| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 252625000 | RADIOACTIVE COMPOSITIONS | 26 |
| 20080224106 | PROCESS FOR TREATING COMPOSITIONS CONTAINING URANIUM AND PLUTONIUM - Process for treating compositions containing uranium and plutonium, including spent nuclear fuel, are provided. | 09-18-2008 |
| 20080283805 | Marked Inorganic Additives - The subject matter of the present invention is marked inorganic additives, a method for their production and also their use. | 11-20-2008 |
| 20100243972 | METHOD FOR THE PREPARATION OF REACTIVE [18] F FLUORIDE - The present invention is related to a method to obtain reactive [18F] fluorides in an organic medium suitable for radiolabelling without any azeotropic evaporation step, by the use of a solid phase extraction column containing a modified non-ionic solid support. | 09-30-2010 |
| 20110062397 | ACTINIDE/BERYLLIUM NEUTRON SOURCES WITH REDUCED DISPERSION CHARACTERISTICS - Neutron source comprising a composite, said composite comprising crystals comprising BeO and AmBe | 03-17-2011 |
| 20130009120 | RADIOACTIVE MATERIAL HAVING ALTERED ISOTOPIC COMPOSITION - Manufacturing a gamma radiation source includes providing an unacceptable material that is a combination of acceptable and unacceptable isotopes, transforming the unacceptable material into an acceptable material by removing unacceptable isotopes from the unacceptable material, leaving only acceptable isotopes, mixing selenium-74 and the acceptable material and heating the mixture to cause the constituents to inter-react and subsequently subjecting the reaction product to irradiation to convert at least a proportion of the selenium-74 to selenium-75. Manufacturing a gamma radiation source may also include adding at least one other acceptable material to the mixture. The at least one other acceptable material may be added to the mixture prior to heating the mixture. The unacceptable material may be selected from the group consisting of: Zinc, Titanium, Nickel, Zirconium, Ruthenium, Iron, Silver, Indium, Thallium, Samarium, Ytterbium, Germanium, and Iridium. | 01-10-2013 |
| 20130075677 | METHOD OF MAKING NANOSTRUCTURED GLASS-CERAMIC WASTE FORMS - A waste form for and a method of rendering hazardous materials less dangerous is disclosed that includes fixing the hazardous material in nanopores of a nanoporous material, reacting the trapped hazardous material to render it less volatile/soluble, and vitrifying the nanoporous material containing the less volatile/soluble hazardous material. | 03-28-2013 |
| 20130087748 | HETERONUCLEAR RADIOISOTOPE NANOPARTICLE OF CORE-SHELL STRUCTURE AND PREPARATION METHOD THEREOF - Heteronuclear radioisotope nanoparticle of core-shell structure and a preparation method thereof are provided. The Heteronuclear radioisotope nanoparticle of core-shell structure comprising core of two different radioisotopes selected from a group consisting of | 04-11-2013 |
| 20140191169 | Enhanced Alpha Particle Emitter - A composition of matter that experiences an increase rate of radioactive emission is presented. The composition comprises a radioactive material and particles having affinity for Hydrogen or its isotopes. When exposed to Hydrogen, the composition's emission rate increases. Methods of production are also presented. | 07-10-2014 |
| 20150053902 | PACKAGING OF RADIOACTIVE WASTE BY CEMENTING - Using crystalline silica, mixed with cement powder, to reduce the heating of the cement paste caused by the hydration of said powder, during a process of packaging of radioactive waste, a formulation for the packaging of radioactive waste by cementing, which comprises such silica, a method for packaging radioactive waste implementing this formulation, and a package for packaging of radioactive waste which is obtained by this method. | 02-26-2015 |
| 20150302943 | SOLIDIFIED BODY OF RADIOACTIVE WASTE AND PRODUCTION METHOD THEREOF - Provided is a technique for solidifying radioactive waste, which enables stable final disposal of a large amount of radioactive waste with a simple process. | 10-22-2015 |
