| Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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| 12/15/2010 | EP1425263B1 Heat-sensitive compounds having a cloud point which can be used as extractants for the separation of metals in aqueous solution |
| 12/09/2010 | US20100310438 Use of Butyraldehyde Oxime as an Anti-Nitrous Agent in an Operation for the Reductive Stripping of Plutonium |
| 11/17/2010 | CN101886175A Method for producing diuranate by extracting uranium from rare earth slag containing uranium |
| 09/30/2010 | DE202004021710U1 Vorrichtung zur Entfernung von Uran(VI)-Species in Form von Uranylkomplexen aus Wässern Apparatus for the removal of uranium (VI) in the form of -Species Uranylkomplexen from waters |
| 09/21/2010 | US7799293 separating actinide from lanthanide by complexing actinide with bis(2-trifluoromethylphenyl)dithiophosphinic acid; replaces bis-2,4,4-trimethylpentyl dithiophosphinic acid, of tradename CYANEX (reg); dithiophosphinic acid compound has stability in acidic solutions |
| 09/14/2010 | US7794677 Reduction of copper content in the molybdenite concentrate |
| 09/09/2010 | US20100226837 Production of metal products directly from underground ore deposits |
| 08/05/2010 | DE102006042191B4 Verfahren zur Reinigung von Radium aus verschiedenen Quellen A process for the purification of radium from different sources |
| 08/04/2010 | CN201538800U Inverted conical resin buffer |
| 07/27/2010 | US7763684 star polymers comprising polyamines having terminal carbamylmethyl phosphine oxide groups, used for extracting metals from aqueous effluents coming from spent nuclear fuel reprocessing plants or spent nuclear fuel dissolution solutions |
| 07/14/2010 | EP1987522B1 Method for purification of 225ac from irradiated 226ra-targets |
| 07/13/2010 | US7754167 via solvent containing bis(aryl)dithiophosphinic acid; stripping with nitric acid |
| 06/17/2010 | US20100150798 Actinide extraction methods and actinide separation compositions |
| 06/02/2010 | CN101717869A Extraction and separation technology of uranium and molybdenum contained in uranium and molybdenum alloy diffuse-type fuel element |
| 05/12/2010 | CN201459103U Biological immobilized continuous culture device |
| 04/29/2010 | US20100104467 Production of thorium 228 starting from a natural thorium salt |
| 04/15/2010 | WO2010014562A3 Extraction of uranium from wet-process phosphoric acid |
| 03/30/2010 | US7686865 Extraction in a liquid or supercritical-fluid solvent; cleaner and more efficient extraction technology to the recovery of metals, such as uranium |
| 03/25/2010 | WO2010014745A3 Systems and methods for treating material |
| 03/16/2010 | US7678172 Microwave treatment of ores |
| 02/11/2010 | US20100034713 Process for separating a chemical element from uranium (vi) starting from a nitric aqueous phase, in an extraction cycle for the uranium |
| 02/04/2010 | WO2010014745A2 Systems and methods for treating material |
| 02/04/2010 | WO2010014562A2 Extraction of uranium from wet-process phosphoric acid |
| 02/04/2010 | CA2731170A1 Extraction of uranium from wet-process phosphoric acid |
| 02/02/2010 | US7655199 Leaching uranium and silica containing sample to form leachate containing 100 mg SiO2/liter and dissolved uranium, removing dissolved uranium using strong base macroreticular anion exchange resin to obtain uranium product in combination with strong base anion exchange resin, eluting, recovering uranium |
| 01/28/2010 | US20100018347 Separation of radium and rare earth elements from monazite |
| 01/12/2010 | CA2307500C Method for removing contaminants from process streams in metal recovery processes |
| 01/06/2010 | CN101619401A Method for recycling uranium from uranium extraction tailings |
| 12/31/2009 | US20090320646 Method for selective separation of trivalent and tetravalent actinoids from trivalent lanthanoids using hybrid donor type extractant having functional group carrying active oxygen and nitrogen atoms |
| 11/18/2009 | CN101580900A Technique for reagent-free in situ leaching uranium mining from sandstone type uranium deposit |
