ClassID:

119493

C22B34/22 - CPC Classification

Classification description:

Obtaining refractory metals; Obtaining niobium, tantalum or vanadium Obtaining vanadium

Sub-classes:
Recent Application in this class:
#1
20260085382
2026-03-26

PROCESS OF PROVIDING TITANIUM DIOXIDE AND/OR VANADIUM OXIDE

#2
20260055005
2026-02-26

SELECTIVE EXTRACTION AND SEPARATION OF VANADIUM AND IRON

#3
20260002225
2026-01-01

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

#4
20250276330
2025-09-04

VANADIUM RECOVERY

#5
20250270671
2025-08-28

METHOD FOR METAL PRODUCTION

#6
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

#7
20240384176
2024-11-21

Methods for Recovery of Vanadium and Coke Carbon Capture and Sequestration

#8
20240344176
2024-10-17

RECOVERY OF VANADIUM FROM LEACH RESIDUES

#9
20240270588
2024-08-15

PROCESS FOR TREATMENT OF A SODIUM SULFATE CONTAINING RESIDUE PROCESS STREAM OF A BATTERY MANUFACTURING FACILITY, A BATTERY RECYCLING FACILITY, OR A STEEL PRODUCTION PLANT

#10
20240229189
2024-07-11

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#11
20240132994
2024-04-25

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#12
20230312364
2023-10-05

PROCESSING OF TITANIFEROUS ORES AND MINERALS

#13
20230257854
2023-08-17

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

#14
20230227940
2023-07-20

RECOVERY OF VANADIUM FROM ALKALINE SLAG MATERIALS

#15
20230220516
2023-07-13

PROCESS FOR RECOVERING TITANIUM DIOXIDE

#16
20220380865
2022-12-01

VANADIUM RECOVERY PROCESS

#17
20220364205
2022-11-17

Method for extracting a refractory metal from an ore, a concentrate or a waste product

#18
20220364204
2022-11-17

METHOD AND APPARATUS FOR PRODUCING VANADIUM COMPOUND, AND METHOD AND APPARATUS FOR PRODUCING REDOX-FLOW BATTERY ELECTROLYTE

#19
20220356543
2022-11-10

Method for co-extraction of vanadium, titanium and chromium from vanadium slag

#20
20220298602
2022-09-22

Combustion ash handling method and system, and petroleum-based fuel combustion plant

#21
20220056557
2022-02-24

METHOD FOR RECOVERY OF METAL-CONTAINING MATERIAL FROM A COMPOSITE MATERIAL

#22
20210172041
2021-06-10

BYPRODUCT SCANDIUM RECOVERY FROM LOW GRADE PRIMARY METAL OXIDE ORES

#23
20210079488
2021-03-18

SYSTEM FOR PROCESSING RED MUD AND METHOD OF PROCESSING RED MUD

#24
20200370145
2020-11-26

Process for recovering vanadium in the form of iron vanadate from a gasifier slag

#25
20200290889
2020-09-17

METHOD FOR PRODUCING VANADATE

#26
20200246875
2020-08-06

Method for preparing vanadium and vanadium alloy powder from vanadium-containing materials through shortened process

#27
20200224292
2020-07-16

Recovery of scandium and vanadium values from feedstocks using ultrasound-assisted extraction

#28
20200131600
2020-04-30

Method for preparing a leach feed matertial

#29
20200087152
2020-03-19

Process for recovering ammonia from vanadium preparation for ammonium preparation and recycling wastewater

#30
20200039838
2020-02-06

SYSTEM FOR EXTRACTING VANADIUM FROM LEACHING SOLUTION CONTAINING VANADIUM CHROMIUM SILICON AND FOR PREPARING VANADIUM PENTOXIDE AND PROCESSING METHOD THEREFOR

