ClassID:

119276

C22B5/10 - CPC Classification

Classification description:

Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents

Recent Application in this class:
#1
20260110057
2026-04-23

CARBOALUMINOTHERMIC REDUCTION APPARATUS AND METHODS OF USING

#2
20260110056
2026-04-23

METHOD FOR SMELTING MAGNESIUM FROM DOLOMITE BY VACUUM CARBOTHERMAL REDUCTION

#3
20260071294
2026-03-12

METHOD FOR RECOVERING VALUABLE METALS

#4
20260062766
2026-03-05

METHOD FOR RECOVERING VALUABLE METALS

#5
20260024831
2026-01-22

METHOD FOR RECOVERING VALUABLE ELEMENT AND METHOD FOR PRODUCING METAL

#6
20250179596
2025-06-05

BIOMASS DIRECT REDUCED IRON

#7
20250178903
2025-06-05

METHOD FOR RECOVERING MATERIALS FROM WASTE OR SCRAPS THROUGH AN IMPROVED CARBOTHERMAL PROCESS

#8
20250154616
2025-05-15

METHOD FOR PRODUCING HIGH IRON-CONTENT PRODUCTS FROM IRON ORE FINES AND BIOMASS, AND PRODUCTS THEREOF

#9
20250118820
2025-04-10

METHOD FOR PRODUCING VALUABLE METAL

#10
20250109457
2025-04-03

DEVICE AND METHOD FOR MAGNESIUM SMELTING BY VACUUM CARBOTHERMAL REDUCTION OF CALCINED DOLOMITE

#11
20250084502
2025-03-13

ULTRA-HIGH TEMPERATURE CONTINUOUS REDUCTION OF METAL COMPOUND PARTICLES WITH SUBSEQUENT SELECTIVE SEPARATION

#12
20250075290
2025-03-06

MULTI-SOURCE SOLID WASTE RECYCLING METHOD BASED ON COMPOSITION DESIGN FOR CALCIUM-SILICON-ALUMINUM-MAGNESIUM OXIDE

#13
20240343978
2024-10-17

METHOD AND APPARATUS FOR CONVERTING CARBON-BASED FEEDSTOCKS INTO USABLE PRODUCTS USING ROTARY GENERATED THERMAL ENERGY

#14
20240336993
2024-10-10

METHOD FOR PREPARING HIGH-PURITY METALLIC ARSENIC FROM ARSENIC-CONTAINING SOLID WASTE THROUGH SHORT FLOW PROCESS

#15
20240327936
2024-10-03

METHOD FOR RECOVERING IRON AND VALUABLE METALS FROM ELECTRIC ARC FURNACE DUST

#16
20240283044
2024-08-22

Process for Recycling Battery Materials By Way of Hydrometallurgical Treatment

#17
20240240282
2024-07-18

Method for Denitration of Carbothermally Reduced Iron-Containing Nonferrous Metal Smelting Slag Mixed With Advanced Oxidizer

#18
20240240281
2024-07-18

METHOD FOR PRODUCING VALUABLE METAL

#19
20240204274
2024-06-20

METHOD FOR PRODUCING VALUABLE METAL

#20
20240110259
2024-04-04

METHOD FOR CO-PRODUCING BLISTER COPPER BY ENRICHING GERMANIUM AND INDIUM FROM A COPPER SULFIDE ORE

#21
20240093329
2024-03-21

Ultra-high temperature continuous reduction of metal compound particles with subsequent selective separation

#22
20240084418
2024-03-14

METHOD FOR RECOVERING VALUABLE METAL

#23
20240079666
2024-03-07

A PROCESS FOR RECOVERING COBALT FROM LITHIUM-ION BATTERIES

#24
20240043959
2024-02-08

DIRECTED LASER ENERGY TO REDUCE METAL OXIDES

#25
20240011124
2024-01-11

Method and device for preparing ultrathin metal lithium foil

#26
20230407437
2023-12-21

Method and Equipment for Comprehensive Utilization of Niobite

#27
20230357033
2023-11-09

METHOD OF PREPARING HIGH-PURITY LITHIUM CARBONATE THROUGH REDUCTION CALCINING OF WASTE CATHODE MATERIAL

#28
20230227316
2023-07-20

CIRCULAR CARBON PROCESS

#29
20230151455
2023-05-18

CARBOALUMINOTHERMIC REDUCTION APPARTUS AND METHODS OF USING

#30
20230151453
2023-05-18

METHOD FOR RECOVERING VALUABLE METAL

#31
20230015594
2023-01-19

System for smelting tin-containing materials and method for smelting same

#32
20230002853
2023-01-05

Production of Iron

#33
20230002852
2023-01-05

Production of iron

#34
20220275476
2022-09-01

A METHOD FOR PREPARING AN ELEMENTAL MATERIAL BY REDUCTION USING MONOATOMIC CARBON

#35
20220033938
2022-02-03

Calcium, aluminum and silicon alloy, as well as a process for the production of the same

