ClassID:

119277

C22B5/12 - CPC Classification

Classification description:

Dry methods smelting of sulfides or formation of mattes by gases

Sub-classes:
Recent Application in this class:
#1
20260117341
2026-04-30

LEAD-RECOVERY PROCESS

#2
20260055480
2026-02-26

METHOD FOR PROCESSING MATERIALS CONTAINING IRON AND ZINC

#3
20250290173
2025-09-18

METHOD FOR PROCESSING MATERIALS CONTAINING IRON AND ZINC

#4
20250243561
2025-07-31

METHOD FOR RECOVERING METAL FOR THE REGENERATING SPENT CATALYST

#5
20250188565
2025-06-12

BIOMASS PYROLYSIS INTEGRATED WITH BIO-REDUCTION OF METAL ORES, HYDROGEN PRODUCTION, AND/OR ACTIVATED-CARBON PRODUCTION

#6
20250179596
2025-06-05

BIOMASS DIRECT REDUCED IRON

#7
20250109459
2025-04-03

METHOD FOR RECOVERING METALS FROM METAL ALLOYS AND INTERMETALLICS

#8
20250084502
2025-03-13

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

#9
20250075287
2025-03-06

METHOD AND APPARATUS FOR RECOVERING COPPER, BRONZE AND LEAD FROM MIXTURE OF COPPER OXIDE, TIN OXIDE AND LEAD OXIDE

#10
20250066878
2025-02-27

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

#11
20250066877
2025-02-27

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

#12
20250066876
2025-02-27

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

#13
20250066875
2025-02-27

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

#14
20250003026
2025-01-02

REDUCING AND NON-BLAST FURNACE SMELTING METHOD OF ALKALINE VANADIUM-TITANIUM PELLETS AND HOT-PRESSED CARBON-CONTAINING VANADIUM-TITANIUM PELLETS

#15
20240416308
2024-12-19

Device Comprising a Reaction Container for Solids Reactions

#16
20240318279
2024-09-26

AGGLOMERATED ORE AND METHOD FOR PRODUCING SAME

#17
20240271302
2024-08-15

SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND ELECTROLYZER THEREFORE

#18
20240110305
2024-04-04

Sulfur dioxide depolarized electrolysis and electrolyzer therefore

#19
20240093330
2024-03-21

ARRANGEMENT AND PROCESS FOR CHARGING IRON ORE TO, AND/OR DISCHARGING SPONGE IRON FROM, A DIRECT REDUCTION SHAFT

#20
20240093329
2024-03-21

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

#21
20240043959
2024-02-08

DIRECTED LASER ENERGY TO REDUCE METAL OXIDES

#22
20240002975
2024-01-04

Method for the pyrometallurgical smelting of metal-containing raw materials, waste materials and/or secondary waste materials

