| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 10/28/1986 | CA1213148A1 Apparatus and process for producing predominately iron alloy containing magnesium |
| 10/21/1986 | US4618427 Method of treating and breaking up a liquid with the help of centripetal force |
| 10/07/1986 | CA1212239A1 Method for desulfurizing a molten iron by injection |
| 09/30/1986 | US4614540 Process for the removal of contaminating elements from pig-iron, steel, other metals and metal alloys |
| 09/24/1986 | EP0195250A2 Method and device for blowing solids into industrial furnaces |
| 09/23/1986 | CA1211630A1 Lance structure and oxygen-blowing process for top- blown converters |
| 09/17/1986 | CN85102192A Process for producing nodular graphite malleable cast iron moulds for glass articles |
| 09/10/1986 | EP0193948A1 Device and process for keeping molten metals warm |
| 09/02/1986 | US4609538 Scrap heating method |
| 08/27/1986 | EP0192090A1 Magnesium-titanium-ferrosilicon alloys for producing compacted graphite iron in the mold and process using same |
| 08/20/1986 | CN85100776A Semi-continuous casting nodular cast iron pipe mfg method |
| 08/20/1986 | CN85100598A Decarbonization of molten iron by centrifugalization and combustion |
| 08/13/1986 | CN86100876A Method of keeping inductor spouts, downgates and outlet channel free or deposits in connection with a cast iron melt |
| 08/13/1986 | CN86100386A Method and apparatus for casting iron treated with magnesium |
| 08/12/1986 | CA1209342A1 Method of and apparatus for the production of nodular (ductile) cast iron |
| 08/05/1986 | US4604268 Methods of desulfurizing gases |
| 08/05/1986 | CA1208917A1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron |
| 08/05/1986 | CA1208901A1 Foundry device in particular converter for pouring and/or treating of molten metal |
| 07/30/1986 | CN85109228A Wall member for converter chamber |
| 07/30/1986 | CN85100113A Rare earth gray cast-iron products from blast furnace molten iron |
| 07/22/1986 | US4601751 Process for the production of cast iron containing spherical graphite |
| 07/22/1986 | US4601749 Method for adjusting chemical composition of molten pig iron tapped from blast furnace |
| 07/17/1986 | WO1986004096A1 Method for treating pig iron |
| 07/16/1986 | CN85100073A Compound inoculated technology of casting ferrite with nodular cast iron |
| 07/15/1986 | US4600434 Process for desulfurization of ferrous metal melts |
| 07/02/1986 | CN85108860A Method for vaporizing additives in metal melts |
| 06/24/1986 | US4596606 Method of making CG iron |
| 06/18/1986 | EP0184723A1 Method for treating carbide-based desulfurizing reagents for injection into molten iron |
| 06/03/1986 | US4592777 Method, process and composition for desulfurizing pig-iron melts |
| 06/03/1986 | US4592538 Apparatus for producing predominately iron alloy containing magnesium |
| 05/22/1986 | WO1986002949A1 Method for the treatment of metals and alloys for the refining thereof |
| 05/20/1986 | US4589915 Removing slag |
| 05/14/1986 | EP0180712A1 Process and apparatus for introducing acid slag-forming elements into a cupola furnace |
| 05/06/1986 | US4586955 Process for desulphurizing hot metal |
| 05/06/1986 | CA1203986A1 Production of ultra-low phosphorus steel |
| 04/23/1986 | EP0178593A2 A device for protected and slag-free tapping of melt from a vessel to a pouring furnace |
| 04/08/1986 | US4581068 Shaped body for feeding cupola furnaces |
| 04/02/1986 | EP0175934A1 Inoculating alloy based on ferro-silicon or on silicon, and process for the manufacture thereof |
| 03/27/1986 | WO1986001755A1 A method for producing cast-iron, and in particular cast-iron which contains vermicular graphite |
| 03/25/1986 | US4577839 Refractory insulator blanket and cover |
| 03/12/1986 | EP0174087A2 A method of making compacted graphite iron |
| 03/12/1986 | EP0173913A1 Process for treating cast iron with silicon carbide |
| 03/05/1986 | EP0172913A1 Process and device for removing impurities contained in melted iron flowing from shaft furnace |
| 02/25/1986 | US4572737 Agents for the removal of impurities from a molten metal and a process for producing same |
| 02/19/1986 | EP0171438A1 Method for regulating components of molten iron flowing from shaft furnace |
| 02/18/1986 | US4570909 Lining apparatus provided with a foldable spray pipe |
| 02/12/1986 | EP0171107A1 Method for manufacturing a body comprised of molten-steel soluble elements |
| 02/12/1986 | EP0170900A1 Process for the removal of contaminating elements from pig- iron, steel, other metals and metal alloys |
| 02/11/1986 | CA1200382A1 Fireproof inner lining for pig iron transport containers |
