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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7754167 | Method for separating trivalent americium from trivalent curium A method is disclosed for separating trivalent americium from trivalent curium, coming from an aqueous solution containing at least these cations, wherein, at an acid concentration of 0.01 mol/l-0.3 mogl/l, the aqueous solution is brought into contact with an organi... | 07/13/2010 |
| 7390934 | Apparatus and method for aiding in the removal of enriched uranium from soils A method and apparatus for removing uranium (IV) and uranium (VI) from sands and soils. The method and device assays a volume of soil and determines a presence and position of uranium enrichment. A concentration of uranium enrichment is determined, and compared to a... | 06/24/2008 |
| 7312251 | Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Stable rare earth tris (organophosphate) solutions comprise a rare earth tris (organophosphate) and a hydrocarbon solvent. From about 2% to about 10% rare earth element, preferably from about 3% to about 8%, is present in the solutions. The rare earth tris (organoph... | 12/25/2007 |
| 7282187 | Recovery of metal values A process for selectively extracting metal values, including, uranium, thorium, scandium and zirconium, from starting materials which include the metal values. The process is particularly well suited to extracting metal and recovering metal values from tantalum/niob... | 10/16/2007 |
| 7214318 | Method for separation of actinide elements A method for separation of actinide elements comprising feeding a solution containing actinide elements such as americium, curium, californium and the like, into a resin column in which a weakly basic primary, secondary or tertiary anion exchange resin obtained by r... | 05/08/2007 |
| 7192563 | Process for recovery of high purity uranium from fertilizer grade weak phosphoric acid A two-cycle countercurrent extraction process for recovery of highly pure uranium from fertilizer grade weak phosphoric acid. The proposed process uses selective extraction using di-(2-ethyl hexyl) phosphoric acid (D2EHPA) and tri-n-butyl phosphate (TBP) with refine... | 03/20/2007 |
| 7157061 | Process for radioisotope recovery and system for implementing same A method of recovering daughter isotopes from a radioisotope mixture. The method comprises providing a radioisotope mixture solution comprising at least one parent isotope. The at least one parent isotope is extracted into an organic phase, which comprises an extrac... | 01/02/2007 |
| 7157003 | Cyclic method for separating chemical elements present in an aqueous solution The invention concerns a cyclic method for separating at least one chemical element E1 from at least one chemical element E2 from an aqueous solution containing said elements, which employs a mixture of two extractants operating in non-overlapping chem... | 01/02/2007 |
| 7101822 | Method for decontaminating solid iodine filters The invention relates to a process for decontaminating solid iodine filters containing silver iodide, silver iodate and/or physisorbed molecular iodine. This process consists in placing the filter in contact with an aqueous solution of a reducing agent chosen... | 09/05/2006 |
| 7063792 | Method for separating metals such as zirconium and hafnium A method for separating a metal (a) from a metal (2), preferably zirconium from hafnium, which consists in dissolving said metals in an aqueous solution wherein said metals are in a state preventing them from passing through a nanofiltration membrane; treating the a... | 06/20/2006 |
| 7037482 | Solvent extraction of a halide from a aqueous sulphate solution A method of extracting a halide and sulphate from an aqueous sulphate solution, such as a zinc sulphate solution, comprises subjecting the solution to solvent extraction to extract halide and sulphate from the solution and controlling the amount of sulphate extracte... | 05/02/2006 |
| 6645453 | Solvent extraction process for recovery of uranium from phosphoric acid (25-55% P205) An improved process of extraction of uranium from phosphoric acid and in particular uranium VI from phosphoric acid especially strong phosphoric acid using a selective synergistic extractant mix of an organo-phosphorous acid and a neutral extraction agent... | 11/11/2003 |
