ClassID:

119168

C22B1/00 - CPC Classification

Classification description:

Preliminary treatment of ores or scrap

Sub-classes:
Recent Application in this class:
#1
20260117339
2026-04-30

METHODS AND COMPOSITIONS FOR TREATING IRON ORES

#2
20260078464
2026-03-19

ORE-BREAKER COMPOSITIONS AND METHODS FOR BIOLOGICAL ENRICHMENT OF METALS

#3
20260009100
2026-01-08

BENEFICIATION METHOD FOR IMPROVING GRADE OF MAGNESIUM-CONTAINING COPPER SULFIDE ORE CONCENTRATE

#4
20250389179
2025-12-25

In Situ Leaching of Copper From Porphyry Copper Ore Bodies Through Stimulated Natural Fracture Networks

#5
20250305083
2025-10-02

MICROWAVE AND LASER ASSISTED PRODUCTION REFRACTORY METAL OXIDES

#6
20250230524
2025-07-17

TIN PRODUCTION POWERED BY GEOTHERMAL ENERGY

#7
20250161957
2025-05-22

VORTEX MINERALIZATION-STATIC SEPARATION FLOTATION DEVICE AND FLOTATION METHOD

#8
20250128184
2025-04-24

EQUIPMENT METHOD AND SYSTEM FOR RECOVERING MINERALS FROM ORES WASTE SLUDGE MINING RESIDUES OR ANY OTHER GRANULATED MATERIAL USING THE LIQUEFACTION EFFECT

#9
20250027183
2025-01-23

PROCESSING OF MINING FEEDSTOCKS USING KINETIC PULVERIZATION AND SEPARATION

#10
20240376566
2024-11-14

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

#11
20240316573
2024-09-26

PROCESS FOR DRY BENEFICIATION OF FINE AND VERY FINE IRON ORE BY SIZE AND ELECTROSTATIC SEGREGATION

#12
20240308843
2024-09-19

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#13
20240183000
2024-06-06

A Biochemical Composition For Increasing Efficiency In Ore Beneficiation and Method of Use Thereof

#14
20240126366
2024-04-18

ENHANCED AUTONOMOUS HANDS-FREE CONTROL IN ELECTRONIC VISUAL AIDS

#15
20230271827
2023-08-31

Systems and methods for generating hydrogen and magnetite from rock

#16
20230271195
2023-08-31

Process for dry beneficiation of fine and very fine iron ore by size and electrostatic segregation

#17
20230102312
2023-03-30

SYSTEMS AND METHODS FOR GENERATING HYDROGEN AND MAGNETITE FROM ROCK

#18
20220364201
2022-11-17

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

#19
20220340998
2022-10-27

Methods for simultaneous leaching and extraction of precious metals

#20
20220263147
2022-08-18

METHOD FOR RECOVERING VALUABLE METALS FROM SPENT LITHIUM-ION-BATTERIE

#21
20220258177
2022-08-18

METHOD FOR THE BENEFICIATION OF IRON ORE STREAMS

#22
20220184633
2022-06-16

SYSTEM AND METHOD FOR RECOVERY OF VALUABLE CONSTITUENTS FROM STEEL-MAKING SLAG FINES

#23
20220127696
2022-04-28

PROCESS AND SYSTEM FOR EXTRACTION OF RARE EARTH ELEMENTS USING AN ACID SOAK

#24
20220023876
2022-01-27

Reactor system for separation and enrichment of minerals from a slurry containing minerals and other materials

#25
20210370312
2021-12-02

METHOD AND APPARATUS FOR PROCESSING MAGNETITE

#26
20210339263
2021-11-04

Integrated separator system and process for preconcentration and pretreatment of a material

#27
20210215646
2021-07-15

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

#28
20210214819
2021-07-15

METHODS AND COMPOSITIONS FOR PRE-EXTRACTIVE BENEFICIATION OF ORES

#29
20210213461
2021-07-15

Comminution process of iron ore or iron ore products at natural moisture

#30
20210025028
2021-01-28

Uranium processing using hydrocyclone beneficiation

#31
20210001350
2021-01-07

Extracting rare-earth elements from a gangue heavy fraction

#32
20200392602
2020-12-17

Process for multi-recycling, low-energy and high-purity extraction of lithium

#33
20200391223
2020-12-17

Cellulose-based derivatives as chemical aids for mineral enrichment in froth flotation

