| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
|---|
| 07/14/1981 | CA1104829A1 Treatment of iron based melts with agents containing alkaline earths by gas injection |
| 07/14/1981 | CA1104828A1 Alkaline earth carbonate desulfurizing agents |
| 07/09/1981 | WO1981001861A1 Production of vermicular graphite cast iron |
| 07/08/1981 | EP0031552A1 Desulphurising composition and process for its production |
| 07/08/1981 | EP0031534A1 Process for producing desulfurizing agents for pig iron or steel melts |
| 06/23/1981 | US4274869 Desulphurization of metals |
| 06/10/1981 | EP0030043A2 Agent in wire form for treating molten metals |
| 06/09/1981 | CA1102555A1 Process and agent for the desulphurization of iron based melts |
| 06/02/1981 | CA1102117A1 Melt processing apparatus with tiltable melt receptacle |
| 05/27/1981 | EP0029038A1 Product for the desulphurization of cast irons and steels. |
| 05/19/1981 | CA1101223A1 Inoculation article |
| 05/19/1981 | CA1101205A1 Mobile hot metal mixer |
| 05/12/1981 | US4266969 Desulfurization process |
| 05/12/1981 | CA1100762A1 Chloride salt-silicon alloy slag composites for cast iron melts |
| 05/06/1981 | EP0027849A1 Slag-conditioning process |
| 04/21/1981 | US4263043 Desulfurizing agent for injection |
| 04/07/1981 | US4260417 Batch desulfurization in a coreless induction furnace |
| 04/07/1981 | US4260413 Powdered agent ground and coated with carbon |
| 04/07/1981 | US4260141 Centerplate wear liners |
| 03/03/1981 | CA1096633A1 Continuous stream treatment of ductile iron |
| 02/24/1981 | CA1096179A1 Molten metal treatment |
| 01/27/1981 | CA1094330A1 Sheathed wire feeding of alloy and inoculant materials |
| 01/20/1981 | US4246026 Manufacturing process of vermicular graphic cast-irons through double modification |
| 01/20/1981 | US4245820 Pipe curtain for pollution control hood |
| 01/20/1981 | US4245691 In situ furnace metal desulfurization/nodularization by high purity magnesium |
| 01/07/1981 | EP0020819A1 Process for manufacturing castings of cast iron with vermicular graphite |
| 12/10/1980 | EP0020307A1 Method for introducing deoxydizing-desulphurizing substances into a mass of liquid metals without the use of gaseous carriers, and cored spiral tube therefor |
| 12/09/1980 | US4238231 Apparatus for treatment of molten metal |
| 12/02/1980 | US4236931 Of a chamotte and a binder of calcium aluminate |
| 12/02/1980 | US4236914 Desulfurization composition for molten pig iron |
| 11/27/1980 | WO1980002565A1 Product for the desulphurization of cast irons and steels |
| 11/26/1980 | EP0019087A1 Desulphurising agents for pig iron and steel melts, and process for their manufacture |
| 11/26/1980 | EP0019086A2 Process for producing desulfurizing agents for pig iron or steel melts |
| 11/18/1980 | US4234171 Mixing arrangement |
| 11/04/1980 | CA1088756A1 Method of desulfurizing molten ferrous metals |
| 11/04/1980 | CA1088755A1 Method of extra-blast-furnace treatment of liquid iron in vessels |
| 10/28/1980 | US4230490 Containing graphite, pouring into magnesium or magnesium alloy |
| 10/14/1980 | US4227924 Process for the production of vermicular cast iron |
| 10/14/1980 | CA1087366A1 Process for the production fo vermicular cast iron |
| 10/07/1980 | CA1086961A1 Method and apparatus for introducing an additive material into a molten metal at a variable rate |
| 10/07/1980 | CA1086957A1 Method for making strontium additions to ferrosilicon |
| 10/01/1980 | EP0016671A1 Method for the addition of a reactive metal to a molten metal bath |
| 10/01/1980 | EP0016273A1 Process and apparatus for the production of metallic compositions comprising at least two constituents, one constituent having a melting temperature exceeding the boiling temperature of the other |
| 09/30/1980 | US4225343 Alkali or alkaline earth metal, coke or graphite, a binder |
| 09/23/1980 | US4224070 Prevention or retardation of loss of magnesium |
| 09/23/1980 | US4224069 Transportation stable magnesium and iron diluent particle mixtures for treating molten iron |
| 09/23/1980 | US4224063 From silico-misch metal and coke |
| 09/23/1980 | US4224058 Reacting sulfur with rare earth compound to form rare earth sulfide or oxysulfide |
| 09/18/1980 | WO1980001924A1 Process and apparatus for the production of metallic compositions |
