ClassID:

119323

C22B11/04 - CPC Classification

Classification description:

Obtaining noble metals by wet processes

Sub-classes:
Recent Application in this class:
#1
20260085379
2026-03-26

TOTAL CARBONACEOUS MATERIAL CHARACTERIZATION (TCM) METHODOLOGIES

#2
20260071297
2026-03-12

GOLD RECOVERY SYSTEM AND RECOVERY METHOD THEREOF FROM GOLD SEPARATION SOLUTION

#3
20260002228
2026-01-01

MULTI-STAGED HIGH TEMPERATURE PRESSURE OXIDATION PROCESS FOR DOUBLE REFRACTORY PRECIOUS METAL-CONTAINING MATERIALS

#4
20250375776
2025-12-11

ENVIRONMENTALLY-FRIENDLY SURFACTANTS FOR MINERAL BENEFICIATION

#5
20250297394
2025-09-25

CYCLONIC ELECTROLYTIC RECOVERED REDUCED PLATINUM AND WATER ELECTROLYSIS METHOD USING THE SAME

#6
20250290214
2025-09-18

CYCLONE HIGH-SPEED ELECTROLYZER USING HIGH-SPEED TURBULENCE, METHOD FOR RECOVERING VALUABLE METALS USING THE SAME, AND VALUABLE METALS RECOVERED THEREFROM

#7
20250249506
2025-08-07

LIGHT-DRIVEN SYNTHESIS OF PLASMONIC NANOPARTICLES AND NANOMATERIALS

#8
20250230520
2025-07-17

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

#9
20250215525
2025-07-03

METHOD FOR RECOVERING PLATINUM GROUP ELEMENT

#10
20250207219
2025-06-26

The Use of Cyanogenic Bacteria to Leach Gold

#11
20250197964
2025-06-19

PRECIOUS METALS RECOVERY

#12
20250179608
2025-06-05

METHOD FOR RECOVERING METAL FROM METAL ELEMENT-CONTAINING SUBSTANCE

#13
20250171874
2025-05-29

PRINCIPLES OF OPERATION AND CONTROL OF OXIDIZER IN COUNTERCURRENT LEACHING CONFIGURATIONS

#14
20250162976
2025-05-22

PLATINUM-GROUP METAL RECOVERY AGENT AND PLATINUM-GROUP METAL RECOVERY METHOD

#15
20250128236
2025-04-24

CROSSLINKED STRUCTURE, METAL-TRAPPING MATERIAL INCLUDING SAID CROSSLINKED STRUCTURE, METHOD FOR RECOVERING METAL USING SAID METAL-TRAPPING MATERIAL, AND METHOD FOR MANUFACTURING SAID CROSSLINKED STRUCTURE

#16
20250109455
2025-04-03

METHOD FOR THE SELECTIVE RECOVERY OF GOLD, PLATINUM, AND PALLADIUM USING DUAL ORGANIC SOLVENT EXTRACTION.