| 252634000 | In form of sol solution or gel | 1 |
| 252635000 | Including production of solid particles by chemical reaction | 1 |
| 20100301287 | Process for Treating Spent Nuclear Fuel - Process for treating spent nuclear fuel (SNF) to make mixed metal oxides of UO | 12-02-2010 |
| 252636000 | Nuclear reactor fuel | 11 |
| 20100123107 | METHOD AND COMPOSITION FOR MODERATED NUCLEAR FUEL - A nuclear fuel composition includes a transuranic fuel and a neutron moderator mixed with transuranic fuel. The neutron moderator includes at least one of hafnium or zirconium. | 05-20-2010 |
| 20100219385 | FUSION FUEL CONTAINER AND REACTANT SPIN-ENHANCEMENT - Fusion fuel container and reactant spin-enhancement for optimized fusion probability is disclosed. The enclosed nuclei in a cage-like molecule can include, for example, deuterium and tritium, and the cage-like molecule may be, for example, a fullerene molecule. A fusion reaction to consume the fusion fuel may be ignited, for example, via compression methods including chemical or laser. | 09-02-2010 |
| 20100314592 | METHOD FOR PROCESSING NUCLEAR FUELS CONTAINING SILICON CARBIDE AND FOR DECLADDING NUCLEAR FUEL PARTICLES - The present invention relates to a method for processing a nuclear fuel comprising a fissile material, SiC and possibly carbon, said method comprising the contacting of said fuel with a chlorine/oxygen mixture at a temperature below 950° C., and more particularly at a temperature between 400 and 900° C., so as to remove the SiC, and the carbon if this is present, from said fuel. The method of the invention makes it possible for example to declad TRISO or BISO nuclear fuel particles, i.e. particles enabling the nuclear fuel to be confined in a sheath or cladding, or to remove an SiC matrix from a fuel having a heterogeneous SiC matrix. The present invention therefore has many applications, especially in the reprocessing of irradiated nuclear fuels. | 12-16-2010 |
| 20110024704 | Compositions and Methods for Treating Nuclear Fuel - Compositions are provided that include nuclear fuel. Methods for treating nuclear fuel are provided which can include exposing the fuel to a carbonate-peroxide solution. Methods can also include exposing the fuel to an ammonium solution. Methods for acquiring molybdenum from a uranium comprising material are provided. | 02-03-2011 |
| 20160125967 | COMPOSITION ENABLING CONTROL OVER NEUTRALIZING RADIOACTIVITY USING MUON SURROGATE CATALYZED TRANSMUTATIONS AND QUANTUM CONFINEMENT ENERGY CONVERSION - A binding reaction creates transient, elevated effective mass electron quasiparticles as surrogates for a heavier muon, to cause muon-catalyzed fusion transmutations with the surrogates and creates a composition of matter that enables neutralizing certain radioactive waste nuclei. Tailoring a junction of a device enhances the control of the surrogate's transient effective mass. | 05-05-2016 |
| 252637000 | Actinide having nonactinide component | 5 |
| 252638000 | Oxide component | 3 |
| 20090184298 | PROCESS FOR REPROCESSING A SPENT NUCLEAR FUEL AND OF PREPARING A MIXED URANIUM-PLUTONIUM OXIDE - A process for reprocessing a spent nuclear fuel and for preparing a mixed uranium-plutonium oxide. The process: a) separates the uranium and plutonium from fission products, americium, and curium that are present in an aqueous nitric solution resulting from dissolution of the fuel in nitric acid, the separating including at least one operation of coextracting the uranium and plutonium from the solution by a solvent phase; b) partitions the coextracted uranium and plutonium to a first aqueous phase containing plutonium and uranium, and a second aqueous phase containing uranium but no plutonium; c) purifies the plutonium and uranium that are present in the first aqueous phase; and d) coconverts the plutonium and uranium to a mixed uranium/plutonium oxide. | 07-23-2009 |
