ClassID:

118800

C21C1/025 - CPC Classification

Classification description:

Refining of pig-iron; Cast iron; Dephosphorising or desulfurising Agents used for dephosphorising or desulfurising

Recent Application in this class:
#1
20260022429
2026-01-22

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

#2
20260015682
2026-01-15

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

#3
20230121123
2023-04-20

Method of making steel by deeply dephosphorization in hot metal tank and decarburization using semi-steel with nearly zero phosphorus load in converter

#4
20220170122
2022-06-02

DEVICE AND METHOD FOR CONTINUOUS DESULPHURISATION OF LIQUID HOT METAL

#5
20210071274
2021-03-11

Method for removing phosphorus from phosphorus-containing substance

#6
20170349959
2017-12-07

Process for dephosphorization of molten metal during a refining process

#7
20170218469
2017-08-03

Method for desulfurizing

#8
20160186277
2016-06-30

Molten iron refining method and device thereof

#9
20150267270
2015-09-24

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

#10
20150033911
2015-02-05

Agent for treating molten metals, method for the production and use thereof

#11
20150027656
2015-01-29

Method for preparing low-cost clean steel

#12
20150027274
2015-01-29

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

#13
20150020648
2015-01-22

Method for refining hot metal in converter

#14
20150000470
2015-01-01

Method for preliminary treatment of molten iron

#15
20140311295
2014-10-23

Converter steelmaking method

#16
20140224069
2014-08-14

Method for the production and the purification of molten calcium aluminate using contaminated aluminum dross residue

#17
20140069235
2014-03-13

Method of refining molten iron

#18
20130333518
2013-12-19

Environmentally friendly flux for molten steel desulfurization

#19
20130025413
2013-01-31

Method for treatment of chrome-containing molten iron and slag

#20
20110000340
2011-01-06

METHOD FOR REMOVING COPPER IN STEEL SCRAPS

#21
20100162853
2010-07-01

Desulfurization puck

#22
20090013827
2009-01-15

Conditioned Quicklime for Injection to a Molten Bath of a Steel-Making Vessel

#23
20080196548
2008-08-21

Desulfurization puck

#24
20070221012
2007-09-27

Scrap bale for steel making process

#25
20060096416
2006-05-11

Refining agent and refining method

#26
20060021467
2006-02-02

Reclaimed magnesium desulfurization agent

#27
20050257644
2005-11-24

Refining agent and refining method

#28
20050092133
2005-05-05

Method for manufacturing hot metal desulfurizing agent and apparatus for same

#29
20050066772
2005-03-31

Desulphurization of ferrous materials using glass cullet

#30
20050056120
2005-03-17

Desulphurization of ferrous materials using sodium silicate