| Patents for C21C 7 - Treating molten ferrous alloys, e.g. steel, not covered by groups (11,430) |
|---|
| 09/24/1985 | US4543125 Process of making steel in converter using a great amount of iron-bearing cold material |
| 09/18/1985 | EP0155255A2 A flushing arrangement for a metallurgical vessel |
| 09/17/1985 | US4541867 For addition to steel melts |
| 09/17/1985 | US4541866 Hot injection ladle metallurgy |
| 09/17/1985 | US4541865 Continuous vacuum degassing and casting of steel |
| 09/17/1985 | US4541863 Method for the treatment of phosphuretted slag |
| 09/17/1985 | US4541862 Arc heating using alternatring current |
| 09/10/1985 | CA1193104A1 Process for preparing a pulverulent metal oxide as an alloying additive to a steel melt |
| 09/10/1985 | CA1193096A1 Device for treating a flowing molten aluminum or magnesium based metal or alloy |
| 09/03/1985 | US4539042 Preventing an increase of the nitrogen content in molten steel |
| 08/28/1985 | EP0152674A1 Process of making steel in converter using a great amount of iron-bearing cold material |
| 08/21/1985 | EP0151872A2 Vacuum treating steels |
| 08/13/1985 | CA1191788A1 Pharmaceutical formulations |
| 08/13/1985 | CA1191695A1 Addition agents for iron-base alloys |
| 08/07/1985 | EP0150244A1 Process for producing steels from scrap contaminated by at least one of the elements chronium, copper, molybdenum and nickel |
| 08/06/1985 | US4533125 Apparatus for guiding and changing immersion lances |
| 08/06/1985 | US4533124 Device for delivering gaseous and solid materials to a metal pool during a refining process |
| 07/30/1985 | US4531972 Method for the fabrication of steels with high machinability |
| 07/30/1985 | US4531971 Loading pair of arc furnaces with scrap, inserting electrodes in one, adding oxygen containing gas and carbon, delivering hot exhaust gas to second, discharging molten iron, shifting electrodes to second, repeating |
| 07/23/1985 | US4530864 Porous ceramic structure |
| 07/17/1985 | EP0148337A1 Gas flushing plug for metallurgical vessels |
| 07/17/1985 | EP0148336A1 Gas flushing plug for metallurgical vessels |
| 07/16/1985 | US4529443 Supplying inert gas to bath |
| 07/16/1985 | US4529442 Supplying inert gas to bath |
| 07/16/1985 | US4529441 Electrical steels |
| 07/09/1985 | US4528673 Ladle furnace with DC heating |
| 07/03/1985 | EP0146830A2 Additive for metallurgical liquids, and method and device for the preparation thereof |
| 07/03/1985 | EP0146696A1 Process for refining of chromium-containing molten steel |
| 07/02/1985 | US4526613 Forming alloy steel, loading into vessel, adding vanadium oxide, generating slag, adding aluminum or silicon, injecting oxygen with argon or nitrogen |
| 06/26/1985 | EP0146079A2 Gas-permeable refractory plug |
| 06/25/1985 | US4525209 Process for producing low P chromium-containing steel |
| 06/19/1985 | EP0144773A1 Installation for the desulfurisation of iron melts |
| 06/11/1985 | CA1188521A1 Desulfurizing process |
| 06/11/1985 | CA1188520A1 Process for desulfurizing steel |
| 06/11/1985 | CA1188519A1 Method of introducing addition agents into a metallurgical operation |
| 06/05/1985 | EP0143276A1 Process to control the shape of inclusions in steels |
| 06/04/1985 | US4520861 Method and apparatus for alloying continuously cast steel products |
| 05/28/1985 | US4519838 Apparatus and process for producing predominately iron alloy containing magnesium |
| 05/28/1985 | US4519835 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 05/28/1985 | US4519587 Apparatus for regulating the delivery of solid materials by a blowing lance |
| 05/28/1985 | US4519438 Opening for injecting a protective gas into a casting tube |
| 05/21/1985 | US4518422 Process and apparatus for refining steel in a metallurgical vessel |
| 05/21/1985 | US4518421 Process for producing solid metal particles from a bath of metal |
| 05/15/1985 | EP0141760A1 Process for the treatment of steel by calcium to increase the cold-workability and to decrease the silicium content |
| 05/15/1985 | EP0141523A1 Mold additives for use in continuous casting |
| 05/14/1985 | US4517015 Steel refining method |
| 05/08/1985 | EP0140001A1 Process and device for the production of steel having an elevated degree of purity and a reduced gas content |
| 05/07/1985 | US4515630 Process of continuously treating an alloy melt |
