| Patents for C21C 1 - Refining of pig-iron; Cast iron (3,137) |
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| 04/30/2002 | US6381554 Method of prediction time-series continuous data and a control method using the prediction method |
| 04/30/2002 | US6379425 Method of desulfurizing molten iron |
| 04/16/2002 | US6372180 Method of making mg treated iron with improved machinability |
| 04/16/2002 | US6372014 Magnesium injection agent for ferrous metal |
| 04/16/2002 | US6372013 Carrier material and desulfurization agent for desulfurizing iron |
| 04/11/2002 | WO2001088208A3 Carrier material and desulfurization agent for desulfurizing iron |
| 04/09/2002 | US6368380 Method of melt-removing impurity elements from iron |
| 04/04/2002 | US20020038926 Desulphurization reagent control method and system |
| 03/28/2002 | US20020036033 Microalloying additions of elements with strong affinity for nitrogen, carbon and oxygen to the iron to obtain cast iron forming nitride, carbide, oxide, suppresses chemical wear at cutting edge of cubic silicon nitride and boron nitride |
| 03/21/2002 | WO2002022891A1 Refining agent and refining method |
| 03/20/2002 | EP0963265B1 Vessel for metallurgical purposes |
| 03/19/2002 | US6357099 Preparation of metal feedstock from wasted metal products |
| 03/14/2002 | WO2001073138A3 Steelmaking |
| 03/13/2002 | EP1186676A2 Method and installation for the treatment, especially the desulfurisation and/or dephosphorisation, of metal melts, in particular of pig iron |
| 03/05/2002 | US6352570 Magnesium desulfurization agent |
| 02/28/2002 | US20020025434 Cored wire for introducing additives into a molten metal bath |
| 02/26/2002 | US6350293 Bottom pour electroslag refining systems and methods |
| 02/26/2002 | US6349548 Apparatus and process to extract heat and to solidify molten material particles |
| 02/21/2002 | WO2002014562A2 Desulphurization reagent control method and system |
| 02/21/2002 | DE10037359A1 Heavily loaded spheroidal casting part cast from a base melt consists of crude iron, steel briquettes and recycled material, nickel, a cerium/silicon mixture, a bismuth/silicon mixture, manganese, phosphorus, and sulfur |
| 02/21/2002 | CA2418732A1 Desulphurization reagent control method and system |
| 02/20/2002 | CN1336964A Method for determining the microstructure of cast iron in solidifying |
| 02/13/2002 | CN2476559Y Top discharging type iron melt dusting pretreatment device |
| 01/17/2002 | DE10016075C1 Method of removing impurities in ion, involves separating iron and copper phase and copper in iron phase is removed by difference in specific gravity |
| 01/16/2002 | CN2471790Y Spiral agitator for continuous desulfurizing molten iron |
| 01/15/2002 | CA2166097C Process for producing steel by converter |
| 01/09/2002 | EP1086254B1 Method for integrated desulfurizing of pig iron melt and steel melt |
| 01/03/2002 | WO2002000946A1 Flux-cored wire for introducing additives into a molten metal bath |
| 01/02/2002 | EP1165850A1 Method for predicting the microstructure of solidifying cast iron |
| 12/26/2001 | CN2467525Y Torpedo hot metal mixer car splash guard |
| 12/11/2001 | US6328784 Applying desulfurizing agent to bath surface of a molten iron alloy in container; agitating molten iron alloy in container; while the molten iron alloy is being agitated, blowing a gas containing a hydrocarbon gas onto bath surface of molten alloy |
| 11/29/2001 | WO2001090425A1 Method for producing spheroidal graphite cast iron |
| 11/29/2001 | DE10025940A1 Verfahren zur Herstellung von Kugelgraphit-Gusseisen A process for the production of spheroidal graphite cast iron |
| 11/28/2001 | CN1323912A Technological process of smelting high-strength and high-toughness nodular cast iron with common high-phosphorus pig iron |
| 11/22/2001 | WO2001088208A2 Carrier material and desulfurization agent for desulfurizing iron |
| 11/15/2001 | US20010039853 Magnesium injection agent for ferrous metal |
| 11/15/2001 | US20010039709 Preparation of metal feedstock from wasted metal products |
| 11/15/2001 | DE10021544A1 Method of treating stream of molten cast iron, directs natural gas against metal surface at specified angle, under steam pressure |
| 11/14/2001 | EP1153143A1 Desulphurizing mixture based on calcium carbide and/or lime |
| 10/30/2001 | CA2219763C Process for producing foundry iron |
| 10/24/2001 | CN1073629C Electric fornace with insulated electrode and process for producing molten metals |
| 10/18/2001 | US20010029809 Reactive desulfurizing agent coated with heat absorbing compound, heat absorbing compound formulated to reduce rate reactive desulfurizing agent vaporizes in molten iron; for pig iron |
| 10/17/2001 | EP1146131A2 Magnesium desulfurization agent |
| 10/17/2001 | EP1146130A2 Magnesium injection agent and process for ferrous metal treatment |
| 10/11/2001 | DE10014751A1 Processing of molten metal comprises charging the metal with a desulfurizing agent through a gas carrier at a specified speed |
| 10/10/2001 | EP1141431A1 Method for determining the needed amount of structure modifying agent to be added to cast iron |
| 10/04/2001 | WO2001073138A2 Steelmaking |
| 10/04/2001 | EP1032718B1 Iron castings with compacted or spheroidal graphite produced by determining coefficients from cooling curves and adjusting the content of structure modifyng agents in the melt |
| 10/04/2001 | EP0874915B1 Method for separating titanium and vanadium from pig iron |
