Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661) |
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04/03/1985 | EP0136117A2 Cold trap apparatus |
02/12/1985 | US4498927 Thermal reduction process for production of magnesium using aluminum skim as a reductant |
01/23/1985 | EP0131810A1 Process for recovering cesium from pollucite |
01/22/1985 | CA1181243A1 Method for leaching magnesium from magnesium hydroxide-containing compositions |
12/18/1984 | US4488964 Apparatus for removing a radioactive substance from a molten metal |
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 |
12/12/1984 | EP0128057A1 Process for purifying a mixture by forming two phases of distinct physical states and preferentially extracting the impurities |
12/11/1984 | CA1179150A1 Method and furnace for refining of magnesium |
11/20/1984 | US4483827 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
11/20/1984 | CA1178026A1 Treatment of chlorination residue |
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 |
10/23/1984 | US4478637 Thermal reduction process for production of magnesium |
06/26/1984 | US4456480 Controlled cooling, compaction, and remelting to form crystal layer between purified metal and impurities |
06/19/1984 | CA1169247A1 Apparatus for refining molten aluminum |
05/30/1984 | EP0109877A1 Purification device for a fast reactor's liquid metal coolant |
05/08/1984 | US4447406 Extraction with hydrochloric acid and precipitation with potassium permanganate |
04/17/1984 | US4443004 Device for the treatment of a stream of aluminum or magnesium-based liquid metal or alloy during its passage |
04/10/1984 | US4441923 Integrated process using non-stoichiometric sulfides or oxides of potassium for making less active metals and hydrocarbons |
03/20/1984 | US4437886 Process for manufacture of metallic magnesium |
02/28/1984 | US4434241 Rhodium, lithium, idoine values |
02/21/1984 | US4432208 Cold trap |
01/31/1984 | US4428912 From chlorination of aluminum in clay or bauxite |
11/29/1983 | US4417920 Process for eliminating metallic impurities from magnesium by injecting a halogenated derivative or boron |
10/18/1983 | US4410423 Separation of spent cathode carbon and alkaline ore |
10/12/1983 | EP0091386A1 Process for purifying metals by segregation |
08/30/1983 | US4401635 Mining sodium carbonate with sodium hydroxide solution |
06/28/1983 | US4390364 Removal of fine particles from molten metal |
06/22/1983 | EP0082063A1 Device for purifying the cooling liquid metal of a fast breeder reactor's core |
06/21/1983 | US4389310 Cold trap |
06/07/1983 | CA1147558A1 Method of recovering volatile metals from material containing metal oxides |
05/31/1983 | US4385931 Method and furnace for refining of magnesium |
04/20/1983 | EP0077282A1 Installation for the continuous treatment of liquid metals or liquid metal alloys in the form of magnesium or aluminium |
04/12/1983 | CA1144341A1 Process for the separation of ferrous, aluminous and manganous contaminations from hydrochloric magnesium chloride solutions |
04/06/1983 | EP0075836A2 Process for recovering magnesium |
03/01/1983 | US4375454 Electrostatic enrichment of trona and nahcolite ores |
03/01/1983 | CA1141969A1 Sodium purification apparatus and method |
02/17/1983 | WO1983000508A1 Treating molten aluminum |
02/15/1983 | CA1141171A1 Magnesium production |
12/21/1982 | CA1137761A1 Method for adding manganese to a molten magnesium bath |
12/07/1982 | CA1137249A2 Recovery of lithium from brines |
11/30/1982 | CA1136576A1 Electrolytic method and apparatus for producing magnesium from a salt solution containing magnesium sulphate |
11/24/1982 | EP0065225A1 Process for manufacture of metallic magnesium |
11/03/1982 | EP0063620A1 Process for producing magnesium |
08/31/1982 | US4347077 Process for producing magnesium alloys |
07/27/1982 | US4341744 Charging crushed trona ore to effect electrostatic separation of nonconducting impurities; roasting; beneficiation |
07/14/1982 | EP0055815A1 Method and furnace for refining of magnesium |
07/13/1982 | CA1127610A1 Recovery of metal granules from process sludge |
06/30/1982 | EP0054846A1 Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers and process for making same |
