Patents for C22B 26 - Obtaining alkali, alkaline earth metals or magnesium (2,661) |
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03/04/1980 | US4191558 Crystallizing oxides |
02/26/1980 | US4190434 Thermal processes for the production of magnesium |
02/12/1980 | CA1071415A1 Method for the recovery of halogens from sodium |
02/06/1980 | EP0007884A1 Process and apparatus for treating a liquid metal or alloy by means of a solid and liquid flux, application to the treatment of aluminium, magnesium, or their respective alloys |
01/08/1980 | US4182498 Recovery of round metal granules from process sludge |
12/25/1979 | US4180476 Process for the extraction of fission products |
12/18/1979 | US4179287 Method for adding manganese to a molten magnesium bath |
10/23/1979 | CA1064709A1 Method for production of magnesium-containing briquets and magnesium |
10/09/1979 | CA1063776A1 Method for working-up shale |
09/25/1979 | CA1062880A1 Process for the disposal of alkali metals |
09/04/1979 | CA1061794A1 Method for the solubilizing of alkali metal salts with polyethyleneglycoldiethers and the utilization thereof |
07/10/1979 | CA1057946A1 82sr-82rb radioisotope generator |
06/05/1979 | CA1055882A1 Process for the electrolytic recovery of gallium and/or alkali metals |
05/15/1979 | US4154972 Apparatus and procedure for reduction of metal oxides |
04/10/1979 | US4149077 Method for separation and enrichment of lithium isotopes by laser |
04/03/1979 | US4147534 Method for obtaining Mg and Ca through carbon reduction |
02/20/1979 | US4140745 Method of recovering magnesia from scrap brick |
02/20/1979 | US4140523 Reduction of magnesium oxide with aluminum, pyrometallurgy |
02/13/1979 | US4139421 Method of determining oxygen content |
02/13/1979 | US4139181 Reduction of magnesium oxide with carbon, no scale formation |
01/09/1979 | US4133866 Process for the selective separation of the bound sodium content of red mud |
01/09/1979 | CA1045828A1 Process for the preparation of magnesium |
11/14/1978 | US4125588 Nickel and magnesia recovery from laterites by low temperature self-sulfation |
10/31/1978 | CA1041304A1 Process for recovering valuable metals from sulfate solutions |
10/24/1978 | CA1040868A1 Process for recovery of valuable metals from solution using neutralization by lime or limestone |
10/17/1978 | US4120934 Crushing, leaching, roasting |
09/12/1978 | US4113649 Method for the solubilizing of alkali metal salts with polyethyleneglycoldiethers and the utilization thereof |
08/22/1978 | US4108958 Extraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(II) and Mg(II) metal values using 2-hydroxy iminoacetic acids |
08/08/1978 | US4105440 Sodium, potassium, rubidium or cesium |
07/18/1978 | CA1034770A1 continuous sodium refining process |
07/04/1978 | US4098687 Beneficiation of lithium ores by froth flotation |
06/06/1978 | US4093194 Process and reactor for making magnesium metal |
05/16/1978 | US4089678 Carbon dioxide, sulfur hexafluoride |
04/04/1978 | US4082547 Intermetallic compounds and metal purification |
02/28/1978 | US4076472 Centrifugal pelletizer |
01/03/1978 | US4066445 Process for producing magnesium utilizing aluminum metal reductant |
12/27/1977 | US4065299 Magnesium reclamation process and apparatus |
09/27/1977 | US4051223 Process for the recovery of magnesium |
09/13/1977 | US4047938 Process for refining molten metal |
08/09/1977 | US4040815 Filtration |
07/05/1977 | US4033759 Process for producing magnesium utilizing aluminum metal reductant |
07/05/1977 | US4033758 Process for producing magnesium utilizing aluminum-silicon alloy reductant |
06/28/1977 | US4032614 Process for the disposal of alkali metals |
05/03/1977 | US4021234 Method for removing impurities in liquid metal |
04/19/1977 | US4017952 Method for disassembling and repairing a sodium-handling apparatus |
04/12/1977 | US4017306 Process for continuous production of pure sodium |
04/05/1977 | US4015978 Method for production of magnesium-containing briquets and magnesium |
03/29/1977 | US4014687 From sodium metal and a magma of magnesium chloride |
03/15/1977 | US4012298 Process for the electrolytic recovery of gallium and/or alkali metals |
02/01/1977 | US4006215 Recovering iron, nickel, or cobalt from sulfate solution |
11/30/1976 | US3994718 Intermetallic compounds and metal purification |
11/30/1976 | US3994717 Metallothermic production of magnesium in the presence of a substantially static atmosphere of inert gas |
11/23/1976 | US3993729 Process for the manufacture of potassium phosphates |
09/28/1976 | US3982930 Drilling, strontium nitrate |
09/07/1976 | US3979498 Recovery of cesium and palladium from nuclear reactor fuel processing waste |
09/07/1976 | US3979206 Process for the preparation of magnesium |
04/27/1976 | US3953567 Ion exchange resins, elution |
04/13/1976 | US3950152 Filter vapor trap |
03/30/1976 | US3947334 Apparatus for purifying sodium |
03/02/1976 | US3941586 Method and apparatus for regenerating cold traps within liquid-metal systems |
01/06/1976 | US3930844 Strontium nitrate, magnesium, strontium peroxide, polyvinyl chloride, calcium resinate |