ClassID:

119433

C22B23/021 - CPC Classification

Classification description:

Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes

Recent Application in this class:
#1
20260139342
2026-05-21

Method of Obtaining a Nickel Ore Concentrate, Method of Processing a Nickel Ore Concentrate, and Method of Recovering Materials Derived from Nickel Ore

#2
20250385330
2025-12-18

METHOD FOR RECYCLING WASTE LITHIUM-ION SECONDARY BATTERY AND RAW MATERIAL FOR LITHIUM-ION SECONDARY BATTERY POSITIVE ELECTRODE MATERIAL OBTAINABLE THEREBY

#3
20250361577
2025-11-27

VALUABLE ELEMENT RECOVERY METHOD AND METAL PRODUCTION METHOD

#4
20250179609
2025-06-05

LOW TEMPERATURE REDUCTION OF METAL OXIDES

#5
20250163541
2025-05-22

Method of Obtaining a Nickel Ore Concentrate, Method of Processing a Nickel Ore Concentrate, and Method of Recovering Materials Derived from Nickel Ore

#6
20240424557
2024-12-26

REDUCED METAL POWDER FOR RECOVERING VALUABLE METAL FROM WASTE LITHIUM ION SECONDARY BATTERY AND METHOD FOR PREPARING THE SAME

#7
20240344172
2024-10-17

VALUABLE ELEMENT RECOVERY METHOD

#8
20240283045
2024-08-22

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

#9
20240258597
2024-08-01

ENERGY-EFFICIENT PYROMETALLURGICAL PROCESS FOR TREATING LI-ION BATTERIES

#10
20240079666
2024-03-07

A PROCESS FOR RECOVERING COBALT FROM LITHIUM-ION BATTERIES

#11
20240055681
2024-02-15

PROCESS FOR RECOVERING MATERIALS FROM SPENT RECHARGEABLE LITHIUM BATTERIES

#12
20240039069
2024-02-01

METHOD FOR TREATING SCRAPPED POSITIVE ELECTRODE SLURRY, AND APPLICATION

#13
20230323507
2023-10-12

METHOD OF RECYCLING NICKEL FROM WASTE BATTERY MATERIAL

#14
20230295767
2023-09-21

Low temperature reduction of metal oxides

#15
20230250511
2023-08-10

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

#16
20230155202
2023-05-18

BATTERY RECYCLING BY REDUCTION AND CARBONYLATION

#17
20220349022
2022-11-03

FLUIDIZED BED REACTOR AND METHOD FOR RECOVERING ACTIVE METAL FROM LITHIUM SECONDARY BATTERY THEREBY

#18
20210269894
2021-09-02

METHOD OF RECOVERY OF NICKEL AND COBALT

#19
20200136201
2020-04-30

Method for treating lithium ion battery

#20
20190119779
2019-04-25

Oxide ore smelting method

#21
20180223391
2018-08-09

Method for recovering target materials from source materials

#22
20180083325
2018-03-22

Method for treating lithium ion battery

#23
20180017327
2018-01-18

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

#24
20170342514
2017-11-30

Method for smelting nickel oxide ore

#25
20170204496
2017-07-20

Method for smelting nickel oxide ore

#26
20170204495
2017-07-20

METHOD FOR SMELTING NICKEL OXIDE ORE

#27
20170198372
2017-07-13

Method for smelting nickel oxide ore and method for charging pellets

#28
20150196900
2015-07-16

Nickel form for preparation of catalytic nickel-ligand complexes

#29
20150111022
2015-04-23

Coating for metal cellular structure and method therefor

#30
20130345459
2013-12-26

Preparing a nickel phosphorus ligand complex

#31
20130144082
2013-06-06

Nickel form for preparation of catalytic nickel-ligand complexes

#32
20130144079
2013-06-06

Calcination and reduction process including a fluidizing bed reactor

#33
20130143730
2013-06-06

Metal-ligand catalyst formation

#34
20110107876
2011-05-12

Method of manufacturing Fe and Ni containing material and cobalt containing material using recycling residue of spent catalyst and method of manufacturing raw material for stainless using the Fe and Ni containing material and method of manufacturing Fe-Ni alloy

#35
20110087204
2011-04-14

Cryoplasty device and method

#36
20110020663
2011-01-27

Metal reduction processes, metallurgical processes and products and apparatus

#37
20110018179
2011-01-27

METAL REDUCTION PROCESSES, METALLURGICAL PROCESSES AND PRODUCTS AND APPARATUS

#38
20100307291
2010-12-09

Reduction of metal chloride

#39
20100288078
2010-11-18

Process for producing stainless steel using direct reduction furnaces for ferrochrome and ferronickel on the primary side of a converter

#40
20100275731
2010-11-04

Apparatus and process for making high purity nickel

#41
20100218644
2010-09-02

Method of Producing Metals and Alloys by Carbothermal Reduction of Metal Oxides

#42
20090324440
2009-12-31

Reduction Processing of Metal-Containing Ores in The Presence of Microwave and RF Energy

#43
20090249921
2009-10-08

Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate

#44
20090208405
2009-08-20

Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors

#45
20080267810
2008-10-30

Apparatus and process for making high purity nickel

#46
20080019901
2008-01-24

Method of making NiO and Ni nanostructures

#47
20080016986
2008-01-24

Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process

#48
20070034053
2007-02-15

Production of active nickel powder and transformation thereof into nickel carbonyl

#49
20060178663
2006-08-10

Cryoplasty device and method

#50
20060162498
2006-07-27

Direct production of refined metals and alloys

#51
20060107792
2006-05-25

Method for producing fine, low bulk density, metallic nickel powder

#52
20050217426
2005-10-06

Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting

#53
20050103157
2005-05-19

Microwave enhancement of the segregation roast