#34
20200376497
2020-12-03

Low energy process for metal extraction

#35
20200354813
2020-11-12

Beneficiation process for enhancing uranium mineral processing

#36
20200190627
2020-06-18

Method for decomposing medium-/low-grade scheelite

#37
20200165702
2020-05-28

Method for pre-treatment of gold-bearing oxide ores

#38
20200061636
2020-02-27

Flotation arrangement

#39
20200038876
2020-02-06

System and method for recovery of valuable constituents from steel-making slag fines

#40
20200023380
2020-01-23

Flotation arrangement, its use, a plant and a method

#41
20190388905
2019-12-26

Flotation arrangement

#42
20190360073
2019-11-28

Method for recovering scandium from red mud left from alumina production

#43
20190309389
2019-10-10

Process for separation of antimony and arsenic from a leach solution

#44
20190275533
2019-09-12

Reactor system for separation and enrichment of minerals from a slurry containing minerals and other materials

#45
20190247860
2019-08-15

Extracting rare-earth elements from a gangue heavy fraction

#46
20190203368
2019-07-04

Electrochemical process for improving the grade of iron

#47
20190185963
2019-06-20

Lithium recovery from phosphate minerals

#48
20190092646
2019-03-28

Methods and compositions for bauxite beneficiation

#49
20190070616
2019-03-07

Cationic flotation of silica and apatite from oxidized iron ores at natural pH

#50
20190010577
2019-01-10

Use of hydrophobically associating copolymers as binders for pelletizing metal containing ores

#51
20180371577
2018-12-27

ARC FURNACE SMELTERING SYSTEM & METHOD

#52
20180369869
2018-12-27

Beneficiation of values from ores with a heap leach process

#53
20180361395
2018-12-20

Multi-stage suspension magnetizing roasting-magnetic separation system device and method for refractory iron ore

#54
20180280991
2018-10-04

Gravity separation device

#55
20180142322
2018-05-24

Methods for simultaneous leaching and extraction of precious metals

#56
20180119250
2018-05-03

METHOD FOR SMELTING HIGH-ARSENIC COPPER SULFIDE ORE

#57
20180112289
2018-04-26

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

#58
20180112288
2018-04-26

Stabilization process for an arsenic solution

#59
20180037972
2018-02-08

Wet smelting method for nickel oxide ore

#60
20180037971
2018-02-08

Ore slurry pre-treatment method and ore slurry manufacturing method

#61
20180037481
2018-02-08

Column thickener and a process thereof for dewatering of iron ore slurry

#62
20180036803
2018-02-08

System and process for dry recovery of iron oxide fines from iron bearing compacted and semicompacted rocks

#63
20180030572
2018-02-01

Method for pre-treatment of gold-bearing oxide ores

#64
20180010208
2018-01-11

Removal of radionuclides from mixtures

#65
20170306440
2017-10-26

Process for metal extraction with sorption leaching in wet solids

#66
20170283908
2017-10-05

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

#67
20170233848
2017-08-17

Recovery process

#68
20170204499
2017-07-20

Acid leaching of rare earth minerals

#69
20170204496
2017-07-20

Method for smelting nickel oxide ore

#70
20160376683
2016-12-29

Monazite and apatite paragenetic ore enrichment method

#71
20160340756
2016-11-24

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

#72
20160310956
2016-10-27

Process for recovering value metals from ore

#73
20160298210
2016-10-13

Method and apparatus for secondary enrichment and recovery of germanium from low-grade lignite germanium concentrates with by microwave heating in vacuum

#74
20160265080
2016-09-15

METHOD AND APPARATUS FOR INCREASING POROSITY OF METAL BEARING ORE

#75
20160244861
2016-08-25

Material processing systems and methods

#76
20160208364
2016-07-21

Separation of recycled rare earths

#77
20160186289
2016-06-30

Process for complex processing of bauxite

#78
20160158764
2016-06-09

Procedure for efficient recovery of diamonds, gold from tailings

#79
20160138133
2016-05-19

Extraction and recovery of yttrium and rare earth elements

#80
20160129454
2016-05-12

System and method for recovery of valuable constituents from steel-making slag fines

