| Patents for C22C 35 - Master alloys for iron or steel (563) |
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| 02/20/2002 | CN1079445C Si-Mn alloy of ferrous series with good pulverization property |
| 02/20/2002 | CN1079444C Composite deoxidant for smelting steel and its prepn. |
| 02/06/2002 | CN1334355A Rare-earth metal wire |
| 11/14/2001 | CN1321786A Production process of trace-level high-purity silicoferrite |
| 11/14/2001 | CN1321779A Aluminium-manganese-titanium-magnesium-iron alloy for deoxygenation and alloying of steel production |
| 11/14/2001 | CN1321778A Aluminium-magnesium-titanium-iron alloy for deoxygenation and alloying of steel production |
| 11/07/2001 | CN1320709A Al-Si-Mn alloy for deoxidizing molten steel and as alloy additive and its preparing process |
| 10/17/2001 | CN1317583A Al-Ti-Fe alloy for deoxidizing and alloying in smelting steel |
| 10/17/2001 | CN1317582A Al-Mn-Ti-Fe alloy for deoxidizing and alloying in smelting steel |
| 09/26/2001 | CN1314497A Alloy claded wire |
| 08/15/2001 | CN1069702C High calcium-silicon iron |
| 07/18/2001 | CN1068632C Composition for inoculating low sulphur grey cast iron |
| 05/01/2001 | CA2046928C Manufacture of ferroalloys using a molten bath reactor |
| 01/23/2001 | US6177045 Composition and method for inoculating low sulphur grey iron |
| 11/01/2000 | CN1271779A Multi-element compound Mn-series deoxidizer for deoxidizing and alloying in smelting steel |
| 10/18/2000 | CN1270236A Ultra-low-C low-P MnFe alloy |
| 09/06/2000 | CN1265426A Composite deoxidant for smelting steel and its preparation |
| 07/05/2000 | CN1054165C Method for producing high titanium iron |
| 06/28/2000 | CN1257935A Metallic strengthening agent |
| 05/17/2000 | EP0874916B1 Composition for inoculating low sulphur grey iron |
| 04/19/2000 | CN1051580C Method of reducing metal oxide in rotary harth furnace heated by oxidizing flame |
| 03/22/2000 | CN1247904A Non-ferrous intermediate alloy series preparing by using rich lanthanum praseodymium, less cerium and no neodymium mixed rare-earth as raw material |
| 10/19/1999 | US5968449 Iron base Si--Mn alloy or iron base Si--Mn--Ni alloy having good crushability and alloy powder thereof |
| 04/07/1999 | CN1213408A Composition for inoculating low sulphur grey iron |
| 02/03/1999 | EP0894872A1 Iron base Si- Mn alloy or iron base Si- Mn- Ni alloy having good crushability and alloy powder thereof |
| 02/03/1999 | CN1206749A Si-Mn alloy or ferrous series Si-Mn-Mi alloy and alloy powder with good pulverization property |
| 11/04/1998 | EP0874916A1 Composition for inoculating low sulphur grey iron |
| 09/16/1998 | CN1039831C Polyalloy for desoxy and alloying in steel-making |
| 08/12/1998 | CN1190134A Low-aluminium ferrosilicon containing strontium and its production process |
| 06/24/1998 | CN1038854C Stable high melting-point selenium-bearing intermediate alloy |
| 04/01/1998 | CN1037917C Technology for smelting ferrochrome using powdered Cr ore reductive sintered blocks |
| 03/31/1998 | US5733502 Ferroalloy for inoculation of spherulitic graphite irons |
| 01/07/1998 | EP0816522A1 Ferroalloy for the inoculation of spheroidal graphite cast iron |
| 07/24/1997 | WO1997026376A1 Composition for inoculating low sulphur grey iron |
| 05/28/1997 | CN1150606A High titanium iron preparing method |
| 04/02/1997 | CN1146492A Polyalloy for desoxy and alloying in steelmaking |
| 02/26/1997 | CN1143681A Method of reducing metal oxide in rotary hearth furnace heated by oxidizing flame |
| 01/29/1997 | CN1141347A Multi-element alloy for deoxidising molten steel and alloying thereof |
| 12/11/1996 | EP0747491A1 Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame |
| 12/07/1996 | CA2175750A1 Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame |
| 11/26/1996 | CA2074276C Agent for the treatment of cast iron melts |
| 10/22/1996 | US5567224 Alloying |
| 09/11/1996 | CN1032767C Silicon-barium-strontium-iron alloy used as steel liquid deoxidizing agent and its preparing process |
| 07/31/1996 | CN1127788A High calcium-silicon iron |
| 07/17/1996 | CN1126765A Composite carbon-iron alloy block and its prodn process |
| 03/06/1996 | CN1031209C Rare-earth alloy with improved plasticity and toughness and impoving method thereof |
| 01/03/1996 | CN1030617C Al-Fe alloy for deoxidizing of Al killed steel and preparing process thereof |
| 10/03/1995 | CA1337148C Production process of spheroidal graphite cast irons |
| 09/14/1995 | WO1995024508A1 Cast iron inoculant and method for production of cast iron inoculant |