06/29/1982 | CA1126481A1 Recovery of lithium from brine |
06/15/1982 | US4335083 Method for leaching magnesium from magnesium hydroxide-containing composition |
06/08/1982 | US4333913 Alkali metal hydroxides, reacting peroxide with mercury polysulfide to precipitate mercury oxide |
04/20/1982 | US4325539 Device for treating a molten metal or alloy using liquid and solid flux |
01/19/1982 | US4311490 Multilayer |
01/12/1982 | CA1115966A1 Method of extracting magnesium from magnesium oxides |
01/12/1982 | CA1115965A1 Continuous extraction of magnesium from magnesium oxides |
12/29/1981 | CA1115065A1 Metallothermal process for the simultaneous production of magnesium and cement or calcium and cement |
12/22/1981 | US4307066 From clays or ores by chlorination |
11/24/1981 | US4302243 Process for producing tantalum concentrates |
11/24/1981 | CA1112880A1 Hydrometallurgical process for the treatment of oxides and ferrites which contain iron and other metals |
11/03/1981 | US4298379 From solution of mixed metal sulfates containing boron and silicon impurities |
10/28/1981 | EP0038608A1 Apparatus for refining molten metal |
10/20/1981 | US4295884 Process for treating a molten metal or alloy using liquid and solid flux |
09/29/1981 | US4291865 Radial cold trap |
09/22/1981 | US4291001 Using an ion exchange resin, aluminate composite |
09/22/1981 | US4290822 Adding metal hydroxide remove oxides, hydrides |
09/22/1981 | US4290804 Method for producing magnesium |
09/22/1981 | US4290588 Apparatus for refining molten aluminum |
09/08/1981 | CA1108409A1 Thermal production process of magnesium |
08/25/1981 | US4285915 Recovery of alkali values from trona ore |
08/25/1981 | US4285914 Recovery of lithium from low-grade ores |
08/11/1981 | US4283372 By solubilizing the ore, crystallization |
08/06/1981 | WO1981002153A1 Production of high purity and high surface area magnesium oxide |
07/29/1981 | EP0032563A1 A process for increasing the lithium content obtained from lithium solutions using lithium aluminates/resin composites |
07/14/1981 | US4278499 Apparatus for the purification of a liquid metal for cooling in the core of a fast neutron reactor |
06/16/1981 | CA1103399A1 Recovery of mg su xx from brines |
06/10/1981 | EP0030067A1 Process for the extraction of metal ions |
04/07/1981 | US4260494 Removal of mercury sulfides by oxidation |
04/07/1981 | CA1098716A1 Chemicothermal production of magnesium |
12/23/1980 | US4240825 Metallothermal process for the simultaneous production of magnesium and cement or calcium and cement |
12/09/1980 | US4238224 Continuous extraction of magnesium from magnesium oxides |
12/09/1980 | US4238223 Method of extracting magnesium from magnesium oxides |
11/25/1980 | CA1090142A1 Methods and apparatus for the production of mg and ca by carbon reduction |
09/23/1980 | US4224120 Electrolytic method and apparatus for producing magnesium from a salt solution containing magnesium sulphate |
09/23/1980 | CA1086071A1 Process for producing magnesium utilizing aluminum metal reductant |
09/09/1980 | CA1085172A1 Flotation process |
08/26/1980 | US4219354 Hydrometallurgical process for the treatment of oxides and ferrites which contain iron and other metals |
08/19/1980 | CA1083823A1 Magnesium reclamation process and apparatus |
08/05/1980 | CA1082927A1 Process for producing magnesium utilizing aluminum metal reductant |
07/22/1980 | CA1081970A1 Process for producing magnesium utilizing aluminum- silicon alloy reductant |
06/24/1980 | CA1079932A1 Method of recovering magnesia from scrap brick |
06/11/1980 | EP0012074A1 Method of cleaning a cold trap for liquid metals, and device for carrying out this method |
06/03/1980 | CA1078976A1 Beneficiation of lithium ores by froth flotation |
05/27/1980 | US4204860 Reduction of magnesium oxide |
04/29/1980 | US4200264 Apparatus for obtaining Mg and Ca through carbon reduction |
04/22/1980 | US4199797 Protective circuit for amplifier circuits |
04/08/1980 | CA1075325A1 Plasma reactor and procedure for reduction of metal oxides |
04/08/1980 | CA1075013A1 Recovery of cesium and palladium from nuclear reactor fuel processing waste |
04/01/1980 | US4195891 Alkali metal vapor generator |