Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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04/29/1980 | US4200337 Catalyses of uranium oxidation |
04/29/1980 | CA1076365A1 Production of uranium peroxide |
04/22/1980 | US4199551 Recovery of molybdenum and uranium from activated charcoal containing molybdenum and residual uranium |
04/22/1980 | US4199470 Material for recovering uranium and method for recovering a uranium solution of high purity and high concentration, using the same |
04/16/1980 | EP0010044A1 Process for the separation of americium from curium |
04/08/1980 | US4197274 Hydrazine reduces nitric acid solution of tetravalent plutonium to trivalent plutonium |
04/08/1980 | US4197195 Divinylbenzene-styrene copolymer as absorbent |
04/08/1980 | CA1074982A1 Method of stripping solid particles |
03/18/1980 | US4193792 Process for Class IIIB metals ore reduction |
03/05/1980 | EP0008552A1 Process for the recovery of uranium from an organic phase |
02/26/1980 | US4190633 Crud handling circuit |
02/26/1980 | CA1072341A1 Bidentate organophosphorus solvent extraction process for actinide recovery and partition |
02/12/1980 | US4188361 Stripping organic-soluble amine complex with aqueous acidic solution containing sulfate ions |
02/12/1980 | CA1071414A1 Method for dissolving plutonium dioxide |
01/29/1980 | US4186175 Crown ether uranyl halide complexes |
01/29/1980 | US4185872 In-situ leaching of uranium |
01/22/1980 | US4185077 Method of recovering uranium from aqueous solution |
01/22/1980 | CA1070121A1 Anion exchange resin for uranium technology |
01/15/1980 | CA1069854A1 Method for purifying actinides which are in low oxidation states |
12/25/1979 | US4180545 Salt formation, reduction, solvent extraction, precipitation |
12/11/1979 | US4178270 Method for supporting hydrous metal oxide on carrier |
11/27/1979 | US4175789 Solution mining utilizing dissolved oxygen with elimination of entrained gas |
11/20/1979 | US4175108 Process for extracting uranium from ores |
11/15/1979 | WO1979000920A1 High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid and the like |
11/14/1979 | EP0005420A1 A method of purifying a substance by the selective alkaline carbonate leaching of said substance to remove uranium therefrom |
11/14/1979 | EP0005319A1 Process and apparatus for the recovery of uranium values from an organic extractant phase |
10/31/1979 | EP0004953A2 Process and apparatus for the selective separation of uranium from its accompanying metals and for its recovery |
10/30/1979 | US4172775 Photochemical separation of metals in solution by precipitation following reduction or oxidation |
10/30/1979 | CA1065122A1 Recovery of fluorine, uranium and rare earth metal values from phosphoric acid waste liquors |
10/23/1979 | CA1064816A1 In situ leaching process for recovering uranium values |
10/23/1979 | CA1064707A1 Ferric ion as a scavenging agent in a solvent extraction process |
10/17/1979 | EP0004792A2 Moving bed ion exchange method |
10/09/1979 | CA1063776A1 Method for working-up shale |
09/25/1979 | CA1062882A1 Separation of uranium isotopes by accelerated isotope exchange reactions |
08/22/1979 | EP0003709A1 Hot leaching of ores with a liquid mainly containing a soluble bicarbonate |
07/24/1979 | US4162230 Method for the recovery of actinide elements from nuclear reactor waste |
05/22/1979 | US4155982 In situ carbonate leaching and recovery of uranium from ore deposits |
05/22/1979 | CA1054802A1 Membrane hydro-metallurgical extraction process |
05/08/1979 | CA1053912A1 Method of treating discharge water from preparation plants of uranium ores |
04/18/1979 | EP0001537A1 Process for the treatment of solutions containing carbonate, sulfate, possibly hydroxide of sodium or potassium and at least one of the metals vanadium, uranium, molybdenum |
04/03/1979 | CA1051670A1 Method of recovering uranium from aqueous solution |
03/22/1979 | WO1979000142A1 Uranium recovery from wet process phosphoric acid |
01/16/1979 | US4134960 Containing solids treated with nitric acid |
12/26/1978 | US4131639 Sulfuric acid extraction of uranium from its ores |
10/17/1978 | US4120934 Crushing, leaching, roasting |
10/03/1978 | US4118457 Redox uranium isotope separation using anion exchangers |
09/26/1978 | US4116783 Method for recovering variable-valency elements and purifying sewage waters |
09/12/1978 | CA1038168A1 Matrix of algae and method of making same and method of obtaining uranium from sea water by said matrix |
