ClassID:

119284

C22B7/002 - 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 by treating with halogens, sulfur or compounds thereof; by carburising, by treating with hydrogen (hydriding)

Recent Application in this class:
#1
20260135176
2026-05-14

LITHIUM RECOVERY METHOD

#2
20260043110
2026-02-12

PROCESS FOR HEAVY METAL REMOVAL FROM IRON- AND STEELMAKING FLUE DUST

#3
20250197963
2025-06-19

METHOD OF USING A CHLORINATION METHOD TO RECYCLE METAL ELEMENTS IN LITHIUM BATTERIES

#4
20250158146
2025-05-15

METHOD FOR RECOVERING VALUABLE METALS FROM POSITIVE ELECTRODE OF WASTE LITHIUM IRON PHOSPHATE

#5
20250109460
2025-04-03

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

#6
20250109459
2025-04-03

METHOD FOR RECOVERING METALS FROM METAL ALLOYS AND INTERMETALLICS

#7
20250046900
2025-02-06

METHOD FOR MANUFACTURING BATTERY MATERIAL

#8
20240384370
2024-11-21

PROCESS FOR THE RECOVERY OF LITHIUM

#9
20240283045
2024-08-22

Process for Recycling Battery Materials By Way of Reductive, Pyrometallurgical Treatment

#10
20240209474
2024-06-27

METHOD FOR RECOVERING LITHIUM FROM A WASTE LITHIUM SECONDARY BATTERY USING A PYROMETALLUGICAL PROCESS

#11
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

#12
20240055681
2024-02-15

PROCESS FOR RECOVERING MATERIALS FROM SPENT RECHARGEABLE LITHIUM BATTERIES

#13
20240018624
2024-01-18

METHOD FOR SELECTIVE EXTRACTION OF GOLD BY NIACIN

#14
20240014457
2024-01-11

METHOD FOR PRODUCING SECONDARY BATTERY MATERIAL FROM BLACK MASS

#15
20230323507
2023-10-12

METHOD OF RECYCLING NICKEL FROM WASTE BATTERY MATERIAL

#16
20230151453
2023-05-18

METHOD FOR RECOVERING VALUABLE METAL

#17
20230137480
2023-05-04

HYDROMETALLURGICAL METHOD FOR SIMULTANEOUSLY EXTRACTING METALS AND GYPSUM FROM THE DUST OF A STEELWORKS ELECTRIC ARC FURNACE

#18
20220325375
2022-10-13

METAL RECOVERY PROCESS

#19
20220017990
2022-01-20

Process for the recovery of lithium

#20
20200318218
2020-10-08

PROCESS FOR THE RECOVERY AND RECYCLING OF MATERIALS THAT CONSTITUTE SUPPORTED PALLADIUM MEMBRANES

#21
20200222954
2020-07-16

Process for the purification of waste materials or industrial by-products comprising chlorine

#22
20200165703
2020-05-28

METHOD OF PRODUCING TITANIUM AND TITANIUM ALLOY NANOPOWDER FROM TITANIUM-CONTAINING SLAG THROUGH SHORTENED PROCESS

#23
20190040494
2019-02-07

Bauxite residue recycling

#24
20170349971
2017-12-07

Method for producing electrolyte for vanadium batteries from oil sand waste

#25
20170218478
2017-08-03

GOLD RECOVERY

#26
20170209933
2017-07-27

Method for recycling waste cemented carbide by molten salt chemistry

#27
20160348212
2016-12-01

Method for separating the mixture of zirconium oxide/hafnium oxide by pyrometallurgy

#28
20160102375
2016-04-14

Method and plant for producing iron from roasted pyrites

#29
20150166411
2015-06-18

Method for reducing hexavalent chromium in oxidic solids

#30
20130263699
2013-10-10

Magnet recycling

#31
20130177487
2013-07-11

Upgrading of precious metals concentrates and residues

#32
20130064742
2013-03-14

PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS

#33
20120152062
2012-06-21

Rare earth recovery from phosphor material and associated method

#34
20120144959
2012-06-14

SMELTING METHOD

#35
20120137829
2012-06-07

Magnet recycling

#36
20120114539
2012-05-10

Metal recovery process

#37
20110286898
2011-11-24

Process for recovering ruthenium from used ruthenium oxide-comprising catalysts

#38
20110214534
2011-09-08

METHOD FOR THE PRODUCTION OF TANTALUM POWDER USING RECLAIMED SCRAP AS SOURCE MATERIAL

#39
20110179907
2011-07-28

Method for processing solid or molten materials

#40
20110079108
2011-04-07

Method and apparatus for isolating the radioisotope molybdenum-99

#41
20110058997
2011-03-10

Process for chlorinating resources containing recoverable metals

#42
20110023660
2011-02-03

Method and apparatus for recovery of rare earth element

#43
20100312036
2010-12-09

Method of stablizing and solidifying elemental mercury using sulfur and paraffin

#44
20100292525
2010-11-18

Method of processing waste material

#45
20100189637
2010-07-29

Method for the valorisation of zinc-and sulphate-rich residue

#46
20100150795
2010-06-17

Apparatus for generating mercury (II) sulfide from elemental mercury

#47
20100112361
2010-05-06

Method of removing lead, reclaimed metals and reclaimed products

#48
20100098617
2010-04-22

Method and apparatus for generating mercury (II) sulfide from elemental mercury

#49
20100098606
2010-04-22

Process for the extraction of specific transition metals

#50
20100055011
2010-03-04

Method for recovering ruthenium

#51
20100012621
2010-01-21

METHOD OF TREATING COPPER SULPHIDE DEPOSITS IN AN ELECTRICAL APPARATUS BY THE USE OF OXIDISING AGENTS

#52
20090272229
2009-11-05

Chemical process for recovery of metals contained in industrial steelworks waste

#53
20090183543
2009-07-23

Thermal Process For Separating Heavy Metals From Ash In Agglomerated Form

#54
20090095130
2009-04-16

Method for the production of tantalum powder using reclaimed scrap as source material

#55
20090047198
2009-02-19

Process for the extraction of specific transition metals with gaseous HCL

#56
20080196551
2008-08-21

Separation of Metal Values in Zinc Leaching Residues

#57
20080019900
2008-01-24

Method for stabilisation of metallic mercury using sulphur

#58
20060000522
2006-01-05

Remelting of rare earth magnet scrap and/or sludge, magnet-forming alloy, and sintered rare earth magnet

#59
20050276737
2005-12-15

Mineralization of alkali metals, sulfur, and halogens

#60
20050161340
2005-07-28

Process for the recovery of materials from a desulfurization reaction

#61
20050103157
2005-05-19

Microwave enhancement of the segregation roast

#62
18639474
2025-06-17

Method of using a chlorination method to recycle metal elements in lithium batteries

#63
18637026
2025-02-25

Apparatus for a chlorination method to recycle metal elements in lithium batteries

#64
15254232
2019-06-18

Process for recycling rare earth magnets