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