| 11/05/2009 | US20090272227 Metal Extraction Without Cyanide |
| 10/21/2009 | CN101560613A Intensified uranium ore heap leaching method |
| 10/01/2009 | WO2009120373A2 Metal extraction without cyanide |
| 09/02/2009 | EP2095372A1 Grouped separation of actinides from a highly acidic aqueous composition a solvating extractant in a salting medium |
| 09/01/2009 | US7582543 Liquid-liquid interfacial synthetic method for nanosemiconductor luminous material |
| 08/13/2009 | US20090202405 Chemical Beneficiation of Raw Material Containing Tantalum-Niobium |
| 08/04/2009 | US7569192 System for recovery of daughter isotopes from a source material |
| 07/30/2009 | US20090191122 Method for purification of 225ac from irradiated 226ra-targets |
| 07/29/2009 | EP2082071A1 Method for the purification of radium from different sources |
| 04/28/2009 | US7524469 Solvents; calix[4]arene-bis-(tert-octylbenzo)-crown-6 ("BOBCalixC6"), 4',4',(5')-di-(t-butyldicyclo-hexano)-18-crown-6 ("DtBu18C6"), 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol ("Cs-7SB"), and a diluent; simultaneous removal of cesium and strontium from the aqueous phase |
| 03/25/2009 | EP2038030A1 Method for separating a chemical element from uranium (vi) using an aqueous nitric phase, in a uranium extraction cycle |
| 03/18/2009 | CN101390171A Method for purification of 225Ac from irradiated 226Ra-targets |
| 02/24/2009 | US7494630 Method of stripping metals from organic solvents |
| 02/05/2009 | DE112007000652T5 Actinium-Radioisotopenprodukte von verbesserter Reinheit Actinium radioisotope products of improved purity |
| 01/29/2009 | WO2009013759A1 Single stage purification for uranium refining |
| 01/29/2009 | US20090026138 Process for Separating at Least One Actinide Element From Lanthanide Elements in an Aqueous Medium by Sequestration and Membrane Filtration |
| 01/29/2009 | CA2707460A1 Single stage purification for uranium refining |
| 01/22/2009 | US20090022638 Ion exchanger for winning metals of value |
| 01/01/2009 | US20090001802 Extraction of Actinides From Mixtures and Ores Using Dendritic Macromolecules |
| 12/03/2008 | CN100439520C Method for separating Sr2+ - y3+ |
| 11/27/2008 | WO2007123917A3 Method and apparatus for reduced emissions fuel combustion |
| 11/05/2008 | EP1987522A2 Method for purification of 225ac from irradiated 226ra-targets |
| 11/04/2008 | US7445760 Method of reprocessing spent nuclear fuel |
| 10/15/2008 | EP1979498A1 Aqueous-medium separation method of at least one actinide element from lanthanide elements by complexation and membrane filtration |
| 09/23/2008 | US7427386 fluorination uranium ore, uranium and/or uranium oxide previously used in as nuclear fuels, then ionization of the uranium fluoride and electrostatically separation of the ionized uranium from the non-ionized fluorine gas |
| 09/17/2008 | EP1191113B1 Metal-collecting apparatus and method for elution and recovery of metal from metal-collecting material |
| 09/11/2008 | US20080219904 Process for enriching uranium containing feed material |
| 08/28/2008 | WO2008101296A1 Process and apparatus for the drying of yellowcake |
| 08/28/2008 | CA2678393A1 Process and apparatus for the drying of yellowcake |
| 08/14/2008 | WO2005018771A3 Uranium enrichment using microorganisms |
| 08/13/2008 | CN101240377A Method for separating nuclear fuel material from ionic liquid extraction system |
| 08/06/2008 | CN201095646Y Leaching tower for dense moving bed |
| 07/31/2008 | US20080179568 Extractant composition including crown ether and calixarene extractants |
| 07/24/2008 | US20080173132 Integrated hydrometallurgical and pyrometallurgical processing of base-metal sulphides |
| 07/09/2008 | CN100400687C Method of extracting radioactive uranium in phosphate |
| 06/12/2008 | WO2008070195A2 Actinium radioisotope products of enhanced purity |
| 06/12/2008 | US20080134837 Extraction in a liquid or supercritical-fluid solvent; cleaner and more efficient extraction technology to the recovery of metals, such as uranium |
