| Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661) |
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| 11/06/1997 | WO1997041271A1 Crystallization of sodium carbonates using alcohols |
| 11/05/1997 | EP0804624A1 Chloride assisted hydrometallurgical copper extraction |
| 10/22/1997 | CN2265379Y Device for obtaining mangesium by induction heating reduction |
| 10/15/1997 | CN1162022A Method for vacuum smelting lithium |
| 10/09/1997 | WO1997036823A1 Method for recovering sodium from alkaline industrial waste |
| 10/08/1997 | EP0799155A1 Manufacture of carbonyl fluoride |
| 09/12/1997 | WO1997032816A1 Adsorbent for cesium ion and method of making and using |
| 09/04/1997 | WO1997031860A1 Separation of calcium from metal compounds |
| 08/20/1997 | EP0789608A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 08/19/1997 | US5658367 Heating dolomite and ferrosilicon in retort under vacuum to form magnesium vapor, condensing to form dendritic crown of magnesium, crushing, milling |
| 08/12/1997 | US5656702 Water pollution control |
| 07/29/1997 | US5651465 Beneficiation of saline minerals |
| 07/23/1997 | EP0725840B1 Ladle for filtering liquid metal on a filter medium with improved heating |
| 07/17/1997 | WO1997025448A1 Method for beneficiation of trona |
| 07/15/1997 | US5648530 Fluorine compound, carbon monoxide, plasma activation |
| 07/09/1997 | CN1153827A Metal carbon vacuum hot reduction process for producing metal magnesium |
| 07/08/1997 | US5645708 Chloride assisted hydrometallurgical copper extraction |
| 07/01/1997 | US5643528 Controlled magnesium melt process, system and components therefor |
| 06/18/1997 | CN1152032A Fast vacuum-producing method in magnesium smelting |
| 06/03/1997 | US5634985 Method for the control of surface properties of magnesium particles |
| 05/14/1997 | EP0772696A1 Method for removing alkaline sulfate scale |
| 05/13/1997 | US5628973 Lithium cell treating method and lithium cell treating apparatus |
| 05/02/1997 | EP0668845B1 Process for producing a high-density caesium and rubidium salt solution |
| 05/01/1997 | WO1997015693A1 Method of concentrating carbonate-containing phosphate raw material |
| 04/16/1997 | EP0649560B1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag |
| 04/09/1997 | EP0729438B1 Method of preparing a caesium and rubidium salt solution |
| 04/09/1997 | CN2251562Y Obtaining magnesium reduction tank by pipe heating method |
| 04/02/1997 | CN1146494A Pipe type thermal method magnesium-smelting production technology and equipment |
| 03/25/1997 | US5613999 Refining |
| 03/19/1997 | EP0701630A4 Process for removing, separating, and concentrating metals |
| 03/05/1997 | CN2248721Y Bush-type silicon-heat reduction method steaming tank for extraction of magnesium |
| 03/04/1997 | US5607591 From effluents of irradiated fuel reprocessing plants |
| 02/06/1997 | WO1997004139A1 METHOD FOR RECOVERING NICKEL FROM HIGH MAGNESIUM-CONTAINING Ni-Fe-Mg LATERITIC ORE |
| 01/28/1997 | US5597526 Lithium cell treating apparatus |
| 01/22/1997 | EP0670840B1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 01/22/1997 | CN1140765A Treating method for waste slag of smelting magnesium |
| 01/15/1997 | CN2245065Y Jet vacuum equipment for extracting magnesium |
| 01/14/1997 | US5593650 Method for producing a high-density saline cesium and rubidium solution |
| 01/14/1997 | CA1338837C Production of a magnesium product from a magnesite ore |
| 01/01/1997 | CN1139031A Deep magnesium powder-processing technology |
| 12/10/1996 | US5582630 Ultra high purity magnesium vacuum distillation purification method |
| 11/26/1996 | CA1338732C Method for production of magnesium chloride to be used for production of magnesium metal by leaching magnesite in hydrochloric acid |
| 11/20/1996 | CN1136306A Method of preparing a caesium and ribidium salt solution |
| 11/12/1996 | US5574960 Method of separating exothermic elements from high-level radioactive liquid waste |
| 11/05/1996 | US5571308 Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic ore |
| 10/23/1996 | EP0738334A1 Magnesium melting furnace and process for melting magnesium |
| 10/23/1996 | CN1133966A Renewed structure of material of reduction tank for magnesium smelting and mfg. technique thereof |
| 10/01/1996 | US5560380 Cutting with plasma jet to oxidize sodium; hermetic sealing;spraying with water |
| 09/18/1996 | CN1131201A Electric furnace hot charge siliconthermic reduction vacuum magnesium-smelting new process |
| 09/04/1996 | EP0729438A1 Method of preparing a caesium and rubidium salt solution |
| 08/29/1996 | WO1996026297A1 Ultra high purity magnesium and vacuum distillation purification method and apparatus |
