ClassID:

119280

C22B5/18 - CPC Classification

Classification description:

Dry methods smelting of sulfides or formation of mattes Reducing step-by-step

Recent Application in this class:
#1
20250270671
2025-08-28

METHOD FOR METAL PRODUCTION

#2
20250003026
2025-01-02

REDUCING AND NON-BLAST FURNACE SMELTING METHOD OF ALKALINE VANADIUM-TITANIUM PELLETS AND HOT-PRESSED CARBON-CONTAINING VANADIUM-TITANIUM PELLETS

#3
20240401168
2024-12-05

Process for Transition Metal Oxide Reduction

#4
20240068068
2024-02-29

SUBSTRATE PROCESSING DEVICE, SUBSTRATE PROCESSING SYSTEM, AND METHOD FOR PROCESSING SUBSTRATE

#5
20240043960
2024-02-08

Process for transition metal oxide reduction

#6
20210130926
2021-05-06

METHOD FOR RECOVERING NICKEL AND COBALT FROM NICKEL, IRON, AND COBALT-CONTAINING RAW MATERIAL

#7
20190283139
2019-09-19

Method for preparing reduced titanium powder by multistage deep reduction

#8
20180308641
2018-10-25

METHOD FOR THE PRODUCTION OF VALVE METAL POWDERS

#9
20180051381
2018-02-22

Method of recovering nuclear fuel material

#10
20160017458
2016-01-21

Direct smelting process and apparatus

#11
20120067171
2012-03-22

Direct smelting process and apparatus

#12
20110165332
2011-07-07

Carbothermic processes

#13
20100300246
2010-12-02

Method of producing non-pyrophoric metallic iron

#14
20100288649
2010-11-18

MAGNESIOTHERMIC SOM PROCESS FOR PRODUCTION OF METALS

#15
20100158782
2010-06-24

Magnesiothermic methods of producing high-purity silicon

#16
20100015003
2010-01-21

Metal alloy powders production

#17
20090249919
2009-10-08

Method for the continuous or discontinuous extraction of a metal or several metals from a slag that contains the metal or a compound of the metal

#18
20090214378
2009-08-27

Method for the production of valve metal powders

#19
20090165597
2009-07-02

Apparatus and methods for the production of metal compounds

#20
20090095132
2009-04-16

PROCESSING OF METAL CHLORIDE SOLUTIONS AND METHOD AND APPARATUS FOR PRODUCING DIRECT REDUCED IRON

#21
20070209479
2007-09-13

Method and apparatus for reducing metal-oxygen compounds

#22
20070079666
2007-04-12

Process and plant for reducing solids containing iron oxide

#23
20060237327
2006-10-26

Thermal and electrochemical process for metal production

#24
20050175533
2005-08-11

Combustion looping using composite oxygen carriers

#25
20050150328
2005-07-14

Conversion of TaOto Ta metal

#26
20050145069
2005-07-07

Method of manufacturing niobium and/or tantalum powder