C21C1/02 - CPC Classification Index

ClassID:

118799 ⎘

C21C1/02 - CPC Classification

Classification description:

Refining of pig-iron; Cast iron Dephosphorising or desulfurising

Sub-classes:

C21C1/025 » {Agents used for dephosphorising or desulfurising} 28

Recent Application in this class:

20260043100

2026-02-12

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

20260028687

2026-01-29

A method for manufacturing pig iron in an electrical smelting furnace and associated electrical smelting furnace

20260022428

2026-01-22

Method for manufacturing pig iron into an electrical smelting furnace and associated smelting furnace

20240368716

2024-11-07

MOLTEN PIG IRON MANUFACTURING METHOD

20240229177

2024-07-11

METHOD FOR DEPHOSPHORIZATION OF MOLTEN IRON

20240167112

2024-05-23

METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL

20240068061

2024-02-29

CONVERTER STEELMAKING METHOD

20240068060

2024-02-29

REFINING METHOD OF MOLTEN IRON AND MANUFACTURING METHOD OF MOLTEN STEEL USING SAME

20240060149

2024-02-22

MOLTEN IRON REFINING METHOD

#10

20240052443

2024-02-15

PROCESS FOR TREATING MOLTEN IRON

#11

20240011121

2024-01-11

PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED SILICON STEEL

#12

20220259686

2022-08-18

MOLTEN IRON DEPHOSPHORIZATION METHOD

#13

20200308065

2020-10-01

KR desulfurization stirring paddle casting material and preparation method therefor

#14

20200239973

2020-07-30

Method of dechromizing molten iron and method of manufacturing phosphate fertilizer raw material

#15

20170349959

2017-12-07

Process for dephosphorization of molten metal during a refining process

#16

20170247773

2017-08-31

Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method

#17

20170218469

2017-08-03

Method for desulfurizing

#18

20160186277

2016-06-30

Molten iron refining method and device thereof

#19

20150267270

2015-09-24

Impeller and method of melt-pool processing method using the same

#20

20150027274

2015-01-29

Desulfurization Agent Containing Bitumen, Method for the Production Thereof, and Use Thereof

#21

20150000470

2015-01-01

Method for preliminary treatment of molten iron

#22

20140311295

2014-10-23

Converter steelmaking method

#23

20140298955

2014-10-09

Top-blowing lance and method for refining molten iron using the same

#24

20140190312

2014-07-10

METHOD AND APPARATUS FOR DEPHOSPHORISING LIQUID HOT METAL SUCH AS LIQUID BLAST FURNACE IRON

#25

20140096643

2014-04-10

Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method

#26

20140083251

2014-03-27

Method for desulfurizing hot metal

#27

20140069235

2014-03-13

Method of refining molten iron

#28

20130333521

2013-12-19

Method of controlling rotational speed of impeller

#29

20120260773

2012-10-18

Operation method for mechanically stirring chrome-containing molten iron

#30

20090031860

2009-02-05

Production of stainless steel of AISI 4xx grade ferritic steel in an AOD converter

#31

20060272452

2006-12-07

Production of iron

#32

20060196312

2006-09-07

Thermal synthesis production of steel

#33

20060196311

2006-09-07

Thermal synthesis production of steel

#34

20060162498

2006-07-27

Direct production of refined metals and alloys

#35

20060021467

2006-02-02

Reclaimed magnesium desulfurization agent

#36

20050092133

2005-05-05

Method for manufacturing hot metal desulfurizing agent and apparatus for same