C22B21/02 - CPC Classification Index

#1

20260110053

2026-04-23

METHOD FOR EXTRACTING ALUMINUM

#2

20240327949

2024-10-03

ALUMINUM PRODUCTION POWERED BY GEOTHERMAL ENERGY

#3

20240229189

2024-07-11

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

#4

20240132994

2024-04-25

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

#5

20240039067

2024-02-01

TREATMENT METHOD FOR POSITIVE ELECTRODE OF NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

#6

20230369670

2023-11-16

Method for recovering active metal of lithium secondary battery

#7

20220243300

2022-08-04

BAUXITE PROCESSING METHOD

#8

20220056557

2022-02-24

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

#9

20190301032

2019-10-03

Aluminum hydroxide solar powered thermal reduction device for aluminum-air fuel cell

#10

20180274059

2018-09-27

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

#11

20180195148

2018-07-12

Apparatus and method for recovery of material

#12

20180179448

2018-06-28

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

#13

20180087129

2018-03-29

Method for producing aluminum-scandium alloy and reactor for implementing the method

#14

20160348211

2016-12-01

Method using plasma-coupled solar thermal energy and related device

#15

20150368752

2015-12-24

Production process

#16

20150275332

2015-10-01

Production of aluminium-scandium alloys

#17

20150203937

2015-07-23

Method for reducing alumina or magnesia by utilizing supersonic gas flow

#18

20150203362

2015-07-23

Methods for Recovering Magnetite from Bauxite Residue

#19

20150024204

2015-01-22

NOVEL PROCESS OF PREPARING NANO METAL AND THE PRODUCTS THEREOF

#20

20140377151

2014-12-25

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

#21

20140260805

2014-09-18

Methods of reducing old oxides in aluminum castings

#22

20130036869

2013-02-14

METHOD FOR PRODUCING ALUMINUM BY MEANS OF METALLOTHERMIC RECOVERY OF ALUMINUM TRICHLORIDE WITH MAGNESIUM AND A DEVICE FOR ITS REALIZATION

#23

20110179794

2011-07-28

Production process

#24

20110165332

2011-07-07

Carbothermic processes

#25

20110156324

2011-06-30

Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes

#26

20100162850

2010-07-01

Carbothermic aluminum production apparatus, systems and methods

#27

20100147113

2010-06-17

Decarbonization process for carbothermically produced aluminum

#28

20100107815

2010-05-06

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

#29

20100064850

2010-03-18

Carbothermic processes

#30

20090199679

2009-08-13

Carbothermic processes

#31

20090188348

2009-07-30

Continuous process

#32

20090139371

2009-06-04

Carbothermic aluminum production apparatus, systems and methods

#33

20090013823

2009-01-15

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

#34

20090007723

2009-01-08

Method for using fracture resistant electrodes in a carbothermic reduction furnace

#35

20080317085

2008-12-25

Lining for Carbothermic Reduction Furnace

#36

20080237058

2008-10-02

Method for Producing Aluminum and Method for Producing a Gas-Tight Electrode for Carbothermic Reduction Furnace

#37

20080196545

2008-08-21

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

#38

20080016984

2008-01-24

SYSTEMS AND METHODS FOR CARBOTHERMICALLY PRODUCING ALUMINUM

#39

20060042413

2006-03-02

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

#40

20050254544

2005-11-17

Gas-tight electrode for carbothermic reduction furnace

#41

20050254543

2005-11-17

Lining for carbothermic reduction furnace

#42

20050253118

2005-11-17

Fracture resistant electrodes for a carbothermic reduction furnace

#43

20050217432

2005-10-06

Apparatus and method for the reduction of metals

#44

20050109162

2005-05-26

Apparatus and method for the reduction of metals

#45

20050041719

2005-02-24

Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace