065
2017-12-14

Systems and methods for monitoring metal recovery systems

#135
20170356063
2017-12-14

Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides

#136
20170338531
2017-11-23

Systems and methods for purifying and recycling lead from spent lead-acid batteries

#137
20170338530
2017-11-23

Methods for purifying and recycling lead from spent lead-acid batteries

#138
20170306442
2017-10-26

Hydrometallurgical process for the recovery of copper, lead or zinc

#139
20170306440
2017-10-26

Process for metal extraction with sorption leaching in wet solids

#140
20170283908
2017-10-05

System and method for enhanced metal recovery during atmospheric leaching of metal sulfides

#141
20170275733
2017-09-28

METHOD FOR PLATINUM RECOVERY FROM MATERIALS CONTAINING RHENIUM AND PLATINUM METALS

#142
20170275177
2017-09-28

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

#143
20170117597
2017-04-27

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#144
20170114429
2017-04-27

Method for platinum recovery from materials containing rhenium and platinum metals

#145
20170081202
2017-03-23

Method for recovering cyanide from a barren solution

#146
20170073244
2017-03-16

Method for processing packing material to recover aluminium

#147
20170072440
2017-03-16

Systems and methods for changing the chemistry in heaps, piles, dumps and components

#148
20170037493
2017-02-09

Utilization of temperature heat adsorption skin temperature as scale control reagent driver

#149
20160355905
2016-12-08

METHOD FOR TREATING SULFIDE-FREE MINERALS

#150
20160354770
2016-12-08

Ion exchange resins selective for the complexation of univalent anions in aqueous solutions

#151
20160340756
2016-11-24

Process for separation of at least one metal sulfide from a mixed sulfide ore or concentrate

#152
20160310956
2016-10-27

Process for recovering value metals from ore

#153
20160298209
2016-10-13

Leach aid for metal recovery

#154
20160289795
2016-10-06

Systems and processes for recovering scandium values from laterite ores

#155
20160265083
2016-09-15

Processing methods and processing apparatus

#156
20160230249
2016-08-11

Method for neutralizing sulfuric acid acidic solution and hydrometallurgical method for nickel oxide ore

#157
20160221833
2016-08-04

Method and System for Preparing High Purity Lithium Carbonate

#158
20160218403
2016-07-28

Method and apparatus for recovering sodium from sodium-sulfur battery

#159
20160194733
2016-07-07

Producing a titanium product

#160
20160186288
2016-06-30

Energy and water recovery from pressure oxidation flash vessel steam

#161
20160160312
2016-06-09

Hydrometallurgical System and Process Using an Ion Transport Membrane

#162
20160153070
2016-06-02

Systems and methodologies for direct acid leaching of scandium-bearing ores

#163
20160145715
2016-05-26

Treatment process for recovery and separation of elements from liquors

#164
20160108497
2016-04-21

Methods of producing a titanium product

#165
20150368755
2015-12-24

Method for producing a solid scandium-containing material of enhanced scandium content

#166
20150368749
2015-12-24

Systems and methods for isolating a particulate product when recycling lead from spent lead-acid batteries

#167
20150368748
2015-12-24

Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries

#168
20150368747
2015-12-24

Methods for purifying and recycling lead from spent lead-acid batteries

#169
20150367311
2015-12-24

Systems and methods for purifying and recycling lead from spent lead-acid batteries

#170
20150367309
2015-12-24

METHOD AND ARRANGEMENT FOR REDUCING AUTOFLASH AND SLURRY CARRYOVER IN AUTOCLAVE FLASH SYSTEMS

#171
20150367255
2015-12-24

Method and apparatus for liquid/solid separation such as dewatering particulate solids and agitation leaching

#172
20150337410
2015-11-26

Heap leaching

#173
20150329933
2015-11-19

Top-entry flash vessel arrangement

#174
20150322545
2015-11-12

Apparatus and method for stripping solder metals during the recycling of waste electrical and electronic equipment

