| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 01/20/1987 | CA1216756A1 Chemical process for producing alkali and alkaline earth metals |
| 01/14/1987 | EP0040243B1 Process and apparatus for producing metals at porous hydrophobic catalytic barriers |
| 01/13/1987 | US4636353 Novel neodymium/iron alloys |
| 01/10/1987 | CN85101919A Method for recovering the metal values from materials containing tin and/or zinc |
| 01/07/1987 | EP0207656A1 Recovery of metals from their alloys with lead |
| 01/06/1987 | US4635273 Method and apparatus for the thermal production of metal carbides and metals |
| 12/30/1986 | EP0206008A2 Mixed binder systems for agglomerates |
| 12/23/1986 | CA1215679A1 Spontaneous deposition of metals using fuel fed catalytic electrode |
| 12/23/1986 | CA1215677A1 Method of producing metals or metal alloys and an arrangement therefor |
| 12/23/1986 | CA1215546A1 Process for recovering noble metals belonging to group viii of the periodic system of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether |
| 12/16/1986 | US4629506 Process for the production of ferrochromium |
| 12/04/1986 | WO1986007097A1 Metal halide reduction with molten sodium/potassium alloy |
| 11/19/1986 | CN86101735A Metallurgical composites and processes |
| 11/18/1986 | US4623386 Energy efficient |
| 11/18/1986 | US4622905 Furnacing |
| 11/06/1986 | WO1986006361A1 Preparing metal compounds, alloys and metals by pyrolysis |
| 10/29/1986 | EP0199441A1 Reductive smelting of sulfides and a burner therefor |
| 10/22/1986 | CN85103256A Method and means for mfg. a preformed metal product |
| 10/15/1986 | CN85103346A Process for direct reduction of briquets bound with high molecular substances |
| 10/14/1986 | US4617671 Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys |
| 10/08/1986 | CN85101039A Method and plant for reducing oxidic material while simultaneously generating a gas suitable for the recovery of thermal energy |
| 10/07/1986 | US4615729 Roasting sulfidic copper feed with s02 scavenger |
| 10/07/1986 | CA1212243A1 Means for separating solid and molten particles from the exhaust gases of metallurgical furnaces and way to recover lead from such gases |
| 10/01/1986 | CN86100416A Apparatus for the pyrometallurgical processing of fine-grained solids to make molten products |
| 09/30/1986 | CA1211931A1 Apparatus for preparing high-melting-point high- toughness metals |
| 09/23/1986 | US4613366 Continuous reactive metal reduction using a salt seal |
| 09/23/1986 | US4613364 Method and means for manufacturing a preformed metal product |
| 09/16/1986 | USRE32247 Process for the direct production of steel |
| 09/16/1986 | US4612041 Process for recovering valuable metals from an iron dust containing a higher content of zinc |
| 09/12/1986 | WO1986005211A1 A method for working-up waste products containing valuable metals |
| 09/10/1986 | EP0193976A1 Apparatus for the pyrometallurgical treatment of fine-granular solid materials to obtain fused products |
| 09/09/1986 | US4610720 Method for preparing high purity vanadium |
| 09/03/1986 | CN85107375A Apparatus for producing ignitable solids-gas suspensions |
| 09/03/1986 | CN85103967A Smelting of rare earth fine ore briquettes (or lumps) to prepare rare earth fine slag and niobium ferric phosphorate |
| 08/26/1986 | USRE32234 Non-ferrous metal treatment |
| 08/26/1986 | US4608083 Method for recovering the valuable metal content of contaminated copper raw material |
| 08/20/1986 | CN85109738A Rare earth alloy powder and process for producing the same |
| 08/19/1986 | US4606764 Method of recovering metals from ores using a formate reducing agent |
| 08/19/1986 | US4606761 Such as iron ore with carbon monoxide and/or hydrogen |
| 08/19/1986 | US4606760 Method and apparatus for simultaneously separating volatile and non-volatile metals |
| 07/22/1986 | US4601752 Iron from ilmenite |
| 07/08/1986 | US4599108 Method for processing sulphide concentrates and sulphide ores into raw material |
| 07/08/1986 | EP0129555A4 Process and apparatus for obtaining silicon. |
| 07/08/1986 | CA1207129A1 Plasma injected fluidised bed method and heating installation, its uses for nitrous oxyde synthesis, coal gasification and ore reduction |
| 07/01/1986 | US4597948 Apparatus for obtaining silicon from fluosilicic acid |
| 06/18/1986 | EP0184722A1 Rare earth alloy powders and process of producing same |
| 06/17/1986 | US4595412 Heating ammonium molybdate salt in reducing atmosphere to convert salt to molybdenum dioxide, heating to obtain metal |
| 06/11/1986 | EP0184405A2 Processes and apparatus for the smelting reduction of ores |
| 06/11/1986 | EP0043373B1 Process and device for continuous reduction and melting of metal oxides and/or prereduced metal materials |
| 06/10/1986 | US4593886 Method for charging liquid slag to a closed smelting furnace |
