Uranium Base Patents (Class 420/3)
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Patent number: 10787733Abstract: A device for forming coatings on surfaces of a component, band-shaped material, or tool, in which at least one wire-shaped or band-shaped material is used for forming the coating and that is/are connected to a direct electrical current source, wherein an electric arc is formed between wire-shaped materials or between one wire-shaped or band-shaped material and one anode or cathode, wherein wire-shaped or band-shaped material may be fed by means of a feed device; and melted and/or evaporated material of the wire-shaped or band-shaped material flows, by means of a gas jet of a gas or gas mixture, through an inlet into the interior of a chamber that can be heated to a temperature that is at least equal to the evaporation temperature of the at least one material used for the coating or of the material with the highest evaporation temperature, and the material(s) completely evaporates and exits through at least one opening present on the chamber and impinges on the surface to be coated of the component or tool forType: GrantFiled: September 17, 2015Date of Patent: September 29, 2020Assignee: THYSSENKRUPP STEEL EUROPE AG.Inventors: Slavcho Topalski, Thomas Stucky, Axel Zwick, Klaus Kratzenberg
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Publication number: 20140376351Abstract: A device including a near field transducer, the near field transducer including gold (Au) and at least one other secondary atom, the at least one other secondary atom selected from: boron (B), bismuth (Bi), indium (In), sulfur (S), silicon (Si), tin (Sn), hafnium (Hf), niobium (Nb), manganese (Mn), antimony (Sb), tellurium (Te), carbon (C), nitrogen (N), and oxygen (O), and combinations thereof erbium (Er), holmium (Ho), lutetium (Lu), praseodymium (Pr), scandium (Sc), uranium (U), zinc (Zn), and combinations thereof and barium (Ba), chlorine (Cl), cesium (Cs), dysprosium (Dy), europium (Eu), fluorine (F), gadolinium (Gd), germanium (Ge), hydrogen (H), iodine (I), osmium (Os), phosphorus (P), rubidium (Rb), rhenium (Re), selenium (Se), samarium (Sm), terbium (Tb), thallium (Th), and combinations thereof.Type: ApplicationFiled: June 24, 2014Publication date: December 25, 2014Inventors: Yuhang Cheng, Tong Zhao, Michael C. Kautzky, Ed F. Rejda, Kurt W. Wierman, Scott Franzen, Sethuraman Jayashankar, Sarbeswar Sahoo, Jie Gong, Michael Allen Seigler
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Publication number: 20130336833Abstract: The invention relates to a powder of an alloy based on uranium and molybdenum in a metastable ? phase, which is formed of particles which have an elongation index at least equal to 1.1, a non-zero closed porosity value and which are composed of grains having a molybdenum content, for which the variations within the same grain are of at most 1% by mass. It also relates to a method allowing preparation of this alloy powder as well as to the use of said powder for manufacturing nuclear fuels and targets for producing radioisotopes. Applications: Manufacturing of nuclear fuels, notably for experimental nuclear reactors; manufacturing of targets for producing radioisotopes, notably for the medical industry.Type: ApplicationFiled: December 23, 2011Publication date: December 19, 2013Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, UNIVERSITE DE RENNES 1Inventors: Jerome Allenou, Francois Charollais, Meryl Brothier, Xaviere Iltis, Olivier Tougait, Mathieu Pasturel, Henri Noel
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Patent number: 7187744Abstract: 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, while the molybdenum is depleted in the isotope 95-Mo. The thus obtained enhanced reactivity can have at least two advantages, depending on the exact use of the fuel element: a requirement for less uranium in the fuel and the use of the fuel elements during a longer period in the reactor.Type: GrantFiled: March 10, 2003Date of Patent: March 6, 2007Assignee: Urenco Nederland B.V.Inventors: Charles Adelbert Mol, Klaas Bakker
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Patent number: 6726876Abstract: A ternary alloy of uranium, referred to as stakalloy, having improved machinability is formed of niobium, vanadium and uranium. The ternary alloy is formed with the percent by weight of vanadium being between the gamma eutectoid (1.0 percent by weight vanadium) and the eutectic (4.5 percent by weight vanadium) compositions, and the niobium content being between 0.01 to 0.95 percent by weight and the balance being uranium. Stakalloy has different density, improved metallurgical properties, such as different hardness, machinability, and ballistic properties from other uranium alloys, making it useful as a structural alloy where high density and high strength are important.Type: GrantFiled: December 27, 2002Date of Patent: April 27, 2004Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Michael R. Staker