| 20100301288 | PREPARATION OF NUCLEAR FUEL COMPOSITION AND RECYCLING - A composition is prepared by heating particles of a nuclear fuel material in a metal salt that decomposes below 1000° C. to form a metal oxide. Magnesium nitrate hexahydrate is an example of such a metal salt. A resulting composition includes the particles homogeneously dispersed in a matrix of magnesium oxide. After the composition is used in a nuclear reactor, the now spent composition is removed, cooled, and the matrix is dissolved away from the spent particles, which can be reused in another nuclear fuel composition. The recovered fuel particles also contain some fission products that provide a radiation barrier that discourages theft of the recovered fuel particles. | 12-02-2010 |
| 20130240805 | Uranium Dioxide Nuclear Fuel Containing Mn and Al as Additives and Method of Fabricating the Same | 09-19-2013 |
| 252639000 | Carbon containing component | 1 |
| 20150097147 | COMPOSITION FILLED WITH ACTINIDE POWDER AND AROMATIC POLYMER AND/OR PMMA - A composition filled with actinide powder, comprising an organic matrix and an actinide powder or a mixture of actinide powders, comprises at least: a plasticizer comprising an alkane whose longest radical chain comprises at least a few tens of carbon atoms and is in a volume content of between 20% and 70% of the total volume of the organic compounds alone; a binder comprising at least one aromatic polymer and/or polymethyl methacrylate and which is in a volume content of between 20% and 50% of the total volume of the organic compounds alone; a dispersant comprising a carboxylic acid or salts thereof, the volume content of which is less than 10% of the total volume of the organic compounds alone; said actinide powder or said mixture of actinide powders represent between 40% and 65% of the volume of the filled matrix. | 04-09-2015 |
| 252640000 | Free metal or metal compound component | 1 |
| 20110108783 | MOLTEN SALT FUELS WITH HIGH PLUTONIUM SOLUBILITY - The present invention includes a composition of LiF—ThF | 05-12-2011 |
| 252643000 | Actinide oxides only | 1 |
| 20110127473 | METHOD OF REMOVING THE POLYMER ENCAPSULATING A NUCLEAR FUEL PELLET - Method for removing the epoxy and/or phenolic polymer encapsulating a nuclear fuel pellet comprising uranium dioxide UO | 06-02-2011 |
| 252644000 | As a source of radiation or heat | 3 |
| 20090173921 | Conductive heating by encapsulated strontium source (Chess) - The present invention deals with the encapsulation of a nuclear source of energy (Strontium 90) in order to generate up to 600 degree Celsius. The encapsulated Strontium 90 is destined to be used to generate steam, or to liquefy the viscous oil of wells, as well as the paraffin, covering the cables used in the extraction of oil, which makes the extraction difficult or impossible. The encapsulated Strontium 90 has to be transported into a metal housing already patented by Ioan G. Crihan, one of the undersigned authors ( | 07-09-2009 |
| 252645000 | For tracing, tagging, or testing | 2 |
| 20110073815 | Gamma radiation source - One gamma radiation source comprises | 03-31-2011 |
| 20120267585 | VOLUME-LABELED NANOPARTICLES AND METHODS OF PREPARATION - Compositions comprising nanosized objects (i.e., nanoparticles) in which at least one observable marker, such as a radioisotope or fluorophore, is incorporated within the nanosized object. The nanosized objects include, for example, metal or semi-metal oxide (e.g., silica), quantum dot, noble metal, magnetic metal oxide, organic polymer, metal salt, and core-shell nanoparticles, wherein the label is incorporated within the nanoparticle or selectively in a metal oxide shell of a core-shell nanoparticle. Methods of preparing the volume-labeled nanoparticles are also described. | 10-25-2012 |
| 252646000 | Luminescent | 1 |
| 20120153243 | Neutron Scintillating Materials - Neutron scintillating materials are provided, including boron substitution scintillation materials, boron and Li substitution scintillation materials, and Gd-based substitution scintillation materials. | 06-21-2012 |
