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| Number | Title | Issue Date |
| 7187744 | Method of providing a nuclear fuel and a fuel element provided by such a method A method for providing a nuclear fuel includes forming a uranium-molybdenum alloy that provides an enhanced reactivity in research, test and radioisotope production nuclear reactors. In this uranium-molybdenum alloy, the uranium is enriched in the isotope 235-U, whi... | 03/06/2007 |
| 7066872 | Method and apparatus for treating a desired area in the vascular system of a patient Apparatus and method are described for delivery of a treating element, such as a radiation source, through a catheter to a desired site in the vascular system of a patient, such as a coronary artery, for inhibiting the formation of scar tissue such as may occur in r... | 06/27/2006 |
| 6994688 | Catheter attachment and catheter for brachytherapy A catheter for the positioning of a radioactive material for therapeutic radiation treatment of the body is disclosed. The catheter includes a radioactive source positioned at the distal end thereof and is sufficiently flexible and strong to navigate in the body to ... | 02/07/2006 |
| 6875377 | Gamma radiation source A gamma radiation source comprising selenium-75 or a precursor therefore, wherein the selenium is provided in the form of one or more thermally stable compounds, alloys, or mixed metal phases. ... | 04/05/2005 |
| 6855270 | Nanoscintillation systems for aqueous-based liquid scintillation counting The present invention relates to the use of nanoscintillation systems, or nanoparticles containing fluor molecules, that can be used to detect an electron-emitting or alpha-particle-emitting radioisotope in the absence of organic-solvents commonly used in organic-ba... | 02/15/2005 |
| 6627908 | Radiation source assembly and connector press used in producing such assemblies A radiation source assembly and a connector press used in producing such assemblies. In the radiation source assembly, each of the cap connector and the female connector is provided with internal round threads on its pigtail fitting hole, thus engaging wi... | 09/30/2003 |
| 6489617 | Quality assurance flood source and method of making Disclosed is a is an improved flood source, and method of making the same, which emits an evenly distributed flow of energy from a gamma emitting radionuclide dispersed throughout the volume of the flood source. The flood source is formed by filling a bot... | 12/03/2002 |
| 6409943 | In-situ-generated solid radiation source based on Tungsten 188 /Rhenium 188 and use thereof A radiotheraputical source of Rhenium188 comprises metallic Tungsten188 or a metal oxide of Tungsten188. Therapeutic device using Rhenium188 comprise a radioactive source for the in situ generation of Rhenium | 06/25/2002 |
| 6379648 | Biodegradable glass compositions and methods for radiation therapy A nonradioactive glass in particulate form adapted for radiation therapy in a mammal comprise a biodegradable rare earth-lithium borate glass material of a specified composition which, upon being subjected to an effective amount of neutron irradiation, wi... | 04/30/2002 |
| 6235871 | Synthesis of oligoarylamines, and uses and reagents related thereto The transition metal-catalyzed amination of aryl halides, in conjunction with an orthogonal protective group scheme, forms the basis of two routes to oligoaniline precursors. The oligoaniline precursors are soluble in a variety of common organic solvents,... | 05/22/2001 |
| 5762907 | Frozen radiopharmaceutical formulations Radiopharmaceutical formulations for complexes comprising at least one radionuclide complexed with a ligand, or its physiologically-acceptable salts thereof, especially 153 samarium-ethylenediaminetetramethylenephosphonic acid, which optionally... | 06/09/1998 |
| 5494654 | Radiolabelled compound formulations Additives are proposed for compositions comprising radiolabelled organic compounds e.g. 32P-labelled nucleotides. Stabilisers are selected from tryptophan, para-aminobenzoate, indoleacetate and the azole group. Dyes are selected from Sulphorhodamine B, Xy... | 02/27/1996 |
| 5268129 | Layered mixed metal hydroxides for the stabilization of radioactive colloids A stabilized radionuclide-colloid composition useful in therapeutic radiation ablation therapies is disclosed. The composition contains a viscosity modifier layered mixed metal hydroxide and optionally an ion exchange medium to stabilize the radioactive c... | 12/07/1993 |