| 08/02/1995 | CN1029412C Technology of production coral iron with prefabricated coral coke carbon heating method |
| 07/26/1995 | CN1105711A Stable high melting point selenium-bearing intermediate alloy |
| 06/15/1995 | CA2111411A1 Process for the continuous manufacturing of metal silicon or terrosilicon and silicon alloys |
| 05/17/1995 | CN1028437C Formula for producing silica-alumina iron by use of ore-heating method and prodn. process thereof |
| 03/01/1995 | CN1099426A Plasticity and toughness improved rare earth alloy and method for improving plasticity and toughness of rare earth alloy |
| 01/25/1995 | CN1097808A Silicon-barium-strontium-iron alloy used as steel liquid deoxidizing agent and its preparing method |
| 01/18/1995 | CN1097472A Production of Al-Ti-B intermediate alloy |
| 12/07/1994 | CN1096056A Preparation of iron-base nanometer crystal alloy by complete crystallization method |
| 11/30/1994 | CN1026799C Prodn. of high-chromium, low-phosphorus, and low carbon chromium-iron |
| 11/08/1994 | US5362440 Ferrophosphorus refining process |
| 10/12/1994 | CN1093413A Al-Fe alloy using for aluminum steel deoxidation and method for prepn. of same |
| 09/21/1994 | EP0616041A1 Ferrophosphorus refining process |
| 09/07/1994 | CN1091779A Technique for smelting ferrochrome using powdered Cr ore reductive sintered blocks |
| 07/20/1994 | EP0474703B1 Manufacture of ferroalloys using a molten bath reactor |
| 07/06/1994 | CN1025352C Si-Al-Ba-Sr-Fe alloy for deoxidisation of steel and its preparing method |
| 06/08/1994 | CN1024928C Al.-Mn.-iron compound deoxidizing agent |
| 05/18/1994 | CN1024566C Manufacture of ferro alloy by molten bath reactor |
| 04/13/1994 | CN1085260A Alloy for inoculation |
| 04/12/1994 | US5302184 Manufacture of ferroalloys using a molten bath reactor |
| 03/16/1994 | CN1024024C Smelting process of alloyes of boron-silicon-iron and boron-iron |
| 03/02/1994 | CN1083125A Carbon heating process for producing ferroboron from premade boron coke |
| 02/16/1994 | CN1082117A Strong multicomponent deoxidant or additive |
| 10/20/1993 | CN1022494C Ball making method of alloy powder material |
| 09/01/1993 | CN1075753A Composite deoxidiser of Al-Mn-Fe |
| 06/16/1993 | CN1073215A One step smelting and casting nutrient pot from iron filing and its apparatus |
| 06/02/1993 | CN1072726A Silicon-aluminum-barium-strontium-iron alloy for steel-deoxidizing and producing method thereof |
| 05/12/1993 | CN1071968A Method of making mixturealloy boron |
| 05/11/1993 | US5209901 Agent for the treatment of cast iron melts |
| 01/27/1993 | EP0524444A1 Agent for treating of cast iron melts |
| 12/23/1992 | WO1992022675A1 Niobium ferroalloy and niobium additive for steels, cast irons, and other metallic alloys |
| 11/11/1992 | CN1019028B Si-al-ba-fe alloy used in steel deoxidizing and its preparation method |
| 08/26/1992 | EP0294371B1 Activator mixture for increasing the strength of iron alloys |
| 08/12/1992 | CN1017811B Low-aluminium silicon-titanium-iron alloy and its producing process |
| 08/12/1992 | CN1017810B Producing process of high-titanium titanium-iron alloy |
| 08/12/1992 | CN1017809B Titanium silicon and process thereof |
| 06/03/1992 | EP0474703A4 Manufacture of ferroalloys using a molten bath reactor |
| 05/19/1992 | CA1300894C Gray cast iron inoculant |
| 05/06/1992 | CN1060874A Briquetting method for powdered alloy |
| 04/29/1992 | CN1060682A Alloy powder material ball-made method |
| 04/22/1992 | CN1016361B Barium titanium silicon iron composition intermediate alloy |
| 03/18/1992 | EP0474703A1 Manufacture of ferroalloys using a molten bath reactor. |
| 02/19/1992 | CN1015552B Rare earths alloy dehydrogenation |
| 01/07/1992 | US5078927 Mixing pitch and(or) coal with quartz sand |
| 09/25/1991 | CN1054800A Binary process for production of synthetic silicon iron |
| 09/18/1991 | CN1054619A Barium titanium silicon iron composition intermediate alloy |
| 08/06/1991 | US5037609 Material for refining steel of multi-purpose application |
| 07/31/1991 | CN1053450A Formula for producing silica-alumina iron by use of ore-heating method and production process thereof |
| 07/24/1991 | CN1013283B Method for preparing silicon aluminium iron as steely deoxidant |
| 07/17/1991 | CN1053093A Prodn. of high-chromium, low-phosphorus, and low carbon chromium-iron |
| 07/10/1991 | CN1052901A Compond deoxidant (si-al-ba-fe alloy) made from alkaline earth metals |
| 06/12/1991 | CN1052149A Technology for saving mg in production of intermediate rare earth-si-fe-mg alloy |