#23
20230357884
2023-11-09

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PRODUCTION OF REDUCING GAS

#24
20230332274
2023-10-19

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

#25
20230257854
2023-08-17

METHOD AND DEVICE FOR ACCURATELY CONTROLLING REDUCTION VALENCE STATE OF HIGH-PURITY VANADIUM PENTOXIDE

#26
20230238599
2023-07-27

METHOD FOR RECOVERING ACTIVE METALS FROM LITHIUM SECONDARY BATTERY

#27
20230155202
2023-05-18

BATTERY RECYCLING BY REDUCTION AND CARBONYLATION

#28
20230108786
2023-04-06

METHOD FOR RECOVERING ACTIVE METAL OF LITHIUM SECONDARY BATTERY

#29
20230063785
2023-03-02

MATERIAL TREATMENT APPARATUS AND PROCESS USING HYDROGEN

#30
20230024705
2023-01-26

System and method for producing critical minerals

#31
20230002841
2023-01-05

Method and device for producing direct reduced, carburized metal

#32
20220396851
2022-12-15

METHOD FOR PRODUCING COPPER METAL FROM COPPER CONCENTRATES WITHOUT GENERATING WASTE

#33
20220259699
2022-08-18

RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF

#34
20220220579
2022-07-14

Rhenium Remediation in the Preparation of Molybdenum-99

#35
20220162726
2022-05-26

BIOMASS PYROLYSIS INTEGRATED WITH BIO-REDUCTION OF METAL ORES, HYDROGEN PRODUCTION, AND/OR ACTIVATED-CARBON PRODUCTION

#36
20220162725
2022-05-26

BIOMASS PYROLYSIS INTEGRATED WITH BIO-REDUCTION OF METAL ORES, HYDROGEN PRODUCTION, AND/OR ACTIVATED-CARBON PRODUCTION

#37
20220162064
2022-05-26

BIOMASS PYROLYSIS INTEGRATED WITH BIO-REDUCTION OF METAL ORES, HYDROGEN PRODUCTION, AND/OR ACTIVATED-CARBON PRODUCTION

#38
20220119915
2022-04-21

METHOD FOR BREAKING DOWN A MIXTURE OF SOLID PARTICLES COMPRISING RUTHENIUM

#39
20220119914
2022-04-21

Method and device for producing direct reduced metal

#40
20220098701
2022-03-31

Bio-reduction of metal ores integrated with biomass pyrolysis

#41
20220098700
2022-03-31

BIO-REDUCTION OF METAL ORES INTEGRATED WITH BIOMASS PYROLYSIS

#42
20220098685
2022-03-31

Bio-reduction of metal ores integrated with biomass pyrolysis

#43
20220064744
2022-03-03

Method and device for producing direct reduced metal

#44
20220017990
2022-01-20

Process for the recovery of lithium

#45
20220010405
2022-01-13

Method and device for producing direct reduced metal

#46
20220002837
2022-01-06

Method and apparatus for recovering copper, bronze and lead from mixture of copper oxide, tin oxide and lead oxide

#47
20210140010
2021-05-13

DEVICES, METHODS, AND SYSTEMS FOR COMBINED ORE REDUCTION AND METALS STRIPPING

#48
20210025027
2021-01-28

Rare earth oxide to rare earth extraction apparatus and method of use thereof

#49
20210025025
2021-01-28

RARE EARTH EXTRACTION APPARATUS AND METHOD OF USE THEREOF

#50
20200263274
2020-08-20

Producing method for producing magnesium hydride, power generation system using magnesium hydride, and producing apparatus for producing magnesium hydride

#51
20190382871
2019-12-19

METHOD FOR HIGH-PURITY TIN RECOVERY AND HYDROGEN PRODUCTION USING METHANE REDUCTION

#52
20190368003
2019-12-05

System and method of high pressure oxy-fired (hiPrOx) flash metallization

#53
20190300982
2019-10-03

LOW TEMPERATURE DIRECT REDUCTION OF METAL OXIDES VIA THE IN SITU PRODUCTION OF REDUCING GAS

#54
20190161824
2019-05-30

Extraction of selected platinum-group metals from supported catalyst

#55
20190047052
2019-02-14

METHOD FOR PRODUCING NICKEL POWDER

#56
20180223393
2018-08-09

Method of producing titanium from titanium oxides through magnesium vapour reduction

#57
20180178292
2018-06-28

Novel Methods of Metals Processing

#58
20180112290
2018-04-26

Process for digestion of a metallic iridium- and/or iridium oxide-comprising mixture of solid particles

#59
20180073102
2018-03-15

Method and arrangement for operating a metallurgical furnace and computer program product

#60
20180037974
2018-02-08

Method of producing titanium from titanium oxides through magnesium vapour reduction

#61
20180003440
2018-01-04

LINTEL SHELF COOLERS IN VERTICALLY ORIENTED FURNACES

#62
20170349969
2017-12-07

Reduction device using liquid metal

#63
20170292168
2017-10-12

Methods for mitigating the buildup of direct reduced iron clusters on the walls of a direct reduction furnace

