| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
|---|
| 05/20/1980 | CA1077908A1 Two piece hammer |
| 05/20/1980 | CA1077723A1 Method of producing a partially reduced product |
| 05/13/1980 | US4202534 Method and apparatus for producing metallized iron ore |
| 05/13/1980 | CA1077441A1 Method for enhancing artificially magnetic separation of minerals by the use of preconditioning reagents |
| 05/13/1980 | CA1077239A1 Ilmenite oxidation in a carbon-containing fluidized bed |
| 05/06/1980 | US4201748 Process for thermal-activation of chalcopyrite-pyrite concentrates |
| 05/06/1980 | US4201570 Process for quenching of fine particulates |
| 05/06/1980 | US4201370 Method and apparatus for heat treating materials to remove contaminants |
| 05/06/1980 | CA1076796A1 Method of carrying out exothermic processes |
| 04/29/1980 | US4200454 Process for the volatilization of zinc and/or lead from metallurgical material |
| 04/29/1980 | US4200262 Method and apparatus for removing combustible material from metal scrap |
| 04/22/1980 | US4199348 Mineral ore pellets |
| 04/22/1980 | CA1076003A1 Method of and apparatus for treating rolling mill scale |
| 04/22/1980 | CA1075913A1 Method and apparatus for producing metallic iron particles |
| 04/15/1980 | CA1075469A1 Process for pyrometallurgical recovery of iron from iron silicate slags |
| 04/15/1980 | CA1075467A1 Process for extracting metal values from manganese nodules |
| 04/08/1980 | US4197115 Grinding easy-to-grind, strength-enhancing ore, mixing with hard-to-grind ore, pelletization |
| 03/25/1980 | CA1074249A1 Seal arrangement for a rotary drum assembly |
| 03/25/1980 | CA1074179A1 Briquetting segment roll apparatus |
| 03/11/1980 | CA1073215A1 Production of blister copper directly from roasted copper-iron sulfide concentrates |
| 03/04/1980 | US4191655 Dewatering composition |
| 03/04/1980 | CA1072742A1 Method for preparing dry-collected fume for use in steelmaking furnaces |
| 02/26/1980 | CA1072325A1 Method of treating wet-washed silica dust |
| 02/07/1980 | WO1980000131A1 Magnetic separation process for beneficiating sulfide ores |
| 02/05/1980 | CA1070954A1 Method of reducing finely grained material containing iron oxides in a fluid bed |
| 02/05/1980 | CA1070953A1 Agglomerates for use in a blast furnace and method of making the same |
| 01/29/1980 | CA1070499A1 Apparatus for cooling particulate material |
| 01/23/1980 | EP0006911A1 Method and means for scraping surfaces |
| 01/22/1980 | CA1070108A1 Method and apparatus for recovering by-products silt fine from a slurry thereof |
| 01/08/1980 | US4182498 Recovery of round metal granules from process sludge |
| 01/08/1980 | CA1069316A1 Treatment of ores or metallurgical by-products containing arsenic and antimony |
| 01/01/1980 | CA1068902A Method and an apparatus for steam curing agglomerates |
| 12/04/1979 | US4177064 Enhanced oil recovery |
| 12/04/1979 | US4177062 By contacting with hot slag and falshing off the oil |
| 11/27/1979 | US4175790 Process for the preconcentration of metalliferous products |
| 11/13/1979 | US4174372 Combustion in fluidized bed with fuel gas and oxygen supplied to the bed through separate openings |
| 11/06/1979 | US4173623 Fluidized bed |
| 11/06/1979 | US4173519 Method, process, system, and apparatus for recovering metal values from ores |
| 11/06/1979 | CA1065614A1 Alkali metal silicates to reduce particulate emissions in sintering operations |
| 11/06/1979 | CA1065606A1 Round cooler for hot bulk material |
| 10/23/1979 | CA1064711A1 Extraction method for non-ferrous metals |
| 10/23/1979 | CA1064709A1 Method for production of magnesium-containing briquets and magnesium |
| 10/23/1979 | CA1064708A1 Process for separation and recovery of metal values from sulfide ore concentrates |
| 10/17/1979 | EP0004637A1 Process for the conversion of fine grained iron or manganese ore in a sinterable raw material |
| 10/16/1979 | US4171336 Of iron ore |
| 10/09/1979 | CA1063835A1 Method and apparatus for continuous passivation of sponge iron material |
| 10/09/1979 | CA1063810A1 Process and apparatus for treatment of a sulfur containing material |
| 09/25/1979 | US4168969 Oxidation and reduction leaching, desulfurization |
| 09/25/1979 | US4168966 Agglomerates for use in a blast furnace and method of making the same |
