| Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661) |
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| 02/22/1989 | EP0304231A2 Method of separating metals from catalyst material |
| 02/15/1989 | CN1003311B Method for preparation ofultra-pure frequency standard caesium |
| 02/14/1989 | US4804168 Apparatus for treating molten metal |
| 02/07/1989 | CA1249885A1 Membrane processes for metal recovery and pollution control in metal process industries |
| 01/26/1989 | WO1989000613A1 Magnesium production |
| 01/25/1989 | CN1030559A Method for production of magnesium chloride |
| 01/24/1989 | US4800003 Production of magnesium metal from magnesium containing materials |
| 01/17/1989 | US4798717 Production of elements and compounds by deserpentinization of ultramafic rock |
| 11/02/1988 | EP0289294A1 Aluminium alloy treatment |
| 11/01/1988 | US4781756 Removal of lithium nitride from lithium metal |
| 10/04/1988 | US4775480 Membrane processes for treatment of and recovery of components from kraft black liquors |
| 09/27/1988 | US4773930 Adding a boron compound to magnesium melts |
| 09/06/1988 | US4769069 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent |
| 09/06/1988 | US4769068 Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with sulfurous stripping agent |
| 09/06/1988 | US4769067 Electrolytically reducing impurities; forming alloy; n2 stripping; increased yield |
| 08/30/1988 | US4767453 Agitation under inert gas |
| 08/23/1988 | US4765832 Process for carbothermic production of calcium aluminide using slag containing calcium aluminate |
| 08/23/1988 | US4765831 Process for production of alkaline earth metal by carbothermic production of alkaline earth metal aluminide and stripping of alkaline earth metal from alkaline earth metal aluminide with nitrogen stripping agent |
| 08/09/1988 | CA1240156A2 Process for preparing finely divided highly reactive magnesium and use thereof |
| 08/09/1988 | CA1240155A1 Thermal reduction process for production of calcium using aluminum as a reductant |
| 07/19/1988 | US4758316 Melting, purifying |
| 06/30/1988 | DE3743096A1 Chlorierung metallurgischer zusammensetzungen Chlorination metallurgical compositions |
| 06/29/1988 | CN87108130A Chlorination of metallurgical composites |
| 06/08/1988 | EP0270135A1 Method of removing lithium from aluminum-lithium alloys |
| 06/01/1988 | CN87107705A Method for preparation of ultra-pure frequency standard caesium |
| 05/10/1988 | US4743347 Production of pure MgCl2 solution suitable for the production of magnesium metal from an impure magnesite ore or concentrate |
| 04/19/1988 | US4738716 Process for purifying lithium |
| 04/12/1988 | US4737281 Cold trap for purifying liquid sodium containing impurities |
| 04/05/1988 | US4735654 Process for reduction of metal compounds by reaction with alkaline earth metal aluminide |
| 03/16/1988 | EP0260193A1 Cold trap for purifying liquid metals containing dissolved impurities |
| 03/15/1988 | US4731203 Process for using finely divided highly reactive magnesium |
| 02/16/1988 | US4725311 Reduction by magnesium in inert organic solvents |
| 02/16/1988 | CA1232764A1 Process for preparing finely divided highly reactive magnesium and use thereof |
| 02/09/1988 | US4724054 Process for production of aluminum and alkaline earth metal by carbothermic production of alkaline earth metal aluminide and reduction of aluminum and alkaline earth metal in electrolytic reduction cell |
| 02/09/1988 | US4723962 Process for recovering lithium from salt brines |
| 02/02/1988 | CA1232140A1 Process for producing magnesium |
| 01/28/1988 | EP0236480A4 Production of hydrogen by deserpentinization of ultramafic rock. |
| 01/26/1988 | US4721525 Extraction process for removing metallic impurities from alkalide metals |
| 01/07/1988 | EP0250666A1 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes |
| 12/15/1987 | US4713214 Device for purifying liquid metal coolant for a fast neutron nuclear reactor |
| 11/19/1987 | EP0245601A2 Apparatus for treating molten metal |
| 11/11/1987 | EP0244894A1 Process for the production of akali metals |
| 10/13/1987 | US4699653 Thermal production of magnesium |
| 09/22/1987 | US4695320 Magnesium refining process |
| 09/22/1987 | US4695319 Metal distillation method utilizing double vaporization |
| 09/22/1987 | CA1227042A1 Magnesium production |
| 09/16/1987 | EP0236480A1 Production of hydrogen by deserpentinization of ultramafic rock. |
| 09/15/1987 | US4693088 Cold trap for eliminating impurities from a polluted liquid metal |