#64
20170198371
2017-07-13

METHOD FOR RECOVERING METALS FROM SECONDARY MATERIALS AND OTHER MATERIALS COMPRISING ORGANIC CONSTITUENTS

#65
20170114451
2017-04-27

Methods of forming an ALD-inhibiting layer using a self-assembled monolayer

#66
20160244864
2016-08-25

PRODUCTION OF CHROMIUM IRON ALLOYS DIRECTLY FROM CHROMITE ORE

#67
20160208363
2016-07-21

PROCESSES FOR RECOVERING TANTALUM AND NIOBIUM WITH CARBON TETRACHLORIDE

#68
20160208350
2016-07-21

SMELTING APPARATUS AND METHOD OF USING THE SAME

#69
20160102375
2016-04-14

Method and plant for producing iron from roasted pyrites

#70
20160060728
2016-03-03

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

#71
20150345869
2015-12-03

Reformer gas-based reducing method with reduced NOemission

#72
20150329930
2015-11-19

Reformer-gas-based reduction process with decarbonization of the fuel gas for the reformer

#73
20150300740
2015-10-22

Method for smelting non-ferrous metal sulfides in a suspension smelting furnace and suspension smelting furnace

#74
20150225812
2015-08-13

Method for concentrating metal compound by reduction and oxidation

#75
20150203937
2015-07-23

Method for reducing alumina or magnesia by utilizing supersonic gas flow

#76
20150197828
2015-07-16

Method of using a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner

#77
20150068365
2015-03-12

Integrated process for production of ozone and oxygen

#78
20150040728
2015-02-12

Method and apparatus for high temperature production of metals

#79
20150004314
2015-01-01

Bis(trimethylsilyl) six-membered ring systems and related compounds as reducing agents for forming layers on a substrate

#80
20140345425
2014-11-27

Starting a smelting process

#81
20140318320
2014-10-30

Starting a smelting process

#82
20140318319
2014-10-30

Starting a smelting process

#83
20140096650
2014-04-10

Process for the improvement of reducibility of ore pellets

#84
20140090518
2014-04-03

Method for obtaining metals and rare earth metals from scrap

#85
20140083252
2014-03-27

REDUCTION OF METAL OXIDES USING GAS STREAM CONTAINING BOTH HYDROCARBON AND HYDROGEN

#86
20130291684
2013-11-07

Process and plant for treating ore concentrate particles containing valuable metal

#87
20130220077
2013-08-29

Method and apparatus for high temperature production of metals

#88
20120263619
2012-10-18

Method for preparing a metallic article having an other additive constituent, without any melting

#89
20120228811
2012-09-13

Method of feeding fuel gas into the reaction shaft of a suspension smelting furnace and a concentrate burner

#90
20120227543
2012-09-13

Continuous fire reduction of liquid copper

#91
20120204679
2012-08-16

Method of controlling the thermal balance of the reaction shaft of a suspension smelting furnace and a concentrate burner

#92
20120200012
2012-08-09

Method of using a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner

#93
20120174710
2012-07-12

Reformer-gas-based reduction process with decarbonization of the fuel gas for the reformer

#94
20120160062
2012-06-28

Reformer gas-based reducing method with reduced NO emission

#95
20120073406
2012-03-29

Method and apparatus for recovering valuable metals from slag and manufacturing multifunctional aggregate

#96
20110286898
2011-11-24

Process for recovering ruthenium from used ruthenium oxide-comprising catalysts

#97
20110179907
2011-07-28

Method for processing solid or molten materials

#98
20110165041
2011-07-07

Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates

#99
20110067527
2011-03-24

Method for production of niobium and tantalum powder

#100
20100313711
2010-12-16

Method for the melting of pig iron with the recirculation of blast furnace gas and with the addition of hydrocarbons

#101
20100307291
2010-12-09

Reduction of metal chloride

#102
20100284874
2010-11-11

Method for treating fly ash

#103
20100275731
2010-11-04

Apparatus and process for making high purity nickel

#104
20100242682
2010-09-30

METHOD AND SYSTEM OF DRY PROCESSING OF CONVERTER SLAG IN COPPER SMELTING

#105
20100158782
2010-06-24

Magnesiothermic methods of producing high-purity silicon

#106
20100055011
2010-03-04

Method for recovering ruthenium

#107
20100031777
2010-02-11

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

#108
20100015028
2010-01-21

PURIFICATION METHOD

#109
20090324440
2009-12-31

Reduction Processing of Metal-Containing Ores in The Presence of Microwave and RF Energy