#17
20250092488
2025-03-20

Leaching Method

#18
20250092487
2025-03-20

METHODS FOR LIBERATING PRECIOUS METALS USING A REAGENT HAVING A THIOCARBONYL FUNCTIONAL GROUP

#19
20250066872
2025-02-27

HEAPS FOR HEAP LEACHING

#20
20250058299
2025-02-20

Chromatographic Separation of Rare-Earth Elements

#21
20250051875
2025-02-13

HYDROGEN-BASED VALORISATION OF METAL-CONTAINING FEED MATERIALS TO EXTRACT METALS

#22
20250043387
2025-02-06

MATERIALS AND METHODS FOR INCREASING GOLD RECOVERY FROM LEACHATE SOLUTIONS

#23
20240425948
2024-12-26

EFFICIENT RECYCLING OF E-WASTE BY ENERGY LANDSCAPE INVERSION

#24
20240417824
2024-12-19

SOLVENTS AND METHODS FOR LEACHING PRECIOUS METALS

#25
20240417822
2024-12-19

Alkaline Oxidation Methods and Systems for Recovery of Metals from Ores

#26
20240384368
2024-11-21

METAL RECOVERY MATERIAL, AND METHOD FOR RECOVERING METAL FROM SOLUTION INCLUDING METAL ION OR METAL COMPLEX ION

#27
20240376567
2024-11-14

PRECIOUS METALS RECOVERY

#28
20240376566
2024-11-14

HYDROMETALLURGICAL TREATMENT OF ORES OR CONCENTRATES FOR REMOVAL OF PREG-ROBBING ORGANIC CARBON MATERIAL

#29
20240376564
2024-11-14

BIO-LEACHING COMPOSITIONS AND METHODS FOR MINING METALS

#30
20240375084
2024-11-14

SUPRAMOLECULAR GOLD STRIPPING FROM ACTIVATED CARBON USING ALPHA-CYCLODEXTRIN

#31
20240368727
2024-11-07

METHOD OF SELECTIVE PRECIPITATION OF METALS USING AMIDE COMPOUNDS

#32
20240368726
2024-11-07

THIODIGLYCOLAMIC ACID EXTRACTANT, AND PREPARATION METHOD AND USE THEREOF

#33
20240368725
2024-11-07

COMPOSITIONS AND METHODS FOR BIOLOGICAL PRODUCTION AND HARVEST OF PRECIOUS METALS, PLATINUM GROUP ELEMENTS, AND RARE EARTH ELEMENTS

#34
20240344169
2024-10-17

METAL RECOVERING METHOD

#35
20240344168
2024-10-17

METAL RECOVERY APPARATUS AND METAL RECOVERY METHOD

#36
20240287641
2024-08-29

ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING

#37
20240229191
2024-07-11

APPLICATION OF CUPROUS SULFIDE IN RECOVERY OF AU (III) FROM AQUEOUS SOLUTIONS

#38
20240200163
2024-06-20

Method for Recovering Metal

#39
20240183003
2024-06-06

IN-SITU GENERATION OF THIOSULPHATE LIXIVIANT SYSTEMS AND METHODS FOR PRECIOUS METAL LEACHING AND RECOVERY

#40
20240181429
2024-06-06

MODIFIED POLYAMINES GRAFTED TO A PARTICULATE, SOLID SUPPORT AS SORBENT MATERIALS FOR REMOVAL OF TARGET SUBSTANCES FROM FLUIDS

#41
20240132996
2024-04-25

Application of cuprous sulfide in recovery of Au (III) from aqueous solutions

#42
20240124329
2024-04-18

MATERIALS AND METHODS FOR EXTRACTION OF PRECIOUS METALS USING GRAPHENE OXIDE COMPOSITES

#43
20240002971
2024-01-04

DIRECT LEACHING FROM SULFIDIC REFRACTORY ORES OR CONCENTRATES

#44
20230416872
2023-12-28

PRECIOUS METALS RECOVERY

#45
20230416871
2023-12-28

Method for Extracting and Recovering Gold from Aqueous Solution

#46
20230416866
2023-12-28

Metal Recovery Agent, Metal Compound Recovery Agent, and Method for Recovering Metal or Metal Compound