| 09/27/2001 | US20010024622 Process for producing nodular cast iron, and casting produced using this process |
| 09/25/2001 | US6293988 Inoculant and inoculant method for gray and ductile cast irons |
| 09/19/2001 | CN1313261A Refractory for cupola furnace |
| 09/11/2001 | US6288001 Graphite-containing monolithic refractory material |
| 09/07/2001 | WO2001064961A1 Method of producing and adding inocculant mixtures for molten metal baths |
| 09/06/2001 | DE10010144A1 Production of inoculant mixtures for molten metals comprises casting a molded part, collecting starting parameters in a computer system, calculating and controlling the manufacture of the inoculant mixture and adding to the melt |
| 08/29/2001 | EP0946760B1 Method and device for producing silicon-rich foundry iron |
| 08/22/2001 | EP1126037A1 Production of nodular cast iron involving a preliminary inoculation in the casting ladle |
| 08/08/2001 | CN1069349C Double layer granular fire-retardant modulizer composition and preparation method thereof |
| 08/02/2001 | WO2001055458A1 Process for producing gray cast iron for use in high speed machining with cubic boron nitride and silicon nitride tools and the gray cast iron so produced |
| 07/31/2001 | CA2112983C Suppression of fume in metal pouring |
| 07/26/2001 | WO2001053545A1 Method for producing high-duty cast iron with globular and vermiculite graphite |
| 07/24/2001 | CA2097261C Process for treating molten metal during casting operation using a filter and filter for implementing the process |
| 07/18/2001 | CN1068632C Composition for inoculating low sulphur grey cast iron |
| 07/17/2001 | US6261339 Method for desiliconizing pig iron before refining it to steel |
| 07/11/2001 | CN1068256C Strip continuous casting apparatus |
| 07/04/2001 | EP1112388A1 Elongated product used for desulphurization of a steel bath |
| 07/04/2001 | CN1068058C Method for separating titanium and/or vanadium from pig iron |
| 06/27/2001 | EP1111071A2 Method of manufacturing a compacted vermicular graphite cast iron for engine block |
| 06/27/2001 | CN1300931A Method and apparatus for repairing inner liner of hot iron mixer |
| 06/26/2001 | US6251158 Contacting discrete droplets while still substantially molten with a fluidized bed of particles maintained below the solidus temperature of the metal and freezing the droplets as discrete granules of the reactive metal in the fluidized bed. |
| 06/21/2001 | WO2001044530A1 New alloy and method for producing same |
| 06/20/2001 | CN1067441C Device for filtering and treating molten metal |
| 06/13/2001 | CN1298961A Technology for preparing gray cast iron |
| 06/07/2001 | WO2001040523A1 Apparatus and process to extract heat and to solidify molten material particles |
| 05/31/2001 | WO2001038588A1 Oxidant suction cupola and method for managing same |
| 05/30/2001 | CN2431969Y Desulfuring spray gun |
| 05/22/2001 | US6235075 Method and device for producing silicon-rich foundry iron |
| 05/10/2001 | DE19962132C1 Operating a cupola furnace arrangement comprises cleaning blast furnace gas using a cyclone, burning the gas from the cyclone and using the cooled waste gas in a heat exchanger |
| 05/10/2001 | DE19953262A1 Production of cast iron products containing spherical graphite from a melt used for vehicle parts comprises reproducing and actively controlling the seed formation ratios |
| 05/09/2001 | CN1294198A Technology for producing casting with iron filings |
| 05/03/2001 | WO2001031073A1 A process and apparatus for the removal of a contaminant from slag |
| 05/03/2001 | CA2388458A1 A process and apparatus for the removal of a contaminant from slag |
| 04/25/2001 | EP0701494B1 Microstructurally refined multiphase castings |
| 04/18/2001 | CN1291659A Nodulizer for cored wire |
| 04/17/2001 | US6216768 Device for filtering and treating molten metal |
| 04/03/2001 | US6210460 Strontium-aluminum intermetallic alloy granules |
| 03/28/2001 | EP1086254A1 Method for integrated desulfurizing of pig iron melt and steel melt |
| 03/28/2001 | CN1288970A Molten iron treating agent and its application |
| 03/28/2001 | CN1288969A Special nodulizer for nodular cast iron and its production process |
| 03/22/2001 | WO2001020047A1 Method of introducing additives in steelmaking |
| 03/22/2001 | CA2385386A1 Method of introducing additives in steelmaking |
| 03/14/2001 | CN1287544A Unburned carbon-containing refractory material and vessel for molten metal |
| 03/01/2001 | DE19941075A1 Production of spheroidal iron comprises adding calcium in a stable compound |
| 02/22/2001 | DE19939305A1 Operating an oxygen-starved shaft furnace used in the production of metals comprises heat exchanging a partial stream of the oxygen introduced to the furnace with a partial stream of a gas mixture containing oxygen |
| 02/15/2001 | DE19932334C1 Smelting residual materials in a vertical furnace comprises operating the furnace with a hot wind and a combined oxygen injection/enrichment of the wind, and adjusting the heat profile in the furnace |
| 02/14/2001 | CN1062019C Desulfurizing slag modifier |
| 02/07/2001 | CN1283222A Refining method of molten iron and reduction smelting method for producing molten iron |
| 01/24/2001 | EP1070147A1 METHOD OF MAKING Mg TREATED IRON WITH IMPROVED MACHINABILITY |
| 01/24/2001 | CN1281513A Cast iron inoculant and method for production of cast iron inoculant |
| 01/23/2001 | US6177045 Composition and method for inoculating low sulphur grey iron |