| Patents for C22C 35 - Master alloys for iron or steel (563) |
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| 03/20/1991 | CN1050046A Smelting process of alloyes of boron-silicon-iron and boron-iron |
| 01/23/1991 | EP0409015A2 Method for the production of raw material moulded bodies and raw material moulded bodies so produced |
| 01/02/1991 | CN1011046B Inoculant for gray pig iron |
| 12/13/1990 | WO1990015165A1 Manufacture of ferroalloys using a molten bath reactor |
| 12/12/1990 | CN1047704A Manufacture of ferro alloy by molten bath reactor |
| 10/04/1990 | WO1990011384A1 Material for refining a general purpose steel |
| 09/12/1990 | EP0233872B1 Method for the treatment of metals and alloys for the refining thereof |
| 08/29/1990 | CN1044959A Low-aluminium silicon-titanium-iron alloy and its producing process |
| 08/29/1990 | CN1044958A Producing process of high-titanium alloy |
| 08/22/1990 | CN1009279B Method for smelting micro-carbon chrome iron by the top-bottom compound blow converter |
| 07/25/1990 | CN1044130A Titanium silicon and process thereof |
| 06/27/1990 | CN1008542B Method for manufacturing mo-iron from mo ore |
| 06/26/1990 | US4937043 Boron alloy |
| 03/07/1990 | EP0357521A1 Process for the production of spheroidal graphite cast iron |
| 02/28/1990 | CN1040059A Method for producing silicon aluminium-iron as steely deoxidant |
| 02/14/1990 | CN1006810B Smelting of rare earth intermediate alloy by electric arc furnace from rare earth fine slag |
| 02/07/1990 | EP0353804A1 Process for the production of cast iron with spheroidal graphite and/or vermicular graphite |
| 01/24/1990 | CN1039063A New processing technology for high ice nickel |
| 11/07/1989 | CA1262636A1 Pre-refining treatment of metals and alloys |
| 10/24/1989 | US4875934 Method of deoxidizing molten ferrous metals |
| 10/05/1989 | DE3809315A1 Treatment alloy based on ferrosilicon or silicon, process for the preparation thereof and use thereof |
| 08/30/1989 | CN1035137A Method for smelting micro-carbon chrome iron by the top-bottom compound blow converter |
| 06/07/1989 | EP0319181A1 Molybdenum addition agent and process for its production |
| 02/22/1989 | CN1031259A Method of smelting ferrosilicon |
| 01/31/1989 | US4801328 For ferrous melts comprising a layer of aluminum surrounding a ferrous core |
| 12/14/1988 | EP0294371A1 Activator mixture for increasing the strength of iron alloys. |
| 11/01/1988 | CA1243860A1 Method of producing boron alloy and a product produced by the method |
| 08/17/1988 | CN86107918A Dehydrogenation for rare earths alloy |
| 07/19/1988 | US4758406 Molybdenum addition agent and process for its production |
| 07/05/1988 | CA1238787A1 Inoculant alloy based on ferrosilicon or silicon and process for its preparation |
| 06/30/1988 | WO1988004697A1 Activator mixture for increasing the strength of iron alloys |
| 06/07/1988 | US4749549 Gray cast iron inoculant |
| 06/01/1988 | EP0268679A1 Material for alloying a metal with vanadium |
| 03/09/1988 | CN87101579A Production of ferroboron directly from boron-magnesium-iron ore |
| 01/20/1988 | CN87104601A High-purity silicon iron and its preparation method |
| 01/13/1988 | EP0108107B1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron |
| 11/25/1987 | CN87103635A Machinofacture sphericized agent with iron and magnesium and its manufacturing engineering |
| 10/22/1987 | WO1987006272A1 Material for alloying a metal with vanadium |
| 08/12/1987 | EP0232042A2 Cast or ductile iron inoculant |
| 08/12/1987 | CN87100402A Inoculant for gray pig iron |
| 07/29/1987 | CN87100348A Method for manufacture of mo-iron from mo ore |
| 05/19/1987 | US4666516 Strontium, zirconium and/or titanium rich material |
| 03/24/1987 | US4652299 Process for treating metals and alloys for the purpose of refining them |
| 02/17/1987 | US4643768 Barium zirconium, calcium, aluminum components; suppression of carbide formation, nucleation; non-metallic or oxide forms |
| 11/18/1986 | US4623402 Nitriding, alloying |
| 09/03/1986 | CN85103958A Manufacture of rare earth intermediate alloy by electric arc furnace smelting of rare earth fine slag |
| 08/27/1986 | EP0192090A1 Magnesium-titanium-ferrosilicon alloys for producing compacted graphite iron in the mold and process using same |
| 08/13/1986 | CN85100665A New low energy-consumption ferrosilicon process |
| 08/05/1986 | CA1208917A1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron |
