| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 11/15/1983 | US4415356 A roasted portion blended with urroasted material using a flux |
| 11/09/1983 | EP0093632A1 Process and device for heating a fluidized bed with an injection of plasma, and use in nitrogen oxide synthesis, in the gazification of substances containing carbon, and in ore reduction |
| 11/08/1983 | US4414022 Method and apparatus for smelting sulfidic ore concentrates |
| 11/01/1983 | CA1156051A1 Method for treating sulfide raw materials |
| 10/18/1983 | US4410358 Plasma recovery of tin from smelter dust |
| 10/12/1983 | EP0091414A1 Apparatus and method for production of refractory metal from a chloride thereof |
| 10/11/1983 | US4409101 Fluidized bed apparatus |
| 10/11/1983 | US4409020 Recovery of metals from grinding sludges |
| 10/05/1983 | EP0090592A2 Metal recovery process |
| 09/27/1983 | US4406696 Process for recovering of metals from solutions of metal salts |
| 09/13/1983 | US4403769 Vacuum separator |
| 09/06/1983 | US4402275 Process for the continuous blowing of fine-particled reducing agents consisting predominantly of mineral coal into a shaft furnace |
| 09/06/1983 | CA1153210A1 Process and unit for preparing alloyed or not, reactive metals by reduction of their halides |
| 09/01/1983 | WO1983002956A1 Oxygen-free dispersion-strengthened copper and process for making same |
| 08/31/1983 | EP0087405A1 Process and device for the reduction of particle-sized ores containing oxide |
| 08/31/1983 | EP0087353A1 Process for executing metallurgical reductions and product used therefor |
| 08/30/1983 | US4401467 Continuous titanium process |
| 08/16/1983 | CA1151882A1 Method and apparatus for melting fusible substances, such as ore concentrates |
| 08/10/1983 | EP0085153A1 Process for gas production and metal recovery in a molten bath reactor, particularly in a molten iron bath |
| 08/09/1983 | US4397682 Process for preparing metals from their fluorine-containing compounds |
| 08/09/1983 | CA1151430A1 Reduction smelting process |
| 08/02/1983 | US4396426 Manufacture of lead from sulphidic lead raw material |
| 07/26/1983 | CA1150518A1 Recovering non-volatile metals from dust containing metal oxides |
| 07/19/1983 | US4394167 Method of carbothermically producing aluminum |
| 07/19/1983 | US4394164 Process for removal of harmful impurities from metallurgical sulphide melts |
| 07/19/1983 | US4394162 Alloying, benefication |
| 07/19/1983 | CA1150064A1 Process and apparatus for recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers |
| 07/12/1983 | US4392885 Method and apparatus for forming a directioned suspension spray of a pulverous material and a reaction gas |
| 06/21/1983 | US4389247 Metal recovery process |
| 06/21/1983 | US4389243 Method for the flash oxidation of metal concentrates |
| 06/21/1983 | CA1148363A1 Carbothermic production of aluminium |
| 06/14/1983 | US4388110 Method for recovering the metal content of complex sulphidic metal raw materials |
| 06/07/1983 | CA1147558A1 Method of recovering volatile metals from material containing metal oxides |
| 05/31/1983 | US4385970 Spontaneous deposition of metals using fuel fed catalytic electrode |
| 05/10/1983 | CA1145954A1 Process for the oxidation of molten low- iron metal matte to produce raw metal |
| 05/10/1983 | CA1145953A1 Method of treating pyrite bearing polymetallic material |
| 05/03/1983 | US4381939 Method for selective reduction of metallic oxides |
| 04/26/1983 | CA1145164A1 Process for silico-thermal preparation, in ladles, of manganese and silicon alloys |
| 04/26/1983 | CA1145147A1 Reduction of metals |
| 04/19/1983 | US4380469 Gasification coal |
| 04/12/1983 | CA1144366A1 Sprinkler burner and method of introducing particulate material and a gas into a reactor |
| 04/05/1983 | CA1144104A1 Treatment of matter in low temperature plasmas |
| 04/05/1983 | CA1143951A1 Process for oxygen sprinkle smelting of sulfide concentrates |
| 03/29/1983 | US4378244 System for coal injection in iron oxide reducing kilns |
| 03/08/1983 | CA1142366A1 Method of converting a bath of non-ferrous molten metal matte |
| 02/22/1983 | US4374805 Reductants for reducing metals in acid media |
| 02/22/1983 | US4374663 Method and apparatus for reducing an iron oxide material in a fluidized bed |
| 02/15/1983 | CA1141173A2 Reductants for reducing metals in acid media |
| 02/09/1983 | EP0071351A1 A transferred-arc plasma reactor for chemical and metallurgical applications |
| 02/08/1983 | US4372540 Apparatus for oxygen sprinkle smelting of sulfide concentrates |