#110
20090278095
2009-11-12

Capacitor powder

#111
20090266200
2009-10-29

Method for reducing metal oxide slags or glasses and/or for degassing mineral melts, and device for carrying out said method

#112
20090249922
2009-10-08

Process for the production of steel using a locally produced hydrogen as the reducing agent

#113
20090211401
2009-08-27

Method for the direct reduction of iron oxides to metallic iron utilizing coke oven gas or the like

#114
20090191107
2009-07-30

PROCESSES FOR THE RECOVERY OF RUTHENIUM FROM MATERIALS CONTAINING RUTHENIUM ORRUTHENIUM OXIDES OR FROM RUTHENIUM-CONTAINING NOBLE METAL ORE CONCENTRATES

#115
20090169413
2009-07-02

Process for recycling of steel industry iron bearing by-products, pellet obtained in that process and use thereof

#116
20090107290
2009-04-30

PLASMA-BASED REDUCTION OF TITANIUM OXIDES

#117
20090095134
2009-04-16

Process and Equipment for Blast Furnace Ironmaking Using Pure Oxygen and Gas

#118
20080292488
2008-11-27

Method for preparing a metallic article having an other additive constituent, without any melting

#119
20080267810
2008-10-30

Apparatus and process for making high purity nickel

#120
20080253948
2008-10-16

METHOD FOR THE RECYCLING AND PURIFICATION OF AN INORGANIC METALLIC PRECURSOR

#121
20080190243
2008-08-14

Molybdenum metal powders

#122
20080175740
2008-07-24

Method for producing iron powder respectively microalloyed steel powder mainly for metallurgical applications and method for producing thereof

#123
20080086946
2008-04-17

Rapid solar-thermal conversion of biomass to syngas

#124
20080019901
2008-01-24

Method of making NiO and Ni nanostructures

#125
20080011126
2008-01-17

Production of ferronickel

#126
20080011124
2008-01-17

Deoxidation of Valve Metal Powders

#127
20070227305
2007-10-04

Method for the production of niobium and tantalum powder

#128
20070209479
2007-09-13

Method and apparatus for reducing metal-oxygen compounds

#129
20070122325
2007-05-31

Production of titania

#130
20070108672
2007-05-17

METHOD FOR PRODUCING MOLYBDENUM METAL AND MOLYBDENUM METAL

#131
20070034053
2007-02-15

Production of active nickel powder and transformation thereof into nickel carbonyl

#132
20060213331
2006-09-28

Method for reducing metal oxide and method for producing hydrogen

#133
20060213327
2006-09-28

Method of preparing primary refractory metal

#134
20060107792
2006-05-25

Method for producing fine, low bulk density, metallic nickel powder

#135
20060042417
2006-03-02

Preparation of porous pyrophoric iron using sol-gel methods

#136
20050272238
2005-12-08

Method for depositing and etching ruthenium layers

#137
20050211022
2005-09-29

Integrated ammoniacal solvent extraction and hydrogen reduction of nickel

#138
20050175533
2005-08-11

Combustion looping using composite oxygen carriers

#139
20050097991
2005-05-12

Methods and apparatuses for producing metallic compositions via reduction of metal halides

#140
20050094354
2005-05-05

Capacitor powder

#141
20050000320
2005-01-06

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

#142
15973555
2019-05-14

Method and apparatus for extracting high-purity molybdenum oxide powders and nanopowders from low-grade concentrates

#143
15928459
2020-05-12

Systems and methods for low temperature metal printing

#144
15254232
2019-06-18

Process for recycling rare earth magnets

#145
14790082
2017-12-12

System and method for regeneration and recirculation of a reducing agent using highly exothermic reactions induced by mixed industrial slags