| Patents for C01G 43 - Compounds of uranium (1,053) |
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| 11/27/2008 | WO2008142072A1 Method for the production of spherical combustible or fertile material particles |
| 10/29/2008 | EP1985587A1 Two step dry UO2 production process |
| 10/29/2008 | CN101293672A Two step UO2 production process |
| 10/23/2008 | US20080260612 Oxidation of metallic materials as part of an extraction, purification and/or refining process |
| 10/16/2008 | WO2008105928A3 Process for treating compositions containing uranium and plutonium |
| 10/08/2008 | CN201127888Y Vertical type fluorination reactor |
| 09/25/2008 | US20080233030 Process for Manufacturing an Electrochemical Device |
| 09/24/2008 | CN101269838A Method for extracting and purifying normal uranium with vibrating screen plate column |
| 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 |
| 09/11/2008 | US20080219904 Process for enriching uranium containing feed material |
| 09/09/2008 | US7422626 Method and device for declogging filter |
| 09/03/2008 | CN101254950A Method for surface oxidation treatment of uranium oxide powder |
| 08/28/2008 | WO2008101296A1 Process and apparatus for the drying of yellowcake |
| 08/28/2008 | CA2678393A1 Process and apparatus for the drying of yellowcake |
| 07/24/2008 | WO2008088576A2 Actinide extraction methods and actinide separation compositions |
| 06/11/2008 | CN101197199A Nuclear fuel pellet producing method, involves producing mixed powder by mixing uraninite and uranium dioxide powders, producing compact body by compressing mixed powder, and sintering body in reducin |
| 05/28/2008 | CN100390102C Technique for preparing dryness gel ball by using vacuum drying method |
| 05/20/2008 | US7374940 Method and apparatus for determining the progress of a uranium oxyfluoride conversion reaction in a furnace and for controlling the reaction |
| 05/07/2008 | CN101172660A Method for producing high temperature reactor fuel element UO* nuclear core |
| 04/10/2008 | WO2006113040A3 A non-aqueous method for separating chemical constituents in spent nuclear reactor fuel |
| 01/31/2008 | US20080025894 Two step uo2 production process |
| 01/30/2008 | EP1882507A1 Ion exchanger for extracting precious metals |
| 01/29/2008 | US7323153 Reprocessing method by fluoride volatility process using fractional distillation |
| 01/24/2008 | WO2008010538A1 Method of reducing hexavalent uranium by ultrasonic propagation |
| 12/18/2007 | US7309473 under conditions of gas flow of carbon disulfide or hydrogen sulfide for better control of sulfur level; lubrication, pelletization, sintering; particle size control |
| 11/29/2007 | WO2007135178A1 Process for reprocessing a spent nuclear fuel and of preparing a mixed uranium-plutonium oxide |
| 11/21/2007 | CN101076868A Method for separating uranium (VI) and actinides (IV)and/or actinides (VI) and its application |
| 11/13/2007 | US7294291 Ceramicrete stabilization of U-and Pu-bearing materials |
| 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 |
| 09/04/2007 | CA2137635C Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride |
| 08/02/2007 | US20070178036 Method of preparing feedstock liquid, method of preparing uranyl nitrate solution, and method of preparing polyvinyl alcohol solution |
| 07/26/2007 | WO2007084116A2 Method and system for recovering metal from metal-containing materials |
| 07/10/2007 | CA2297305C Heat transfer system for a reactor to convert uf6 into uranium oxide |
| 05/09/2007 | CN1961380A Method for co-precipitation of actinides in different oxidation states and method for preparation of mixed actinide compounds |
| 05/09/2007 | CN1958516A Technique for preparing dryness gel ball by using vacuum drying method |
| 04/24/2007 | US7208129 Hydrofluoric acid, fluorination of the spent oxide fuel in the reaction thereof with a hydrogen fluoride gas using a fluidized bed furnace thereby converting uranium and plutonium compounds and most impurities in the spent oxide fuel into nonvolatile solid fluorides or oxides, fluorination with fluorine |
| 03/27/2007 | US7195745 Mixing a solution comprising thorium(IV) and/or at least one actinide(IV) with a phosphoric acid solution, heating the mixture of the solutions in a closed container, separating the precipitated product phosphate from the solution |
