| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 01/08/1980 | US4182626 Production of granular compositions containing pulverulent magnesium |
| 01/08/1980 | US4182498 Recovery of round metal granules from process sludge |
| 01/01/1980 | US4181521 Preparation of glass-forming alloys under a refining metal oxide/boron trioxide slag |
| 12/25/1979 | US4180396 Method of alloying and/or inoculating and/or deoxidizing cast iron melts produced in a cupola furnace |
| 12/11/1979 | CA1067702A1 Low cost method of fluidizing cupola slag (b) |
| 11/27/1979 | US4175918 Apparatus/metals/ |
| 11/06/1979 | US4173466 Magnesium-containing treatment agents |
| 10/31/1979 | EP0005124A2 Improved process for preparing composite materials for treating molten metals and bodies thereby produced |
| 10/31/1979 | EP0004922A1 Coke for use in the production of gray iron; method of producing said coke and method of producing gray iron by using said coke |
| 10/17/1979 | EP0004819A1 Process for the production of ferrous alloys with improved mechanical properties by the use of lanthanum, and ferrous alloys obtained by this process |
| 10/16/1979 | US4171219 Use of silicon carbide as an addition to cupola furnaces |
| 10/02/1979 | US4169724 Reduction, carbides of alkaline earth metals |
| 09/18/1979 | CA1062733A1 Refractory lining for a pig iron container |
| 09/11/1979 | CA1062016A1 Ferrous metal network impregnated with magnesium metal |
| 08/28/1979 | CA1061109A1 Closing a tap hole using compressed gas |
| 08/14/1979 | CA1060214A1 Method for desulfurizing molten iron |
| 07/31/1979 | US4162917 A reactive metal in compressed form with graphite |
| 07/26/1979 | WO1979000481A1 Method,apparatus and means for treating melted iron with an alkali or earth alkali metal |
| 07/25/1979 | EP0003037A1 Method, apparatus and agent for the treatment of molten ferrous metals with a pure alkali or alkaline-earth metal in solid form |
| 07/24/1979 | US4162156 Slag-free |
| 07/17/1979 | US4161400 Methods of desulphurizing fluid materials |
| 07/12/1979 | WO1979000398A1 Desulphurisation of ferrous metals |
| 07/03/1979 | US4159906 Method and composition for the desulfurization of molten metals |
| 06/28/1979 | WO1979000368A1 Elongate consolidated article and method of making |
| 06/26/1979 | CA1057086A1 Method of treating cast iron |
| 06/12/1979 | CA1056158A1 Agent for desulphurization of iron melts and process employing same |
| 05/15/1979 | US4154606 Composition and method for the desulfurization of molten iron |
| 05/15/1979 | US4154605 Desulfurization of iron melts with fine particulate mixtures containing alkaline earth metal carbonates |
| 05/08/1979 | CA1053909A1 Desulfurizing and inoculating agent for molten iron |
| 05/01/1979 | US4152532 Means and method of heating |
| 05/01/1979 | US4152150 For promoting graphite formation and reducing chilling in molten iron |
| 04/24/1979 | US4150979 Method of continuous production of nodular cast iron |
| 04/18/1979 | EP0001380A1 Large volume pig-iron mixer |
| 04/03/1979 | US4147533 Process for the production of ferro-magnesium and the like |
| 03/21/1979 | EP0001035A1 Mixer, especially mixer for pig iron |
| 03/13/1979 | CA1050277A1 Method for melting sponge iron |
| 03/13/1979 | CA1050266A1 Metallurgical device for treating molten metal |
| 03/06/1979 | CA1049791A1 Improved cast iron for vehicle brakes |
| 02/13/1979 | US4139369 Magnesium, calcium carbide, calcium oxide, calcium carbonate, dolomite |
| 02/13/1979 | CA1048276A1 Manufacture of cast iron |
| 02/07/1979 | EP0000466A1 Method for adding granular materials to a molten metal and apparatus for the performance of the aforesaid method |
| 01/30/1979 | US4137072 Magnesium and magnesium oxide |
| 01/23/1979 | US4135921 Process for the preparation of rare-earth-silicon alloys |
| 01/23/1979 | US4135920 Method of introducing powdered material into molten metal |
| 01/23/1979 | US4135703 Mobile hot metal mixer |
| 01/16/1979 | US4134757 By-product inhibition, cascading |
| 01/16/1979 | CA1046285A1 Composite metal article containing additive agents and method of adding same to molten metal |
