ClassID:

118880

C21C2007/0062 - CPC Classification

Classification description:

Treating molten ferrous alloys, e.g. steel, not covered by groups  -  using cored wires with introduction of alloying or treating agents under a compacted form different from a wire, e.g. briquette, pellet

Recent Application in this class:
#1
20240002976
2024-01-04

METHOD FOR MELTING FERROUS METALS, NON-FERROUS METALS, MACHINING WASTE AND SCRAP AND STEEL

#2
20180021980
2018-01-25

Composition Comprising Calcium Magnesium Compound(s) as Compacts

#3
20170233840
2017-08-17

Solid agglomerate of fine metal particles comprising a liquid oily lubricant and method for making same

#4
20170218469
2017-08-03

Method for desulfurizing

#5
20150344989
2015-12-03

Composite briquette for steelmaking or ironmaking furnace charge

#6
20120048065
2012-03-01

Process for slag foaming a non-stainless steel melt in an electric arc furnace

#7
20120013053
2012-01-19

Apparatus for direct smelting of zinc bearing compounds to produce metallic zinc

#8
20110239822
2011-10-06

PRODUCTION OF FERRO-ALLOYS

#9
20110197713
2011-08-18

RECARBURISATION METHOD

#10
20110167960
2011-07-14

Flux for refining steel of low nitrogen, low oxygen and low sulfur

#11
20110094336
2011-04-28

Method for producing a steel melt containing up to 30% manganese

#12
20100229685
2010-09-16

Process for producing molten iron

#13
20100206131
2010-08-19

Self-fluxing pellets for blast furnace and method for manufacturing the same

#14
20100180723
2010-07-22

Method for manufacturing molten iron

#15
20100162853
2010-07-01

Desulfurization puck

#16
20100126312
2010-05-27

Direct smelting of zinc bearing compounds to produce metallic zinc

#17
20100126311
2010-05-27

DIRECT PROCESSING OF METALLIC ORE CONCENTRATES INTO FERROALLOYS

#18
20100126310
2010-05-27

Direct processing of ferrotitania ores and sands

#19
20100089202
2010-04-15

Method for the reduction of a slag having a high degree of chromium in an electric arc furnace

#20
20100031582
2010-02-11

Ferrous powder material and a manufacture method thereof, and a briquette for use as steelmaking material

#21
20090255375
2009-10-15

Method for the production of a foamed slag in a metal bath

#22
20090193933
2009-08-06

Pre-Processing Materials Using Encapsulation Technologies

#23
20090165599
2009-07-02

Method for recycling steelmaking dust

#24
20080314201
2008-12-25

Enhanced Alloy Recovery In Molten Steel Baths Utilizing Cored Wires Doped With Dispersants

#25
20080196548
2008-08-21

Desulfurization puck

#26
20080145685
2008-06-19

Lump Object and Method of Producing the Same

#27
20070221012
2007-09-27

Scrap bale for steel making process

#28
20070193412
2007-08-23

Method of making steel