| 08/28/1996 | EP0728222A1 Compact molten metal processing ladle |
| 08/15/1996 | WO1996014439A3 Magnesium melting furnace and process for melting magnesium |
| 08/14/1996 | EP0725840A1 Ladle for filtering liquid metal on a filter medium with improved heating |
| 07/30/1996 | US5540843 Method for preferential retention of cesium cations and their separation from other inorganic cations |
| 07/30/1996 | US5540754 Method for condensation of metal vapors to the liquid state |
| 07/16/1996 | US5536295 Robotic device for molten metal processing |
| 07/10/1996 | CN1126499A Process for removing, separating, and concentrating metals |
| 06/27/1996 | WO1996019593A1 Chloride assisted hydrometallurgical copper extraction |
| 06/27/1996 | WO1996019409A1 Manufacture of carbonyl fluoride |
| 06/12/1996 | CN1124503A Process for producing sodium salts from brines of sodium ores |
| 05/17/1996 | WO1996014439A2 Magnesium melting furnace and process for melting magnesium |
| 05/17/1996 | WO1996014125A1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 05/17/1996 | CA2180351A1 Magnesium melting furnace and process for melting magnesium |
| 05/09/1996 | DE4439214A1 Magnesiumschmelzofen und Verfahren zum Schmelzen von Magnesium A magnesium melting furnace and method for melting magnesium |
| 03/20/1996 | EP0702091A1 Method for the control of surface properties of magnesium particles |
| 03/20/1996 | EP0701630A1 Solid bonded oxygen-donor macrocyclic ligands for removing and concentrating metals |
| 03/19/1996 | US5500193 Classifying particle sizes; slurrying, agitation, separation |
| 03/19/1996 | US5500100 Followed by electrodeposition |
| 03/17/1996 | CA2158226A1 Method for the control of surface properties of magnesium particles |
| 03/14/1996 | WO1996007763A1 Method for removing alkaline sulfate scale |
| 02/28/1996 | CN1117473A Chemical reacting tank for obtaining metal and salt |
| 02/27/1996 | US5494265 Ladle for processing molten metal with minimal space requirements and improved performance |
| 02/13/1996 | US5491037 Method for recovering lithium cell materials |
| 01/30/1996 | US5487880 Production of sodium-22 from proton irradiated aluminum |
| 01/24/1996 | EP0693563A1 Process for upgrading slags or skimmings from magnesium processing |
| 01/09/1996 | US5482687 Contacting with hydrated antimony pentoxide; dissolving in mineral acid |
| 12/20/1995 | CN2215496Y Horizontal internal electric heating magnesium reduction furnace |
| 12/19/1995 | US5476529 Process for the recovery of magnesium from magnesium alloys waste |
| 12/19/1995 | CA2018409C Extraction process from lithium of calcium and nitrogen |
| 11/30/1995 | WO1995032040A1 Process for the manufacture of sodium carbonate, sodium bicarbonate and/or sesquicarbonate |
| 11/28/1995 | US5470554 Benefication of saline minerals |
| 10/31/1995 | US5463099 Radioactive material |
| 10/17/1995 | US5458860 Dissolving |
| 09/13/1995 | EP0670840A1 Bis-crown calix 4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides. |
| 08/30/1995 | EP0668935A1 A method of producing metallic magnesium, magnesium oxide or a refractory material |
| 08/30/1995 | EP0668845A1 Process for producing a high-density caesium and rubidium salt solution. |
| 08/10/1995 | WO1995021274A1 Method of producing magnesium vapor at atmospheric pressure |
| 07/11/1995 | US5431788 Chloride assisted hydrometallurgical copper extraction |
| 05/26/1995 | WO1995013986A1 Method of preparing a caesium and rubidium salt solution |
| 05/18/1995 | WO1995013402A1 Compact molten metal processing ladle |
| 05/04/1995 | WO1995012000A1 Ladle for filtering liquid metal on a filter medium with improved heating |
| 04/26/1995 | EP0649560A1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag. |
| 04/19/1995 | EP0648920A1 Method and apparatus for processing hollow bodies filled with metallic sodium |
| 04/05/1995 | CN1101079A Process of preparing a caesium and rubidium salt solution having a high density |
| 03/22/1995 | CN1027979C Silica-heating method for extracting metal magnesium from boron mud |
| 02/28/1995 | US5393892 Processes for removing, separating and concentrating lead, thallium, alkali metals, alkaline earth metals from concentrated matrices using macrocyclic polyether cryptand ligands bonded to inorganic supports |
| 02/28/1995 | CA2104983A1 Apparatus and process for the metallothermic reduction of an oxide of volatile metals |
| 02/23/1995 | DE4339062C1 Process for preparing a caesium and rubidium salt solution |
| 02/01/1995 | CN1098143A Aluminothermy for smelting Mg using magnesite and dolomite as raw materials |