| 12/19/1978 | US4130419 Process for the purification, modification and heating of a cast-iron melt |
| 12/05/1978 | CA1043570A1 Process for making nodular iron and after-treating alloy utilized therein |
| 11/14/1978 | CA1042237A1 Grey cast iron |
| 11/07/1978 | CA1041769A1 Porous ferrous metal impregnated with magnesium metal |
| 10/24/1978 | US4121925 Method of producing grey cast iron brake rotors with uniform friction and wear characteristics |
| 10/03/1978 | US4117719 Measuring friction bearings |
| 09/19/1978 | US4114862 Heat exchangers warmed by flue gases |
| 09/05/1978 | US4111691 Crushable low reactivity nickel-base magnesium additive |
| 08/29/1978 | US4110108 Method of producing cast iron |
| 08/29/1978 | US4109898 Method and a device for adding solid, powdered or grained material to melted metal |
| 08/22/1978 | US4108637 Sheathed wire feeding of alloy and inoculant materials |
| 08/22/1978 | CA1036844A1 Alloy additive |
| 08/15/1978 | US4107393 Steel conduit containing ferrosilicon material |
| 08/15/1978 | US4107244 Transmitting microwaves |
| 06/27/1978 | US4097030 Lance for desulphurizing cast iron or steel |
| 06/27/1978 | US4097028 Method of melting and apparatus therefor |
| 05/09/1978 | US4088477 Sheathless wire feeding of alloy and inoculant materials |
| 04/25/1978 | US4086086 Alloy of silicon, magnesium, titanium, calcium, cerium and iron |
| 04/18/1978 | US4084962 After-treating alloy for making nodular iron |
| 04/18/1978 | US4084960 Methods of desulphurizing iron and steel and gases, such as stack gases and the like |
| 04/18/1978 | US4084959 Alkali metal carbonate flux |
| 04/11/1978 | US4083716 Magnesium base treating agent of molten iron |
| 03/28/1978 | US4080715 Process for production of lamellar graphite-containing material |
| 03/21/1978 | US4079918 Method for closing a tap hole of a metallurgical vessel and an arrangement therefor |
| 03/14/1978 | US4078915 Method and composition for the desulfurization of molten metals |
| 03/07/1978 | CA1027375A1 Method for modifying physical and/or chemical properties of a metal alloy |
| 02/28/1978 | US4076522 Method for the desulfurization of molten iron |
| 02/07/1978 | US4072511 Method of producing silicon containing cast iron |
| 02/07/1978 | US4072505 Method of slagging molten metal |
| 01/24/1978 | US4069975 Mixer truck for shipping molten metals |
| 01/10/1978 | US4067729 Desulfurization of liquid iron melts |
| 12/27/1977 | US4065297 Process for dephosphorizing molten pig iron |
| 11/08/1977 | US4057098 Method of producing thin-walled castings |
| 10/18/1977 | US4054275 Continuous stream treatment of ductile iron |
| 10/11/1977 | US4053146 Continuous stream treatment of ductile iron |
| 10/04/1977 | US4052203 Magnesium-iron-silicon-nickel alloy |
| 09/20/1977 | US4049442 Composition for desulfurizing iron melts |
| 08/30/1977 | US4045214 From fine-grained iron ores |
| 08/16/1977 | US4042377 Method of and composition for the desulfurization of steel |
| 08/09/1977 | US4040821 Nodularizing catalyst for cast iron and method of making same |
| 08/09/1977 | US4040818 To form metal-permeable matrix; agglomerate containing calcium fluoride |
| 08/09/1977 | US4040609 Metal smelting plant with treatment stand to regulate the analysis of metal smelts, particularly for desulphurization of liquid crude iron or liquid unrefined steel |
| 08/02/1977 | US4039321 Method for producing a grain-oriented electrical steel by an oxygen-blown convertor |
| 07/26/1977 | US4037643 Conditioning molten cast iron |
| 07/12/1977 | US4034970 Method and device for nodularizing cast iron |
| 07/05/1977 | US4033766 Continuous stream treatment of ductile iron |
| 06/07/1977 | US4028099 Cast iron |
| 05/17/1977 | US4023786 Refractory lining for a pig iron container |
| 05/03/1977 | US4021232 Cast iron melting process |
| 04/26/1977 | US4019897 Desulfurizing and inoculating agent for molten iron |
| 04/12/1977 | US4017310 Adding carbon and strontium oxide, carbonate, or sulfate |
| 03/29/1977 | US4014684 Desulfurization using a lime based flux |
| 02/15/1977 | US4008074 With oxygen and carbonaceous dust |