Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430)
08/1983
08/30/1983US4401465 Magnesium granules coated with fluoride containing flux for desulfurizing steel
08/30/1983US4401464 Injection metallurgy method and equipment for its execution
08/24/1983EP0086549A1 Apparatus and process for the treatment of molten metal
08/23/1983US4400292 Process for making agents for desulfurizing crude iron or steel melts
08/23/1983US4400207 Briquets of metal oxide, iron silicide, bentonite and water as alloying additive for steel melts
08/23/1983CA1152336A1 Method of decarburizing molten metal
08/23/1983CA1152335A1 Desulphurisation of ferrous melts
08/23/1983CA1152320A1 Device for introducing gases into molten metal
08/16/1983US4398947 Coated magnesium granules having anti-caking properties
08/09/1983US4397683 Desulfurization of fluid materials
07/1983
07/26/1983US4395282 Calcium carbide, calcium oxide
07/20/1983EP0083920A2 Method of casting steels with higher aluminium standards by continuous billet casting plants
07/19/1983US4394161 Method of producing a vanadium- and nitrogen-containing material for use as an addition to steel
07/19/1983CA1150058A1 Product for desulfurizing cast irons and steels
07/12/1983US4392887 Covering with lime, deoxidation, blowing lime, aluminum and calcium fluoride in inert gas
07/12/1983US4392636 Apparatus for degassing molten metal
07/12/1983CA1149618A1 Process for the manufacture of desulfurizing agents for crude iron or steel melts
07/12/1983CA1149578A1 Casting powder applicator
07/05/1983US4391633 Process for dephosphorization, desulfurization and denitrification of chromium-containing pig iron
06/1983
06/22/1983EP0082078A1 Permeable refractory element introducing a stirring-fluid into a molten-liquid metal bath
06/22/1983EP0081794A1 Process for manufacturing fired refractory porous plugs for rinsing by gas
06/21/1983US4389360 Method of forming a protective coating on a long lance to be immersed in molten metal
06/21/1983US4389249 Melting
06/21/1983US4389245 Gas injection in steels
06/21/1983US4389042 Vacuum degassing apparatus
06/21/1983CA1148361A1 Injection-metallurgical process for the treatment of a steel melt
06/14/1983US4388112 Desiliconizing, dephosphorizing, decarburizing, and desulfurizing
06/14/1983CA1147968A1 Method of scavenging steel
06/14/1983CA1147967A1 Method for introducing deoxy-desulphurizing substances into the mass of liquid metals without the use of gaseous carriers
06/07/1983CA1147528A1 Additives for continuous casting of steel
06/01/1983EP0080403A1 Installation for introducing gas into a bath of liquid metal
05/1983
05/24/1983US4384887 Process of making salt-coated magnesium granules
05/24/1983CA1146760A1 Casting powder for the continuous casting of steel and method for producing the same
05/17/1983CA1146599A1 Gas permeable refractory body
05/11/1983EP0078277A1 Immersion and vaporization chamber
05/10/1983US4382817 Process for periodically and pneumatically stirring a bath of molten metal
05/03/1983US4381941 Mixing titanium in melt and removal of titanium slag
04/1983
04/26/1983CA1145206A1 Production of salt-coated magnesium particles
04/26/1983CA1145146A1 Particulate slagging composition for the continuous casting of steel
04/26/1983CA1145145A1 Method of, and a converter, for making steel
04/20/1983EP0077282A1 Installation for the continuous treatment of liquid metals or liquid metal alloys in the form of magnesium or aluminium
04/05/1983CA1143947A1 Method for increasing vessel lining life for basic oxygen furnaces
04/05/1983CA1143940A1 Device for th vibration of slags
03/1983
03/29/1983US4378242 Vacuum purification of liquid metal
03/29/1983US4378106 Refractory gas permeable structural unit
03/17/1983WO1983000878A1 Process for manufacturing steel for isotropic silicon steel plate
03/16/1983EP0074036A1 Process for producing steel for an electrical steel sheet
03/15/1983CA1142761A1 Process for the treatment of boron-containing steel
03/09/1983EP0073729A1 Stirring equipment for the dispersion of gas during the treatment of metal baths