| 07/28/1987 | US4683056 Purification of liquid metals, such as sodium |
| 07/01/1987 | EP0227437A2 Separation of metallic lithium |
| 06/10/1987 | CN86106147A Production of elements and compounds by deserpentinization of ultramafic rock |
| 05/26/1987 | US4668397 Cyclodimerization, tetrapeptides |
| 05/12/1987 | US4665049 Ion exchanger |
| 05/05/1987 | USH262 Method of and apparatus for removing silicon from a high temperature sodium coolant |
| 04/21/1987 | US4659373 Process for preparing finely divided highly reactive magnesium and use thereof |
| 04/14/1987 | CA1220381A1 Feeder for pulverized coal |
| 04/14/1987 | CA1220349A1 Thermal reduction process for production of magnesium using aluminum skim as a reductant |
| 04/14/1987 | CA1220348A1 Thermal reduction process for production of magnesium |
| 04/07/1987 | US4655928 Recycling |
| 04/07/1987 | US4655828 From mixture with lithium salts by solvent extraction |
| 04/07/1987 | CA1220091A1 Furnace by combustion of pulverized coal |
| 04/01/1987 | EP0216655A1 Cold trap for eliminating the impurities from a polluted liquid metal |
| 03/26/1987 | WO1987001731A1 Production of elements and compounds by deserpentinization of ultramafic rock |
| 03/24/1987 | US4652434 Chlorination of ores containing alkali or alkaline earth values |
| 03/24/1987 | US4652054 Solution mining of trona or nahcolite ore with electrodialytically-produced aqueous sodium hydroxide |
| 03/24/1987 | CA1219451A1 Production of magnesium metal |
| 03/03/1987 | US4647440 Heteropolyacid adduct of crown ether |
| 02/12/1987 | WO1987000826A1 Chlorination of ores containing alkali or alkaline earth values |
| 02/10/1987 | CA1217637A Process for recovering cesium from cesium ore |
| 01/20/1987 | CA1216756A1 Chemical process for producing alkali and alkaline earth metals |
| 12/03/1986 | CN86102633A Process and apparatus for purifying lithium |
| 11/20/1986 | EP0202174A1 Process and apparatus for purifying lithium |
| 11/06/1986 | EP0159349A4 Processes for treating waste streams. |
| 10/14/1986 | US4617200 Process for making salt coated magnesium granules |
| 09/30/1986 | US4614543 Mixed lixiviant for separate recovery of zinc and lead from iron-containing waste materials |
| 09/17/1986 | CN85101989A Technology for preparation of li2co3 by treating lithium-loaded mica with k2so4 |
| 07/16/1986 | EP0187194A2 Metal distillation method and apparatus utilizing double vaporization |
| 06/11/1986 | EP0184507A1 Process and apparatus for the pretreatment of liquid sodium containing dissolved impurities |
| 05/13/1986 | US4588566 Comminution, slurrying, alkali hydroxides or carbonates, sulfuric acid lithium carbonate |
| 05/06/1986 | US4587083 Method for removing cesium from a nuclear reactor coolant |
| 04/15/1986 | US4582532 Thermal reduction process for production of calcium using aluminum as a reductant |
| 02/25/1986 | US4572736 Stoichiometric conversion of magnesia with carbon at high temperat |
| 02/05/1986 | EP0170372A1 Metallothermic reduction of rare earth oxides with calcium metal |
| 12/24/1985 | CA1198289A1 Removal of fine particles from molten metal |
| 10/30/1985 | EP0159349A1 Processes for treating waste streams |
| 10/24/1985 | WO1985004675A1 Improvement to a device for the treatment, during the passage, of a liquid alloy or metal stream based on aluminium or magnesium |
| 10/22/1985 | US4548794 Method of recovering nickel from laterite ores |
| 10/08/1985 | CA1194700A1 Process for manufacture of metallic magnesium |
| 09/24/1985 | US4543122 Magnesium production |
| 09/17/1985 | CA1193448A1 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
| 09/10/1985 | CA1193096A1 Device for treating a flowing molten aluminum or magnesium based metal or alloy |
| 08/13/1985 | CA1191699A1 Process for removal of metalic impurities from magnesium by injection of a halogenated boron derivative |
| 08/07/1985 | EP0150647A2 Cold trap for liquid sodium containing impurities |
| 08/06/1985 | US4533387 Chemical process for producing alkali and alkaline earth metals |
| 07/10/1985 | EP0147581A1 Process for producing finely divided, highly reactive magnesium and the use of the same |
| 07/09/1985 | US4528032 Lithium purification technique |
| 07/03/1985 | EP0146986A2 Process for producing magnesium |
| 05/21/1985 | US4518425 Silicothermic route from magnesium and calcium oxides with with silicon, heated inertg gas |
| 04/30/1985 | CA1186156A1 Segregation process for the purification of metals |
| 04/25/1985 | WO1985001670A1 Processes for treating waste streams |