#36
20210262067
2021-08-26

Calcium, aluminum and silicon alloy, as well as a process for the production of the same

#37
20210238710
2021-08-05

METHOD FOR SMELTING OXIDE ORE

#38
20200377969
2020-12-03

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

#39
20200131600
2020-04-30

Method for preparing a leach feed matertial

#40
20200056262
2020-02-20

Method for smelting oxide ore

#41
20200024685
2020-01-23

METAL OXIDE SMELTING METHOD

#42
20200010925
2020-01-09

METAL OXIDE SMELTING METHOD

#43
20190241990
2019-08-08

Production of iron

#44
20190144971
2019-05-16

Method for smelting oxide ore

#45
20190136343
2019-05-09

Processing of iron-rich rare earth bearing ores

#46
20190119784
2019-04-25

Method of direct reduction of chromite with cryolite additive

#47
20190119779
2019-04-25

Oxide ore smelting method

#48
20190003010
2019-01-03

Recovery of lithium from silicate minerals

#49
20180308641
2018-10-25

METHOD FOR THE PRODUCTION OF VALVE METAL POWDERS

#50
20180297856
2018-10-18

Vanadium recovery method

#51
20180223391
2018-08-09

Method for recovering target materials from source materials

#52
20180195148
2018-07-12

Apparatus and method for recovery of material

#53
20180179448
2018-06-28

RENEWABLE BIOMASS DERIVED CARBON MATERIAL FOR METALLURGICAL PROCESSES AND METHOD OF MAKING THE SAME

#54
20180030574
2018-02-01

Method for smelting saprolite ore

#55
20170356064
2017-12-14

Energy efficient integrated process for production of metals or alloys

#56
20170342514
2017-11-30

Method for smelting nickel oxide ore

#57
20170314861
2017-11-02

Method for reducing molten raw materials, and device for carrying out said method

#58
20170306444
2017-10-26

Method for smelting nickel oxide ore

#59
20170254591
2017-09-07

MATERIAL SUPPLY APPARATUS AND PROCESS

#60
20170211166
2017-07-27

Method for producing pellets and method for producing iron-nickel alloy

#61
20170204496
2017-07-20

Method for smelting nickel oxide ore

#62
20170204495
2017-07-20

METHOD FOR SMELTING NICKEL OXIDE ORE

#63
20170198372
2017-07-13

Method for smelting nickel oxide ore and method for charging pellets

#64
20170152584
2017-06-01

Method for producing pellet and method for smelting nickel oxide ore

#65
20160244864
2016-08-25

PRODUCTION OF CHROMIUM IRON ALLOYS DIRECTLY FROM CHROMITE ORE

#66
20160208362
2016-07-21

Carbothermal reduction reactor system, components thereof, and methods of using same

#67
20160153065
2016-06-02

Method of apparatus for condensing metal vapours using a nozzle and a molten collector

#68
20160017458
2016-01-21

Direct smelting process and apparatus

#69
20150368752
2015-12-24

Production process

#70
20150322542
2015-11-12

Method for producing reduced iron

#71
20150292055
2015-10-15

METHOD FOR MANUFACTURING REDUCED IRON

#72
20150259758
2015-09-17

Starting a smelting process

#73
20150225812
2015-08-13

Method for concentrating metal compound by reduction and oxidation

#74
20150203931
2015-07-23

METHOD FOR PRODUCING METALLIC IRON

#75
20150101455
2015-04-16

Method for recovery of nobel metals from long-chain hydrocarbons, tars, oils

#76
20150040728
2015-02-12

Method and apparatus for high temperature production of metals

#77
20140345425
2014-11-27

Starting a smelting process

#78
20140318320
2014-10-30

Starting a smelting process

#79
20140318319
2014-10-30

Starting a smelting process

#80
20140239562
2014-08-28

Material supply apparatus and process

#81
20140090518
2014-04-03

Method for obtaining metals and rare earth metals from scrap

#82
20130102806
2013-04-25

Method for synthesizing rare earth metal extractant

#83
20130022522
2013-01-24

SYNTHETIC RUTILE PROCESS A

#84
20130022521
2013-01-24

SYNTHETIC RUTILE PROCESS B

#85
20120297930
2012-11-29

Method and apparatus for condensing metal vapours using a nozzle and a molten collector