#47
20230399719
2023-12-14

PROCESS FOR RECOVERING PRECIOUS METAL FROM AN AQUEOUS SOLUTION

#48
20230339023
2023-10-26

Light-driven synthesis of plasmonic nanoparticles and nanomaterials

#49
20230330749
2023-10-19

COMPOSITION AND METHOD

#50
20230323505
2023-10-12

METHOD FOR EXTRACTION OF COINAGE METALS

#51
20230313336
2023-10-05

Method for carbon-catalysed thiosulfate leaching of gold-bearing materials

#52
20230272506
2023-08-31

AN INTEGRATED HEAP LEACH PROCESS

#53
20230250510
2023-08-10

RECOVERY OF PRECIOUS AND CHALCOPHILE METALS

#54
20230193418
2023-06-22

SULPHIDE OXIDATION IN LEACHING OF MINERALS

#55
20230175098
2023-06-08

METAL REFINEMENT

#56
20230151454
2023-05-18

PROCESS FOR THE RECOVERY OF GOLD FROM CARBON FINES WASTE

#57
20230147263
2023-05-11

SULPHIDE OXIDATION IN LEACHING OF MINERALS

#58
20230133292
2023-05-04

HIGH-EFFICIENCY GOLD RECOVERY WITH CUCURBIT[6]URIL

#59
20230083521
2023-03-16

PLATINUM-GROUP METAL RECOVERY METHOD, COMPOSITION CONTAINING PLATINUM-GROUP METALS, AND CERAMIC MATERIAL

#60
20230077051
2023-03-09

MULTI-STAGED HIGH TEMPERATURE PRESSURE OXIDATION PROCESS FOR DOUBLE REFRACTORY PRECIOUS METAL-CONTAINING MATERIALS

#61
20230022267
2023-01-26

PRECIOUS METAL RECOVERY FROM CARBON FINES

#62
20230002923
2023-01-05

RECOVERY OF NOBLE METALS

#63
20220396851
2022-12-15

METHOD FOR PRODUCING COPPER METAL FROM COPPER CONCENTRATES WITHOUT GENERATING WASTE

#64
20220364201
2022-11-17

METHODS FOR SELECTIVE LEACHING AND EXTRACTION OF PRECIOUS METALS IN ORGANIC SOLVENTS

#65
20220340998
2022-10-27

Methods for simultaneous leaching and extraction of precious metals

#66
20220315935
2022-10-06

ENGINEERED YEAST FOR NONMAGNETIC FINES RECOVERY

#67
20220298600
2022-09-22

METHOD FOR PROCESSING ORE OR REFINING INTERMEDIATE

#68
20220234103
2022-07-28

Light-driven synthesis of plasmonic nanoparticles and nanomaterials

#69
20220213575
2022-07-07

Metal refinement

#70
20220178000
2022-06-09

Process for recovering gold from ores

#71
20220170133
2022-06-02

Process for Gold and/or Platinum Group Metals Heap Leaching with Lime

#72
20220119917
2022-04-21

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

#73
20220119916
2022-04-21

METHODS OF BASE METAL RECOVERY WITH APPLICATIONS OF OXYGEN VECTORS

#74
20220119913
2022-04-21

METHOD FOR RECOVERING COPPER, MOLYBDENUM, AND PRECIOUS METALS FROM MINERAL ORES VIA PRESSURE OXIDATION

#75
20220106665
2022-04-07

RECOVERY OF GOLD AND SILVER VALUES FROM FEEDSTOCKS USING ULTRASOUND-ASSISTED EXTRACTION

#76
20220074061
2022-03-10

Selective removal of noble metals using acidic fluids, including fluids containing nitrate ions

#77
20220074021
2022-03-10

Method for Extracting Gold and/or Silver and/or at Least One Platinum Metal

#78
20220056555
2022-02-24

Metal refinement

#79
20220055039
2022-02-24

METHOD AND ARRANGEMENT FOR PROCESS WATER TREATMENT

#80
20210381079
2021-12-09

LEACHING AIDS AND METHODS OF USING LEACHING AIDS

#81
20210339316
2021-11-04

METHODS FOR PRODUCTION OF SILVER NANOSTRUCTURES

#82
20210301371
2021-09-30

Method of improving gold recovery in a cyanide leaching circuit

#83
20210252477
2021-08-19

Molecularly imprinted polymer beads for extraction of metals and uses thereof

#84
20210246526
2021-08-12

Solid-state catalysts for low or moderate temperature leach applications and methods thereof

#85
20210198769
2021-07-01

SILVER RECOVERY

#86
20210180199
2021-06-17

SELECTIVE REMOVAL OF NOBLE METALS USING ACIDIC FLUIDS, INCLUDING FLUIDS CONTAINING NITRATE IONS

#87
20210161777
2021-06-03

Methods of making silver nanoparticles and their applications

#88
20210142926
2021-05-13

Methods for synthesizing silver nanoplates and noble metal coated silver nanoplates and their use in transparent films for control of light hue

#89
20210130923
2021-05-06

Method for extracting and enriching gold with selenide

#90
20210123117
2021-04-29

Method for reducing formation of CaSO4 and Fe2O3 containing deposits in a pressure oxidation autoclave and/or adjacent circuits during pressure oxidation of gold-containing ore