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Patent number: 5963777Abstract: Binary alloys of uranium and vanadium having high hardness and strength prepared by selectively adjusting both the composition of the alloy and the solutionization temperature between the gamma-eutectoid and the eutectic points.Type: GrantFiled: January 21, 1998Date of Patent: October 5, 1999Assignee: The United States of America as represented by the Secretary of the ArmyInventor: Michael R. Staker
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Patent number: 5651936Abstract: A chewing gum including sorbitol and method of making the same is provided. The chewing gum is created from a formulation that includes a composition that comprises a syrup solution of aqueous sorbitol, a plasticizing agent selected from glycerin, propylene glycol and mixtures thereof, and an anticrystallization agent comprising alditols other than sorbitol having a degree of polymerization (DP) of 1 or 2.Type: GrantFiled: November 3, 1995Date of Patent: July 29, 1997Assignee: Wm. Wrigley Jr. CompanyInventors: Michael A. Reed, Victor V. Gudas, Pamela M. Mazurek, Albert H. Chapdelaine, Robert J. Yatka, Lindell C. Richey, Marc A. Meyers
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Patent number: 5534360Abstract: An amorphous alloy containing uranium and a member selected from the group of N, P, As, Sb, Bi, S, Se, Te, Po and mixtures thereof; and use thereof for storage medium, light modulator or optical isolator.Type: GrantFiled: June 22, 1994Date of Patent: July 9, 1996Assignee: International Business Machines CorporationInventors: Richard J. Gambino, Michael W. McElfresh, Thomas R. McGuire, Thomas S. Plaskett
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Patent number: 5273711Abstract: A high strength and ductile depleted uranium alloy including two or three alloying elements, two of which are molybdenum and titanium, in which the total weight percent of all of the alloying elements makes up no more than 2% of the alloy weight, in which there is from 0.75 to 1.50 weight % molybdenum, and 0.30 to 0.70 weight % titanium.Type: GrantFiled: October 8, 1991Date of Patent: December 28, 1993Assignee: Nuclear Metals, Inc.Inventors: William T. Nachtrab, Nancy F. Levoy
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Patent number: 5261941Abstract: Alloys of tungsten and uranium and a method for making the alloys. The amount of tungsten present in the alloys is from about 55 vol % to about 85 vol %. A porous preform is made by sintering consolidated tungsten powder. The preform is impregnated with molten uranium such that (1) uranium fills the pores of the preform to form uranium in a tungsten matrix or (2) uranium dissolves portions of the preform to form a continuous uranium phase containing tungsten particles.Type: GrantFiled: November 25, 1991Date of Patent: November 16, 1993Assignee: The United States of America as represented by the United States Department of EnergyInventor: Haskell Sheinberg
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Patent number: 5112534Abstract: To increase the operating temperature of a reactor, the melting point and mechanical properties of the fuel must be increased. For an actinide-rich fuel, yttrium, lanthanum and/or rare earth elements can be added, as stabilizers, to uranium and plutonium and/or a mixture of other actinides to raise the melting point of the fuel and improve its mechanical properties. Since only about 1% of the actinide fuel may be yttrium, lanthanum, or a rare earth element, the neutron penalty is low, the reactor core size can be reduced, the fuel can be burned efficiently, reprocessing requirements are reduced, and the nuclear waste disposal volumes reduced. A further advantage occurs when yttrium, lanthanum, and/or other rare earth elements are exposed to radiation in a reactor, they produce only short half life radioisotopes, which reduce nuclear waste disposal problems through much shorter assured-isolation requirements.Type: GrantFiled: March 5, 1990Date of Patent: May 12, 1992Assignee: The United States of America as represented by The United States Department of EnergyInventors: Jerold Guon, LeRoy F. Grantham, Eugene R. Specht