#86
20120200014
2012-08-09

Apparatus for injecting gas into a vessel

#87
20120119424
2012-05-17

System and method for producing metallic iron

#88
20120103136
2012-05-03

APPARATUS AND METHOD FOR PRODUCING REDUCED IRON FROM ALKALI-CONTAINING IRONMAKING DUST SERVING AS MATERIAL

#89
20120067171
2012-03-22

Direct smelting process and apparatus

#90
20120036960
2012-02-16

Direct processing of metallic ore concentrates into ferroalloys

#91
20120013053
2012-01-19

Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc

#92
20120007292
2012-01-12

METHOD AND APPARATUS FOR PRODUCING REDUCED METAL

#93
20110308354
2011-12-22

Material supply apparatus and process

#94
20110308353
2011-12-22

Production of iron from metallurgical waste

#95
20110239822
2011-10-06

PRODUCTION OF FERRO-ALLOYS

#96
20110226092
2011-09-22

Process for producing molten iron and apparatus for producing molten iron

#97
20110206592
2011-08-25

Low cost routes to high purity silicon and derivatives thereof

#98
20110206591
2011-08-25

Plasma processes for producing silanes and derivatives thereof

#99
20110197707
2011-08-18

Method for reducing oxidic slags and dusts using inductively heated furnace

#100
20110185856
2011-08-04

Ironmaking and steelmaking

#101
20110179907
2011-07-28

Method for processing solid or molten materials

#102
20110179794
2011-07-28

Production process

#103
20110165332
2011-07-07

Carbothermic processes

#104
20110118100
2011-05-19

Production of nickel

#105
20110113926
2011-05-19

Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead

#106
20110107874
2011-05-12

Method for producing briquette, method for producing reduced metal, and method for separating zinc or lead

#107
20110100162
2011-05-05

Method and system for producing metallic iron nuggets

#108
20110068522
2011-03-24

Apparatus for injecting gas into a vessel

#109
20110036204
2011-02-17

METHOD FOR PRODUCING REDUCED IRON

#110
20110024681
2011-02-03

TITANIUM OXIDE-CONTAINING AGGLOMERATE FOR PRODUCING GRANULAR METALLIC IRON

#111
20110023657
2011-02-03

Process for producing reduced iron pellets, and process for producing pig iron

#112
20110020663
2011-01-27

Metal reduction processes, metallurgical processes and products and apparatus

#113
20110018179
2011-01-27

METAL REDUCTION PROCESSES, METALLURGICAL PROCESSES AND PRODUCTS AND APPARATUS

#114
20100300246
2010-12-02

Method of producing non-pyrophoric metallic iron

#115
20100294079
2010-11-25

Metal oxide-bearing green pellets for reducing furnace, method of production of same, method of reduction of same, and reduction facility

#116
20100270715
2010-10-28

Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons

#117
20100242676
2010-09-30

Recovery of residues containing copper and other valuable metals

#118
20100218646
2010-09-02

Producing method of direct reduced iron

#119
20100218644
2010-09-02

Method of Producing Metals and Alloys by Carbothermal Reduction of Metal Oxides

#120
20100199806
2010-08-12

Method of producing reduced iron cast, and method of producing pig iron

#121
20100192726
2010-08-05

Method for reduction treatment of electric furnace dust

#122
20100189637
2010-07-29

Method for the valorisation of zinc-and sulphate-rich residue

#123
20100164150
2010-07-01

Method and system for producing metallic iron nuggets

#124
20100139456
2010-06-10

Reduction treatment apparatus and method of reduction treatment

#125
20100126312
2010-05-27

Direct smelting of zinc bearing compounds to produce metallic zinc

#126
20100126311
2010-05-27

DIRECT PROCESSING OF METALLIC ORE CONCENTRATES INTO FERROALLOYS

#127
20100126310
2010-05-27

Direct processing of ferrotitania ores and sands

#128
20100107818
2010-05-06

System and method for producing metallic iron nodules

#129
20100107817
2010-05-06

Method for recovering valuable metals from wastes

#130
20100107815
2010-05-06

Use of alumina-carbon agglomerates in the carbothermic production of aluminum

#131
20100068088
2010-03-18

Hot briquette iron and method for producing the same

#132
20100064850
2010-03-18

Carbothermic processes

#133
20100050814
2010-03-04

Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma

#134
20100037728
2010-02-18

Method for reducing chromium containing raw material

#135
20100031777
2010-02-11

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

#136
20100031771
2010-02-11

Method for reducing oxidic slags and dusts and inductively heatable furnance for carrying out this method

#137
20100015028
2010-01-21

PURIFICATION METHOD

#138
20100005928
2010-01-14

Method for producing agglomerated material

#139
20090311154
2009-12-17

Extraction process for reactive metal oxides

#140
20090249921
2009-10-08

Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate

#141
20090229414
2009-09-17

System and method for producing metallic iron

#142
20090229409
2009-09-17

Feed material composition and handling in a channel induction furnace

#143
20090229408
2009-09-17

Use of a channel induction furnace to process at least one of a molten metal product, a vapor phase metal product and a slag product from a variety of feed materials