#31
20190292630
2019-09-26

Method for recovering a minor metal and/or rare-earth metal

#32
20190093194
2019-03-28

Process for the separation of vanadium

#33
20180297856
2018-10-18

Vanadium recovery method

#34
20180274059
2018-09-27

Method for recovery of metal-containing material from a composite material

#35
20180237312
2018-08-23

METHOD OF PRODUCING VANADIUM ELECTROLYTIC SOLUTION FOR REDOX FLOW CELL

#36
20180209014
2018-07-26

Vanadium recovery method, method for producing electrolytic solution for redox flow batteries, vanadium recovery device, and device for producing electrolytic solution for redox flow batteries

#37
20180163283
2018-06-14

Tungsten and vanadium separation

#38
20180141128
2018-05-24

Methods using high surface area per volume reactive particulate

#39
20180135149
2018-05-17

Method for producing vanadium compound, method for producing vanadium solution, and method for producing redox flow battery electrolyte

#40
20180017327
2018-01-18

Plant and method for recovering metals and/or metal oxides from industrial process waste, in particular refinery waste

#41
20180010209
2018-01-11

Method for production of a composite material using excess oxidant

#42
20170349971
2017-12-07

Method for producing electrolyte for vanadium batteries from oil sand waste

#43
20170298473
2017-10-19

Method for production of a composite material using excess oxidant

#44
20170218479
2017-08-03

Method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step

#45
20160258074
2016-09-08

Treatment of titanium ores

#46
20160258038
2016-09-08

Leaching of minerals

#47
20160060728
2016-03-03

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

#48
20150252448
2015-09-10

PRODUCTION OF HIGH-GRADE SYNTHETIC RUTILE FROM LOW-GRADE TITANIUM-BEARING ORES

#49
20150139873
2015-05-21

METHOD FOR THE EXTRACTION OF VANADIUMPENTOXIDE, V2O5, FROM A SOURCE CONTAINING VANADIUM

#50
20150075065
2015-03-19

METHOD FOR PROCESSING ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHECICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND/OR METHOD FOR EXTRACTING OR DEPOSITING HEAVY ELEMENT SPECIES AND/OR ORGANIC COMPONENTS OF ASPHALTENE AND/OR INORGANIC SUBSTANCE FROM THE ORGANIC PHASE SUBSTANCE BY USING HALOGEN-CONTAINING CHEMICAL OR CHEMICALS AND/OR MIXTURE CONTAINING OXYGEN-CONTAINING OXIDIZER OR OXIDIZERS AND ORGANIC CARBONYL ANALOGUE OR ANALOGUES, AND PLANT USING FOR THE METHOD, AND ORGANIC PHASE SUBSTANCE

#51
20140134083
2014-05-15

Method for extracting vanadium from shale

#52
20130315804
2013-11-28

Fly Ash and Fly Ash Leachate Treatment

#53
20130195738
2013-08-01

PROCESS FOR THE RECOVERY OF TITANIUM DIOXIDE AND VALUE METALS AND SYSTEM FOR SAME

#54
20130125708
2013-05-23

Method for the extraction and recovery of vanadium

#55
20120164040
2012-06-28

Methods for the concentration of vanadium from carbonaceous feedstock materials

#56
20120152756
2012-06-21

Treatment of titanium ores

#57
20110262323
2011-10-27

Hydromethanation of a carbonaceous feedstock with vanadium recovery

#58
20110139628
2011-06-16

Method of producing calcium carbonate from waste and by-products

#59
20110052481
2011-03-03

METHOD OF TREATING METALLIFERROUS MATERIALS

#60
20100107817
2010-05-06

Method for recovering valuable metals from wastes

#61
20080264208
2008-10-30

Liquid injection of VCLinto superheated TiCLfor the production of Ti-V alloy powder

#62
20060275202
2006-12-07

Method for producing complex oxide of metal

#63
20060258531
2006-11-16

Method for manufacturing hydrorefining catalyst, and metal recovery method

#64
20050097991
2005-05-12

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

#65
14790082
2017-12-12

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