09/05/1978 | US4112045 Separation of uranium isotopes using anion exchangers |
08/22/1978 | US4108957 Aqueous slurry, forming calcium monophosphate, adding oxalic acid to precipitate calcium |
08/15/1978 | CA1036364A1 Filtration aids in uranium ore processing |
08/08/1978 | US4105741 Process for recovery of uranium from wet process phosphoric acid |
08/08/1978 | US4105253 Carbonic acid and oxidizing agent, leach solution for uranium mining |
07/18/1978 | US4101408 Countercurrent extraction column for liquid-liquid extraction |
07/04/1978 | US4098866 Nitric acid leaching |
06/20/1978 | US4096231 Separation of uranium hexafluoride from plutonium hexafluoride by means of selective intercalation in graphite |
05/30/1978 | US4092399 Contacting with ion exchange resin, elution |
05/30/1978 | US4092398 Ion exchange apparatus for uranium technology |
04/04/1978 | US4082547 Intermetallic compounds and metal purification |
01/24/1978 | US4070438 Method for loading resin beds |
01/17/1978 | US4069293 Method for dissolving plutonium dioxide |
01/03/1978 | US4066297 Introducing alkaline leach solution undersaturated in carbonates into mining formation |
09/20/1977 | US4049769 Separation of uranium isotopes by accelerated isotope exchange reactions |
09/20/1977 | US4049385 Graphite shell and tube |
08/23/1977 | US4043599 Acid preinjection to decrease instantaneous acid consumption in in-situ mining |
08/02/1977 | US4039445 Matrix of algae and method of making same and method of obtaining uranium from sea water by said matrix |
07/12/1977 | US4035292 Fluid solid contact process and apparatus |
06/28/1977 | US4032329 Metal reduction process employing metal sub-halides |
06/28/1977 | US4032328 Metal reduction process |
06/07/1977 | US4028096 Method of melting metals to reduce contamination from crucibles |
05/31/1977 | US4026987 Recovery of uranium sulfate anions on a weak base anion exchange resin |
05/24/1977 | US4025602 Oxalate precipitation, ion exchanging |
05/17/1977 | US4024216 Carbonate leach uranium ore processing with sodium polyacrylate flocculant |
05/17/1977 | US4024215 Production of uranium peroxide |
05/17/1977 | US4024068 Process for separating ceramics of uranium and plutonium from zirconium by hydriding and mixtures thereof |
05/17/1977 | US4024054 Bubbles formed by cells of living organisms |
05/03/1977 | US4021313 Method for purifying actinides which are in low oxidation states |
04/19/1977 | US4018677 Method of stripping solid particles |
03/15/1977 | US4012480 Isotopic enrichment of uranium with respect to an isotope |
01/25/1977 | US4004987 Uranium, neptunium, transuranium, ph |
01/11/1977 | US4002716 Sulfide precipitation method of separating uranium from group II and group III metal ions |
12/21/1976 | US3998924 Recovery of non-ferrous metals from acidic liquors with a chelate exchange resin in presence of iron(III) |
11/30/1976 | US3995009 Contacting with uranyl fluoride |
11/30/1976 | US3994718 Intermetallic compounds and metal purification |
11/23/1976 | US3993728 Bidentate organophosphorus solvent extraction process for actinide recovery and partition |
10/19/1976 | US3987145 Ferric ion as a scavenging agent in a solvent extraction process |
10/12/1976 | US3985551 Heating with yttrium |
09/28/1976 | US3982928 Separation of uranium from (Th,U)O2 solid solutions |
09/14/1976 | US3980471 Process for class III-B metals ore reduction |
08/24/1976 | US3976775 Method for dissolving plutonium dioxide |
07/27/1976 | US3971842 Continuous displacement chromatographic separation |
06/29/1976 | US3966873 Mixing, solvent extraction, stripping |
06/29/1976 | US3966872 Solvent extraction, stripping |
06/22/1976 | US3965238 Acidifying phosphate rock, solvent extraction |
06/01/1976 | US3961027 Cyclic process for re-use of waste water generated during the production of UO2 |
05/18/1976 | US3957504 Metals, chelate compounds |
04/27/1976 | US3953569 Concentration of uranium 235 in mixtures with uranium 238 using ion exchange resins |
04/27/1976 | US3953568 Method of simultaneous concentration and dilution of isotopes |
04/06/1976 | US3949049 Method of stripping plutonium from tributyl phosphate solution which contains dibutyl phosphate-plutonium stable complexes |
02/10/1976 | US3937783 Recovery of fluorine, uranium and rare earth metal values from phosphoric acid by-product brine raffinate |