| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
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| 09/12/1984 | EP0118378A2 Longitudinally folded metal tube containing a flux and reelable powder wire |
| 09/04/1984 | US4469511 Removing phosphorus from iron |
| 09/04/1984 | CA1173784A1 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 08/29/1984 | EP0116764A1 Apparatus for blowing powdery refining agent into refining vessel |
| 08/29/1984 | EP0116756A1 Apparatus for introducing substances into liquids e.g. metal melts |
| 08/29/1984 | EP0116720A1 Method of and apparatus for melting scrap |
| 08/22/1984 | EP0116206A1 Treatment agents for molten steel |
| 08/21/1984 | US4466824 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 08/14/1984 | US4465513 Process to control the shape of inclusions in steels |
| 08/14/1984 | US4465265 Lance for blow type reactor |
| 08/14/1984 | CA1172447A1 Apparatus for purifying molten metal |
| 08/08/1984 | EP0115271A1 Steelmaking process using calcium carbide as fuel |
| 08/07/1984 | US4464198 Cast iron nodularization |
| 08/01/1984 | EP0114376A1 Process for limiting interactions between liquid metal and atmosphere |
| 07/31/1984 | US4462834 Ladle covering compound |
| 07/31/1984 | US4462823 Treatment agents for molten steel |
| 07/17/1984 | US4460409 Process and installation for protecting a jet of molten metal for casting |
| 07/17/1984 | US4460164 Apparatus for refining of steel melts |
| 07/04/1984 | EP0112540A1 Installation for guiding and changing immersion lances |
| 07/03/1984 | US4457778 Desiliconization, dephosphorization, decarburization |
| 06/27/1984 | EP0112259A1 Attachment of the edges of enveloped alloying rods |
| 06/26/1984 | US4456478 Injection of high prewssure gas through tubes extending below slag layer into melt in ladle to cause overflow |
| 06/19/1984 | US4455166 Supersonic |
| 06/19/1984 | CA1169248A1 Apparatus for refining molten metal |
| 06/19/1984 | CA1169247A1 Apparatus for refining molten aluminum |
| 06/13/1984 | EP0110809A1 Process and installation for the treatment of steel in the ladle |
| 06/13/1984 | EP0110806A1 Regulating system for delivering solid materials to a blowing lance |
| 06/12/1984 | CA1168862A1 Tuyere for blowing gases into molten metal bath container |
| 06/07/1984 | WO1984002147A1 Apparatus for introducing substances into liquids e.g. metal melts |
| 06/05/1984 | US4452634 Method of stirring molten metal and refractory cylinder for the purpose |
| 05/30/1984 | EP0109916A1 Apparatus for delivering gaseous and solid materials to a bath of molten metal by way of refining |
| 05/29/1984 | US4451293 Slag-forming agent and process for producing the agent |
| 05/29/1984 | US4451288 Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
| 05/23/1984 | EP0109153A1 Calcium oxide based flux compositions |
| 05/22/1984 | US4450004 Dephosphorization and desulfurization method for molten iron alloy containing chromium |
| 05/08/1984 | US4447046 Apparatus for adding strongly reacting materials into a melt |
| 05/02/1984 | EP0107299A1 Use of fluxes for refining metals, particularly steel melts |
| 05/01/1984 | US4445933 Method of refining molten steel |
| 04/25/1984 | EP0106822A1 Nozzle for injection lance |
| 04/24/1984 | US4444590 Calcium-slag additive for steel desulfurization and method for making same |
| 04/24/1984 | CA1166019A1 Raw mix flux for continuous casting of steel |
| 04/24/1984 | CA1166018A1 Steelmaking process with separate refining steps |
| 04/17/1984 | US4443252 Blowing oxygen, inert gases, apertures, carbon |
| 04/17/1984 | US4443004 Device for the treatment of a stream of aluminum or magnesium-based liquid metal or alloy during its passage |
| 04/10/1984 | CA1165128A1 Vortex reactor and method for adding solids to molten metal therewith |
| 04/10/1984 | CA1165117A1 Gas injection for the treatment of a molten metal bath |
| 04/04/1984 | EP0104841A1 Removing phosphorous from iron |
| 03/21/1984 | EP0103534A2 Crucible furnace |
| 03/20/1984 | US4437652 Vessel for the treatment of molten metal |
| 03/13/1984 | US4436553 Process to produce low hydrogen steel |
| 03/06/1984 | US4435210 Refining agent of molten metal and methods for producing the same |
| 02/28/1984 | CA1162746A1 Method for the addition of a reactive metal to a molten metal bath |
