Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137)
04/1983
04/26/1983CA1145206A1 Production of salt-coated magnesium particles
03/1983
03/30/1983EP0074979A1 Method for the preparation of vermicular graphite cast iron and device allowing to implement such method
03/22/1983US4377411 Alloy of silicon, iron and calcium
03/17/1983WO1983000884A1 Improved addition agent for cast iron
03/09/1983EP0073274A1 Method of preliminary desiliconization of molten iron by injecting gaseous oxygen
03/08/1983CA1142363A1 Packaged granular molten metal treatment mold inserts
03/01/1983CA1141965A1 Production of agent for desulfurizing crude iron and steel melts
03/01/1983CA1141964A1 Agent for desulfurizing crude iron and steel melts, and process for making it
02/1983
02/22/1983US4374664 Process for desulfurizing molten pig iron
02/09/1983EP0070912A1 Process for lowering the iron content of slags rich in CaO formed in the course of the desulphurisation of pig iron
02/08/1983US4372537 Method and apparatus for the replacement of bottom closures of track-mounted transfer ladles
02/08/1983CA1140907A1 Method of improving the flowability of desulphurizing agents for crude iron and steel melts
02/08/1983CA1140816A1 Process for the production of treated lime, treated lime produced thereby, and a process for the desulphurisation of iron using such treated lime
01/1983
01/26/1983EP0070660A1 Method of making cast iron engine blocks and the like
01/25/1983US4369955 Cupola furnace system
01/18/1983CA1139568A1 Method for the desulfurization of molten metal
01/11/1983US4368071 Process for the manufacture of desulfurizing agents for crude iron or steel melts
01/11/1983US4367865 Method and apparatus for emptying bottle cars
12/1982
12/22/1982EP0067500A1 Method of casting compacted graphite iron by inoculation in the mould
12/21/1982US4364771 Magnesium shot and granulated slag
12/21/1982CA1137759A1 Desulfurizing agent for injection
12/14/1982US4363661 Method for increasing mechanical properties in ductile iron by alloy additions
12/08/1982EP0066305A1 Additive in wire form for treating molten metals
12/07/1982US4362562 Method for taking samples from pig-iron melts
11/1982
11/30/1982CA1136421A1 Steelmaking process
11/23/1982CA1135962A1 Use of fluospar in compositions containing calcium carbide and gas-evolving components for desulphurisation of pig iron
11/16/1982CA1135475A1 Process for fabricating cast iron parts
11/11/1982WO1982003875A1 Immersion and vaporization chamber
11/09/1982US4358313 Process for refining molten pig iron and steel
11/09/1982US4358312 Desulfurizing agent and process for its manufacture
11/03/1982EP0064019A1 Process and apparatus for the desulphurisation of iron-based melts
10/1982
10/26/1982US4356032 Method of dephosphorizing molten pig iron
10/14/1982WO1982003410A1 Method for the preparation of vermicular graphite cast iron and device allowing to implement such method
10/12/1982US4353739 Desulphurization of ferrous melts
10/06/1982EP0061749A1 A multi-step steelmaking refining method
09/1982
09/29/1982EP0061012A1 Process for producing desulfurizing agents for pig iron and steel melts
09/29/1982EP0061011A1 Process for producing desulfurizing agents for pig iron or steel melts
09/22/1982EP0060706A1 Method for removing slag on the surface of molten metal by suction
09/01/1982EP0058999A1 Tilting vessel for the treatment of cast iron melts
08/1982
08/31/1982US4347078 Process and apparatus for the desulfurizing of iron melts
08/25/1982EP0058322A1 Method for preparing rotund particles of salt-coated magnesium or magnesium alloy
08/24/1982US4345940 Desulfurizing process
08/04/1982EP0056942A2 Installation for the holding and changing of immersion lances
07/1982
07/27/1982US4341553 Method of, and cupola furnace for, the introduction of treatment agents into cupola iron melts
07/20/1982US4340422 Powdery desulfurizer composition
07/13/1982CA1127610A1 Recovery of metal granules from process sludge
07/06/1982US4338129 Treating agent of iron, manganese, titanium and rare earth
07/06/1982US4337816 Process for producing spherical graphite castings
06/1982
06/16/1982EP0053736A1 Method of replacing sliding gate closures for track-bound torpedo ladles
05/1982
