| Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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| 06/14/2007 | US20070131618 Multivalent metal ion extraction using diglycolamide-coated particles |
| 05/30/2007 | EP1790741A1 Process for uranium recovery |
| 05/30/2007 | EP1790740A1 Process for uranium recovery |
| 04/25/2007 | CN1311943C Method for producing metal powder and formed product of raw material for metal |
| 04/18/2007 | CN1948527A Method of extracting radioactive uranium in fly ash |
| 04/18/2007 | CN1948526A Method of extracting radioactive uranium in phosphate |
| 04/11/2007 | EP1771588A2 Ultrasonic counter-current screw extractor for uranium recovery |
| 03/28/2007 | EP1765727A1 Method for processing aqueous media containing metal nitrate or sulphate salts |
| 03/20/2007 | US7192563 Two-cycle selective countercurrent extraction using bis(2-ethylhexyl) phosphate and tri-n-butyl phosphate with refined kerosene as synergistic extractant system on H2O2 treated H3PO4, and stripping the loaded extract with strong H3PO4 containing metallic iron to lower redox potential |
| 03/08/2007 | WO2006136948A3 Chemical beneficiation of raw material, containing tantalum-niobium |
| 01/25/2007 | WO2006123051A3 P-tert-butylcalix[6]arenes with triacidic functions at 2, 4 and 6 supported liquid membranes support materials comprising the same and use thereof |
| 01/17/2007 | EP1742883A1 Method for the elimination of uranium(vi) species in the form of uranyl complexes from waters |
| 01/11/2007 | US20070009410 Method for separating trivalent americium from trivalent curium |
| 01/03/2007 | EP1664359B1 Method for separating trivalent americium from trivalent curium |
| 01/02/2007 | US7157003 Using mixture of extractant |
| 12/28/2006 | WO2006136948A2 Chemical beneficiation of raw material, containing tantalum-niobium |
| 12/28/2006 | CA2596708A1 Chemical beneficiation of raw material, containing tantalum-niobium |
| 12/20/2006 | CN2848870Y High flow speed fixed bed ion exchange equipment |
| 12/13/2006 | EP1597304B1 Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 10/31/2006 | US7128840 Ultrasound enhanced process for extracting metal species in supercritical fluids |
| 10/10/2006 | US7118718 Removal of radionuclide impurities such as radium from phosphate ores used to form phosphoric acid, by mixing the ores with nitric acid and water, then seperating the liquids and solids; pollution control |
| 09/28/2006 | US20060213329 Actinium radioisotope products of enhanced purity |
| 09/14/2006 | US20060205920 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 |
| 09/08/2006 | WO2006007265A3 Ultrasonic counter-current screw extractor for uranium recovery |
| 08/31/2006 | WO2006016892A3 Cesium and strontium extraction using a mixed extractant solvent including crown ether and calixarene extractants |
| 08/08/2006 | US7087206 Selectively extracted from solution of thorium parent and daughter radionuclides by a primary separation column; stripping; minimizes radiation damage |
| 07/20/2006 | DE102004022200B4 Radium-Target sowie Verfahren zu seiner Herstellung Radium target, and process for its preparation |
| 07/13/2006 | US20060153760 Extracting parent isotope of uranium and/or thorium in acidic solution; continuous contacting organic with aqueous phase;purifying actinium or radium daughter isotope; ion exchange chromatography; decay |
| 07/06/2006 | US20060147359 Method for separating uranium (VI) from actinides(IV) and/or (VI) and the use thereof |
| 06/07/2006 | EP1664359A1 Method for separating trivalent americium from trivalent curium |
| 05/25/2006 | US20060110303 Process for the dissolution of actinic oxides |
| 05/24/2006 | CN1777462A Method and equipment for liquid-liquid extraction |
| 05/24/2006 | CN1777461A Method and equipment for liquid-liquid extraction |
| 05/11/2006 | US20060096415 Microwave treatment of ores |