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Patent number: 5035854Abstract: Alloys of uranium and tungsten and a method for making the alloys. The amount of tungsten present in the alloys is from about 4 wt % to about 35 wt %. Tungsten particles are dispersed throughout the uranium and a small amount of tungsten is dissolved in the uranium.Type: GrantFiled: April 2, 1990Date of Patent: July 30, 1991Assignee: The United States of America as represented by the United States Department of EnergyInventors: Paul S. Dunn, Haskell Sheinberg, Billy M. Hogan, Homer D. Lewis, James M. Dickinson
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Patent number: 5006306Abstract: Alloys such as U-6Nb are prepared by forming a stacked sandwich array of uraniun sheets and niobium powder disposed in layers between the sheets, heating the array in a vacuum induction melting furnace to a temperature such as to melt the uranium, holding the resulting mixture at a temperature above the melting point of uranium until the niobium dissolves in the uranium, and casting the uranium-niobium solution. Compositional uniformity in the alloy product is enabled by use of the sandwich structure of uranium sheets and niobium powder.Type: GrantFiled: September 6, 1990Date of Patent: April 9, 1991Assignee: The United States of America as represented by the United States Department of EnergyInventors: Cressie E. Holcombe, Walter G. Northcutt, Jr., David R. Masters, Lloyd R. Chapman
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Patent number: 4997477Abstract: Producing finely divided U.sub.3 Si by supercooling a melt of uranium and silicon at a high cooling rate of 10.sup.3 to 10.sup.7 .degree. C./sec.Type: GrantFiled: November 14, 1989Date of Patent: March 5, 1991Assignee: Korea Advanced Energy Research InstituteInventors: Il H. Kuk, Chang K. Kim, Chong T. Lee
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Patent number: 4968482Abstract: A uranium alloy having small additions of Ti and Nb shows improved strength and ductility in cross section of greater than one inch over prior uranium alloy having only Ti as an alloying element.Type: GrantFiled: February 23, 1990Date of Patent: November 6, 1990Assignee: The United States of America as represented by the United States Department of EnergyInventors: Gail M. Ludtka, Gerard M. Ludtka
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Patent number: 4966750Abstract: A uranium-base alloy consists essentially of the formula U.sub.bal --Ti.sub.x --W.sub.y, where x ranges from about 0.5 to 1.0 and y ranges from about 0.25 to 2.0. The alloy exhibits high strength, good ductility and high density and is especially suited for use in ballistic penetration cores.Type: GrantFiled: June 26, 1989Date of Patent: October 30, 1990Assignee: Allied-Signal Inc.Inventors: Jerry C. LaSalle, Ravi Batra, Donald T. Rorabaugh
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Patent number: 4959194Abstract: Alloys of uranium and tungsten and a method for making the alloys. The amount of tungsten present in the alloys is from about 4 wt % to about 35 wt %. Tungsten particles are dispersed throughout the uranium and a small amount of tungsten is dissolved in the uranium.Type: GrantFiled: March 28, 1989Date of Patent: September 25, 1990Assignee: The United States of America as represented by the United States Department of EnergyInventors: Paul S. Dunn, Haskell Sheinberg, Billy M. Hogan, Homer D. Lewis, James M. Dickinson
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Patent number: 4935200Abstract: A uranium-base alloy consists essentially of the formula U.sub.bal -Ti.sub.x -Hf.sub.y, where "x" ranges from about 0.5 to 1.0 and "y" ranges from about 0.5 to 5.0. The alloy exhibits high strength, good ductility and high density and is especially suited for use in ballistic penetrator cores.Type: GrantFiled: June 26, 1989Date of Patent: June 19, 1990Assignee: Allied-Signal Inc.Inventors: Jerry C. LaSalle, Ravi Batra, Donald T. Rorabaugh
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Patent number: 4814046Abstract: A process for removing transuranic elements from a waste chloride electrolytic salt containing transuranic elements in addition to rare earth and other fission product elements so the salt waste may be disposed of more easily and the valuable transuranic elements may be recovered for reuse. The salt is contacted with a cadmium-uranium alloy which selectively extracts the transuranic elements from the salt. The waste salt is generated during the reprocessing of nuclear fuel associated with the Integral Fast Reactor (IFR).Type: GrantFiled: July 12, 1988Date of Patent: March 21, 1989Assignee: The United States of America as represented by the United States Department of EnergyInventors: Terry R. Johnson, John P. Ackerman, Zygmunt Tomczuk, Donald F. Fischer
