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| Number | Title | Issue Date |
| 7994380 | Apparatus for transporting and/or storing radioactive materials having a jacket adapted to facilitate thermosiphon fluid flow A system, method and apparatus for transporting and/or storing radioactive materials, such as spent nuclear fuel. In one aspect, the invention is a jacket apparatus that is filled with a neutron absorbing fluid and adapted to facilitate a cyclical thermosiphon flow ... | 08/09/2011 |
| 7820870 | Apparatus, system and method for facilitating transfer of high level radioactive waste to and/or from a pool A method, apparatus and system for the transferring a container for receiving high level radioactive waste into and/or out of a pool. The instant invention utilizes a specially designed container in order to make effective use of a stand placed within the pool. In o... | 10/26/2010 |
| 7781637 | Segmented waste rods for handling nuclear waste and methods of using and fabricating the same Example embodiments and methods may provide segmented waste rods capable of containing and disposing of waste generated from spent nuclear fuel, including elements left over from fuel that has been harvested for desired isotopes produced in the fuel. Example methods... | 08/24/2010 |
| 7368091 | Cesium and strontium capsule disposal package A package and process of using the package for disposal of radioactive cesium and strontium waste capsules. The package comprises a standard Hanford vitrified high-level waste canister as an outer container, which is approximately filled with three components: the f... | 05/06/2008 |
| 7365237 | Liquid metal reactor and method for treating materials in a liquid metal reactor A target material (60) to be treated in a liquid reactant metal is loaded into a containment area defined within a liquid reactant metal treatment vessel (11). The containment area is then placed below the level (L) of the liquid reactant metal in the ... | 04/29/2008 |
| 7354544 | Method for manufacturing a long-term storage container A method for manufacturing a long-term storage container for storage of radioactive material to inhibit radioactive radiation therefrom, said container having a bottom and upright wall extending therefrom, the top of said container to be closed by a screw-on radioac... | 04/08/2008 |
| 7309807 | Method of containing radioactive contamination A method of controlling or containing radioactive contamination by providing a neutron absorbing material to a radioactive contamination site. Preferably the neutron absorbing material is present as a powder, granule, slurry or suspension, allowing the neutron absor... | 12/18/2007 |
| 7300641 | Method and device for capturing ruthenium present in a gaseous effluent The present invention relates to a method and a device for trapping ruthenium present in a gaseous effluent. The trapping method of the present invention comprises the use of an aqueous solution or slurry of an alkylene glycol polymer or an alkylene glycol copolymer... | 11/27/2007 |
| 7294375 | Cement composite, concrete, concrete cask and method of manufacturing concrete The invention provides a composite from which concrete featuring a sufficiently high heat resistance can be produced, as well as a high-safety sealed concrete cask having no opening (shielding defect) to offer high shielding performance that can prevent corrosion of... | 11/13/2007 |
| 7250119 | Composite materials and techniques for neutron and gamma radiation shielding This invention deals with multi-component composite materials and techniques for improved shielding of neutron and gamma radiation emitting from transuranic, high-level and low-level radioactive wastes. Selective naturally occurring mineral materials are utilized to... | 07/31/2007 |
| 7235802 | Packaging for the transport/storage of radioactive material The invention relates to a container (1) intended for transport/storage of radioactive materials, the container comprising a container body (2) and at least one handling device (8) mounted using attachment screws (38) in a base housing ( | 06/26/2007 |
| 7166758 | Foam and gel methods for the decontamination of metallic surfaces Decontamination of nuclear facilities is necessary to reduce the radiation field during normal operations and decommissioning of complex equipment. In this invention, we discuss gel and foam based diphosphonic acid (HEDPA) chemical solutions that are unique in that ... | 01/23/2007 |
| 7138799 | Method for measuring rotational speed of molecule of fullerenes Disclosed is a method for measuring the molecular rotation speed (the number of rotations or the rotation frequency) of a fullerene or a fullerene derivative in a relatively simple and inexpensive manner, for the evaluation of the fullerenes. The method comprises ha... | 11/21/2006 |
| 7091393 | Processes for immobilizing radioactive and hazardous wastes The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the waste. Each of the processes create a barrier against leaching and d... | 08/15/2006 |
| 7078581 | Encapsulation of waste A ceramic waste immobilizing material for the encapsulation of high level radioactive waste (HLW), e.g. resulting from the reprocessing of irradiated nuclear fuel. The ceramic waste immobilising material enables waste ions from at least fission products in irradiate... | 07/18/2006 |
| 7048888 | Automatic cover system for proximate analyzers and the like An apparatus is provided to automatically cover and uncover crucibles according to a predetermined procedure in a proximate analyzer. A series of crucibles mounted in a first carousel is heated in a furnace. A second carousel mounted above the first carousel holds c... | 05/23/2006 |
| 7019189 | Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds. The invention also provides borosil... | 03/28/2006 |
| 6977068 | Method for detection of fibrin clots A method for the detection of fibrin in a source, in particular the in vivo detection of a fibrin in a patient, the method comprising supplying to the source or patient an amount of a detectable reagent comprising a plurality of discrete particles, each of the parti... | 12/20/2005 |
| 6784444 | Containment and transportation of decommissioned nuclear reactor pressure vessels Apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container allows easier handling and packaging of machinery within plants where t... | 08/31/2004 |
| 6785355 | Method and system for manufacturing storage container for storing nuclear fuel A method for storing nuclear fuel in a container (10) including a concrete body and a fuel receiver embedded in the concrete body, comprises the steps of: providing formwork (62) for the concrete body and supporting the fuel receiver within the formwor... | 08/31/2004 |