| 6630114 | Calixarene derivatives, preparation method and use of said derivatives to extract antinides and lathanides The invention relates to new calixarenes according to the formula: ##STR1## wherein R1 and R2, which may be identical or different, are alkyl, alkoxy or aryl groups, and n is an integer equal to 2, 3 or 4. Said calixarenes may be used to ... | 10/07/2003 |
| 6623710 | Nuclear fuel reprocessing A spent fuel reprocessing method including the steps of partitioning U and Pu(III) in a solvent by solvent extraction and subsequently polishing the solvent in a neptunium rejection operation for removing Np therefrom. The solvent obtained from the neptun... | 09/23/2003 |
| 6504077 | Method for the decontamination of metallic surfaces A method of decontaminating a radioactively contaminated oxide on a surface. The radioactively contaminated oxide is contacted with a diphosphonic acid solution for a time sufficient to dissolve the oxide and subsequently produce a precipitate containing ... | 01/07/2003 |
| 6468445 | Solvent for the simultaneous recovery of radionuclides from liquid radioactive wastes The present invention relates to solvents, and methods, for selectively extracting and recovering radionuclides, especially cesium and strontium, rare earths and actinides from liquid radioactive wastes. More specifically, the invention relates to extract... | 10/22/2002 |
| 6436358 | Metals removal from spent salts A method and apparatus for removing metal contaminants from the spent salt of a molten salt oxidation (MSO) reactor is described. Spent salt is removed from the reactor and analyzed to determine the contaminants present and the carbonate concentration. Th... | 08/20/2002 |
| 6379634 | Ionic liquids as solvents A method of dissolving in an ionic liquid a metal in an initial oxidation state below its maximum oxidation state, characterized in that the ionic liquid reacts with the metal and oxidizes it to a higher oxidation state. The initial metal may be in the fo... | 04/30/2002 |
| 6312654 | Method of separating a trivalent actinide from a trivalent lanthanide and/or yttrium in aqueous solution The invention relates to a method of separating trivalent actinides from at least one trivalent lanthanide and/or yttrium, whereby the trivalent actinides are extracted from an aqueous solution containing a H+ concentration of 0.01 to 2 moles/l... | 11/06/2001 |
| 6312653 | Method for separating actinides and lanthanides by liquid-liquid extraction using calixarenes The invention involves a process for separating actinides and lanthanides by liquid-liquid extraction by means of calixarenes. These calixarenes have the formula: ##STR1## with R1 and R2 being alkyl groups or o-nitrophenoxy alkyl groups ... | 11/06/2001 |
| 6306355 | Method for separating actinides and lanthanides by membrane transport using a calixarene The invention involves the separation of actinides and lanthanides by membrane transport by means of a calixarene. To this end, a first aqueous solution containing at least one metal from the group of actinides and lanthanides to be separated is placed in... | 10/23/2001 |
| 6303090 | Conversion of depleted uranium hexafluoride to a solid uranium compound A process for converting UF6 to a solid uranium compound such as UO2 and CaF. The UF6 vapor form is contacted with an aqueous solution of NH4 OH at a pH greater than 7 to precipitate at least some solid uranium ... | 10/16/2001 |
| 6258333 | Method for the simultaneous recovery of radionuclides from liquid radioactive wastes using a solvent The present invention relates to solvents, and methods, for selectively extracting and recovering radionuclides, especially cesium and strontium, rare earths and actinides from liquid radioactive wastes. More specifically, the invention relates to extract... | 07/10/2001 |
| 6137027 | Solid waste treatment agent and treatment method of solid waste Disclosed herein are a solid waste treatment agent comprising phosphorous acid or a derivative thereof and/or hypophosphorous acid or a derivative thereof, or phosphorous acid or a derivative thereof and/or hypophosphorous acid or a derivative thereof, an... | 10/24/2000 |
| 6093375 | Nuclear fuel reprocessing A spent fuel reprocessing method includes at least the formation of an aqueous solution and at least one solvent extraction step. Formohydroxarmic acid is used to reduce any Np(VI) to Np(V) and/or to form a complex with Np(IV). As a result, substantially ... | 07/25/2000 |