| 05/29/2008 | WO2007084116A3 Method and system for recovering metal from metal-containing materials |
| 05/21/2008 | EP1923473A1 Bis-diglycolamides (BISDGA) as new extractants for lanthanides [Ln(III)] and actinides [An(III)] from aqueous high-level wastes |
| 05/15/2008 | US20080112863 Method for the Elimination of Uranium (VI) Species in the Form of Uranyl Complexes from Waters |
| 05/14/2008 | CN100387734C Method of extracting radioactive uranium in fly ash |
| 05/07/2008 | CN101175709A P-tert-butylcalix[6]arenes with triacidic functions at 2, 4 and 6 supported liquid membranes support materials comprising the same and use thereof |
| 05/02/2008 | WO2008049807A1 Grouped separation of actinides from a highly acidic aqueous composition a solvating extractant in a salting medium |
| 04/17/2008 | US20080089819 Purex Method and its Uses |
| 03/13/2008 | WO2008028664A1 Method for the purification of radium from different sources |
| 03/13/2008 | CA2662932A1 Method for the purification of radium from different sources |
| 02/20/2008 | CN100369957C Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 02/13/2008 | EP1885682A2 P-tert-butylcalix[6]arenes with triacidic functions at 2, 4 and 6 supported liquid membranes support materials comprising the same and use thereof |
| 02/06/2008 | CN100366315C Method and equipment for liquid-liquid extraction |
| 01/30/2008 | CN101113492A Ion exchanger for extracting precious metals |
| 01/29/2008 | US7323032 Pyrochemical reprocessing method for spent nuclear fuel |
| 01/24/2008 | CA2593961A1 Ion exchanger for winning metals of value |
| 01/10/2008 | WO2008003681A1 Method for separating a chemical element from uranium (vi) using an aqueous nitric phase, in a uranium extraction cycle |
| 01/10/2008 | CA2656142A1 Method for separating a chemical element from uranium (vi) using an aqueous nitric phase, in a uranium extraction cycle |
| 11/07/2007 | EP1851172A2 Method and system for recovering metal from metal-containing materials |
| 11/06/2007 | US7291316 Using a mixture of calix[4]arene-bis-(tert-octylbenzo)-crown-6, 4',4',(5')-di-(t-butyldicyclohexano)-18-crown-6, and 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol to separate cesium and strontium from an acidic solution; especially for treating spent nuclear fuel waste |
| 11/01/2007 | CA2646296A1 Method and apparatus for reduced emissions fuel combustion |
| 10/25/2007 | WO2007096119A3 Method for purification of 225ac from irradiated 226ra-targets |
| 10/16/2007 | US7282187 Separating and removing fluorine values from the starting material;leaching to solubilize metal values contained in the remaining material and generate an aqueous solution comprising solubilized metal values; extracting a solubilized metal value from aqueous solution |
| 10/16/2007 | CA2213758C Process to remove rare earths from spent nuclear fuel |
| 09/20/2007 | US20070217975 Process for uranium recovery |
| 08/30/2007 | WO2007096119A2 Method for purification of 225ac from irradiated 226ra-targets |
| 08/30/2007 | CA2640768A1 Method for purification of 225ac from irradiated 226ra-targets |
| 08/16/2007 | US20070189943 Contacting organic phase with an aqueous solution of a stripping agent comprising an organic amine carbonate solution selected from methylamine, dimethylamine, morpholine, pyrolidine, and pyridine; distillation to recover amine; regenerating the amine carbonate solution; recycling |
| 08/02/2007 | WO2007085659A1 Aqueous-medium separation method of at least one actinide element from lanthanide elements by complexation and membrane filtration |
| 07/25/2007 | CN101003856A Method for separating Sr2+ - y3+ |
| 07/19/2007 | US20070163957 Separation of lanthanide or actinide compounds from aqueous acidic sample solution; free-flowing; dispersed on porous support |
| 07/19/2007 | US20070163386 Pyrochemical reprocessing method for spent nuclear fuel |
| 07/05/2007 | DE102006042191A1 Verfahren zur Reinigung von Radium aus verschiedenen Quellen A process for the purification of radium from different sources |
| 07/03/2007 | CA2272857C Improved leaching of mineral ores |