| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 03/10/2004 | CN1480250A Recycling method and recycling system for powdered ink |
| 03/04/2004 | WO2004018714A1 Methods and device for decarbonising a steel melt |
| 03/04/2004 | DE10237151A1 Verfahren zum Vergießen einer Stahlschmelze A method of casting a molten steel |
| 03/03/2004 | CN1140761C Method for introducing gas into liquid pond |
| 03/03/2004 | CN1140760C Method for jetting air into smelting metal by gun/burner |
| 03/03/2004 | CN1140639C Refniing agent for stainless steel |
| 03/03/2004 | CN1140638C Spiral stirring and tangent deslagging technique and equipment of continuous desulfurization of molten iron |
| 03/03/2004 | CN1140637C Compound scorifying agent |
| 02/26/2004 | WO2003100102A3 Metallurgical treatment method on a metal bath |
| 02/26/2004 | US20040035248 Vacuum treatment of cast metal with simultaneous helium-injection stirring |
| 02/25/2004 | EP1391524A1 Method for agitating steel in a ladle |
| 02/25/2004 | EP1391258A1 Process for casting a steel melt |
| 02/25/2004 | CN1477213A Compound desulfurizing agent for molten iron |
| 02/25/2004 | CN1477212A Al-Mn-Mg-Fe alloy for steel-smelting deoxidation, desulfidation and alloying |
| 02/25/2004 | CN1477211A Si-Al-Ba-Ca-B-Fe alloy for final deoxidation of molten steel and its preparation method |
| 02/19/2004 | WO2004015092A1 Method for producing stem cells using morulae or blastocysts |
| 02/19/2004 | DE10236354A1 Continuous or discontinuous treatment of steel melts for producing soft deep drawing steels comprises inserting a wire-like additive formed as a gas-splitting agent encased in a composite wire |
| 02/18/2004 | CN1475582A Microcarbon aluminium magnesia iron alloy used for molten steel final deoxygenation and alloying and its preparation method |
| 02/18/2004 | CN1475581A Mirocarbon aluminium iron alloy used for molten steel deoxygenation and alloying and its preparation method |
| 02/18/2004 | CN1475580A Rare earth addition quantity optimization and control method of rare earth weather resistant steel |
| 02/17/2004 | US6692992 Hardened Fe-Ni alloy for the manufacture of integrated circuit leaderframes and manufacturing process |
| 02/17/2004 | US6692550 Melting iron-based alloy; adding calcium and aluminum; casting |
| 02/12/2004 | WO2004013358A1 Method for dephosphorization of molten iron |
| 02/11/2004 | CN2603091Y Nozzle for quick dephosphorizing oxygen-gun |
| 02/11/2004 | CN1138004C Pollution-free deoxidizing body |
| 02/10/2004 | US6689310 Molten metal degassing device and impellers therefor |
| 02/10/2004 | US6689189 Particles of silicon, carbon and manganese used as foaming and reducing agents in melts for alloying stainless steels |
| 02/10/2004 | CA2329954C Measuring the thickness of materials |
| 02/05/2004 | DE10202417B4 Verfahren zur Herstellung eines Beschickungsmaterials zur Verwendung in metallurgischen Verfahren A method for producing a feed material for use in metallurgical processes |
| 02/04/2004 | EP1386011A1 Ladle refining of steel |
| 02/04/2004 | EP1114191B1 A direct smelting process |
| 02/04/2004 | CN2602032Y Hot-metal bottle side blow slag gathering device |
| 02/04/2004 | CN1473203A 精炼剂以及精炼方法 Refining agent and refining methods |
| 02/04/2004 | CN1137280C Ultralow carbon steel and making method |
| 02/03/2004 | US6686061 Steel plate having TiN+CuS precipitates for welded structures, method for manufacturing same and welded structure made therefrom |
| 02/03/2004 | US6685763 Treatment for improving the castability of aluminum killed continuously cast steel |
| 01/29/2004 | WO2004009854A1 Steel product reduced in amount of alumina cluster |
| 01/28/2004 | EP1147238B1 Stainless steels |
| 01/28/2004 | CN1470654A Steel making deoxidant-Si-Ba-Sr-Ca-Fe alloy |
| 01/28/2004 | CN1136327C Cutting structural steel with machinability and fine mechanical performance |
| 01/28/2004 | CN1136320C Carbonizing technology for smelting steel and special carburant |
| 01/22/2004 | DE10228426A1 Verfahren zum Einbringen von Magnesium in eine Gußeisenschmelze Method for introducing magnesium into a molten cast iron |
| 01/21/2004 | EP1382694A1 Waste toner recycling method and use of toner-aluminium granulate blend as steelmaking flux |
| 01/21/2004 | CN1469933A Method for producing stainless steels, in particular high-grade steels containing chromium and chromiumnickel |
| 01/20/2004 | US6679931 Method for recovering metallic chromium from slag containing chromium oxide |
| 01/14/2004 | EP1379706A1 Reinforced durable tool steel, method for the production thereof, method for producing parts made of said steel, and parts thus obtained |
| 01/08/2004 | US20040005167 Toner recycling method and toner recycling system |
