| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 08/27/2003 | EP0871784B1 Cast iron indefinite chill roll produced by the addition of niobium |
| 08/20/2003 | CN2567936Y Powder spray device of precision dosing feeding for iron melt desulfurate |
| 08/20/2003 | CN1436862A Production process of high-strength steel nodular cast iron |
| 08/19/2003 | US6607577 Desulphurization reagent control method and system |
| 08/13/2003 | CN1436250A Method and apparatus for producing desulfurizing agent for hot-metal |
| 08/06/2003 | EP0948740B1 Method for producing compacted cast iron |
| 08/05/2003 | US6604016 Iron castings with compacted or spheroidal graphite produced by determining coefficients from cooling curves and adjusting the content of structure modifying agents in the melt |
| 07/30/2003 | EP1331278A1 Refining agent and refining method |
| 07/30/2003 | CN1116429C Nodulizer for cored wire |
| 07/17/2003 | WO2003057389A2 Inoculant pellet for late inoculation of cast iron |
| 07/17/2003 | WO2003057388A2 Inoculation filter |
| 07/17/2003 | CA2470924A1 Inoculation filter |
| 07/16/2003 | EP1252353B1 New alloy and method for producing same |
| 07/10/2003 | US20030126947 Inoculant pellet for late inoculation of cast iron |
| 07/10/2003 | US20030126946 Inoculation filter |
| 07/09/2003 | CN1428441A Method for making synthetic nodular cast iron |
| 07/03/2003 | WO2003054372A1 Gray cast iron for cylinder heads |
| 07/02/2003 | EP1234061B1 Apparatus and process to extract heat and to solidify molten material particles |
| 06/26/2003 | US20030116113 Method for manufacture of gray cast iron for crankcases and cylinder heads |
| 06/25/2003 | EP1068365B1 A method to produce compacted graphite iron (cgi) |
| 06/25/2003 | CN1112456C Molten iron treating agent and its application |
| 06/19/2003 | WO2003050316A1 Method for reuse of steel sheet scrap |
| 06/17/2003 | CA2242782C Composition for inoculating low sulphur grey iron |
| 06/05/2003 | US20030102056 Sulfiding metal melt; inclusion compounds containing molybdenum, mnaganese sulfide |
| 06/03/2003 | US6571856 Method for predicting the microstructure of solidifying cast iron |
| 05/22/2003 | WO2003042417A1 Shaft furnace metal melting system |
| 05/21/2003 | CN1109117C Speical nodulizer for nodular cast iron and its production process |
| 05/15/2003 | US20030090044 Method and apparatus for melting metal in a shaft furnace |
| 05/14/2003 | CN1417352A Molten iron desulfurizing method |
| 05/07/2003 | EP1307597A2 Desulphurization reagent control method and system |
| 05/07/2003 | CN1107733C Cladding nodulizer for high strength nodular cast iron alloy |
| 04/30/2003 | CN1415021A Apparatus and process to extract heat and solidify molten material particles |
| 04/23/2003 | CN2546453Y Separating metal mixer |
| 04/16/2003 | EP1302553A2 Method and device for vacuum treatment of high-carbon containing iron melts |
| 04/16/2003 | CN1410194A Spheroidal graphite cast iron mould cavity inoculation block and its production technology |
| 04/16/2003 | CN1410193A Manufacturing method of cast iron mould cavity inoculation block |
| 04/10/2003 | WO2003029498A1 Method for pretreatment of molten iron and method for refining |
| 04/10/2003 | WO2003029497A1 Method for dephsophorization of molten irona |
| 04/10/2003 | WO2003028923A1 Cast iron member manufacturing method |
| 04/08/2003 | US6544359 Controlling oxygen concentration; forming magnesium, iron silicate |
| 03/26/2003 | EP1294954A1 Flux-cored wire for introducing additives into a molten metal bath |
| 03/26/2003 | CN1405331A Aluminium-calcium composite desulfurizing agent, and producing method and using method thereof |
| 03/25/2003 | US6537395 Process for producing gray cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools |
| 03/19/2003 | CN1103378C Cladding nodulizer for high toughness nodular cast iron alloy |
| 03/18/2003 | US6533998 Graphite nodules; late inoculation of casting-stream to form high number of nuclei, without additional heat treatment, cast becomes thinner; automotive industry |
| 03/12/2003 | EP1291442A1 Method and apparatus for producing desulfurizing agent for hot-metal |
| 03/12/2003 | CN1401612A Burnt aluminum-carbon brick for torpedo hot metal mixer car and mfg. method thereof |
| 02/27/2003 | WO2003016579A1 Device for treatment of iron alloys in a vessel |
| 02/19/2003 | EP1283913A1 Method for producing spheroidal graphite cast iron |
| 02/04/2003 | CA2286221C Desulfurizing mix and method for desulfurizing molten iron |
| 01/14/2003 | US6506225 During ladle treatment of crude steel produced from the desulfurized pig iron, no additional slag components are required, so that problems of introducing additives and disposing of the ladle slag are eliminated |