#81
20160122196
2016-05-05

Use of polyols as scale control reagents in the mining processes

#82
20160108498
2016-04-21

Method for recovering rare earth element

#83
20160102383
2016-04-14

System and method for the recovery of metal values from slags, drosses, and other metal-bearing materials

#84
20160074872
2016-03-17

Method for processing mineral material containing acid-consuming carbonate and precious metal in sulfide minerals

#85
20160069615
2016-03-10

Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof

#86
20160060728
2016-03-03

Method for processing vanadium-titanium magnetite finished ores by using wet process

#87
20160059152
2016-03-03

Wet mineral ore processing in mining applications

#88
20160024613
2016-01-28

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

#89
20150375236
2015-12-31

HEAVY METAL RECOVERY SYSTEM AND APPARATUS

#90
20150373788
2015-12-24

Fusion process using an alkali metal metalate

#91
20150354025
2015-12-10

Methods of copper extraction

#92
20150352475
2015-12-10

Operation method for dezincification plant

#93
20150337409
2015-11-26

Method of treating recyclable raw materials

#94
20150329937
2015-11-19

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

#95
20150307954
2015-10-29

Mineral processing

#96
20150307953
2015-10-29

Mineral processing

#97
20150299823
2015-10-22

Process for the treatment of a silicate mineral

#98
20150292056
2015-10-15

Apparatus and a method for treatment of mined material with electromagnetic radiation

#99
20150290841
2015-10-15

Machine and method for removing beads from tires at the end of life

#100
20150267279
2015-09-24

Beneficiation process for low grade uranium ores

#101
20150182973
2015-07-02

Material processing system

#102
20150076038
2015-03-19

Reverse iron ore flotation by collectors in aqueous nanoemulsion

#103
20150053049
2015-02-26

PROCESS FOR RECOVERING METALS BY REDUCTION AND CARBONYLATION

#104
20150008272
2015-01-08

Hydrolyzed starches as grinding aids for mineral ore processing

#105
20140356225
2014-12-04

Method for pre-treatment of gold-bearing oxide ores

#106
20140339173
2014-11-20

Mining apparatus with water reclamation system

#107
20140314639
2014-10-23

Method for recovering scandium from intermediate products formed in the hydrometallurgical processing of laterite ores

#108
20140262968
2014-09-18

SYSTEM AND METHOD FOR RECOVERY OF VALUABLE CONSTITUENTS FROM STEEL-MAKING SLAG FINES

#109
20140260802
2014-09-18

PROCESSING MINED MATERIAL

#110
20140260801
2014-09-18

SORTING MINED MATERIAL

#111
20140255694
2014-09-11

Methods to recover cesium or rubidium from secondary ore

#112
20140255278
2014-09-11

Methods to recover cesium or rubidium from secondary ore

#113
20140151472
2014-06-05

Ore slurry production method and metal refining method

#114
20140144290
2014-05-29

Mixed collector compositions

#115
20140123809
2014-05-08

Method for producing R-Fe-B based permanent magnet alloy recycled material having removed carbon

#116
20140117125
2014-05-01

Iron ore concentration process with grinding circuit, dry desliming and dry or mixed (dry and wet) concentration

#117
20140077008
2014-03-20

System and method for iron ore byproduct processing

#118
20140044618
2014-02-13

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

#119
20140033867
2014-02-06

Ore beneficiation

#120
20130305879
2013-11-21

Method and device for breaking up ore

#121
20130269485
2013-10-17

Method of producing ore slurry

#122
20130177487
2013-07-11

Upgrading of precious metals concentrates and residues

#123
20130139650
2013-06-06

Waste handling methods and apparatus

#124
20130099552
2013-04-25

Method of mineral fuel beneficiation with subsequent delivery to the consumer by pipeline transportation

#125
20130048045
2013-02-28

HEAT RECOVERY SYSTEM FOR PYROMETALLURGICAL VESSEL USING THERMOELECTRIC/THERMOMAGNETIC DEVICES

#126
20130042438
2013-02-21

Method for processing spodumene

#127
20130032004
2013-02-07

Ore beneficiation

#128
20130032003
2013-02-07

Ore beneficiation

#129
20120298914
2012-11-29

Method for Treating and Conditioning Tailings

#130
20120260772
2012-10-18

Method and system for processing an iron ore tailings byproduct

#131
20120204681
2012-08-16

MOLYBDENUM REFINING METHOD

#132
20120118795
2012-05-17

Gold refining apparatus

#133
20120103827
2012-05-03

METHOD FOR LEACHING CHALCOPYRITE CONCENTRATION

#134
20120043314
2012-02-23

System and method for recovering minerals

#135
20120000832
2012-01-05

Platinum group metal recovery from powdery waste

#136
20110314967
2011-12-29

Improving the recovery of precious metals from recalcitrant refractory ore

#137
20110272508
2011-11-10

Process for Separating Limonite and Saprolite

#138
20110272503
2011-11-10

SYSTEMS AND PROCESSES FOR PRODUCING HIGH PURITY TRONA

#139
20110227261
2011-09-22

Metal melting apparatus

#140
20110114766
2011-05-19

Apparatus and method for size reduction

#141
20110057061
2011-03-10

Apparatus and method for comminution of mineral ore

#142
20110039477
2011-02-17

Processing nickel bearing sulphides

#143
20100264241
2010-10-21

Ultrasonic crushing apparatus and method

#144
20100264136
2010-10-21

Microwave pellet furnace and method

#145
20100263483
2010-10-21

System and method for recovering minerals

#146
20100263482
2010-10-21

Separator and crusher of minerals with microwave energy and method thereof

#147
20100233050
2010-09-16

Hardwood lignosulfonates for separating gangue materials from metallic sulfide ores

#148
20100226837
2010-09-09

PRODUCTION OF METAL PRODUCTS DIRECTLY FROM UNDERGROUND ORE DEPOSITS

#149
20100213105
2010-08-26

Reverse iron ore flotation by collectors in aqueous nanoemulsion

#150
20100200510
2010-08-12

Process for the beneficiation of ores by means of hydrophobic surfaces

#151
20100199808
2010-08-12

Method for recovering metal values from refractory sulfide ore

#152
20100193618
2010-08-05

Modular ore processor

#153
20100147111
2010-06-17

Process of treating metal bearing crushed rock to control respirable dust during transport in the process including a metal concentrating circuit

#154
20100065478
2010-03-18

Method for nickel concentration processing of saprolite ore

#155
20100031777
2010-02-11

Ore treating method, ore treating apparatus, iron manufacturing method, and iron and steel manufacturing method

#156
20090293680
2009-12-03

Processing of Metal Values from Concentrates

#157
20090272227
2009-11-05

Metal extraction without cyanide

#158
20090267275
2009-10-29

Method and apparatus for separating metal values

#159
20090235784
2009-09-24

PRE-TREATMENT OF FEED TO NON-STIRRED SURFACE BIOREACTOR

#160
20090183597
2009-07-23

Metal extraction from various chalcogenide minerals through interaction with separate electric fields and magnetic fields supplied by electromagnetic energy

