| Patents for C22B 5 - General processes of reducing to metals (5,378) |
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| 07/03/1985 | EP0146986A2 Process for producing magnesium |
| 06/25/1985 | US4525206 With calcium and aqueous acid |
| 06/25/1985 | CA1189291A1 Method of recovering hydrogen-reduced metals, ions and the like at porous catalytic barriers and apparatus therefor |
| 06/19/1985 | EP0144868A2 Process for manufacturing fine metallic chromium powder with a low oxygen content |
| 06/04/1985 | US4521385 From ores by reduction and carburization, magnetic separation of carburized iron, chlorination of titanium carbide |
| 06/04/1985 | US4521245 Flash smelting with basic silicate fluxes |
| 06/04/1985 | CA1188108A1 Method for recovering the metal content of complex sulphidic metal raw materials |
| 06/04/1985 | CA1188104A1 Method of increasing the conversion in the field of thermometallurgical processes |
| 05/28/1985 | US4519837 Low temperature liquid metal reduction |
| 05/28/1985 | US4519836 Method of processing lead sulphide or lead-zinc sulphide ores, or sulphide concentrates, or mixtures thereof |
| 05/28/1985 | US4519835 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 05/21/1985 | US4518425 Silicothermic route from magnesium and calcium oxides with with silicon, heated inertg gas |
| 05/21/1985 | US4518417 Method of, and arrangement for, reducing oxide-containing fine-particle ores |
| 05/07/1985 | US4515630 Process of continuously treating an alloy melt |
| 04/23/1985 | US4512557 Apparatus for preparing high-melting-point high-toughness metals |
| 04/16/1985 | US4511399 Control method for large scale batch reduction of zirconium tetrachloride |
| 04/09/1985 | CA1185097A1 Process for preparing metals from their fluorine- containing compounds |
| 04/09/1985 | CA1185095A1 Process for autogenous oxygen smelting of sulphide materials containing base metals |
| 04/02/1985 | US4508322 Apparatus for preparing high melting point high toughness metals |
| 03/27/1985 | EP0135050A2 Process of continuously treating an alloy melt |
| 03/20/1985 | EP0134780A2 Process for preparing metals or alloys and apparatus therefor |
| 03/20/1985 | EP0134643A2 Preparing metallic zirconium, hafnium or titanium |
| 03/13/1985 | EP0134162A1 Alloys of neodymium and process for their production |
| 03/12/1985 | US4504310 Process for the production of high purity metals or alloys |
| 03/12/1985 | US4504309 Process and apparatus for continuous converting of copper and non-ferrous mattes |
| 03/12/1985 | CA1183691A1 Method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts |
| 02/28/1985 | WO1985000834A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials |
| 02/19/1985 | CA1182648A1 Method and apparatus for smelting fusible substances such as ore concentrates |
| 02/12/1985 | US4498927 Thermal reduction process for production of magnesium using aluminum skim as a reductant |
| 02/05/1985 | CA1181956A2 Method for decreasing metal losses in nonferrous smelting operations |
| 02/05/1985 | CA1181955A2 Method for decreasing metal losses in nonferrous smelting operations |
| 02/05/1985 | CA1181954A1 Method for decreasing metal losses in nonferrous smelting operations |
| 01/23/1985 | EP0132243A1 A method for recovering lead from waste lead products |
| 01/23/1985 | EP0132073A2 Process for producing metallic niobium or metallic tantalum |
| 01/22/1985 | CA1181244A1 Manufacture of lead from sulphidic lead raw material |
| 01/15/1985 | US4493732 Method for implementing pyro-metallurgical processes |
| 01/15/1985 | CA1180904A1 Process for the exploitation of low-grade oxidic and iron-bearing complex ores or concentrates |
| 01/15/1985 | CA1180902A1 Process for recovering metals |
| 01/02/1985 | EP0129555A1 Process and apparatus for obtaining silicon. |
| 01/02/1985 | CA1180194A Process of blowing high-oxygen gases into a molten bath which contains non-ferrous metals |
| 12/25/1984 | US4490170 Method for forming a directional and controlled suspension spray of a pulverous material and a reaction gas |
| 12/19/1984 | EP0128439A2 Process for the recovery of noble metals of group VIII of the periodic table of the elements from a contaminated solution resulting from the carbonylation of methyl acetate and/or dimethyl ether |
| 12/18/1984 | US4488905 Method of recovering volatile metals from material containing metal oxides |
| 12/18/1984 | US4488904 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal |
| 12/11/1984 | US4487628 Selective reduction of heavy metals |
| 12/11/1984 | CA1179143A1 Process for the exploitation of oxidic, vanadium- bearing titanium ores |