#144
20090229407
2009-09-17

Reductant addition in a channel induction furnace

#145
20090229406
2009-09-17

Slag control in a channel induction furnace

#146
20090217785
2009-09-03

METHOD FOR SEPARATING IMPURITIES OUT OF FEED STOCK IN COPPER MELTS

#147
20090214378
2009-08-27

Method for the production of valve metal powders

#148
20090208405
2009-08-20

Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors

#149
20090199679
2009-08-13

Carbothermic processes

#150
20090175753
2009-07-09

Method and system for producing metallic iron nuggets

#151
20090090216
2009-04-09

Process for producing molten iron and apparatus for producing molten iron

#152
20090031859
2009-02-05

Method for producing metallic iron

#153
20090013823
2009-01-15

Use of alumina-carbon agglomerates in the carbothermic production of aluminum

#154
20090007723
2009-01-08

Method for using fracture resistant electrodes in a carbothermic reduction furnace

#155
20080295647
2008-12-04

Apparatus for manufacturing molten irons by injecting fine coals into a melter-gasifier and the method using the same

#156
20080265473
2008-10-30

Inducing swirl in a gas flow

#157
20080250900
2008-10-16

Method and apparatus for lead smelting

#158
20080250899
2008-10-16

Processing metallurgical slag

#159
20080229881
2008-09-25

Direct reduction process

#160
20080196551
2008-08-21

Separation of Metal Values in Zinc Leaching Residues

#161
20080196545
2008-08-21

Low carbon aluminum production method using single furnace carbothermic reduction operated in batch mode

#162
20080086946
2008-04-17

Rapid solar-thermal conversion of biomass to syngas

#163
20080016986
2008-01-24

Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process

#164
20080016984
2008-01-24

SYSTEMS AND METHODS FOR CARBOTHERMICALLY PRODUCING ALUMINUM

#165
20070295165
2007-12-27

Process for Producing Molten Iron and Apparatus Therefor

#166
20070283785
2007-12-13

Process for recovery of iron from copper slag

#167
20070256518
2007-11-08

Ironmaking and steelmaking

#168
20070227307
2007-10-04

Method for reducing Cr in metallurgical slags containing Cr

#169
20070209480
2007-09-13

Production of iron using environmentally-benign renewable or recycled reducing agents

#170
20070209479
2007-09-13

Method and apparatus for reducing metal-oxygen compounds

#171
20070157761
2007-07-12

Use of an induction furnace for the production of iron from ore

#172
20070125197
2007-06-07

Recovery of non-ferrous metals from zinc residues

#173
20070079632
2007-04-12

Thin silicon layer and method of manufacturing thereof

#174
20070034055
2007-02-15

Method and apparatus for producing reduced metal

#175
20060278040
2006-12-14

Process for producing reduced metal and agglomerate with carbonaceous material incorporated therein

#176
20060237327
2006-10-26

Thermal and electrochemical process for metal production

#177
20060213330
2006-09-28

Method for recycling metallic sludge

#178
20060213323
2006-09-28

Method for recovering platinum group elements

#179
20060196308
2006-09-07

Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace

#180
20060169103
2006-08-03

Process for producing particulate iron metal

#181
20060162499
2006-07-27

Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same

#182
20060162498
2006-07-27

Direct production of refined metals and alloys

#183
20060150775
2006-07-13

Method and system for producing metallic iron nuggets

#184
20060150774
2006-07-13

Method and system for producing metallic iron nuggets

#185
20060150773
2006-07-13

Method and system for producing metallic iron nuggets

#186
20060150772
2006-07-13

Method and system for producing metallic iron nuggets

#187
20060143977
2006-07-06

Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof

#188
20060123952
2006-06-15

Process and apparatus for extracting zinc

#189
20060096420
2006-05-11

Method for reducing chromium containing raw material

#190
20060096419
2006-05-11

Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or lead

#191
20060065071
2006-03-30

Method for utilizing slag

#192
20060042413
2006-03-02

Method using single furnace carbothermic reduction with temperature control within the furnace

#193
20060037436
2006-02-23

Smelting process for the production of iron

#194
20050253118
2005-11-17

Fracture resistant electrodes for a carbothermic reduction furnace

#195
20050188787
2005-09-01

Pyrometallurgic process for the treatment of steelwork residues

#196
20050183720
2005-08-25

Valve for aerosol container

#197
20050175533
2005-08-11

Combustion looping using composite oxygen carriers

#198
20050103157
2005-05-19

Microwave enhancement of the segregation roast

#199
20050092130
2005-05-05

Process and apparatus for the direct reduction of iron oxides in an electrothermal fluidized bed and resultant product

#200
20050034561
2005-02-17

Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall

#201
15928459
2020-05-12

Systems and methods for low temperature metal printing