#161
20090130006
2009-05-21

Use of polyols as scale control reagents in the mining processes

#162
20090074608
2009-03-19

Process for mercury control during pressure oxidation

#163
20090074607
2009-03-19

Process for recovering gold and silver from refractory ores

#164
20090071877
2009-03-19

Apparatus and Method for Transporting Lunar Soil

#165
20090071840
2009-03-19

METHOD FOR EXTRACTING METALS FROM ORE

#166
20090071296
2009-03-19

Process for controlling acid in sulfide pressure oxidation processes

#167
20090064820
2009-03-12

Method of operating non-ferrous smelting plant

#168
20090061503
2009-03-05

Heap leaching of sulphide ores

#169
20090035833
2009-02-05

Method for recovering metal values from refractory sulfide ore

#170
20090031862
2009-02-05

RECOVERY PROCESS FOR PRECIOUS METALS

#171
20090013822
2009-01-15

Microwave treatment of minerals

#172
20090004728
2009-01-01

Method of biotreatment for solid materials in a nonstirred surface bioreactor

#173
20080311647
2008-12-18

Method of biotreating a solid material comprising an organic compound

#174
20080308468
2008-12-18

Ore Beneficiation Flotation Processes

#175
20080289260
2008-11-27

Improving grinding in a alumina extraction process

#176
20080286180
2008-11-20

Process for gold and silver recovery from a sulphide concentrate

#177
20080277321
2008-11-13

Magnetic separation process for trona

#178
20080269357
2008-10-30

RHEOLOGY MODIFIERS FOR SLURRIES HANDLING AND STORAGE

#179
20080250980
2008-10-16

Agglomerated stone for using in shaft, corex or blast furnaces, method for producing agglomerated stones and use of fine and superfine iron ore dust

#180
20080226528
2008-09-18

Fusion process using an alkali metal metalate

#181
20080184849
2008-08-07

Method and apparatus for the recovery of refractory mineral ores

#182
20080184847
2008-08-07

Method for Processing Ore to Minimize the Production of Acidic Wastes

#183
20080175771
2008-07-24

Method for increasing metal production in smelter operations

#184
20080069723
2008-03-20

METHOD FOR OXIDIZING CARBONACEOUS ORES TO FACILITATE PRECIOUS METAL RECOVERY

#185
20080067112
2008-03-20

METHODS FOR THE RECOVERY OF MOLYBDENUM

#186
20080041769
2008-02-21

Pneumatic flotation column

#187
20070295668
2007-12-27

Procedure and apparatus of the concentration of hydrophobic materials

#188
20070292332
2007-12-20

Upgrading of zircon

#189
20070292326
2007-12-20

Process for reduced alkali consumption in the recovery of silver

#190
20070257139
2007-11-08

Method for comminution of material

#191
20070148066
2007-06-28

Process to obtain titanium concentrates with high contents of TiOand low contents of radionuclide elements from anatase mechanical concentrates

#192
20070138065
2007-06-21

Method to improve the cleaner froth flotation process

#193
20070131059
2007-06-14

Recovery of nickel

#194
20070107550
2007-05-17

Method for recovering metal values from concentrates of sulfide minerals

#195
20070095170
2007-05-03

Method of manufacturing germanium-containing solution from yellow soil

#196
20060275202
2006-12-07

Method for producing complex oxide of metal

#197
20060266956
2006-11-30

Method of expanding mineral ores using microwave radiation

#198
20060185475
2006-08-24

Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates

#199
20060108271
2006-05-25

Magnetic separation process for trona

#200
20060096415
2006-05-11

Microwave treatment of ores

#201
20060032800
2006-02-16

Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral ores

#202
20050260106
2005-11-24

Ultrasonic reactor and process for ultrasonic treatment of materials

#203
20050236403
2005-10-27

Pre treatment of multi-phase materials using high field strength electromagnetic waves

#204
20050232835
2005-10-20

Anti-oxidation method for sulfide minerals in sulfide ore

#205
20050220687
2005-10-06

Purification of trona ores by conditioning with an oil-in-water emulsion

#206
20050167339
2005-08-04

Composition formed of mercaptans which can be used in a process for the flotation of ores

#207
20050112741
2005-05-26

Method of biotreatment for solid materials in a nonstirred surface bioreactor

#208
20050103402
2005-05-19

Passivation of sulfidic iron-containing rock

#209
20050102061
2005-05-12

Automated mineral processing systems and methods

#210
20050092657
2005-05-05

Method for separating metal values by exposing to microwave/millimeter wave energy

#211
20050087037
2005-04-28

Recovery of natural nanoclusters and the nanoclusters isolated thereby

#212
20050072273
2005-04-07

Method and apparatus for grinding iron ore or iron ore concentrate

#213
20050036930
2005-02-17

Method for inhibiting oxidation of metal sulfide-containing material

#214
20050016324
2005-01-27

Electromagnetic pyrolysis metallurgy

#215
20050005737
2005-01-13

Method for recovering metal values from concentrates of sulfide minerals

#216
20050000320
2005-01-06

Combined pre-treatment process for enabling feed material to be charged in direct reduction processes

#217
13786236
2015-08-11

Mineral processing