ClassID:

120907

C25C3/18 - CPC Classification

Classification description:

Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium Electrolytes

Recent Application in this class:
#1
20260002276
2026-01-01

METHODS, SYSTEMS, AND DEVICES FOR PURIFYING METAL-CONTAINING MATERIAL

#2
20250277322
2025-09-04

ATMOSPHERIC CONTROL OF ENCLOSED ELECTROLYTIC CELLS

#3
20250270724
2025-08-28

A PROCESS AND APPARATUS FOR PRODUCTION OF ALUMINIUM, AND A PROCESS AND APPARATUS FOR PRODUCTION OF AN ALUMINIUM CHLORIDE CONTAINING FEEDSTOCK

#4
20250257492
2025-08-14

METHODS AND SYSTEMS FOR PURIFYING METALS OR METAL ALLOYS

#5
20250116023
2025-04-10

METHOD FOR OPERATING AN ELECTROLYTIC CELL

#6
20250034738
2025-01-30

METHOD FOR REDUCING PERFLUOROCARBON EMISSIONS FROM ALUMINUM ELECTROLYSIS

#7
20240351898
2024-10-24

REDUCTION CELL FOR PRODUCING ALUMINUM

#8
20240247391
2024-07-25

METHOD FOR PRODUCING METALLIC ALUMINUM AND POLYSILICON WITH HIGH-SILICON ALUMINUM-CONTAINING RESOURCE

#9
20240141529
2024-05-02

METHOD FOR PRODUCING METAL ALUMINUM BY MOLTEN SALT ELECTROLYSIS OF ALUMINUM OXIDE

#10
20240101431
2024-03-28

CO-PRODUCTION OF HYDROGEN, CARBON, ELECTRICITY, AND ALUMINUM PRODUCTS WITH CARBON DIOXIDE CAPTURE

#11
20240003030
2024-01-04

REMOVING IMPURITIES FROM AN ELECTROLYTE

#12
20230392273
2023-12-07

METHOD FOR MANUFACTURING RECYCLED ALUMINUM, MANUFACTURING EQUIPMENT, MANUFACTURING SYSTEM, RECYCLED ALUMINUM, AND PROCESSED ALUMINUM PRODUCT

#13
20230098064
2023-03-30

Process for Selective Chlorination of Aluminous Ores for the Preparation of Aluminum

#14
20230093860
2023-03-30

METHODS OF PRODUCING ALUMINUM FLUORIDE FROM CRYOLITE BATH

#15
20230077624
2023-03-16

SYSTEMS AND METHODS FOR ENERGY EFFICIENT ELECTROLYSIS CELLS

#16
20220275529
2022-09-01

Apparatus and method for operating an electrolytic cell

#17
20220275528
2022-09-01

Apparatus and method for operating an electrolytic cell

#18
20220002892
2022-01-06

METHOD AND APPARATUS FOR PRODUCING ALUMINUM MATERIAL

#19
20200308722
2020-10-01

Method for transforming a crystal form of an electrolyte containing lithium for aluminum electrolysis

#20
20200080213
2020-03-12

Device and method for determining the composition of an electrolyte

#21
20190376197
2019-12-12

Systems and methods for purifying aluminum

#22
20190330752
2019-10-31

Method for producing aluminum

#23
20190292670
2019-09-26

Method and apparatus for producing electrolytic aluminum foil

#24
20190127868
2019-05-02

Aluminum electrolytic bath having continuous aluminum-frame anode with built-in conductors

#25
20180087129
2018-03-29

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

#26
20180038004
2018-02-08

Aluminum electrolyzer electrode (variants)

#27
20170159192
2017-06-08

MOLECULAR RESONANT FREQUENCY ENHANCEMENT OF METAL OXIDE REFINING

#28
20160258074
2016-09-08

Treatment of titanium ores

#29
20160230297
2016-08-11

Systems and methods for purifying aluminum

#30
20160145753
2016-05-26

Electrolyte for obtaining melts using an aluminum electrolyzer

#31
20160108532
2016-04-21

METHOD AND APPARATUS FOR LIQUID METAL ELECTRODE CONNECTION IN PRODUCTION OR REFINING OF METALS

#32
20150299880
2015-10-22

Electrolytic cell

#33
20150203978
2015-07-23

Method for preparing an electrolyte and an electrolyte replenishment system during aluminum electrolysis process

#34
20150183645
2015-07-02

Method for preparing zirconium boride and synchronously preparing cryolite

#35
20150175436
2015-06-25

Method for preparing aluminum-zirconium-boron alloy and synchronously preparing crylite

#36
20150122665
2015-05-07

ELECTROLYTE USED FOR ALUMINUM ELECTROLYSIS AND ELECTROLYSIS PROCESS USING THE ELECTROLYTE

#37
20150122664
2015-05-07

ELECTROLYSIS TANK USED FOR ALUMINUM ELECTROLYSIS AND ELECTROLYSIS PROCESS USING THE ELECTROLYZER

#38
20150027902
2015-01-29

Process for manufacturing aluminum from bauxite or its residue

#39
20140138254
2014-05-22

SODIUM CRYOLITE FOR ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF

#40
20140131216
2014-05-15

Potassium cryolite for aluminum electrolysis industry and preparation method thereof

#41
20140131215
2014-05-15

Electrolyte supplement system in aluminium electrolysis process and method for preparing the same

#42
20140131214
2014-05-15

Low-molecular-ratio cryolite for aluminium electrolytic industry and method for preparing the same

#43
20130092552
2013-04-18

POTASSIUM CRYOLITE FOR ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF

#44
20130092551
2013-04-18

Electrolyte supplement system in aluminium electrolysis process and method for preparing the same

#45
20130092550
2013-04-18

Low-molecular-ratio cryolite for aluminium electrolytic industry and method for preparing the same

#46
20120152756
2012-06-21

Treatment of titanium ores

#47
20120000790
2012-01-05

Electrorecovery of metals

#48
20110083967
2011-04-14

Electrodeposited alloys and methods of making same using power pulses

#49
20110000782
2011-01-06

Aluminum recovery process

#50
20080202939
2008-08-28

Process For the Electrolysis of Aluminiumsulfide

#51
20070193878
2007-08-23

Non-carbon anodes with active coatings

#52
20070187232
2007-08-16

Non-carbon anodes with active coatings

#53
20070144617
2007-06-28

Non-carbon anodes

#54
20050092619
2005-05-05

Process for electrolytic production of aluminum