| Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661) |
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| 11/21/2002 | US20020170390 Sodium purification method |
| 11/21/2002 | DE10128335C1 Process for cleaning and re-melting contaminated light metals in fine form or light metal alloys comprises heating the metals in a crucible while mechanically stirring, evacuating the crucible, increasing the temperature etc. |
| 11/20/2002 | EP1258536A1 Purification process for Sodium |
| 11/20/2002 | CN1380430A Preparation method of metal lithium |
| 11/14/2002 | US20020168309 Method for recovering catalytic metals |
| 11/14/2002 | US20020166413 Refining nonferrous metal and alloys with a gaseous mixture including compound selected from ClF3, ClF, COF2, F3COF, CF2(OF)2, SO2 F2, NF3, SO2ClF, SOF2, SOF4, NOF, F2 and SF4 |
| 11/13/2002 | EP1042842B1 Recycling of galvanic cells |
| 11/07/2002 | DE10127457A1 Working up waste metallic magnesium from casting involves treatment with alkaline medium, e.g. carbonate or aqueous caustic alkali |
| 10/30/2002 | CN1377425A Method for producing lithium and device therefor |
| 10/30/2002 | CN1376803A Recovery method for catalytic metal |
| 10/15/2002 | CA2175073C Ladle for filtering liquid metal on a filter medium with improved heating |
| 10/08/2002 | US6461502 Apparatus for recovering a specific ingredient in sea water |
| 10/03/2002 | WO2002034954A3 Recovery of purified volatile metal such as lithium from mixed metal vapours |
| 09/24/2002 | US6455019 Process for the extraction of copper from a sulphide copper ore or concentrate |
| 09/18/2002 | EP0909447B1 method for producing nickel or cobalt hexacyanoferrates |
| 09/12/2002 | CA2340567A1 Recovery of metals from metal silicates |
| 09/10/2002 | US6447669 Recycling of galvanic cells |
| 09/05/2002 | US20020121158 Impurities are eliminated by evaporation by stirring the molten metal in the molten liquid; recovered into a refined molten liquid recovery chamber placed under an atmospheric pressure outside of the evacuated chamber. |
| 09/03/2002 | US6444056 Refined magnesium material and method for producing the same |
| 08/14/2002 | EP1231002A1 Blanketing metals and alloys at elevated temperatures with gases having reduced global warming potential |
| 08/14/2002 | EP1229977A1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions |
| 08/14/2002 | CN1363701A Refining agent of Mg alloy and its preparing process |
| 08/13/2002 | CA2068856C Nitride approach calcium refining process |
| 08/06/2002 | US6428759 Production of feed liquors for sodium carbonate crystallization processes |
| 08/01/2002 | WO2002012575A3 Method for protecting the surface of a magnesium melt by means of carbon dioxide |
| 07/24/2002 | EP1225236A1 Process and apparatus for continuous vacuum purification of molten metal |
| 07/24/2002 | EP1224972A1 A method for recovering catalytic metals from a colloidal solution |
| 06/27/2002 | US20020079214 Apparatus and system for refining sodium |
| 06/25/2002 | US6409980 Process and apparatus for treating foundry sludge to recover magnesium |
| 06/25/2002 | US6409908 By electrolysis using alkali metal amalgam as anode, a solid electrolyte which conducts alkali metal ions and a liquid alkali metal as cathode, the alkali metal amalgam as anode is kept in motion by stirring and/or by means of a pump |
| 06/25/2002 | US6409798 Process for recovering metal material from waste material |
| 06/20/2002 | WO2002048036A1 Extraction of silica and magnesium compounds from olivine |
| 06/19/2002 | EP1215293A1 Lined steel crucible for the iron-free melting of magnesium and magnesium alloys |
| 06/19/2002 | CN2495967Y Reduction furnace for magnesium metallurgy |
| 06/13/2002 | US20020070171 Adding selective capturing agent comprising cyclic compound capable of forming complex with metal to an aqueous solution; bringing solution into contact with an ion exchange solid phase so as to transport desired metals to solid phase |
| 06/11/2002 | US6401635 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 06/05/2002 | CN1352583A Cover gas |
| 06/04/2002 | US6398844 Blanketing molten nonferrous metals and alloys with gases having reduced global warming potential |
| 05/30/2002 | US20020062940 Ingot supplying apparatus and method |
| 05/15/2002 | EP1204998A1 High efficiency process for treating mixed metal waste |
| 05/15/2002 | EP1204499A1 Cover gases |
| 05/09/2002 | US20020054842 Process for the recovery of soda ash |
| 05/09/2002 | US20020053260 Process for extraction of metals |
| 05/02/2002 | WO2002034954A2 Recovery of purified volatile metal such as lithium from mixed metal vapours |
| 05/02/2002 | EP1200391A1 Calixarene acetamido derivatives, preparation and use thereof for extracting strontium |
| 05/02/2002 | EP1019211B1 Method of fluxless melting of magnesium |
| 05/02/2002 | CA2426542A1 Recovery of purified volatile metal such as lithium from mixed metal vapours |
| 04/25/2002 | WO2002033137A1 Rotary gas dispersion device for treating a liquid metal bath |
| 04/25/2002 | WO2001080251A3 A method for isolating and purifying ?90y from 90¿strontium in multi-curie quantities |
| 04/25/2002 | CA2426268A1 Rotary gas dispersion device for treating a liquid metal bath |
| 04/24/2002 | CN1345982A Internal heating method magnesium-smelting productive technology and equipment |
| 04/16/2002 | US6372017 Method for producing magnesium |