| 09/17/1980 | EP0015819A1 Method for the production of articles mainly consisting of spheroidal graphite cast iron |
| 09/17/1980 | EP0015662A1 Method for ladle treatment of molten cast iron using sheathed magnesium wire |
| 08/12/1980 | US4217133 Magnesium oxide, calcium oxide, calcium carbide |
| 08/05/1980 | US4215854 Melt processing apparatus with tiltable melt receptacle |
| 07/29/1980 | US4214899 Method for the addition of a reactive metal to a molten metal bath |
| 07/23/1980 | EP0013550A1 Process and apparatus for the desulphurisation of molten ferrous metals |
| 07/08/1980 | CA1080977A1 Method and device for nodularizing cast iron |
| 07/01/1980 | US4210195 Method of treating cast iron using packaged granular molten metal treatment mold inserts |
| 07/01/1980 | CA1080480A1 Nodularizing treatment employing unitized modifying agent |
| 06/24/1980 | US4209325 Desulphuration of metals |
| 06/24/1980 | US4209324 Titanium-containing treatment agents for molten ferrous metal |
| 06/17/1980 | US4208207 Carrier body and method for introduction of a reaction agent into metal melts |
| 06/17/1980 | US4208206 Method for producing improved metal castings by pneumatically refining the melt |
| 06/17/1980 | CA1079529A1 Treatment body for the introduction of treatment agents into molten metals |
| 06/03/1980 | US4205981 Method for ladle treatment of molten cast iron using sheathed magnesium wire |
| 06/03/1980 | US4205980 Process for removing sulphur from crude iron |
| 05/28/1980 | EP0011478A1 Apparatus and process for the treatment of molten metal |
| 05/27/1980 | US4204666 In situ furnace metal desulfurization/nodularization by high purity magnesium |
| 05/27/1980 | CA1078212A1 Load-measuring bearing |
| 05/27/1980 | CA1078132A1 Method of making ductile iron treating agents |
| 05/20/1980 | CA1077682A1 Methods of desulphurizing fluid materials |
| 05/06/1980 | CA1076847A1 Magnesium-containing treatment agents |
| 05/06/1980 | CA1076814A1 Method of slagging molten metal |
| 05/06/1980 | CA1076813A1 Continuous stream treatment of ductile iron |
| 04/30/1980 | EP0010513A1 Process for producing spherical graphite castings |
| 04/29/1980 | US4200266 Mixing arrangement |
| 04/29/1980 | US4200263 Filling stand arrangement for a metallurgical ladle |
| 04/29/1980 | CA1076399A1 Crushable low reactivity nickel-base magnesium additive |
| 04/22/1980 | US4199353 Molten metal treatment |
| 04/22/1980 | US4199351 Treatment agents for molten metals |
| 04/15/1980 | CA1075470A1 Method for the desulfurization of molten iron |
| 04/08/1980 | CA1075012A1 Process for dephosphorizing molten pig iron |
| 04/08/1980 | CA1075011A1 Method and means for remelting scrap iron, iron sponge, pellets or the like |
| 04/01/1980 | US4195822 Car for transporting a ladle of hot metal and charging the metal to a furnace |
| 04/01/1980 | CA1074567A1 Method of continuously melting down scrap, iron sponge or the like |
| 04/01/1980 | CA1074533A1 Methods of desulphurizing iron and steel and gases, such as stack gases and the like |
| 03/25/1980 | US4194903 Method of producing steel with the lowest possible sulfur content by desulfurization of pig iron with magnesium coke |
| 03/25/1980 | US4194902 Desulfurization agent for ferrous melts and method of using the same |
| 03/18/1980 | CA1073706A1 Method of and alloy for treating molten iron |
| 03/11/1980 | US4192491 Rotatable or tiltable metallurgical vessel |
| 03/04/1980 | US4191563 Continuous stream treatment of ductile iron |
| 02/20/1980 | EP0007961A1 Desulphurisation of ferrous metals |
| 02/19/1980 | US4189316 Iron modifier and method of using same |
| 02/19/1980 | US4189315 Process for the desulphurization of molten cast iron and treating agent |
| 02/19/1980 | US4189314 Pelletization, adding to pig iron |
| 02/12/1980 | US4188210 Iron and/or steel treatment with magnesium and refractory coated composite shot |
| 02/05/1980 | CA1070983A1 Magnesium base treating agent of molten iron |
| 01/29/1980 | US4186000 Stirring boron-containing dispersing agent with molten mixture of salt and magnesium of magnesium alloy, cooling, pulverizing in hammer mill |
| 01/29/1980 | CA1070474A1 Nodularizing catalyst for cast iron and method of making same |
| 01/09/1980 | EP0006775A1 Gas-permeable refractory elements |
| 01/09/1980 | EP0006306A1 Process for the treatment of molten metal |