| 06/03/1986 | CA1205291A1 Recovery of titanium values |
| 05/20/1986 | CA1204598A1 Procedure for producing lead bullion from sulphide concentrate |
| 05/13/1986 | US4588436 Method of recovering metals from liquid slag |
| 05/10/1986 | CN85108811A Processes and apparatus for the smelting reduction of ores |
| 05/06/1986 | US4586443 Method and apparatus for in-flight combustion of carbonaceous fuels |
| 05/06/1986 | CA1203988A1 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal |
| 05/06/1986 | CA1203987A1 Metal recovery process |
| 04/22/1986 | US4584018 Method for production of refractory metal from a chloride thereof |
| 04/22/1986 | CA1203385A1 System for coal injection in iron oxide reducing kilns |
| 04/15/1986 | US4582532 Thermal reduction process for production of calcium using aluminum as a reductant |
| 04/09/1986 | EP0177471A1 A method for recovering the valuable metal content of contaminated copper raw material |
| 04/09/1986 | EP0177090A2 Device for the production of inflammable solid/gas suspensions |
| 04/08/1986 | US4581065 Process for the metallo-thermic reduction of beryllium oxide, beryllium minerals, as well as mixtures of beryllium containing metal oxides |
| 03/25/1986 | US4578254 Process for the refining of sulfidic concentrates which contain arsenic, antimony and bismuth |
| 03/25/1986 | US4578242 Metallothermic reduction of rare earth oxides |
| 03/25/1986 | CA1202185A1 Method and apparatus for converting matte, particularly high-grade matte |
| 03/25/1986 | CA1202184A1 Dead roast-oxide flash reduction process for copper concentrates |
| 03/25/1986 | CA1202183A1 Apparatus and method for producing purified refractory metal from a chloride thereof |
| 03/25/1986 | CA1202182A1 Apparatus and method for production of refractory metal from a chloride thereof |
| 03/19/1986 | EP0174641A2 A process for recovering valuable metals from an iron dust containing a higher content of zinc |
| 03/12/1986 | EP0174291A1 Process and installation for melting metals for non-ferrous oxidic and/or finely ground sulfidic ores or concentrates |
| 02/25/1986 | US4572736 Stoichiometric conversion of magnesia with carbon at high temperat |
| 02/18/1986 | US4571261 Method for recovering lead from waste lead products |
| 02/18/1986 | CA1200702A1 Method of recovering metals from liquid slag |
| 02/10/1986 | CN85103877A Lead-smelting method without pollution problem |
| 02/05/1986 | EP0170566A1 Method of heating the blast gas of a blast furnace with a plasma generator |
| 02/05/1986 | EP0170373A1 Metallothermic reduction of rare earth oxides |
| 02/05/1986 | EP0170372A1 Metallothermic reduction of rare earth oxides with calcium metal |
| 02/04/1986 | US4568065 Means for separating solid and molten particles from the exhaust gases of metallurgical furnaces and way to recover lead from such gases |
| 01/28/1986 | US4566903 Method for the pyrometallurgical treatment of fine grained solids to produce molten products |
| 01/21/1986 | US4565354 Apparatus for producing purified refractory metal from a chloride thereof |
| 01/14/1986 | US4564507 Reductive decontamination of magnesium fluoride |
| 01/07/1986 | CA1198899A1 Method of, and arrangement for, reducing oxide- containing fine-particle ores |
| 01/02/1986 | EP0166482A2 Improved process for recovering metals from the corresponding metal halides |
| 01/02/1986 | EP0166481A2 Process for obtaining silicon or transition metals from their halides |
| 12/31/1985 | US4561883 Method of producing metals or metal alloys and an arrangement therefor |
| 12/31/1985 | CA1198593A1 Method and apparatus for forming a directional and controlled suspension spray of a pulverous material and a reaction gas |
| 12/18/1985 | EP0164878A2 Method of operating metallurgical furnace |
| 12/10/1985 | US4557760 Heat treating catalyst with an ethyleneglycoldialkyl ether |
| 12/03/1985 | US4556420 Process for combination metal reduction and distillation |
| 10/16/1985 | EP0157917A2 Reduction of metal compounds |
| 10/01/1985 | US4544141 Process and apparatus for continuous converting of copper and non-ferrous mattes |
| 09/04/1985 | EP0153353A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials |
| 08/20/1985 | US4536213 Reforming of higher hydrocarbons for metal oxide reduction |
| 08/13/1985 | US4534792 Magnesium reduction of uranium oxide |
| 08/06/1985 | US4533387 Chemical process for producing alkali and alkaline earth metals |
| 08/06/1985 | US4533385 Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys |
| 07/23/1985 | CA1190751A1 Process and apparatus for continuous converting of copper and non-ferrous mattes |
| 07/16/1985 | CA1190401A1 Process for treating sulphated lead compounds for recovering metallic lead and a high-purity sulphate and an installation therefor |
| 07/09/1985 | US4527778 Apparatus for production of refractory metal from a chloride thereof |