| 01/08/2004 | DE10149465B4 MgO enthaltende Zusammensetzung und Verfahren zum Einstellen von Schlacken MgO-containing composition and method for adjusting slags |
| 01/07/2004 | EP1377689A1 Apparatus for injecting gas into a vessel |
| 01/07/2004 | CN1465732A Technological method for smelting silicon base low rareearth calcium, baryum alloy liquid by mineral heating furnace, and producing rareearth nodulizer of ladle magnesium pressing |
| 01/07/2004 | CN1465731A High-effect composite powder nodulizer and technological method thereof |
| 01/07/2004 | CN1465721A Surface passivated alloy core-spun yarn and tehcnological process thereof |
| 01/07/2004 | CN1133518C Production process of pre-molten material for continuous crystallizer protecting slag |
| 01/06/2004 | CA2241574C Composite briquette for electric furnace charge |
| 01/02/2004 | EP1373584A2 Vacuum chamber, notably for steel decarburisation |
| 01/02/2004 | EP1373582A2 Carrier material and desulfurization agent for desulfurizing iron |
| 01/02/2004 | EP1372891A1 Apparatus for transferring liquid metals from a collection container to a receiving container |
| 01/02/2004 | EP1372888A1 Refractory plug or brick for injecting gas into molten metal |
| 12/30/2003 | US6669896 Purge plug |
| 12/30/2003 | US6669789 Method for producing titanium-bearing microalloyed high-strength low-alloy steel |
| 12/30/2003 | CA2086702C Blowing lance suspension with integrated medium supply |
| 12/24/2003 | WO2003106717A1 Method of reagents injection into the melt, metal melt stirring and device for its implementation |
| 12/24/2003 | WO2003089676A3 Iterative cycle process for carbon supersaturation of molten metal and solid metals obtained thereby |
| 12/23/2003 | US6666902 Ladle refining apparatus and ladle refining method using it |
| 12/18/2003 | WO2003104508A1 Refining ferroalloys |
| 12/18/2003 | CA2488061A1 Refining ferroalloys |
| 12/17/2003 | EP1230404B1 Method and use of calcium nitrate for foaming of steel-making slags |
| 12/17/2003 | CN1461813A Steelmaking method using molten iron as carburant |
| 12/17/2003 | CN1461812A Method and device for pretreating metal iron using torpedo hot metal mixer car diversified composite jetting method |
| 12/10/2003 | CN1461351A Apparatus for injecting gas into vessel |
| 12/04/2003 | WO2003100102A2 Metallurgical treatment method on a metal bath |
| 12/04/2003 | US20030221517 Article and method for treating molten metal bath |
| 12/04/2003 | CA2485633A1 Metallurgical treatment method on a metal bath |
| 12/03/2003 | CN1459584A Coherence jet system with single enveloped flame ring |
| 12/03/2003 | CN1129672C Core covered wire for deep desulfurization for steel production |
| 12/03/2003 | CN1129671C Multi element modifier with higher effect for iron and steel |
| 11/27/2003 | WO2003097881A1 Metallurgical slag |
| 11/27/2003 | WO2003097528A1 A calcium-silicate based slag for treatment of molten silicon |
| 11/27/2003 | CA2525655A1 Metallurgical slag |
| 11/26/2003 | EP1365193A2 Coherent jet system with single ring flame envelope |
| 11/26/2003 | CN2587881Y Metal liquid purifier |
| 11/26/2003 | CN1128886C Spherical Al slag and its producing process |
| 11/26/2003 | CN1128659C Technology and equipment for mixing active lime powder and liquid adhesive |
| 11/25/2003 | US6651843 Method and apparatus for the controlled supply of feedstock to a feedstock processing facility operating at high pressure |
| 11/19/2003 | CN1457368A Blowing lance nozzle |
| 11/19/2003 | CN1456691A Silicon-barium-strontium-calcium-magnesium-iron alloy as deoxidant in steelmaking |
| 11/19/2003 | CN1456690A Aluminum-manganese-titanium-iron alloy as deoxidant in steelmaking |
| 11/19/2003 | CN1456689A Aluminum-magnesium-iron alloy deoxidant |
| 11/19/2003 | CN1128232C Desulfurizing agent for iron or steel and its preparing process |
| 11/13/2003 | WO2003002771A8 Low carbon steel sheet, low carbon steel cast piece and method for production thereof |
| 11/13/2003 | US20030209104 Mutlistage from melt; adding carbon, silicon; forming carbon monoxide and silica |
| 11/12/2003 | CN1455004A Ultra low silicon welding rod steel continuous casting production process |
| 11/05/2003 | CN2584613Y Two-pipe wire feeding machine |
| 11/05/2003 | CN1453374A Slag-pushing refining process under protection of inert gas |
| 11/05/2003 | CN1453373A Deoxygenating reinforcer |
| 11/05/2003 | CN1453372A Molten steel refining and denitridating process |
| 11/05/2003 | CN1453371A Electrochemical pollution-free metal liquid deoxygenating process |
| 10/30/2003 | WO2003089676A2 Iterative cycle process for carbon supersaturation of molten metal and solid metals obtained thereby |
| 10/29/2003 | EP1357196A1 Fabrication of a high-strength steel article with inclusion control during melting |
| 10/29/2003 | CN1452666A Method and apparatus for delivering metallurgically improved molten metal |