| 02/07/1984 | US4430118 Calcium carbide, calcium carbonate, carbon, iron melts, flotation, air sifting |
| 02/07/1984 | CA1161650A1 Desulphurising agent |
| 02/01/1984 | EP0099436A1 Method of refining molten metal with stirring by repeated operation of suction and discharge |
| 02/01/1984 | EP0099435A1 Method of stirring molten metal and refractory cylinder for the purpose |
| 01/25/1984 | EP0098926A1 Process for the production of steel starting from solid iron-bearing material |
| 01/24/1984 | US4427444 Method of refining molten metal with stirring by repeated operation of suction and discharge |
| 01/17/1984 | US4426287 Molten metal filtering device |
| 01/17/1984 | US4426224 Lance for powder top-blow refining and process for decarburizing and refining steel by using the lance |
| 01/17/1984 | US4426068 Rotary gas dispersion device for the treatment of a bath of liquid metal |
| 01/11/1984 | EP0098261A1 Method of producing a vanadium- and nitrogen-containing material for use as an addition to steel |
| 01/11/1984 | EP0097971A2 Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
| 01/10/1984 | US4424955 Apparatus for treating liquid metal in a vessel |
| 01/03/1984 | US4423858 Tuyere or nozzle |
| 01/03/1984 | CA1159653A1 Pneumatic stirring process for a bath of molten metal |
| 12/20/1983 | US4421555 Method of and apparatus for metallurgical treatment of a melt |
| 12/20/1983 | CA1158865A1 Method and apparatus for handling flux fines |
| 12/13/1983 | US4420333 Powdery desulfurizer composition |
| 11/30/1983 | EP0095436A1 Gas-permeable refractory bodies |
| 11/30/1983 | EP0029038B1 Product for the desulphurization of cast irons and steels |
| 11/29/1983 | US4417924 Lime and calcium aluminate; or calcium oxide, alumina, and magnesia |
| 11/29/1983 | US4417723 Tuyere for blowing gases into molten metal bath container |
| 11/23/1983 | EP0094926A1 Orifice for injecting a protecting gas into a casting tube |
| 11/22/1983 | CA1157276A1 Method for preventing slopping during subsurface pneumatic refining of steel |
| 11/16/1983 | EP0094334A1 Device for the metallurgical treatment of liquid metals |
| 11/15/1983 | US4415358 Method of desulfurizing a ferrous melt |
| 11/08/1983 | US4413816 Gas-blast pipe for feeding reaction agents into metallurgical melts |
| 11/08/1983 | US4413815 Device for blowing swirling gas into a metal refinery converter |
| 11/08/1983 | CA1156472A1 Method and apparatus for the degassing of molten metal |
| 11/02/1983 | EP0093040A1 Process for increasing the life of gas-permeable refractory elements in the bottoms of metallurgical vessels, especially for steel-basic-oxygen furnaces |
| 11/02/1983 | EP0092764A1 Method of adding ingredient to steel as shot |
| 11/02/1983 | EP0092652A1 Apparatus for treating molten metal and method for refining steel melts |
| 10/26/1983 | EP0092499A1 Apparatus for treating fluid metals |
| 10/26/1983 | EP0092104A1 Rack with card frames fittable by means of side slide guides |
| 10/25/1983 | US4411696 Steelmaking process with separate refining steps |
| 10/18/1983 | US4410598 Process for preparation of insulating coatings upon steel |
| 10/11/1983 | US4408750 Method and arrangement for spreading covering material |
| 10/11/1983 | CA1154968A1 Magnesium bearing compositions for and method of steel desulfurization |
| 10/11/1983 | CA1154967A1 Process for the decarburation of chromium steels |
| 10/11/1983 | CA1154917A1 Manufacture of a composite tubular product |
| 10/05/1983 | EP0090452A1 Process for producing steel in a converter from pig iron and ferrous scrap |
| 10/04/1983 | CA1154596A1 Desulfurizing agent and process for its manufacture |
| 09/27/1983 | US4406443 Apparatus for distributing gas-laden refining powdered-particles into molten metal |
| 09/21/1983 | EP0089282A1 Process and device for the protection of a casting stream of liquid metal |
| 09/20/1983 | US4405364 Process of refining iron in oxygen converters with additions of materials containing sodium carbonate |
| 09/20/1983 | US4405363 Method for refining of steel melts |
| 09/06/1983 | US4402895 Compaction of carbon dust and a binder |
| 09/06/1983 | US4402743 Consumable molding process for super alloys |
| 08/31/1983 | EP0087328A1 Process to produce low hydrogen steel by argon-oxygen decarburization |