| 01/04/1983 | CA1138651A1 Magnetic separation process for beneficiating ores |
| 12/14/1982 | US4363657 Process for obtaining manganese- and silicon-based alloys by silico-thermal means in a ladle |
| 12/07/1982 | US4362561 Oxidation, reduction |
| 11/30/1982 | US4361441 Treatment of matter in low temperature plasmas |
| 11/23/1982 | CA1135963A1 Process for making metal chlorides |
| 11/17/1982 | EP0064966A1 Vacuum device for separating refractory metal from magnesium metal and/or magnesium chloride mixed therewith |
| 11/17/1982 | EP0064903A1 Method for the manufacture of titanium-aluminium alloys |
| 11/09/1982 | US4358311 Method and apparatus for the smelting of material such as ore concentrates |
| 11/03/1982 | EP0063620A1 Process for producing magnesium |
| 10/27/1982 | EP0063551A2 A method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts |
| 10/26/1982 | US4356029 Alkali(ne earth) metal reactant, projecting, melting, blowing, dropping |
| 09/21/1982 | CA1131888A1 Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas |
| 08/31/1982 | CA1130571A1 Process for reducing copper-bearing materials |
| 08/17/1982 | US4344792 Reduction smelting process |
| 06/29/1982 | US4337086 Separation of mineral particles by size, compaction, flash oxidati |
| 06/16/1982 | EP0053848A1 Process for injecting gases rich in oxygen into a molten non-ferrous metal bath |
| 06/15/1982 | US4334925 Of reduced copper content |
| 06/09/1982 | EP0053595A1 A method for recovering the metal content of complex sulphidic metal raw materials |
| 06/09/1982 | EP0053594A1 The manufacture of lead from sulphidic lead raw material |
| 06/08/1982 | CA1125031A1 Process for the roasting and chlorination of finely-divided iron ores and/or concentrates containing non-ferrous metals |
| 05/27/1982 | WO1982001724A1 A method for manufacturing metal from fine-grain metal-oxide material |
| 05/26/1982 | EP0052354A2 Process for preparing metals from their fluorine-containing compounds |
| 05/25/1982 | US4331520 Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers |
| 05/25/1982 | US4331475 Process for aluminothermic production of chromium and chromium alloys low in nitrogen |
| 05/25/1982 | US4331472 Metal removal apparatus and method |
| 05/25/1982 | US4331087 Method and apparatus for forming a turbulent suspension spray from a pulverous material and reaction gas |
| 05/19/1982 | EP0051607A1 Metallurgical process and furnace |
| 05/11/1982 | US4329170 Smelting, combustion |
| 05/10/1982 | EP0040243A4 Process and apparatus for producing metals at porous hydrophobic catalytic barriers. |
| 04/27/1982 | US4326884 Reducing using combustion gases |
| 04/27/1982 | US4326702 Sprinkler burner for introducing particulate material and a gas into a reactor |
| 04/21/1982 | EP0050042A1 Electrode, cell and process for recovering metals |
| 04/06/1982 | US4323391 Process for recovering zinc |
| 03/17/1982 | EP0047665A1 Improvements in or relating to metal distillation |
| 03/17/1982 | EP0047664A1 Improvements in or relating to apparatus for reacting chemicals |
| 03/16/1982 | CA1119820A1 Carbon carrier suitable for use in electrothermal reduction processes, and process for making it |
| 03/09/1982 | CA1119417A1 Continuous process of converting non-ferrous metal sulfide concentrates |
| 01/26/1982 | CA1116873A1 Process for beneficiating metal-bearing materials |
| 01/13/1982 | EP0043373A1 Process and device for continuous reduction and melting of metal oxides and/or prereduced metal materials. |
| 01/12/1982 | US4310350 Recovering non-volatile metals from dust containing metal oxides |
| 12/29/1981 | US4308058 Blasting oxygen-enriched air into metal layer while maintaining layer thickness |
| 12/15/1981 | CA1114158A1 Gas distributing closure plug for metallurgical reactor |
| 12/01/1981 | CA1113256A1 Waelz process of volatilizing zinc and lead from iron oxide containing materials |
| 11/26/1981 | WO1981003342A1 Metallurgical process and furnace |
| 11/25/1981 | EP0040285A1 Metallurgical process and furnace |
| 11/25/1981 | EP0040243A1 Process and apparatus for producing metals at porous hydrophobic catalytic barriers. |
| 11/17/1981 | US4300949 Method for treating sulfide raw materials |
| 11/10/1981 | CA1112052A1 Refining method for non ferrous metal mattes |
| 11/03/1981 | US4298495 Countercurrent hydrogen gas flow through material in carbon crucible which reacts with water product |
| 11/03/1981 | US4298190 Apparatus for gaseous reduction of metal ores with cooling loop |