| 09/25/1979 | US4168951 Method of sintering and apparatus for carrying out the method |
| 09/25/1979 | US4168714 Apparatus for treating rolling mill scale |
| 09/18/1979 | US4168154 Sintering process for iron ore mixtures |
| 09/18/1979 | CA1062473A1 Refining of metals |
| 09/18/1979 | CA1062428A1 Method and apparatus for continuous passivation of sponge iron material |
| 09/11/1979 | US4167387 Segment roll for a briquet or compacting roll press |
| 09/11/1979 | CA1062016A1 Ferrous metal network impregnated with magnesium metal |
| 09/11/1979 | CA1062007A1 Fluid bed calcining of particulate materials |
| 09/04/1979 | CA1061549A1 Sinter machine control as a function of waste gas temperature |
| 08/28/1979 | US4165978 Briquet sheet breaking by cooling and bending |
| 08/28/1979 | CA1061120A1 Process for measuring, controlling and optimizing gas flow through a sinter mixture on travelling grates |
| 08/22/1979 | EP0003665A1 A method of producing cold agglomerates for use in iron making |
| 08/21/1979 | CA1060662A1 Treatment of material with hydrogen chloride |
| 08/08/1979 | EP0003464A1 Process for the utilization of lead and zinc present in the mud resulting from the secundary scrubbing of blast furnace exhaust gases |
| 07/31/1979 | USRE30060 Drying, fracturing, balling |
| 07/31/1979 | US4162891 Scrap preheater modular roof assembly |
| 07/24/1979 | US4162284 Method of producing mechanically strong pellets from non-oxidizable metal oxides |
| 07/24/1979 | CA1058865A1 Sinter roasting of a sulphurous material |
| 07/17/1979 | US4161501 Method of producing mechanically strong metal oxide pellets |
| 07/17/1979 | CA1058382A1 Process of producing iron oxide weighting materials for drilling fluids |
| 07/11/1979 | EP0002664A1 Metallic scrap-treatment process and apparatus therefor |
| 07/10/1979 | CA1057973A1 Balling process with fluid control |
| 07/03/1979 | CA1057510A1 Process for treating sulfidic complex and mixed ores, concentrates and technical precipitates |
| 07/03/1979 | CA1057506A1 Method of producing metallic lead and silver from their sulfides |
| 06/26/1979 | CA1057260A1 Process for producing shaped bodies |
| 06/26/1979 | CA1057062A1 Method for physically processing metals, metal ores, compounds and concentrates thereof |
| 06/19/1979 | US4158695 Electrothermal fluidized bed furnace |
| 06/05/1979 | CA1055709A1 Process of controlling the fe++ content of sintered iron ore |
| 05/29/1979 | US4156649 Dewatering ore concentrates with branched alkyl ethoxylated alcohol |
| 05/15/1979 | CA1054377A1 Process for the treatment of calcium tungstate |
| 05/08/1979 | US4153655 Products from molten fly ash and scrubber sludge including fly ash |
| 05/08/1979 | CA1053907A1 Process for the thermal treatment of lateritic nickel ore |
| 05/01/1979 | CA1053471A1 Selective reduction of oxidized ore |
| 04/24/1979 | CA1053377A1 Semiconductor device |
| 04/24/1979 | CA1053006A1 Method of reducing iron ore |
| 04/24/1979 | CA1052998A1 Combustion system |
| 04/17/1979 | CA1052586A1 Process for oxidizing metal sulfides to elemental sulfur using activated carbon |
| 04/17/1979 | CA1052580A1 Process for the treatment of iron and manganese tungstates |
| 04/17/1979 | CA1052540A1 Apparatus for mixing and granulating bulk materials |
| 04/10/1979 | US4148862 Hydrometallurgical treatment of soluble silicate-bearing zinc materials |
| 04/10/1979 | US4148627 Agglomeration of steel mill wastes |
| 04/04/1979 | EP0001257A1 Travelling grate comprising an endlessly circulating grate chain the grate members of which each comprise one grate plate |
| 04/03/1979 | CA1051813A1 Method of feeding green pellets onto grate of pretreatment furnace in the production of reduced pellets |
| 04/03/1979 | CA1051658A1 Method and furnace for heat treating material |
| 03/22/1979 | WO1979000148A1 Method and means for scraping surfaces |
| 03/22/1979 | WO1979000137A1 Method of separating a solid and a liquid phase of a mass |
| 03/20/1979 | US4145395 Oxidation |
| 03/20/1979 | US4145210 Process for indurating dried pellets in a rotary kiln |
| 03/20/1979 | US4145187 Treatment of material with hydrogen chloride |
| 03/20/1979 | CA1050767A1 Treatment of chalcopyrite |
| 03/20/1979 | CA1050766A1 Method and means for reducing material containing ferric oxide |