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