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Patent number: 4764228Abstract: A method for preparing highly hydrogen-reactive surfaces on metals which normally require substantial heating, high pressures, or an extended induction period, which involves pretreatment of said surfaces with either a non-oxidizing acid or hydrogen gas to form a hydrogen-bearing coating on said surfaces, and subsequently heating said coated metal in the absence of moisture and oxygen for a period sufficient to decompose said coating and cooling said metal to room temperature. Surfaces so treated will react almost instantaneously with hydrogen gas at room temperature and low pressure. The method is particularly applicable to uranium, thorium, and lanthanide metals.Type: GrantFiled: November 28, 1986Date of Patent: August 16, 1988Assignee: The United States of America as represented by the United States Department of EnergyInventor: Gary L. Silver
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Patent number: 4720370Abstract: A flat or curved plate structure, to be used as fuel in a nuclear reactor, comprises elongated fissionable wires or strips embedded in a metallic continuous non-fissionable matrix plate. The wires or strips are made predominantly of a malleable uranium alloy, such as uranium silicide, uranium gallide or uranium germanide. The matrix plate is made predominantly of aluminum or an aluminum alloy. The wires or strips are located in a single row at the midsurface of the plate, parallel with one another and with the length dimension of the plate. The wires or strips are separated from each other, and from the surface of the plate, by sufficient thicknesses of matrix material, to provide structural integrity and effective fission product retention, under neutron irradiation. This construction makes it safely feasible to provide a high uranium density, so that the uranium enrichment with uranium 235 may be reduced below about 20%, to deter the reprocessing of the uranium for use in nuclear weapons.Type: GrantFiled: October 25, 1985Date of Patent: January 19, 1988Assignee: The United States of America as represented by the United States Department of EnergyInventor: Armando Travelli
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Patent number: 4701225Abstract: The present invention relates to a process for the heat treatment of uranium alloy members.This process comprises at least one .gamma.-phase homogenization stage, followed by an induction heating stage and a hardening stage. The use of induction heating makes it possible to only heat the member and therefore modify the structure thereof at the surface. Thus, the hardness in the core and on the surface can optionally be adjusted by supplementary hardening and/or tempering stages.Application to the production of protective materials.Type: GrantFiled: September 16, 1986Date of Patent: October 20, 1987Assignee: Commissariat a l'Energie AtomiqueInventors: Jean-Michel Morey, Gilles Paradis
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Patent number: 4650518Abstract: There is proposed for the final storage of radioactive wastes a container made of an uranium alloy which compared to known containers made of uranium is less susceptible to corrosion and does not show any anisotropic thermal expansion at high temperatures. For this purpose, there is alloyed with uranium, which is preferably depleted, 5 to 15 wt. % molybdenum, 2 to 15 wt. % copper, 1 to 5 wt. % zirconium, 0.5 to 5 wt. % chromium, 0.5 to 2 wt. % nickel, 0.5 to 1.5 wt. % niobium, and 0 to 5 wt. % iron with the proviso that the total content of the alloying metals is 10 to 16% and the total of chromium, nickel, and niobium is at least 1.5%.Type: GrantFiled: December 14, 1984Date of Patent: March 17, 1987Assignee: Nukem GmbHInventors: Paul Arntzen, Hans Pirk, Horst Vietzke, Hans Wingender
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Patent number: 4208308Abstract: Described are derivatives of 2-oxabicyclo[2.2.2]octanes and precursors therefor. The oxabicyclooctanes are useful in perfumery.Type: GrantFiled: June 27, 1979Date of Patent: June 17, 1980Assignee: International Flavors & Fragrances Inc.Inventors: Mark A. Sprecker, Frederick L. Schmitt, Manfred H. Vock, Joaquin F. Vinals, Jacob Kiwala
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Patent number: H1184Abstract: A method for making uranium-tungsten alloy of high strength comprising raly chilling a molten solution of tungsten in uranium to form a ribbon. Subsequent to pulverizing and consolidation, heating effects a precipitation of tungsten in the uranium to effect significant strengthening. A strengthened uranium with 1/2-5%, by weight of tungsten is particularly useful for KE penetrators.Type: GrantFiled: August 12, 1991Date of Patent: May 4, 1993Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Ravi Batra, Sheldon Cytron, Jerry C. LaSalle