| 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 |
| 03/15/2007 | US20070056637 Dripping nozzle device, device for recovering feedstock liquid, device for supplying a feedstock liquid, device for solidifying the surfaces of drops, device for circulation aqueous ammonia solution, and apparatus for droducing ammonium diuranate particles |
| 02/28/2007 | EP1756839A1 Method for co-precipitation of actinides in different oxidation states and method for preparation of mixed actinide compounds |
| 02/28/2007 | CN1922110A Liquid stock for dropping, method for preparing liquid stock for dropping, method for preparing uranyl nitrate solution, and method for preparing polyvinyl alcohol solution |
| 02/06/2007 | US7172741 Forming high purity uranium, plotonium; reuse; fluorination of nuclear fuels; then oxidation |
| 01/30/2007 | US7169370 Method for co-precipitating actinides and method for preparing mixed actinide oxides |
| 01/09/2007 | CA2257218C Process to produce commercial grade anhydrous hydrogen fluoride (ahf) and uranium oxide from the defluorination of uranium hexafluoride (uf6) |
| 11/22/2006 | CN1867516A Dropping nozzle device, device for recovering dropping undiluted solution, device for supplying dropping undiluted solution, device for solidifying surface of droplet, device for circulating aqueous a |
| 10/25/2006 | EP1714943A1 Liquid stock for dropping, method for preparing liquid stock for dropping, method for preparing uranyl nitrate solution, and method for preparing polyvinyl alcohol solution |
| 10/25/2006 | CN1281512C Method for continuously preparing nickelous hydroxide |
| 09/28/2006 | WO2006100646A2 Method for controlling a product production process |
| 09/28/2006 | US20060218107 Method for controlling a product production process |
| 08/22/2006 | US7094608 Method for measuring lanthanide content dissolved in uranium oxide |
| 08/02/2006 | EP1686094A1 Dropping nozzle device, device for recovering dropping undiluted solution, device for supplying dropping undiluted solution, device for solidifying surface of droplet, device for circulating aqueous ammonia solution, and apparatus for producing ammonium deuterouranate particles |
| 08/02/2006 | EP1685573A2 Method for separating uranium (vi) from actinides (iv) and/or (vi) and the use thereof |
| 07/13/2006 | CA2532244A1 Method and apparatus for operating vaporization systems |
| 07/06/2006 | US20060147359 Method for separating uranium (VI) from actinides(IV) and/or (VI) and the use thereof |
| 06/20/2006 | US7063823 Depleted UF6 processing plant and method for processing depleted UF6 |
| 04/26/2006 | EP1324951B1 Inorganic sorbent for molybdenum-99 extraction from irradiated uranium solutions and its method of use |
| 04/18/2006 | US7029633 Method and apparatus for reducing uranium trioxide |
| 04/04/2006 | US7022295 Installation for carrying out a three phase chemical reaction under pressure |
| 03/16/2006 | US20060057043 Reprocessing method by fluoride volatility process using solid-gas separation |
| 03/16/2006 | US20060057042 producing PuF6 in which PuF4 which is hard to fluorinate further is prevented from being formed as an intermediate fluoride; fluorine or fluorine compound is subjected to a reaction with a spent oxide fuel in two stages to produce fluorides of uranium and plutonium; recover using difference in volatility |
| 03/14/2006 | US7011798 Recovering nuclear fuel materials such as uranium and plutonium from spent nuclear fuels; process includes shearing spent fuels, dissolving sheared fuels into nitric acid, removing insoluble residues, cooling, crystallizing |
| 02/01/2006 | CN1239227C Method and device for filter backwashing |
| 01/17/2006 | US6986818 Method for producing nanostructured metal-oxides |
| 01/10/2006 | US6984344 Homogenizing the powder mixture, consolidating to form a cohesive aggregates, sieving, pelleting and sintering; prevent fission gas release |
| 12/29/2005 | US20050288542 Making mixed oxides of plutonium and uranium using oxalic acid as chelating agent and calcining the coprecipitate; making nuclear fuels |
| 12/29/2005 | US20050287059 Uranium isotope separation through substitution reactions |
| 12/20/2005 | CA2169473C Process for obtaining uranium trioxide by direct thermal denitration of uranyl nitrate |