05/25/1982US4331711 Production of salt-coated magnesium particles
05/18/1982CA1123607A1 Process for the treatment of molten iron with simultaneous increase of the scrap rate
05/18/1982CA1123606A1 Method for the processing of titanium-containing feedstock
05/11/1982CA1123174A1 Process for removing sulphur from crude iron
04/1982
04/27/1982US4326887 Basic process of producing basic fluxed pellets for iron-making
04/27/1982US4326701 Lance apparatus
04/13/1982US4324587 Process for maintaining magnesium-containing cast iron melts in a castable state
04/07/1982EP0048797A1 Method for adding unalloyed magnesium metal to molten cast iron
04/06/1982US4323392 Agent for desulfurizing crude iron and steel melts, and process for making it
03/1982
03/31/1982EP0048529A1 Method of casting metal objects, mould and production line for carrying out said method, model and mould machine for manufacturing such mould, dosed amount of additive, dosing device and fusible plug administering device
03/16/1982CA1119814A1 Method of melt dispersing a floatable solid additive in molten metal and a melt dispersible floatable, additive therefor
03/10/1982EP0046991A1 Process and briquette for homogenizing molten cast iron
03/09/1982US4318822 Producing calcium carbide melt containing calcium oxide from lime and coke
03/09/1982CA1119413A1 Process and a device for the treatment of an iron melt
02/1982
02/16/1982US4315773 Desulfurization mixture and process for desulfurizing pig iron
02/09/1982US4314847 Process for dephosphorization and denitrification of chromium-containing iron
02/02/1982US4313758 Method for adding unalloyed magnesium metal to molten cast iron
02/02/1982CA1117292A1 Apparatus for treatment of molten metals
01/1982
01/26/1982US4312668 Introducing nodularizing agent into cast iron
01/26/1982CA1116865A1 In situ furnace metal desulfurization/nodularization by high purity magnesium
01/20/1982EP0044183A1 Metallurgical treatment agents
01/19/1982CA1116407A1 Process and apparatus for melting cast iron borings
01/06/1982EP0043238A1 Method of dephosphorizing molten pig iron
01/05/1982US4309025 Apparatus for carrying out metallurgical reactions in a ladle
12/1981
12/29/1981US4308056 Method and apparatus for introducing solid substances into liquid metals
12/29/1981CA1115061A1 Desulphurizing agent for iron melts
12/23/1981EP0042033A1 Desulfurising agent
12/23/1981EP0041953A1 Production of vermicular graphite cast iron.
12/22/1981US4306904 Process of introducing a solid addition into a bath of liquid metal
12/16/1981EP0041680A1 Apparatus for introducing highly reactive substances to a molten-metal bath
11/1981
11/18/1981EP0040044A1 Method for the manufacture of desulphurisation agents
11/10/1981US4299624 Molten metal treatment
11/03/1981US4298191 Mobile apparatus for containing molten metal
11/03/1981CA1111657A1 Elongate consolidated article and method of making
11/03/1981CA1111656A1 Process and apparatus for the production of metallic compositions
10/1981
10/28/1981EP0038417A1 Desulfurising agent
10/27/1981US4296920 Molten metal treatment
10/20/1981US4295882 Steel making process
10/13/1981US4294610 Foundry coke
10/13/1981CA1110455A1 Desulphurisation of metals
09/1981
09/29/1981US4292075 Iron-silicon alloy, calcium aluminum silicates
09/22/1981US4291070 Metallic powders coated with ceramic layer
09/22/1981US4290805 Method for obtaining iron-based alloys allowing in particular their mechanical properties to be improved by the use of lanthanum, and iron-based alloys obtained by the said method
09/22/1981US4290803 Process for dephosphorization and denitrification of chromium-containing pig iron
09/02/1981EP0034766A2 Method for obtaining samples of molten metal
09/01/1981US4286646 Method for inoculating or refining metal melts
08/1981
08/18/1981CA1107074A1 Method and composition for treating molten ferrous metals to produce nodular iron
08/11/1981CA1106621A1 Method for producing improved metal castings by pneumatically refining the melt
07/1981
07/22/1981EP0032282A1 Process for manufacture of cast iron with vermicular graphite and cast iron so produced
07/21/1981US4279641 Salt-coated magnesium granules
07/21/1981CA1105255A1 Desulfurization lance for cast iron or steel
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