| 01/03/2003 | WO2003000941A2 Polypeptides having cellobiohydrolase i activity and polynucleotides encoding same |
| 01/02/2003 | EP1270747A2 Spheroidal graphite cast iron with addition of boron |
| 01/01/2003 | CN1388257A Regeneration process of copper or iron system desulfurizing agent |
| 12/26/2002 | US20020195180 Carbon, silicon, manganese, copper, magnesium, sulfur, group iiib elements, boron and silicon at > 2.4% wt with an iron balance |
| 12/24/2002 | US6497023 Apparatus for forming metal feedstock from waste metal products |
| 12/19/2002 | WO2002101096A1 Method of preliminarily processing converter type hot metal |
| 12/19/2002 | WO2002014562A3 Desulphurization reagent control method and system |
| 12/18/2002 | CN1096503C Method for producing compact or spheroidal graphite casing iron |
| 12/12/2002 | WO2001096616A1 Method and apparatus for producing desulfurizing agent for hot-metal |
| 12/12/2002 | CA2412666A1 Method for manufacturing hot metal desulfurizing agent and apparatus for same |
| 12/04/2002 | CN1383455A Flux-cored wire for introducing additives into molten metal bath |
| 11/27/2002 | CN1382225A Process and apparatus for removal of contaminant from slag |
| 10/30/2002 | EP1252353A1 New alloy and method for producing same |
| 10/23/2002 | EP0755736B1 Improvements in metallurgical conversion |
| 10/17/2002 | WO2002081758A1 Improved inoculant |
| 10/17/2002 | DE10118261A1 Zusatz zu Impfmitteln zum Animpfen von in einem Konverter mit Magnesium behandelten Gusseisenschmelzen Addition to inoculants to inoculate in a converter treated with magnesium cast iron melts |
| 10/16/2002 | EP1249504A2 Inoculation additive for conditioning cast iron melts treated with magnesium in a converter |
| 10/15/2002 | US6464932 Refractory aggregate and 30% by weight or less of a carbon raw material comprising at least graphite; wear lining various melting furnaces |
| 10/08/2002 | US6460742 Process for reducing fume emissions during molten metal transfer |
| 10/02/2002 | EP1038039B1 Cast iron inoculant and method for production of cast iron inoculant |
| 10/02/2002 | EP0941471B1 Method for judging the properties of molten cast iron |
| 09/25/2002 | EP0745143B2 Agent and its use for treating pig or cast iron melts for desulphurisation purposes |
| 09/11/2002 | CN1368558A Method for pig iron melt dephosphorize |
| 08/28/2002 | EP1234061A1 Apparatus and process to extract heat and to solidify molten material particles |
| 08/22/2002 | US20020112567 Smelting reduction method |
| 08/21/2002 | CN1364942A Magnesium-barium desulfurized alloy |
| 08/21/2002 | CN1364941A New process for increasing iron-smelting amount of blast furnace by desulfurizing molten iron mainly outside the furnace |
| 08/21/2002 | CN1364749A Silicon fertilizer and its producing method |
| 08/21/2002 | CN1364667A Multilayer folding riffled steel for knife and sword and its producing method |
| 08/15/2002 | WO2002062720A1 Method for oxidizing treatment of steel plant slag to obtain cement-based materials |
| 08/14/2002 | EP1231287A1 Production method for porous metal body |
| 07/31/2002 | CN1361292A Integrated metal mixer depositing process |
| 07/30/2002 | CA2093788C Method for extracting zinc present in liquid cast iron, and means for implementing such methods and products thus obtained |
| 07/24/2002 | EP1224338A1 A process and apparatus for the removal of a contaminant from slag |
| 07/24/2002 | EP0871781B1 Process for producing foundry iron |
| 07/24/2002 | CN1360641A Production method for porous metal body |
| 07/24/2002 | CN1360062A Process for producing nodular graphite cast iron and gray cast iron with cast iron filings in cupola furnace |
| 07/17/2002 | CN1359428A Method for proedicting the microstructure of solidifying cast iron |
| 07/11/2002 | WO2002053786A1 Desulphurizing molten iron |
| 07/03/2002 | EP1218551A1 Method of introducing additives in steelmaking |
| 06/20/2002 | WO2002048408A1 Desulphurizing molten iron |
| 05/28/2002 | US6395107 Cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools |
| 05/28/2002 | US6395058 Magnesium particles are injected into a ferrous alloy by a lance to alloy desired amount of magensium in the ferro alloy, the melting of the magnesium in the transport pipe is inhibited by mixing it with high temperature melting particle |
| 05/28/2002 | CA2241614C Cast iron inoculant and method for production of cast iron inoculant |
| 05/22/2002 | CN1350069A High-strength crankshaft of alloy and nodular cast iron and its production process |
| 05/22/2002 | CN1085256C Cast iron inoculant and mehtod for production of cast iron inoculant |
| 05/21/2002 | US6391085 Metal feedstock from wasted metal products |
| 05/14/2002 | CA2215065C Apparatus and process for transporting molten metal |
| 05/07/2002 | US6383249 Magnesium desulfurization agent |