ClassID:

119286

C22B7/004 - CPC Classification

Classification description:

Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals; Dry processes separating two or more metals by melting out (liquation), i.e. heating above the temperature of the lower melting metal component(s); by fractional crystallisation (controlled freezing)

Recent Application in this class:
#1
20260085380
2026-03-26

METHOD FOR MANUFACTURING ALUMINUM BASE MATERIAL

#2
20260062767
2026-03-05

METHOD FOR SEPARATING INDIUM OXIDE AND TIN OXIDE FROM INDIUM TIN OXIDE WASTE TARGET BY VACUUM METHOD

#3
20250382681
2025-12-18

DEZINCING METHOD AND DEZINCING APPARATUS

#4
20250343289
2025-11-06

LITHIUM-CONTAINING SLAG AND METHOD FOR PRODUCING VALUABLE METAL

#5
20250340968
2025-11-06

METAL RECYCLING SYSTEM FOR IN-SPACE MANUFACTURING

#6
20250210742
2025-06-26

APPARATUS FOR SEPARATING AND RECYCLING METAL ELEMENTS IN CATHODE MATERIALS OF LITHIUM BATTERIES

#7
20250158147
2025-05-15

PRODUCTION METHOD FOR VALUABLE METALS

#8
20250125433
2025-04-17

METHOD FOR RECOVERING VALUABLE METALS

#9
20250118820
2025-04-10

METHOD FOR PRODUCING VALUABLE METAL

#10
20250115976
2025-04-10

METHOD OF RECYCLING MIXED ALLOY SCRAP PARTS

#11
20250109460
2025-04-03

Production of Neodymium and Other Rare Earth Metals Using Hydrogen Augmented Magnesium Alloy

#12
20240401169
2024-12-05

Device and method for recovering arsenic and gallium

#13
20240372168
2024-11-07

METHOD FOR SECURELY EXTRACTING LITHIUM FROM AN ELECTRICAL BATTERY COMPRISING SOLID METAL LITHIUM

#14
20240332657
2024-10-03

METHOD FOR RECYCLING WASTE LITHIUM ION BATTERY, METHOD FOR SMART RECYCLING WASTE LITHIUM ION BATTERY AND SYSTEM FOR SMART RECYCLING WASTE LITHIUM ION BATTERY COMPRISING PARTIAL MELT SEPARATION PROCESS FOR LITHIUM ALLOY COMPOUND FORMATION AND GRAPHITE SEPARATION

#15
20240283043
2024-08-22

METHOD OF PRODUCING VALUABLE METAL

#16
20240263269
2024-08-08

IMPROVED METHOD FOR RECYCLING ZINC (ZN)

#17
20240258597
2024-08-01

ENERGY-EFFICIENT PYROMETALLURGICAL PROCESS FOR TREATING LI-ION BATTERIES

#18
20240247335
2024-07-25

METHOD, APPARATUS AND SYSTEM FOR PROCESSING A COMPOSITE WASTE SOURCE

#19
20240204274
2024-06-20

METHOD FOR PRODUCING VALUABLE METAL

#20
20240200165
2024-06-20

Method for recovering rare earth elements from NdFeB waste and use of ferric oxide as raw material of manganese-zinc ferrite

#21
20240141528
2024-05-02

Method and Apparatus for Efficient Metal Distillation and Related Primary Production Process

#22
20240117464
2024-04-11

Treatment of a composition with a plasma

#23
20230411722
2023-12-21

LITHIUM-RICH COMPOSITIONS

#24
20230369667
2023-11-16

Recovery of nickel and cobalt from Black Mass

#25
20230250511
2023-08-10

Recovery of nickel and cobalt from Li-ion batteries or their waste

#26
20230088387
2023-03-23

METAL RECYCLING SYSTEM FOR IN-SPACE MANUFACTURING

#27
20220352570
2022-11-03

PROCESS FOR THE RECOVERY OF LITHIUM AND OTHER METALS FROM WASTE LITHIUM ION BATTERIES

#28
20220307106
2022-09-29

Method of recovering materials bound to a metallic substrate using cryogenic cooling and an aqueous solution

#29
20220154306
2022-05-19

Method for producing a PGM collector alloy

#30
20210277499
2021-09-09

Method of recovering materials bound to a metallic substrate using cryogenic cooling

#31
20210189520
2021-06-24

Method, apparatus and system for processing a composite waste source

#32
20210095925
2021-04-01

Dross handling methods and apparatus

#33
20190309392
2019-10-10

PROCESS FOR THE PREPARATION OF A CONCENTRATE OF METALS, RARE METALS AND RARE EARTH METALS FROM RESIDUES OF ALUMINA PRODUCTION BY BAYER PROCESS OR FROM MATERIALS WITH A CHEMICAL COMPOSITION SIMILAR TO SAID RESIDUES, AND REFINEMENT OF THE CONCENTRATE SO OBTAINED

#34
20190136341
2019-05-09

Process and system for plasma-induced selective extraction and recovery of species from a matrix

#35
20180187285
2018-07-05

Method and apparatus for retrieving valuable metals step by step from waste printed circuit board particles

#36
20170239742
2017-08-24

Device and method for recovering tin-lead solder from scrap

#37
20170229744
2017-08-10

Process for smelting lithium-ion batteries

#38
20150352560
2015-12-10

Method for sorting a collection of bodies comprising cemented carbide bodies and non-cemented carbide bodies

#39
20140174256
2014-06-26

Valuable metal recovery method

#40
20130075964
2013-03-28

Dross handling methods and apparatus

#41
20120024111
2012-02-02

Metal separation using a tunnel kiln furnace

#42
20110243784
2011-10-06

Method for recovering metal from target and method for manufacturing target

#43
20100288076
2010-11-18

Device and method for obtaining non-ferrous metals

#44
20080302297
2008-12-11

Method of recovering sodium metal from flux

#45
20070102853
2007-05-10

DROSS COMPRESSION APPARATUS INCLUDING A COOLING SYSTEM FOR COOLING THE COMPRESSION HEAD AND COOLING METHOD

#46
20070022842
2007-02-01

Device and method for enhancing zinc yield from bottom dross

#47
20060162491
2006-07-27

Method for fractional crystallisation of a molten metal

#48
20050262967
2005-12-01

Method of recycling brazing sheet

#49
20050098930
2005-05-12

Dross compression apparatus including a cooling system for cooling the compression head and cooling method

#50
16200448
2019-10-08

Method of recovering materials bound to a metallic substrate using cryogenic cooling