03/01/1983CA1141965A1 Production of agent for desulfurizing crude iron and steel melts
03/01/1983CA1141964A1 Agent for desulfurizing crude iron and steel melts, and process for making it
02/1983
02/16/1983EP0071755A1 Method of preheating and heating empty AOD converter vessels
02/15/1983US4373967 Process for making resulfurized machinable steel
02/15/1983US4373948 Addition agents for iron-base alloys
02/15/1983US4373704 Apparatus for refining molten metal
02/15/1983CA1141175A1 Method of safely injecting oxygen reactive materials into a submerged oxygen gas stream
02/15/1983CA1141174A1 Homogenization of metal using gas
02/15/1983CA1141168A1 Method of improving the performance of submerged oxygen injectors
02/09/1983EP0071351A1 A transferred-arc plasma reactor for chemical and metallurgical applications
02/09/1983EP0070913A1 Vessel for the treatment of molten metal baths
02/08/1983US4372541 Apparatus for treating a bath of liquid metal by injecting gas
02/08/1983CA1140907A1 Method of improving the flowability of desulphurizing agents for crude iron and steel melts
02/01/1983US4371395 Reduction, lead sulfide
02/01/1983US4371392 Process for refining a molten metal
01/1983
01/26/1983EP0070799A2 Gas spray-nozzle for a swirling tank reactor
01/19/1983EP0070109A1 Injection lances
01/12/1983EP0069434A1 Apparatus for refining molten metal
01/11/1983US4368071 Process for the manufacture of desulfurizing agents for crude iron or steel melts
01/11/1983US4367784 Method for adding cooling powders to steel during continuous casting
01/04/1983US4366952 Immersion-lance for introducing a finely divided, particulate solid material into a metal melt
12/1982
12/28/1982US4366145 Soft gelatin capsule with a liquid ergot alkaloid center fill solution and method of preparation
12/21/1982US4364771 Magnesium shot and granulated slag
12/21/1982US4364770 Manufacture of a composite tubular product
12/21/1982CA1137759A1 Desulfurizing agent for injection
12/15/1982EP0067093A1 Process for treating phosphided slags
12/15/1982EP0066775A1 Blow orifice or tuyere for injection of gas and/or of liquid or powdered material into molten metals
12/14/1982CA1137309A1 Apparatus for refining molten aluminum
12/14/1982CA1137302A1 Ladle heating system
12/08/1982EP0066305A1 Additive in wire form for treating molten metals
12/07/1982US4362559 Method of introducing addition agents into a metallurgical operation
11/1982
11/30/1982US4361442 Vanadium addition agent for iron-base alloys
11/30/1982CA1136528A1 Fluxes for casting metals
11/16/1982US4359337 Process for the manufacture of basic slags for the electroslag remelting process
11/11/1982WO1982003875A1 Immersion and vaporization chamber
11/10/1982EP0064449A1 Apparatus for blowing an agitating gas into a converter for refining metals
11/09/1982US4358313 Process for refining molten pig iron and steel
11/09/1982US4358312 Desulfurizing agent and process for its manufacture
11/03/1982EP0064019A1 Process and apparatus for the desulphurisation of iron-based melts
11/02/1982US4357004 Apparatus for refining molten metal
10/1982
10/26/1982CA1134143A1 Condition responsive control means for use in discharging powdered reagent into a pool of molten metal
10/19/1982US4354868 Process for the desiliconization of manganese alloys
10/12/1982US4353739 Desulphurization of ferrous melts
10/06/1982EP0061987A1 Process and apparatus for treating molten metals in the framework of metallurgical processing
10/06/1982EP0061815A1 Addition agents for iron-base alloys
10/05/1982US4352605 Means for adding materials to a flowing stream
10/05/1982CA1133037A1 Method for determining weight of molten metal in situ
10/05/1982CA1132801A1 Method for removal of silicates from manganese alloys
09/1982
09/29/1982EP0061012A1 Process for producing desulfurizing agents for pig iron and steel melts
09/29/1982EP0061011A1 Process for producing desulfurizing agents for pig iron or steel melts
09/28/1982US4351514 Apparatus for purifying molten metal