#91
20210047708
2021-02-18

Methods of selectively recovering palladium from a palladium-containing material

#92
20210008522
2021-01-14

Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids

#93
20210002742
2021-01-07

System, apparatus, and process for leaching metal and storing thermal energy during metal extraction

#94
20200377970
2020-12-03

METHOD FOR RECOVERING PRECIOUS METALS FROM THIOSULFATE LEACH SOLUTIONS

#95
20200362435
2020-11-19

Method of extracting metals from polymetallic sulphide ores or concentrates

#96
20200318217
2020-10-08

Method for recovering gold and gold recovery facility

#97
20200316689
2020-10-08

Light-driven synthesis of plasmonic nanoparticles and nanomaterials

#98
20200306836
2020-10-01

METHODS FOR THE PRODUCTION OF SILVER NANOWIRES

#99
20200232065
2020-07-23

Method for carbon-catalysed thiosulfate leaching of gold-bearing materials

#100
20200172994
2020-06-04

Recovery of precious and chalcophile metals

#101
20200172993
2020-06-04

METHOD AND A SYSTEM FOR GOLD RECOVERY FROM HALOGEN EXTRACTION TREATMENT

#102
20200166441
2020-05-28

Sensor system

#103
20200165702
2020-05-28

Method for pre-treatment of gold-bearing oxide ores

#104
20200165697
2020-05-28

INTEGRATED RECOVERY OF METALS FROM COMPLEX SUBSTRATES

#105
20200010924
2020-01-09

Process and apparatus for roasting of metal sulfide concentrates and/or residues

#106
20200002782
2020-01-02

METAL RECOVERY AGENT, METAL COMPOUND RECOVERY AGENT, AND METHOD FOR RECOVERING METAL OR METAL COMPOUND

#107
20190390299
2019-12-26

CHELATING POLYMERIC MEMBRANES

#108
20190388850
2019-12-26

Fluid treatment apparatus and process

#109
20190376158
2019-12-12

Alkaline oxidation methods and systems for recovery of metals from ores

#110
20190360069
2019-11-28

Ionic liquid solvents of perhalide type for metals and metal compounds

#111
20190309104
2019-10-10

Hyperbranched polymer, metal recovery agent, metal recovery method, and catalytic activity inhibitor

#112
20190292628
2019-09-26

Process for recovering gold from ores

#113
20190292627
2019-09-26

Process for recovering metal

#114
20190284659
2019-09-19

Precious metals recovery

#115
20190284062
2019-09-19

Radiation source for intra-lumen imaging capsule

#116
20190241991
2019-08-08

Method for leaching precious metals containing ores using thiosulfate compounds and alkaline earth metals hydroxides

#117
20190232272
2019-08-01

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

#118
20190218641
2019-07-18

INTEGRATED HYDROMETALLURGICAL AND PYROMETALLURGICAL METHOD FOR PROCESSING ORE

#119
20190211421
2019-07-11

Method for recovering precious metal

#120
20190161824
2019-05-30

Extraction of selected platinum-group metals from supported catalyst

#121
20190143303
2019-05-16

Adsorbent composition, method of making the same, and uses thereof

#122
20190100823
2019-04-04

System and method for above-atmospheric leaching of metal sulfides

#123
20190085428
2019-03-21

Methods of purifying precious metal

#124
20190071751
2019-03-07

Method and system for recovery of precious metal

#125
20190070666
2019-03-07

Process for production of particulate ruthenium

#126
20190066863
2019-02-28

Methods for synthesizing silver nanoplates and noble metal coated silver nanoplates and their use in transparent films for control of light hue

#127
20190060797
2019-02-28

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

#128
20190055623
2019-02-21

Method for recovering gold

#129
20180371578
2018-12-27

Hydrometallurgical treatment process for extraction of precious, base and rare elements

#130
20180369086
2018-12-27

Methods of making silver nanoparticles and their applications

#131
20180312985
2018-11-01

Selective removal of noble metals using acidic fluids, including fluids containing nitrate ions