| 11/20/1984 | CA1178061A1 Process for the continuous blowing of fine-particle reducing agents, especially mineral oil, into a shaft furnace |
| 11/14/1984 | EP0124635A1 Method and apparatus for liquid metal collection from vapor using molten pool of collecting metal |
| 11/14/1984 | EP0124634A1 Method and apparatus for retrieving metallic vapor in the liquid phase using pool of molten retrieving metal |
| 11/06/1984 | CA1177257A1 Method for processing sulphidic zinc ores |
| 10/16/1984 | US4477323 Crystallization of ferrous sulfate hydrate from leaching liquor |
| 10/16/1984 | US4477277 Process for producing high-purity metals |
| 10/09/1984 | US4475947 Method for recovering heat from dust-bearing gases produced in smelting sulphide concentrates and means herefor |
| 10/09/1984 | CA1175661A1 Process for aluminothermic production of chromium and chromium alloys low in nitrogen |
| 10/09/1984 | CA1175659A1 Method and apparatus for selective reduction of metallic oxides |
| 10/02/1984 | CA1175238A1 Method and apparatus for the thermal production of metal carbides and metals |
| 09/25/1984 | CA1174855A1 Method of producing molten metal consisting mainly of manganese and iron |
| 09/11/1984 | US4471004 Method of forming refractory metal conductors of low resistivity |
| 09/11/1984 | US4470845 Oxidation, multistage, desulfurization |
| 09/11/1984 | US4470581 Apparatus for selective reduction of metallic oxides |
| 09/04/1984 | US4469508 Chemical reactors |
| 09/04/1984 | CA1173784A1 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 08/21/1984 | US4466824 Transferred-arc plasma reactor for chemical and metallurgical applications |
| 08/15/1984 | EP0115756A1 A method and arrangement for producing metals, in particular molten pig iron, steel pre-material or ferroalloys |
| 08/14/1984 | US4465512 Smelting lead sulfide |
| 07/31/1984 | US4462845 Oxygen-free dispersion-strengthened copper and process for making same |
| 07/31/1984 | US4462793 Rotary kiln and method of using such a kiln |
| 07/10/1984 | CA1170431A1 Method and apparatus for forming a directioned suspension spray of a pulverous material and a reaction gas |
| 07/05/1984 | WO1984002515A1 Process and apparatus for obtaining silicon from fluosilicic acid |
| 07/03/1984 | US4457779 Ferric oxide |
| 06/19/1984 | CA1169232A1 Retort pipe seal |
| 06/12/1984 | US4454013 Method of separating iron and its alloy metals from fine-grained crude oxidic products |
| 05/29/1984 | US4451291 Overlappi-ng short blowing periods for removal of impurities |
| 05/16/1984 | EP0108232A1 Process for the reduction of molten metal ores |
| 05/08/1984 | US4447045 Apparatus for preparing high-melting-point high-toughness metals |
| 04/10/1984 | US4442082 High purity; reaction of silicon tetrafluoride with sodium |
| 04/10/1984 | US4442072 Selective recovery of base metals and precious metals from ores |
| 04/10/1984 | US4441923 Integrated process using non-stoichiometric sulfides or oxides of potassium for making less active metals and hydrocarbons |
| 04/10/1984 | US4441920 Method for the thermal production of metals |
| 04/10/1984 | CA1165111A1 Vacuum separator |
| 04/03/1984 | US4440384 Retort pipe seal |
| 03/27/1984 | US4439232 Samarium metal production |
| 03/21/1984 | EP0103312A2 Process for producing high-purity metals |
| 03/20/1984 | US4437888 Preparation of titanium/aluminum alloys |
| 03/20/1984 | CA1163800A1 Metal distillation apparatus |
| 03/14/1984 | EP0102892A1 Process for manufacturing high purity metals and alloys |
| 03/13/1984 | US4436529 Without necessity for separate slag former |
| 03/13/1984 | CA1163468A1 Manufacture of titanium and aluminium alloys |
| 03/06/1984 | US4435211 Injection of cooling fluids to control crust formation |
| 02/28/1984 | US4434001 Method for manufacturing metal from fine-grain metal-oxide material |
| 02/16/1984 | WO1984000562A1 Method of recovering metals from metal containing materials |
| 02/14/1984 | CA1162055A1 Method of carbothermically producing aluminum |
| 02/14/1984 | CA1162053A1 Process and apparatus for continuously reducing and melting of metal oxides and/or pre-reduced metallic materials |
| 01/31/1984 | US4428772 Efficiency and economy |
| 01/31/1984 | US4428771 Selective absorption in solid or liquid |
| 12/28/1983 | EP0097135A1 Apparatus and method for producing purified refractory metal from a chloride thereof |
| 12/27/1983 | US4423011 Selective recovery of base metals and precious metals from ores |
| 12/27/1983 | US4422911 Supplying hydrogen to barrier surface and transuerse fluid flow through barrier |
| 12/20/1983 | US4421552 Smelting calcine |
| 12/06/1983 | US4419127 Metallothermal process for reducing metal oxides |