| 6775955 | Method of packaging an object This invention relates to a method of strong/tight packaging an object in order to prepare it for shipping. Initially, a substrate is applied to an object to create a smooth surface adapted to receive a sprayable plastic thereon. Then, the sprayable plastic is spray... | 08/17/2004 |
| 6771731 | Device for storage of hazardous material A device (10) for storage of hazardous material, especially heat-producing hazardous material, such as radioactive spent nuclear reactor fuel, comprises a substantially cylindrical reinforced concrete body (12) and has an axially elongate storage space... | 08/03/2004 |
| 6734334 | Processes for immobilizing radioactive and hazardous wastes The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the waste. Each of the processes create a barrier against leaching and d... | 05/11/2004 |
| 6699439 | Storage container for radioactive material Spent fuel rods are stored in a container. In order to improve the retention capacity of the barriers for radioactive emitters (radionuclides), the spent fuel rods are embedded in a bulk fill of zeolite and/or activated charcoal.... | 03/02/2004 |
| 6696695 | Storage container for hazardous material A storage container for hazardous material, especially heat-generating hazardous material, comprises a central elongate, generally cylindrical concrete body having an elongate, sealable interior cavity for accommodating the hazardous material and a coolin... | 02/24/2004 |
| 6635796 | Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials A process for chemical fixation of radionuclides and radioactive compounds present in soils, solid materials, sludges and liquids. Radionuclides and other radioactive compounds are converted to low-temperature Apatite-Group structural isomorphs (general c... | 10/21/2003 |
| 6617484 | Containment and transportation of decommissioned nuclear reactor pressure vessels and the like Method and apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container is provided which allows easier handling and pack... | 09/09/2003 |
| 6489531 | Confinement of caesium and/or rubidium in apatitic ceramics The invention relates to the containment of caesium and/or rubidium, in particular 135 Cs and 137 Cs in an apatitic matrix of formula: Mt Cax Lny (PO4)6-u (SiO4)u X i... | 12/03/2002 |
| 6479021 | Advanced vitrification system pyrographite A device for improving waste vitrification in a disposable canister, the process for using the device, and the process for making the device. The disposable canister, also known as a module, has outer and inner containers with thermal insulation therebetw... | 11/12/2002 |
| 6291736 | Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials A process for chemical fixation of radionuclides and radioactive compounds present in soils, solid materials, sludges and liquids. Radionuclides and other radioactive compounds are converted to low-temperature Apatite-Group structural isomorphs (general c... | 09/18/2001 |
| 6211424 | Advanced vitrification system The AVS invention provides for an apparatus and process for its practice involving the vitrification of waste materials, such as nuclear waste, inside a disposable canister. The preferred embodiment of the process includes a canister having outer and inne... | 04/03/2001 |
| 6166284 | Container for radioisotopes The present invention is directed to a material-radioactive isotope combination, comprising a container made from a material and a radioactive isotope solution. The container is useful for the storage, shipment, or storage and shipment of the radioactive ... | 12/26/2000 |
| 6139222 | Method and apparatus for containment of or protection from hazardous or undesirable materials A method and apparatus for containing and protecting oblong and odd-sized objects with plastic sheeting that may form a cylindrical enclosure by pressure sealing extruded plastic profile fasteners located at opposing edges of the plastic sheet. The open e... | 10/31/2000 |
| 6046374 | Cellular grout radiation barrier A method for forming a radiation-absorbing barrier around a radioactive component by flowing a radiation-absorbing cement grout into a container which encloses the component. The radiation-absorbing cement grout comprises a cement slurry, a finished foam ... | 04/04/2000 |
| 6040491 | Method and apparatus handling radioactive waste material In a method and an apparatus for dewatering and containing radioactive, aqueous waste (44), the latter is introduced into a filtration container (12) and is ultimately disposed of in a disposable container structure (12, 48, 50), which comprises the filtr... | 03/21/2000 |
| 6023006 | Method of manufacturing compounds of the monazite type, doped or not doped with actinides and application to the packaging of radioactive waste high in actinides and in lanthanides The invention relates to a method of manufacturing compounds of the Monazite type, doped or not doped with actinides, to a method of packaging radioactive waste, high in actinides and in lanthanides by incorporating this waste in a confining matrix based ... | 02/08/2000 |
| 6006588 | System for containing and handling toxic gas and methods for containing and handling same A system, container, and methods are provided for containing and handling a toxic gas. The system preferably includes a first container having toxic gas stored therein and a second container including a base and a lid mounted to the base when in a closed ... | 12/28/1999 |
| 6008428 | Method and device for storing hazardous waste A device for the storage of hazardous waste, particularly radioactive waste, comprises a storage unit (10) comprised of an essentially cylindrical concrete body (11) having a central cavity for receiving a waste container (A) and passages for a flowing co... | 12/28/1999 |
| 5994608 | Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials A process for chemical fixation of radionuclides and radioactive compounds present in soils, solid materials,sludges and liquids. Radionuclides and other radioactive compounds are converted to low-temperature Apatite-Group structural isomorphs (general co... | 11/30/1999 |
| 5946639 | In-situ stabilization of radioactive zirconium swarf The method for treating ignitable cutting swarf in accordance with the present invention involves collecting cutting swarf in a casting mold underwater and injecting a binder mixture comprising vinyl ester styrene into the vessel to fill void volume; and ... | 08/31/1999 |