| 03/29/2006 | CN1753937A Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 03/21/2006 | US7015340 Heat-sensitive compounds exhibitng a cloud point which can be used as extractants for the separation of metals in aqueous solution |
| 03/16/2006 | US20060057038 System for recovery of daughter isotopes from a source material |
| 02/16/2006 | WO2006016892A2 Cesium and strontium extraction using a mixed extractant solvent including crown ether and calixarene extractants |
| 01/31/2006 | US6991731 Diluting the aqueous solution with water, prior passing through an ion exchange resin; radioactive thorium binds to ion exchange resin for a period of time and decay to uranium and protactinium; purification |
| 01/26/2006 | WO2006008378A1 Method for processing aqueous media containing metal nitrate or sulphate salts |
| 01/26/2006 | US20060018813 Method of separating and purifying Yttrium-90 from Strontium-90 |
| 12/27/2005 | US6979429 Contacting the metal containing material with a mineral acid and a complexing agent to digest ore residue under temperature and pressure conditions suitable to form a (complexing agent)/(fluoride) complex and solubilize; separating |
| 12/21/2005 | CN1232608C Method for synthesizing nano semiconductor luminescence material on liquid-liquid interface |
| 12/15/2005 | DE102004022705A1 Verfahren zur Abtrennung von Uranspecies aus Wasser Process for the separation of uranium species from water |
| 12/06/2005 | US6972414 method and apparatus for isolating and purifying a 213Bi radioactive isotope from an 225Ac source without generating excessive waste |
| 12/06/2005 | US6972108 Device for metallizing uranium oxide and recovering uranium |
| 11/23/2005 | EP1597304A2 Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 11/17/2005 | WO2005108303A1 Method for the elimination of uranium(vi) species in the form of uranyl complexes from waters |
| 11/10/2005 | US20050247633 Diluting the aqueous solution with water, prior passing through an ion exchange resin; radioactive thorium binds to ion exchange resin for a period of time and decay to uranium and protactinium; purification |
| 10/18/2005 | CA2244802C Removal of uranium contamination from magnesium fluoride slag |
| 10/11/2005 | US6953518 Apparatus for concentrating a specific ingredient-dissolved liquid |
| 10/06/2005 | US20050221516 Liquid-liquid interfacial synthetic method for nanosemiconductor luminous material |
| 10/04/2005 | US6951634 Process for recovery of daughter isotopes from a source material |
| 09/29/2005 | US20050211955 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 |
| 09/14/2005 | CN1668769A Microwave treatment of ores |
| 08/04/2005 | US20050167609 Method and apparatus for production of 213bi from a high activity 225ac source |
| 06/28/2005 | US6911135 Process for separating metals |
| 05/24/2005 | US6896716 Process for producing ultra-pure plutonium-238 |
| 04/07/2005 | US20050072271 consolidation via forging; improved strength/strain/thermoconductivity |
| 03/24/2005 | DE10339328A1 Verfahren zur Trennung von dreiwertigem Americium von dreiwertigem Curium A process for separating trivalent americium from trivalent curium |
| 03/10/2005 | WO2005021810A1 Method for separating trivalent americium from trivalent curium |
| 03/09/2005 | EP1511869A1 A process for recovery of high purity uranium from fertilizer grade weak phosphoric acid |
| 03/08/2005 | US6863812 Collector for adsorptive recovery of dissolved metal from sea water |
| 01/18/2005 | US6843970 Process for recovering metal values by dissolving them in a sulfuric acid solution containing a carbon source and a reducing agent |
| 01/12/2005 | CN1563265A Method for synthesizing nano semiconductor luminescence material on interface bewteen liquid-liquid |
| 12/09/2004 | US20040247504 Two-cycle selective countercurrent extraction using bis(2-ethylhexyl) phosphate and tri-n-butyl phosphate with refined kerosene as synergistic extractant system on H2O2 treated H3PO4, and stripping the loaded extract with strong H3PO4 containing metallic iron to lower redox potential |