| 04/30/1985 | US4514220 Decreasing ratio of oxygen and inert gas while maintaining constant gas flow beneath surfacxe |
| 04/24/1985 | EP0138382A2 Improvements in or relating to electrical steels |
| 04/24/1985 | EP0137913A1 Process for decarburizing alloy melts |
| 04/23/1985 | US4512802 Process for the decarburization of molten metal |
| 04/23/1985 | US4512800 Wire injection apparatus |
| 04/23/1985 | US4512799 Degassing of large exposed surface area |
| 04/17/1985 | EP0137734A2 Fluxes for casting metals |
| 04/17/1985 | EP0137618A2 Process and apparatus for adding calcium to a bath of molten ferrous material |
| 04/16/1985 | US4511401 Process for the treatment of molten metal |
| 04/16/1985 | US4511400 Production of tool steels using chemically prepared V2 O3 as a vanadium additive |
| 04/16/1985 | US4511396 Refining of metals |
| 04/11/1985 | WO1985001518A1 Process to control the shape of inclusions in steels |
| 04/10/1985 | EP0136433A1 Austenitic manganese steel of the Hadfield type, and process for the manufacture thereof |
| 03/27/1985 | EP0135050A2 Process of continuously treating an alloy melt |
| 03/26/1985 | US4507149 Rare earth compounds reacted with hydrogen sulfide |
| 03/26/1985 | CA1184385A1 Desulfurization mixture and process for making it |
| 03/26/1985 | CA1184384A1 Process for making agents for desulfurizing crude iron or steel melts |
| 03/26/1985 | CA1184381A1 Rotating gas dispersal device for treating metal melts |
| 03/20/1985 | EP0134351A1 Recovery of vanadium oxide |
| 03/20/1985 | EP0134336A1 Continuous steelmaking and casting |
| 03/19/1985 | US4505745 Methods of producing and using amorphous mother alloy |
| 03/12/1985 | US4504308 Method of operating a metallurgical plant |
| 03/12/1985 | US4504307 Method for carrying out melting, melt-metallurgical and/or reduction-metallurgical processes in a plasma melting furnace as well as an arrangement for carrying out the method |
| 01/29/1985 | US4496393 For introducing magnesium into metal melt |
| 01/22/1985 | US4494735 Apparatus for degassing molten metal |
| 12/27/1984 | EP0129390A1 Addition agents for addition of alloying ingredients to molten metals |
| 12/25/1984 | US4490173 Steelmaking additive composition |
| 12/25/1984 | US4490172 Method of melting and refining steel and other ferrous alloys |
| 12/18/1984 | US4488903 Rapid decarburization steelmaking process |
| 12/11/1984 | CA1179142A1 Vacuum purification of liquid metal |
| 12/04/1984 | US4486227 Metallurgy |
| 11/28/1984 | EP0126132A1 Apparatus for introducing substances into liquids e.g. metal melts. |
| 11/27/1984 | US4484946 Method of producing iron-, nickle-, or cobalt-base alloy with low contents of oxygen, sulphur, and nitrogen |
| 11/27/1984 | US4484731 Method and apparatus for continuously treating molten metal |
| 11/20/1984 | CA1178051A1 Gas-blast pipe for feeding reaction agents into metallurgical melts |
| 11/14/1984 | EP0125198A1 Apparatus for accelerating solid particles |
| 11/14/1984 | EP0125173A1 Process for producing solid metal particles from a molten metal |
| 11/14/1984 | EP0124689A1 Steel refining method using slag |
| 11/13/1984 | US4482607 Protects against oxidation |
| 11/13/1984 | CA1177642A1 Oxygen injection lance jet for decarburizing grey iron, and its use for decarburizing chrome alloyed grey iron |
| 11/06/1984 | US4481032 Feeding wire through refractory lance |
| 11/06/1984 | CA1177244A1 Molten metal filtering device |
| 10/31/1984 | EP0123632A1 Process for the production of steels with high machinability |
| 10/24/1984 | EP0122910A1 Method of operating a metallurgical plant |
| 10/23/1984 | CA1176460A1 Fire proof gas permeable structural unit |
| 10/16/1984 | US4477278 Steelmaking process using calcium carbide as fuel |
| 10/09/1984 | CA1175660A1 Process for the manufacture of basic slags for the electroslag remelting process |
| 09/26/1984 | EP0119770A2 Method and apparatus for the detection and measurement of particulates in molten metal |
| 09/25/1984 | US4473397 Foam prevention compositions and processes for use in steel production |
| 09/18/1984 | US4472196 Exothermic alloy for addition of alloying ingredients to steel |
| 09/18/1984 | US4472195 Process for decarburizing alloy melts |
| 09/12/1984 | EP0118412A2 Method of carrying out melting, melt-metallurgical and/or reduction-metallurgical processes in a plasma melting furnace as well as an arrangement for carrying out the method |