#132
20180311741
2018-11-01

Methods for production of silver nanostructures

#133
20180305832
2018-10-25

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#134
20180298466
2018-10-18

Low acidity, low solids pressure oxidative leaching of sulphidic feeds

#135
20180298465
2018-10-18

Method for recovering gold from an ore or a refining intermediate containing gold

#136
20180265947
2018-09-20

HYDROMETALLURGICAL METHOD FOR SILVER RECOVERY

#137
20180258510
2018-09-13

Method for reducing arsenic content in arsenic-bearing gold material

#138
20180236559
2018-08-23

METHOD OF PRODUCING METAL NANOPARTICLES

#139
20180223390
2018-08-09

Method of producing platinum colloid and platinum colloid produced thereby

#140
20180223389
2018-08-09

Measurement apparatus for measuring a volume of a desired solid component in a sample volume of a solid-liquid slurry

#141
20180214845
2018-08-02

Molecularly imprinted polymer beads for extraction of metals and uses thereof

#142
20180171432
2018-06-21

Processes for recovering non-ferrous metals from solid matrices

#143
20180142322
2018-05-24

Methods for simultaneous leaching and extraction of precious metals

#144
20180112289
2018-04-26

Methods for selective leaching and extraction of precious metals in organic solvents

#145
20180073103
2018-03-15

Recovery of gold from solution

#146
20180051358
2018-02-22

Method for producing elemental rhodium

#147
20180030572
2018-02-01

Method for pre-treatment of gold-bearing oxide ores

#148
20180030571
2018-02-01

Co-current and counter current resin-in-leach in gold leaching processes

#149
20180029096
2018-02-01

Gold evaporative sources with reduced contaminants and methods for making the same

#150
20180009038
2018-01-11

METHOD FOR NANOPARTICLE PURIFICATION

#151
20180002780
2018-01-04

Multilayer films and related uses thereof

#152
20170369967
2017-12-28

Methods, materials and techniques for precious metal recovery

#153
20170369324
2017-12-28

Activated carbon regeneration method and gold recovery method

#154
20170356066
2017-12-14

Method for recovering gold from activated carbon

#155
20170355023
2017-12-14

METHODS FOR THE PRODUCTION OF SILVER NANOWIRES

#156
20170349972
2017-12-07

Heap leaching method

#157
20170306442
2017-10-26

Hydrometallurgical process for the recovery of copper, lead or zinc

#158
20170298474
2017-10-19

SYNTHESIS OF GOLD NANOPARTICLES USING RED ALGAE EXTRACT

#159
20170275733
2017-09-28

METHOD FOR PLATINUM RECOVERY FROM MATERIALS CONTAINING RHENIUM AND PLATINUM METALS

#160
20170247777
2017-08-31

Process for recovering gold

#161
20170175224
2017-06-22

Silver recovery by ion exchange

#162
20170175223
2017-06-22

BIOLEACHING METHOD AND FACILITY

#163
20170169911
2017-06-15

Methods for synthesizing silver nanoplates and noble metal coated silver nanoplates and their use in transparent films for control of light hue

#164
20170159153
2017-06-08

Leaching aids and methods of using leaching aids

#165
20170152583
2017-06-01

Method of recovering base metals from low grade ores and residues

#166
20170137914
2017-05-18

MERCURY REMOVAL

#167
20170137913
2017-05-18

Interseparation of metals

#168
20170114429
2017-04-27

Method for platinum recovery from materials containing rhenium and platinum metals

#169
20170114428
2017-04-27

Method for platinum recovery from materials containing rhenium and platinum metals

#170
20170107594
2017-04-20

METHOD FOR RECOVERING METAL POWDER FROM PLATINUM PASTE AND METHOD FOR REGENERATING PLATINUM PASTE

#171
20170106449
2017-04-20

METHOD FOR PREPARING NOBLE METAL NANOPARTICLES FROM MYRRH

#172
20170087640
2017-03-30

PHOTOLUMINESCENT GOLD NANOPARTICLES AND MANUFACTURING METHOD THEREOF

#173
20170073794
2017-03-16

Recovery of Metals from Ores

#174
20170058381
2017-03-02

Method for separation of chemically pure Os from metal mixtures

#175
20170044644
2017-02-16

PROCESS OF EXTRACTING GOLD AND SILVER FROM ORES AND MINING BY-PRODUCTS

#176
20170037493
2017-02-09

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

#177
20160376680
2016-12-29

Processing and application of a purification system for a new alternative source of energy