| 07/30/1986 | CN85100068A Nodulizer for heavy section nodular graphite cast iron and method for its production |
| 05/22/1986 | WO1986002949A1 Method for the treatment of metals and alloys for the refining thereof |
| 05/20/1986 | US4589915 Removing slag |
| 04/02/1986 | EP0175934A1 Inoculating alloy based on ferro-silicon or on silicon, and process for the manufacture thereof |
| 02/25/1986 | US4572747 From ferrous or non-ferrous melts; reduction of boron compounds with aluminum, silicon or carbon |
| 02/11/1986 | US4569691 Method of making ferroboron and ferroborosilicon alloys and the alloys made by this method |
| 02/04/1986 | US4568388 Magnesium-titanium-ferrosilicon alloys for producing compacted graphite iron in the mold and process using same |
| 01/21/1986 | CA1199499A1 Refining of ferrochromium metal |
| 01/21/1986 | CA1199498A1 Production and treatment of ferrochromium |
| 11/05/1985 | CA1196195A1 Boron alloying additive for continuously casting boron steel |
| 10/02/1985 | EP0156459A1 A method of producing boron alloy and a product produced by the method |
| 10/02/1985 | EP0156157A1 Additive for metallurgic liquids being effective to improve the characteristics of metal or metal alloy articles of manufacture |
| 08/27/1985 | CA1192410A1 Addition agent for adding vanadium to iron base alloys |
| 08/13/1985 | CA1191695A1 Addition agents for iron-base alloys |
| 05/29/1985 | EP0142585A1 Alloy and process for producing ductile and compacted graphite cast irons |
| 03/19/1985 | US4505745 Methods of producing and using amorphous mother alloy |
| 01/16/1985 | EP0131160A2 Non plugging falling film plasma reactor |
| 12/18/1984 | US4489041 Radiation barrier |
| 11/20/1984 | US4483710 Addition agent for adding vanadium to iron base alloys |
| 05/01/1984 | US4445932 Method of recovering ferronickel from oxidated nickel ores |
| 04/10/1984 | US4441921 Production and treatment of ferrochromium |
| 04/03/1984 | US4440568 Boron alloying additive for continuously casting boron steel |
| 03/06/1984 | US4435209 Process for the preparation of silicon or ferrosilicon |
| 02/21/1984 | US4432793 Ferroalloy for the treatment of cast metals and process |
| 01/17/1984 | US4426223 Refining of ferrochromium metal |
| 01/17/1984 | CA1160480A1 Amorphous metal alloys having enhanced magnetic properties and method of making and using |
| 11/10/1983 | WO1983003848A1 Magnesium ferrosilicon alloy and use thereof in manufacture of nodular cast iron |
| 11/08/1983 | US4414027 Method for obtaining iron-based alloys allowing in particular their mechanical properties to be improved by the use of lanthanum, and iron-based alloys obtained by the said method |
| 10/25/1983 | CA1155688A1 Master alloys containing lanthanum |
| 08/16/1983 | CA1151909A1 Titanium bearing addition alloys |
| 08/02/1983 | US4396425 Vanadium trioxide; calcium-silicon alloy, calcium carbide or cyanamide |
| 08/02/1983 | CA1150932A1 Process for the preparation of silicon or ferrosilicon |
| 06/28/1983 | US4390498 Hardening steel |
| 05/24/1983 | US4385030 Magnesium ferrosilicon alloy and use thereof in manufacture of modular cast iron |
| 04/28/1983 | WO1983001462A1 Process of refining ferrochromium metal |
| 04/28/1983 | WO1983001461A1 Process for the production of ferrochromium |
| 04/26/1983 | CA1145164A1 Process for silico-thermal preparation, in ladles, of manganese and silicon alloys |
| 03/22/1983 | US4377411 Alloy of silicon, iron and calcium |
| 03/17/1983 | WO1983000884A1 Improved addition agent for cast iron |
| 03/08/1983 | CA1142362A1 Process for the production of medium carbon manganese alloys |
| 02/22/1983 | US4374667 Ferrovanadium carbide addition agents and process for their production |
| 02/15/1983 | US4373948 Addition agents for iron-base alloys |
| 01/20/1983 | WO1983000167A1 Boron alloying additive for continuously casting boron steel |
| 12/14/1982 | US4363657 Process for obtaining manganese- and silicon-based alloys by silico-thermal means in a ladle |
| 10/19/1982 | US4354868 Process for the desiliconization of manganese alloys |
| 10/12/1982 | US4353865 Boron containing, iron-manganese-zirconium master-alloy |
| 10/06/1982 | EP0061816A1 Addition agent for adding vanadium to iron base alloys |
| 10/06/1982 | EP0061815A1 Addition agents for iron-base alloys |
| 10/05/1982 | CA1132801A1 Method for removal of silicates from manganese alloys |
| 08/31/1982 | US4347614 Apparatus for refining ferrosilicon |
| 03/09/1982 | CA1119412A1 Process for refining ferromanganeses |