| 04/10/2002 | CN1343622A Getting alkali from salt solution and calcining sesquicarbonate of soda |
| 04/10/2002 | CN1082383C Process for separating cesium from industrial streams contg. other alkali metals using poly(hydroxyarylene) polymeric resins |
| 04/09/2002 | CA2204112C Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 04/03/2002 | EP0789608B1 Processes for separating cesium from industrial streams containing other alkali metals using poly(hydroxyarylene) polymeric resins |
| 03/21/2002 | WO2002023651A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials |
| 03/21/2002 | CA2730336A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials |
| 03/13/2002 | CA2319285A1 A method for neutralizing and recycling spent lithium metal polymer rechargeable batteries |
| 02/28/2002 | US20020023870 Apparatus for recovering a specific ingredient in sea water |
| 02/28/2002 | US20020023867 making a cantilever using lithographic techniques and forming microscopic electrodes at a distal end of the cantilever by sputtering and gas-assisted etching processing using a focused charge particle beam |
| 02/26/2002 | US6350328 Thixotropic alloy |
| 02/14/2002 | WO2002012575A2 Method for protecting the surface of a magnesium melt by means of carbon dioxide |
| 02/14/2002 | DE10038543A1 Verfahren zum Schützen der Oberfläche einer Magnesiumschmelze A method for protecting the surface of a molten magnesium |
| 02/13/2002 | CN2476562Y Reduction reaction pot for preparing metal lithium |
| 02/07/2002 | WO2001083836A3 Protection of molten magnesium with a cover gas using fluorocarbons |
| 02/07/2002 | US20020015889 Process for producing an electrode material for a rechargeable lithium battery, an electrode structural body for a rechargeable lithium battery, process for producing said electrode structural body, a rechargeable lithium battery in which said electrode structural body is used, and a process for producing said rechargeable lithium battery |
| 01/30/2002 | CN1333576A Electrode material for rechargeable lithium cell, electrod structure body, cell, and production method thereof |
| 01/24/2002 | US20020009409 Process for the recovery of soda ash |
| 01/16/2002 | CN1331350A Reducing ceramic pot for smelting magnesium and its preparing process |
| 01/10/2002 | US20020004023 Copper sulfide ore is pressure oxidized in presence of halide and sulfate in acid solution producing copper sulfate which is then solvent extracted |
| 01/09/2002 | EP1012351B1 Chloride assisted hydrometallurgical extraction of copper from sulphide ore materials |
| 01/08/2002 | US6337058 Process for producing calcium sulfide |
| 01/03/2002 | WO2002000953A1 Metal injection molding |
| 01/02/2002 | EP1167558A1 Apparatus and system for electrolytically refining molten sodium |
| 12/27/2001 | US20010054459 Metal injection molding |
| 12/12/2001 | CN2464737Y Reduction method vectical magnesium smelting furnace |
| 12/05/2001 | CN1325460A Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 12/04/2001 | CA2196552C Method for removing alkaline sulfate scale |
| 11/27/2001 | US6322702 Dissolving fluorinated alcohols in an solvent, reacting with a aqueous alkaline solution forming an hydroxide-depleted aqueous phase and a fluorinated alkoxide-containing recovery phase and separating the two |
| 11/20/2001 | US6319482 Treatment of fly ASH/APC residues including lead salt recovery |
| 11/08/2001 | WO2001083836A2 Protection of molten magnesium with a cover gas using fluorocarbons |
| 10/31/2001 | EP0963452B1 Method for production of magnesium |
| 10/31/2001 | CN2457173Y Vacuum smelting furnace for highly pure metal magnesium |
| 10/30/2001 | US6309614 Strontium nitrate |
| 10/25/2001 | WO2001080251A2 A method for isolating and purifying ?90y from 90¿strontium in multi-curie quantities |
| 10/24/2001 | CN1319145A Method for production of high-purity concentrated magnesium chloride solution |
| 10/18/2001 | WO2001077396A1 Process and apparatus for continuous vacuum purification of molten metal |
| 10/18/2001 | WO2001077021A1 Production of strontium carbonate from celestite |
| 10/18/2001 | CA2372385A1 Process and apparatus for continuous vacuum purification of molten metal |
| 10/17/2001 | EP1144700A1 Improved method for filtering a metal liquid on a bed of refractory particulate material |
| 10/11/2001 | US20010027702 Mixture of compounds including, e.g., carbonyl fluoride, sulfuryl chloride fluoride, trifluoroacetyl fluoride, sulfur tetrafluoride, bisfluoroxydifluoromethane, nitrosyl fluoride, thionyl fluoride, sulfuryl fluoride, etc. |
| 09/20/2001 | WO2001068947A1 Electrolyte and diaphragm for fused salt electrolysis |
| 09/20/2001 | CA2398069A1 Electrolyte and diaphragm for used salt electrolysis |
| 09/19/2001 | CN2448849Y Reduction tank for magnesium smelting |
| 09/05/2001 | CN1311342A Vertical magnesium refining furnace by reducing method |
| 08/29/2001 | EP1044285B1 Operation method of furnace equipment for magnesium alloys |
| 08/22/2001 | EP1124998A1 Method for the production of a high-purity concentrated magnesium chloride solution by acid leaching and neutralization |
| 08/16/2001 | DE10063020A1 Process for the iron-free melting and/or storing of liquid magnesium and magnesium alloys comprises adhering sintered alumina plates to the inner wall of indirectly heated steel crucibles |
| 08/15/2001 | CN2443004Y Internal heating magnesium smelting furnace |