#178
20160362804
2016-12-15

WET BASED FORMULATIONS FOR THE SELECTIVE REMOVAL OF NOBLE METALS

#179
20160361724
2016-12-15

Hydrothermal method for manufacturing filtered silver nanowires

#180
20160355937
2016-12-08

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#181
20160354770
2016-12-08

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

#182
20160333441
2016-11-17

Compounds and methods to isolate gold

#183
20160319394
2016-11-03

Noble metal recovery method

#184
20160310956
2016-10-27

Process for recovering value metals from ore

#185
20160298209
2016-10-13

Leach aid for metal recovery

#186
20160271624
2016-09-22

Flotation reagents and flotation processes utilizing same

#187
20160271573
2016-09-22

Fluid treatment apparatus and process

#188
20160258038
2016-09-08

Leaching of minerals

#189
20160237524
2016-08-18

Precious metals recovery

#190
20160208360
2016-07-21

Noble metal superparticles and methods of preparation thereof

#191
20160199854
2016-07-14

Separation of copper minerals from pyrite using air-metabisulfite treatment

#192
20160194734
2016-07-07

Process for copper and/or precious metal recovery

#193
20160159934
2016-06-09

Uses of certain platinoid accumulating plants for use in organic chemical reactions

#194
20160153066
2016-06-02

Process for efficiently enriching and recovering noble metals of platinum and palladium by solvent extraction

#195
20160152851
2016-06-02

Method for preparing nano-silver powder and application in preparation of electrically conductive ink of the nano-silver powder and electrically conductive ink

#196
20160145715
2016-05-26

Treatment process for recovery and separation of elements from liquors

#197
20160145714
2016-05-26

Treatment process for extraction of precious, base and rare elements

#198
20160144381
2016-05-26

Method for recovering a copper sulfide concentrate from an ore containing an iron sulfide

#199
20160138129
2016-05-19

Chelating polymeric membranes

#200
20160121401
2016-05-05

Method of synthesizing silver nanoparticles

#201
20160115568
2016-04-28

Method of recovering copper and precious metals

#202
20160114397
2016-04-28

Silver nanowire manufacturing method

#203
20160114395
2016-04-28

Method for preparing ultrathin silver nanowires, and transparent conductive electrode film product thereof

#204
20160083817
2016-03-24

Method and plant for processing roasted pyrites

#205
20160083816
2016-03-24

Method for recovering gold from refractory ore

#206
20160082515
2016-03-24

Method of preparing pure precious metal nanoparticles with large fraction of (100) facets, nanoparticles obtained by this method and their use

#207
20160068928
2016-03-10

System apparatus and process for leaching metal and storing thermal energy during metal extraction

#208
20160068927
2016-03-10

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

#209
20160053342
2016-02-25

Integrated recovery of metals from complex substrates

#210
20160052969
2016-02-25

Templates for controlling synthesis of nanoparticles into discrete assemblies

#211
20160047012
2016-02-18

Extraction agent for precious metals and rhenium, and extraction method for precious metals and rhenium using same

#212
20160040266
2016-02-11

PLATINUM GROUP METAL REFINING

#213
20160039673
2016-02-11

Process for making precision nanoparticles by hydrothermal flow manufacturing

#214
20160032472
2016-02-04

Method for recovering platinum group metals from catalytic structures

#215
20160032420
2016-02-04

METHODS FOR TREATING CARBON MATERIALS INCLUDING CARBONACEOUS ORES

#216
20160024613
2016-01-28

Use of cationic surfactants in the cyanidation of refractory carbonaceous ores for recovery of metals

#217
20160001370
2016-01-07

REDUCING AGENTS FOR SILVER MORPHOLOGY CONTROL

#218
20150367255
2015-12-24

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

#219
20150361527
2015-12-17

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#220
20150360984
2015-12-17

Processing and application of a purification system for gold mining, extraction of minerals and growth of algae biomass