| 5219556 | Stabilized therapeutic radiopharmaceutical complexes A method of preparing a stable, therapeutic radiopharmaceutical composition comprised of an alpha- or beta-emitting radionuclide and a ligand by lyophilizing a solution of the complex. The radionuclide preferably has a half-life of at least twelve hours. ... | 06/15/1993 |
| 5135735 | Method of localizing and quantifying regional energy metabolism in a warm-blooded living being and composition therefor The invention relates to a method of localizing and quantifying regional energy metabolism, in particular regional ischemia, in a warm-blooded living being, comprising administering to said being a diagonstically effective quantity of a radiolabelled L-ho... | 08/04/1992 |
| 4961880 | Electrostatic voltage excitation process and apparatus Accelerated decay of radioactive materials is used for power production. In the method of this invention an alpha-emitting radioactive material is placed in a region. The region is selected so that when a negative potential is applied to the region, enhan... | 10/09/1990 |
| 4938798 | Sputtering target and process for preparing the same A high melting metal silicide sputtering target which comprises a fine texture whose stoichiometric composition grains of MSi2, where M represents a high melting metal, have a maximum grain size of 20 μm, whose free silicon grains have a maxim... | 07/03/1990 |
| 4929418 | Method of making a cathode from tungsten powder A cathode is made from tungsten powder using as an impregnant the product rmed from adding about 1 mole of a member selected from the group consisting of zirconium, zirconium dioxide, hafnium, hafnium dioxide, uranium, uranium dioxide, titanium, and titan... | 05/29/1990 |
| 4891164 | Method for separating and immobilizing radioactive materials A method is disclosed for separating and immobilizing a radioactive material comprising: contacting an aqueous medium containing said radioactive material with a reactive composition comprising at least one alkali metal, at least one Group IIIB metal and ... | 01/02/1990 |
| 4891165 | Device and method for encapsulating radioactive materials A capsule for encapsulating radioactive material for radiation treatment comprising two or more interfitting sleeves, wherein each sleeve comprises a closed bottom portion having a circumferential wall extending therefrom, and an open end located opposite... | 01/02/1990 |
| 4889660 | Radioluminescent light sources, tritium containing polymers, and methods for producing the same A radioluminescent light source comprises a solid mixture of a phosphorescent substance and a tritiated polymer. The solid mixture forms a solid mass having length, width, and thickness dimensions, and is capable of self-support. In one aspect of the inve... | 12/26/1989 |
| 4889707 | Composition and method for radiation synovectomy of arthritic joints Radioactive microspheres for radiation synovectomy of arithmetic joints in a mammal comprise a biodegradable glass material and a beta radiation emitting radioisotope chemically dissolved in and distributed substantially uniformly throughout the glass mat... | 12/26/1989 |
| 4861520 | Capsule for radioactive source A drivable radioactive source capsule is provided which comprises a tubular body containing therein a plurality of radioactive sources. The said tubular body has a first end and a second end which is a terminus of the tubular body. A plug has an elongated... | 08/29/1989 |
| 4857234 | Method for making a partitioning radioactive tracer A partitioning radioactive tracer material is prepared by reacting an alkali-metal salt of radioactive iodine with chloroethanol in the presence of activated carbon.... | 08/15/1989 |
| 4834916 | Apparatus for the dry storage of heat-emitting radioactive materials Apparatus is disclosed for the dry storage of heat-emitting radioactive waste materials. The latter are stored in tubes placed within a room having at least one cold air inlet and a hot air outlet. The distance between adjacent tubes and the distance betw... | 05/30/1989 |
| 4826961 | Method for preparing radiopharmaceutical complexes A method for preparing radiopharmaceutical complexes that are substantially free of the reaction materials used to produce the radiopharmaceutical complex is disclosed. The method involves admixing in a suitable first solvent in a container a target seeki... | 05/02/1989 |