| 12/02/2004 | US20040242769 Heat-sensitive compounds having a cloud point which can be used as extractants for the separation of metals in aqueous solution |
| 11/04/2004 | WO2004029279A3 Process for recovery of daughter isotopes from a source material |
| 10/21/2004 | WO2004076509A3 Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 10/14/2004 | WO2004087971A1 A process for recovery of high purity uranium from fertilizer grade weak phosphoric acid |
| 10/06/2004 | CN1169943C Intermediate thermophilic acidophilic thiobacillu strin and its application |
| 09/21/2004 | US6793894 Pyrochemical reprocessing method for spent nuclear fuel and induction heating system to be used in pyrochemical reprocessing method |
| 09/10/2004 | WO2004076509A2 Phosphorous dendrimers, preparation method thereof and use of same for the extraction of actinides and lanthanides |
| 08/18/2004 | CN1162558C Process for extracting and separating thorium and extracting rare earth chloride from sulfuric and phosphoric mixed acid system |
| 07/28/2004 | EP1144701B1 Processing of uranium-bearing materials by fluorination followed by separation of uranium hexafluorides in a plasma reactor |
| 07/01/2004 | US20040124141 Cyclic method for separating chemcial elements present in an aqueous solution |
| 06/09/2004 | EP1425263A1 Heat-sensitive compounds having a cloud point which can be used as extractants for the separation of metals in aqueous solution |
| 05/18/2004 | US6736951 Method of treating waste from nuclear fuel handling facility and apparatus for carrying out the same |
| 04/08/2004 | WO2004029279A2 Process for recovery of daughter isotopes from a source material |
| 03/18/2004 | US20040052705 Separation, precipitation, accumulation; forming thorium iodate or nitrate; decay into isotopes |
| 12/11/2003 | WO2003102250A1 Microwave treatment of ores |
| 11/27/2003 | US20030220033 For recovering uranium, vanadium, cobalt and titanium |
| 11/20/2003 | WO2003095687A1 Oxidation process |
| 11/11/2003 | US6645453 Solvent extraction process for recovery of uranium from phosphoric acid (25-55% P205) |
| 10/02/2003 | US20030183043 Ultrasound enhanced process for extracting metal species in supercritical fluids |
| 09/23/2003 | US6623712 Method for dissolving plutonium or a plutonium alloy and converting it into nuclear fuel |
| 09/11/2003 | US20030170158 Method for solubilizing metal values |
| 09/04/2003 | US20030164300 Electrorefining of americium |
| 07/09/2003 | CN1114216C Process to remve rare earth from spent nuclear fuel |
| 07/08/2003 | CA2222639C Metal and fluorine values recovery from fluoride salt matrices |
| 07/01/2003 | US6586099 Collector of metals dissolved in sea water |
| 06/19/2003 | US20030113247 Solvent extraction process for recovery of uranium from phosphoric acid (25-55% P2O5) |
| 05/28/2003 | CN1420185A Obtaining product by solubilizing metal component from Ta-Nb metal ore contg. insoluble fluoride |
| 05/15/2003 | US20030092954 Nuclear fuel dissolution |
| 05/14/2003 | EP1218554B1 Reclamation of metals like uranium from contaminated solids such as incinerator ash by fluorination and leaching |
| 04/01/2003 | CA2222900C Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 03/20/2003 | WO2003022798A1 Heat-sensitive compounds having a cloud point which can be used as extractants for the separation of metals in aqueous solution |
| 02/05/2003 | CN1394971A Process for extracting and separating thorium and extracting rare earth chloride from sulfuric and phosphoric mixed acid system |
| 01/23/2003 | US20030015472 Thorium remains on the ion exchange column until it decays to uranium and protactinium that are replaced by additional thorium, so that the thorium never reaches break-through and the column can be used continuously without regeneration. |
| 01/02/2003 | EP1268840A2 Thauera strain mz1t exopolysaccharides |