#221
20150354024
2015-12-10

Methods for binding and precipitating gold using microbial-derived metallophores and their uses

#222
20150344990
2015-12-03

Hydrometallurgical treatment process for extraction of metals from concentrates

#223
20150336174
2015-11-26

Methods for production of silver nanostructures

#224
20150336173
2015-11-26

METHOD FOR MANUFACTURING SILVER NANOWIRES USING COPOLYMER CAPPING AGENTS

#225
20150329936
2015-11-19

Method for recovery of metals from sulfide ores

#226
20150329934
2015-11-19

Dahl Process

#227
20150322544
2015-11-12

Brine leaching process for recovering valuable metals from oxide materials

#228
20150321257
2015-11-12

METHOD FOR MANUFACTURING SILVER NANOWIRES USING IONIC LIQUID

#229
20150315696
2015-11-05

Gold evaporative sources with reduced contaminants and methods for making the same

#230
20150315670
2015-11-05

METHOD FOR METAL CONCENTRATION, METHOD FOR METAL RECOVERY, DEVICE FOR METAL CONCENTRATION, AND DEVICE FOR METAL RECOVERY

#231
20150290715
2015-10-15

Methods of controlling nanowire morphology

#232
20150287503
2015-10-08

Production method for particles of element having standard electrode potential greater than 0V

#233
20150283616
2015-10-08

Method for producing metal microparticles

#234
20150283615
2015-10-08

Methods for the production of silver nanowires

#235
20150275329
2015-10-01

Pre-treatment for conventional cyanidation for silver recovering from manganese-argentiferous ores containing occluded silver

#236
20150266098
2015-09-24

PROCESS FOR MAKING SILVER POWDER PARTICLES WITH VERY SMALL SIZE CRYSTALLITES

#237
20150266097
2015-09-24

Method for producing fine silver particles

#238
20150265509
2015-09-24

Methods of making silver nanoparticles and their applications

#239
20150252445
2015-09-10

System and method for recovering precious metals from precursor-type ore materials

#240
20150252443
2015-09-10

System and method for recovering precious metals from precursor-type ore materials

#241
20150239049
2015-08-27

Synthesis of nanostructures

#242
20150218670
2015-08-06

Extraction solvent for extracting metallic elements, method for producing same, and method for recovering metallic elements

#243
20150218391
2015-08-06

SILVER PASTE COMPOSITION AND METHOD FOR PRODUCING THE SAME

#244
20150217375
2015-08-06

Method for producing silver nano-particles and silver nano-particles

#245
20150217374
2015-08-06

METHOD FOR MANUFACTURING METAL NANOPARTICLES BY USING PHASE TRANSITION REDUCTION, AND METAL INK COMPRISING METAL NANOPARTICLES MANUFACTURED THEREBY

#246
20150211091
2015-07-30

Silver recovery methods and silver products produced thereby

#247
20150211090
2015-07-30

Low-temperature dispersion-based syntheses of silver and silver products produced thereby

#248
20150203694
2015-07-23

CONDUCTIVITY THICK FILM PASTES CONTAINING PLATINUM POWDER

#249
20150197827
2015-07-16

METHODS AND SYSTEMS OF METAL SORPTION USING INTERSTAGE SCREENING

#250
20150190781
2015-07-09

Activated carbon for noble metal adsorption, noble metal adsorption filter, and method for recovering noble metals

#251
20150114183
2015-04-30

Processes for recovering non-ferrous metals from solid matrices

#252
20150107412
2015-04-23

Preparation method of silver nanowires

#253
20150098883
2015-04-09

Application of lactam as solvent in nanomaterial preparation

#254
20150096887
2015-04-09

ELECTRODES CONTAINING IRIDIUM NANOPARTICLES FOR THE ELECTROLYTIC PRODUCTION OF OXYGEN FROM WATER

#255
20150090075
2015-04-02

METHOD FOR THE REMOVAL AND RECOVERY OF METALS AND PRECIOUS METALS FROM SUBSTRATES

#256
20150082946
2015-03-26

Method of manufacturing nanoparticles using ion exchange resin and liquid reducing process