| 12/15/2005 | WO2005119699A1 Method for co-precipitation of actinides in different oxidation states and method for preparation of mixed actinide compounds |
| 11/10/2005 | WO2005052950A3 Method for separating uranium (vi) from actinides (iv) and/or (vi) and the use thereof |
| 10/05/2005 | CN1676466A Method for continuously preparing nickelous hydroxide |
| 07/07/2005 | WO2005061387A1 Liquid stock for dropping, method for preparing liquid stock for dropping, method for preparing uranyl nitrate solution, and method for preparing polyvinyl alcohol solution |
| 06/09/2005 | WO2005052950A2 Method for separating uranium (vi) from actinides (iv) and/or (vi) and the use thereof |
| 06/09/2005 | CA2519056A1 Method for separating uranium (vi) from actinides (iv) and/or (vi) and the use thereof |
| 05/25/2005 | EP1341593B1 Method and device for filter backwashing |
| 04/28/2005 | WO2005037715A1 Dropping nozzle device, device for recovering dropping undiluted solution, device for supplying dropping undiluted solution, device for solidifying surface of droplet, device for circulating aqueous ammonia solution, and apparatus for producing ammonium deuterouranate particles |
| 04/27/2005 | EP1254076B1 Method and device for determining the evolution of a chemical reaction in a kiln and for adjusting the reaction |
| 02/16/2005 | EP0984903A4 Removal of technetium impurities from uranium hexafluoride |
| 12/16/2004 | US20040251123 Stratified discharge for dissociation of electronegative molecular gas |
| 11/04/2004 | US20040219080 Method and installation for carrying out a three phase chemical reaction under pressure |
| 10/05/2004 | US6800262 Without causing containment vessel corrosion; injecting gaseous chlorine into lower layer of cadmium to form cadmium chloride which rises into molten lithium potassium chloride holding uranium ingots in rotatable basket |
| 09/22/2004 | CN1168099C Ionic liquids as solvents |
| 08/03/2004 | CA2307975C Depleted uf6 processing plant and method for processing depleted uf6 |
| 07/28/2004 | EP1144701B1 Processing of uranium-bearing materials by fluorination followed by separation of uranium hexafluorides in a plasma reactor |
| 07/06/2004 | US6759027 Reduction of uranyl nitrate to uranous nitrate by hydrogen, in the presence of a catalyst made up of platinum on a silica carrier |
| 04/01/2004 | US20040060578 Method and device for filter backwashing |
| 03/31/2004 | CN1143824C Method and device for directly converting uranium hexafluoride into uranium oxide |
| 03/10/2004 | EP1137597B1 Preparation by spray-drying of a flowable uranium dioxide powder obtained by dry process conversion of uf 6? |
| 03/10/2004 | CN1481270A Method and device for filter backwashing |
| 12/02/2003 | US6656391 Aqueous suspension of a powder of UO2 |
| 10/16/2003 | US20030194044 Method for measuring lanthanide content dissolved in uranium oxide |
| 10/07/2003 | CA2090940C Process for the preparation of metal hydroxides |
| 09/10/2003 | EP1341593A1 Method and device for filter backwashing |
| 09/02/2003 | US6613303 Aqueous solution of a strontium 90 salt is united with a titanium, zirconium, and/or silicon compound being in a dissolved state and solution of ammonium salts of carbonic acid and/or organic acid; solvent expelled; calcined |
| 07/08/2003 | CA2222639C Metal and fluorine values recovery from fluoride salt matrices |
| 04/03/2003 | US20030064519 Method and apparatus for determining the progress of a chemical reaction in a furnace and for controlling the reaction |
| 12/19/2002 | US20020192124 Reacting depleted uranium fluoride with steam to produce uranium oxyfluoride and hydrogen fluoride, reacting uranium oxyfluride with steam producing uranium oxide; and HF and O2 by-products, cooling HF and reacting with calcium carbonate |
| 11/13/2002 | EP0764042B1 Fluid extraction |
| 11/06/2002 | EP1254076A1 Method and device for determining the evolution of a chemical reaction in a kiln and for adjusting the reaction |
| 09/25/2002 | EP0712379B2 The oxidation of uranium hexafluoride |
| 09/17/2002 | US6451274 A fluoride fixing reactor for forming calcium fluoride by allowing cooled hydrogen fluoride to contact calcium fluoride by allowing cooled hydrogen fluoride to contact calcium carbonate; and wherein the processing process comprises a dry |