#175
20150322544
2015-11-12

Brine leaching process for recovering valuable metals from oxide materials

#176
20150322540
2015-11-12

Apparatus and method for stripping solder metals during the recycling of waste electrical and electronic equipment

#177
20150292057
2015-10-15

Method for metal production

#178
20150275327
2015-10-01

Systems and methods for recovery of metals and components

#179
20150252486
2015-09-10

Methods and systems for controlling impurity metal concentration during metallurgic processes

#180
20150247218
2015-09-03

Hydrometallurgical process using multi-stage nanofiltration

#181
20150203935
2015-07-23

Metal leach and recovery process

#182
20150197826
2015-07-16

Hydrometallurgical process and method for recovering metals

#183
20150167117
2015-06-18

SYSTEM AND METHOD FOR IMPROVED LEACH STOCKPILE DRAINAGE

#184
20150152521
2015-06-04

Autoclave apparatus used during high-pressure acid leaching process

#185
20150145183
2015-05-28

Flash vessel and method for operating same

#186
20150098883
2015-04-09

Application of lactam as solvent in nanomaterial preparation

#187
20150086449
2015-03-26

Method of recovering rare-earth elements

#188
20150059528
2015-03-05

Method for extracting and separating rare-earth element

#189
20150053572
2015-02-26

Hydrometallurgical process for the recovery of tellurium from high lead bearing copper refinery anode slime

#190
20150044112
2015-02-12

Method for operating flash vessel

#191
20150027955
2015-01-29

Utilization of temperature heat adsorption skin temperature as scale control reagent driver

#192
20150023850
2015-01-22

Neutralization method and neutralization plant

#193
20150023849
2015-01-22

Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore

#194
20140367899
2014-12-18

Vertical drainage system for heap leach piles

#195
20140356225
2014-12-04

Method for pre-treatment of gold-bearing oxide ores

#196
20140322108
2014-10-30

Treatment of sulphidic materials

#197
20140255694
2014-09-11

Methods to recover cesium or rubidium from secondary ore

#198
20140255278
2014-09-11

Methods to recover cesium or rubidium from secondary ore

#199
20140212346
2014-07-31

Process of leaching precious metals

#200
20140065037
2014-03-06

Treatment of indium gallium alloys and recovery of indium and gallium

#201
20130247719
2013-09-26

Heap leaching

#202
20130239752
2013-09-19

Method of leaching copper ore

#203
20130125709
2013-05-23

Metals recovery from mining heap leach ore

#204
20130106001
2013-05-02

Heap leaching aeration system

#205
20130008856
2013-01-10

Method For Controlling Solids/Liquid Decant Unit Operations And Systems

#206
20130001093
2013-01-03

METHOD AND APPARATUS FOR ELECTROWINNING COPPER USING AN ATMOSPHERIC LEACH WITH FERROUS/FERRIC ANODE REACTION ELECTROWINNING

#207
20120301392
2012-11-29

Heap leaching

#208
20120297928
2012-11-29

Heap leach operations

#209
20120137831
2012-06-07

Method and apparatus for leaching metal from mining ore

#210
20120128554
2012-05-24

Methods for agglomerating ores

#211
20120090430
2012-04-19

Ionic liquid solvents of perhalide type for metals and metal compounds

#212
20120011967
2012-01-19

METALS RECOVERY FROM MINING HEAP LEACH ORE

#213
20110298270
2011-12-08

IN SITU ORE LEACHING USING FREEZE BARRIERS

#214
20110182786
2011-07-28

Hydrometallurgical process and method for recovering metals

#215
20110143296
2011-06-16

Method and apparatus for temperature control in a reactor vessel

#216
20100226837
2010-09-09

PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS

#217
20100116091
2010-05-13

System and Method for Leaching a Metal from a Base Mineral Rock

#218
20090293679
2009-12-03

Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating

#219
20090230207
2009-09-17

Hybrid irrigation system

#220
20090209027
2009-08-20

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