#257
20150033913
2015-02-05

Method and system for gold recovery

#258
20150030760
2015-01-29

Method for producing microparticles by growing a precipitated seed microparticle

#259
20140377151
2014-12-25

Process for recovery of cobalt, ruthenium, and aluminum from spent catalyst

#260
20140373684
2014-12-25

Precious metals recovery

#261
20140363356
2014-12-11

EXTRACTION OF GOLD

#262
20140356225
2014-12-04

Method for pre-treatment of gold-bearing oxide ores

#263
20140348728
2014-11-27

Method for improving gold recovery

#264
20140331822
2014-11-13

Process of leaching gold

#265
20140328736
2014-11-06

Method for separation of chemically pure Os from metal mixtures

#266
20140314641
2014-10-23

Flotation reagents and flotation processes utilizing same

#267
20140311297
2014-10-23

Compounds and methods to isolate gold

#268
20140298954
2014-10-09

Extraction of gold from fine carbon residue

#269
20140255247
2014-09-11

Method for producing highly pure platinum powder, as well as platinum powder that can be obtained according to said method, and use thereof

#270
20140248198
2014-09-04

Palladium separating agent, method for producing same and use of same

#271
20140230604
2014-08-21

RECOVERY OF METALS FROM ORES

#272
20140212346
2014-07-31

Process of leaching precious metals

#273
20140193316
2014-07-10

Method for recycling metals

#274
20140170058
2014-06-19

PROCESS FOR THE REMOVAL OF PALLADIUM FROM 4-AMINO-3-HALO-5-FLUORO-6-(ARYL) PYRIDINE-2-CARBOXYLATES AND 4-AMINO-3-HALO-6-(ARYL)PYRIDINE-2-CARBOXYLATES

#275
20140147354
2014-05-29

STRIPPING AGENT AND METHOD OF USE

#276
20140112823
2014-04-24

Recovery of gold from roaster calcine leach tailings

#277
20140099513
2014-04-10

Preparation method of silver nano-structure for surface enhanced, raman scattering substrate and silver nano-structure thereby

#278
20140096649
2014-04-10

Alkaline and acid pressure oxidation of precious metal-containing materials

#279
20140054516
2014-02-27

Nano wire and method for manufacturing the same

#280
20140047954
2014-02-20

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

#281
20140044618
2014-02-13

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

#282
20140035207
2014-02-06

Co-current and counter current resin-in-leach in gold leaching processes

#283
20140023570
2014-01-23

Modified poly (styrene-co-maleic anhydride) and uses thereof

#284
20140000413
2014-01-02

PRECIOUS METALS RECOVERY

#285
20130341203
2013-12-26

Gold and silver extraction technology

#286
20130330255
2013-12-12

Method for collection of ruthenium or ruthenium compound

#287
20130319178
2013-12-05

Process for separating at least one platinoid element from an acidic aqueous solution comprising, besides this platinoid element, one or more other chemical elements

#288
20130283976
2013-10-31

Chloride process for the leaching of gold

#289
20130281726
2013-10-24

Method for recovering precious metal from solution containing precious metal ions, extracting agent or adsorbent used therefor, and back-extracting agent or desorbent

#290
20130221586
2013-08-29

METHOD AND APPARATUS FOR LEACHING METAL FROM MINING ORE

#291
20130220079
2013-08-29

Process for the recovery of gold from an ore in chloride medium with a nitrogen species

#292
20130206588
2013-08-15

System and method for parallel solution extraction of one or more metal values from metal-bearing materials

#293
20130177749
2013-07-11

NANOSTRUCTURES

#294
20130177487
2013-07-11

Upgrading of precious metals concentrates and residues

#295
20130160608
2013-06-27

Process For Producing Silver Nanowires

#296
20130108525
2013-05-02

METHOD FOR SEPARATION OF CHEMICALLY PURE OS FROM METAL MIXTURES

#297
20130104701
2013-05-02

Method for recovering gold by solvent extraction

#298
20130091990
2013-04-18

Method for recovering precious metals and copper from leach solutions

#299
20130089477
2013-04-11

Method and apparatus for recovering rare metal

#300
20130058826
2013-03-07

Process for making silver powder particles with very small size crystallites