| 4827493 | Radiographic source A radiography source, preferably a cobalt-60 source constructed of a plurality of radioactive cobalt-60 pellets contained in an open capsule preferably constructed of titanium. The pellets are disposed in the capsule and compacted therein to reduce the so... | 05/02/1989 |
| 4789501 | Glass microspheres A radioactive microsphere for radiation therapy of a mammal comprising a biologically compatible glass material containing a beta or gamma emitting radioisotope distributed substantially uniformly throughout the glass. Advantageously, the radioisotope is ... | 12/06/1988 |
| 4707322 | Beryllium-7 labeled carbon particles and method of making Beryllium-7 labeled carbon particles made from the proton irradiation of carbon materials, preferably from dry carbon black are disclosed. Such particles are useful as gamma emitting radiotracers.... | 11/17/1987 |
| 4430258 | Method of producing liquid equivalent solid gamma ray calibration standards Method of producing liquid equivalent solid gamma ray calibration standards comprising the steps of adding a first organic solvent to a calibrated aqueous solution of radioactive material, either in the form of a single isotope or mixed isotopes, to form ... | 02/07/1984 |
| 4411881 | Composition and method for stabilizing radiolabeled compounds using thiocarbonylated diethylenetriamines A stabilized composition comprising a solution of a radiolabeled compound and a diethylenetriamine is described. Preferred diethylenetriamines include, N,N-bis(2-aminoethyl) dithiocarbamic acid, di(2-dithiocarbamyl-ethyl) amine, and salts thereof.... | 10/25/1983 |
| 4406697 | Radioactive 57 Co source A radioactive 57 Co source consists of the intermetallic composition CoSb3 which emits an energetically non-disintegrated 14.4 KeV line. This composition is strictly stoichiometrical and may be dissolved in excess Sb. The atom percen... | 09/27/1983 |
| 4362659 | Fixation of radioactive materials in a glass matrix This invention relates to radioactive materials which are fixed, stored, entrapped, encapsulated, or otherwise rendered immobile in a glass matrix for extremely long periods of time. Radioactive material such as radioactive wastes are incorporated into a ... | 12/07/1982 |
| 4252668 | Process for preparation of potassium-38 A solution of potassium-38 suitable for use as a radiopharmaceutical and a method for its production. Argon is irradiated with protons having energies above the threshold for the 40 Ar(p,3n)38 K reaction. The resulting potassium-38 i... | 02/24/1981 |
| 4197170 | Radiation sources and process The invention relates to radiation sources comprising a substrate having an electrically-conductive non-radioactive metal surface, a layer of a metal radioactive isotope of the Scandium group, which in addition to scandium, yttrium, lanthanum and actinium... | 04/08/1980 |
| 4124525 | Process for working up uranium-thorium wastes There is provided a process for working up and returning without lost waste into the process of casting kernels of uranium-thorium oxide by dissolving the wastes in a nitric acid-hydrofluoric acid mixture and neutralizing the strongly acid solution before... | 11/07/1978 |
| 4033884 | Calibration source A Flood Source for calibration of gamma-cameras comprises the nuclide Tellurium-123m in a solution contained uniformly within a liquid-retaining plastics sheet of uniform thickness. The plastics sheet may be enclosed in a protective metallic casing.... | 07/05/1977 |
| 4018561 | Apparatus for extraction of polonium - 210 from irradiated bismuth using molten caustic An extraction apparatus for removing polonium-210 from irradiated bismuth by a pyrochemical extraction process comprises a melting chamber suitable for melting irradiated bismuth, a reservoir for melted bismuth, an extraction chamber suitable for holding ... | 04/19/1977 |
| 4016095 | Source of ionizing radiation An ionizing radiation source comprising a molded and hardened composition based on a phenol-formaldehyde resin and a radioactive material molecularly or ionically dispersed in the resin.... | 04/05/1977 |
| 3997466 | Metallic foil coated with scandium tritide for use as a beta particle source in an ionization detector at high temperatures and method of manufacture A metallic foil coated with scandium tritide is treated so as to manifest a legally acceptable tritium emanation rate at temperatures above 225° C, thereby becoming usable as a beta particle emitter is ionization detectors such as electron capture detect... | 12/14/1976 |