| 02/05/1986 | EP0170407A1 Agents for the removal of impurities from a molten metal and a process for producing same |
| 02/04/1986 | US4568388 Magnesium-titanium-ferrosilicon alloys for producing compacted graphite iron in the mold and process using same |
| 02/04/1986 | US4568385 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 01/28/1986 | US4566902 Process for removing sulfur during melting of pig iron |
| 01/15/1986 | EP0167895A1 Process and installation for the production of steel from scrap |
| 01/02/1986 | EP0166646A1 Installation for the production of steel by preliminary refining of pig iron |
| 01/02/1986 | EP0166019A1 Method for desulfurizing pig iron |
| 12/31/1985 | US4561912 Carbonaceous powder in greater proportions on surface of granules |
| 12/31/1985 | US4561894 For desulfurization and dephosphorization of steel and molton iron |
| 12/24/1985 | US4560409 Metal bearing graphitic carbons |
| 12/18/1985 | EP0164592A1 Fine-grained desulfurization agent forron melts, and process for the desulfurization of molten pig iron |
| 12/17/1985 | US4559084 Salt-coated magnesium granules |
| 11/27/1985 | EP0162194A1 Inoculating alloy for the production of nodular cast iron |
| 11/26/1985 | US4555265 Method of treating steel with calcium, to obtain a steel well adapted to cold forming, with a low silicon content |
| 11/12/1985 | CA1196500A1 Process for producing cast iron castings with a vermicular graphite structure and an apparatus for performing the process |
| 11/10/1985 | CN85200260U Cupola with wide pitch between ranks of tuyeres |
| 10/15/1985 | US4546907 Method and system for removal of residual material from torpedo cars |
| 10/08/1985 | US4545817 Alloy useful for producing ductile and compacted graphite cast irons |
| 10/08/1985 | CA1194698A1 Plunging-capsule |
| 10/02/1985 | EP0156157A1 Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
| 10/01/1985 | US4544407 Process for producing cast iron castings with a vermicular graphite structure |
| 09/17/1985 | US4541867 For addition to steel melts |
| 09/17/1985 | US4541617 Lance structure for oxygen-blowing process in top-blown converters |
| 09/17/1985 | CA1193441A1 Process for reducing the iron content of cao-rich slags formed during the desulphurisation of crude iron |
| 09/10/1985 | US4540436 Treatment agent for cast iron melts and a process for the production thereof |
| 08/28/1985 | EP0152790A1 Method of and apparatus for adding heat to molten metal, and also application of the method |
| 08/27/1985 | US4537629 From sponge iron |
| 08/15/1985 | WO1985003525A1 Device for removing impurities contained in melted iron flowing from shaft furnace |
| 08/15/1985 | WO1985003524A1 Method for regulating components of molten iron flowing from shaft furnace |
| 08/14/1985 | EP0151434A1 Method of and apparatus for treating and breaking up a liquid with the help of centripetal force |
| 08/06/1985 | US4533572 Process for producing varnish-bonded carbon-coated metal granules |
| 07/16/1985 | CA1190400A1 Method for increasing mechanical properties in ductile iron by alloy additions |
| 07/10/1985 | EP0147422A1 Tough, wear- and abrasion-resistant, high chromium hypereutectic white iron |
| 07/09/1985 | US4528031 Flow promotor for particulate material |
| 06/25/1985 | US4524954 Method of operating a mixer type hot metal car for the transport of molten iron and a device for carrying out the method |
| 06/19/1985 | EP0144773A1 Installation for the desulfurisation of iron melts |
| 05/29/1985 | EP0142585A1 Alloy and process for producing ductile and compacted graphite cast irons |
| 05/28/1985 | US4519838 Apparatus and process for producing predominately iron alloy containing magnesium |
| 05/15/1985 | EP0141760A1 Process for the treatment of steel by calcium to increase the cold-workability and to decrease the silicium content |
| 05/14/1985 | US4517019 Spheroidization, casting |
| 04/30/1985 | US4514219 Smelting with nitrogen,carburization with coke |
| 04/24/1985 | EP0137791A1 Use of a porous ceramic body for the filtration of metals. |
| 04/23/1985 | US4512801 Apparatus for and method of desulfurizing and heating molten metal |
| 04/23/1985 | US4512800 Wire injection apparatus |
| 04/23/1985 | CA1185765A1 Method for making cast iron engine blocks and the like |
| 04/17/1985 | EP0137734A2 Fluxes for casting metals |
| 04/17/1985 | EP0137618A2 Process and apparatus for adding calcium to a bath of molten ferrous material |
| 04/16/1985 | US4511401 Process for the treatment of molten metal |
| 04/09/1985 | US4509979 Method and apparatus for the treatment of iron with a reactant |
| 04/02/1985 | US4508571 Mold additives for use in continuous casting |
| 03/27/1985 | EP0135246A2 Mold additives for use in continuous casting |