| 5966584 | Method of separating trivalent actinides from trivalent lanthanides Trivalent actinides can be separated from trivalent lanthanides in aqueous solutions at H+ concentrations of 2 mol/l to 0.001 mol/liter by extraction with bis(aryl)dithiophosphinic acid and a synergist such as TBP, TOPO and TBPO in an organic ... | 10/12/1999 |
| 5866087 | Calixarene derivatives, their preparation process and their use for extracting actinides and lanthanides The invention relates to novel calixarenes of formula: ##STR1## in which m is equal to 0 or 1, n is an integer from 2 to 8, with 4ࣘn(m+1)ࣘ8, R1 and R2, which can be the same or different, are alkyl or O-nitrophenoxyalkyl gro... | 02/02/1999 |
| 5758255 | Opposite phase entrainment reduction in solvent extraction/electrowinning circuits by addition of water soluble cationic polymers A method of reducing the entrainment of aqueous mineral acid solutions in organic extractants used in the solvent extraction of metals from the aqueous fluid is disclosed. The method comprises adding an effective, entrainment prevention amount of a water ... | 05/26/1998 |
| 5708958 | Method of separating trivalent actinides and rare earth elements A method is provided for separating trivalent actinides and rare earth elements in the TRUEX method using a CMPO-TBP mixed solvent. The method of separating trivalent actinides and rare earth elements comprises a trivalent actinide/rare earth extraction s... | 01/13/1998 |
| 5702676 | Production method for obtaining pressable powder yielding high sinter density pellets without defects This invention provides an improved process of preparing UO2 powder from poor quality, partially oxidized powder containing organic and inorganic impurities. The process is illustrated in the flow chart of FIG. 1 which includes the steps of (a)... | 12/30/1997 |
| 5682593 | Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate Use of diethyl dodecylphosphonate (DEDP) for the extraction of acids and metal salts from aqueous solutions.... | 10/28/1997 |
| 5678242 | Membrane extraction with thermodynamically unstable diphosphonic acid derivatives Thermodynamically-unstable complexing agents which are diphosphonic acids and diphosphonic acid derivatives (or sulphur containing analogs), like carboxyhydroxymethanediphosphonic acid and vinylidene-1,1-diphosphonic acid, are capable of complexing with m... | 10/14/1997 |
| 5625862 | Aqueous biphasic plutonium oxide extraction process with pH and particle control A method for simultaneously partitioning a metal oxide and silica from a material containing silica and the metal oxide, using a biphasic aqueous medium having immiscible salt and polymer phases.... | 04/29/1997 |
| 5587142 | Method of dissolving metal oxides with di- or polyphosphonic acid and a redundant A method of dissolving metal oxides using a mixture of a di- or polyphosphonic acid and a reductant wherein each is present in a sufficient amount to provide a synergistic effect with respect to the dissolution of metal oxides and optionally containing co... | 12/24/1996 |
| 5585043 | Method of coextracting neptunium and plutonium In a method of coextracting neptunium and plutonium, a nitric acid solution containing a mixture of neptunium and plutonium is oxidized by irradiation of ultraviolet light. As a result, different valences of neptunium are adjusted all into the valence 6, ... | 12/17/1996 |
| 5500192 | Method of separating neptunium and plutonium In a method of separating neptunium and plutonium, a nitric acid solution containing a mixture of neptunium and plutonium is oxidized by irradiation of ultraviolet light in the presence of a reducing agent. As a result, different valences of neptunium are... | 03/19/1996 |
| 5468456 | Batch extracting process using magneticparticle held solvents A process for selectively removing metal values which may include catalytic values from a mixture containing same, wherein a magnetic particle is contacted with a liquid solvent which selectively dissolves the metal values to absorb the liquid solvent ont... | 11/21/1995 |
| 5463177 | Solvent extraction process The extraction process includes supplying solvent under gas pressure for introduction of the solvent adjacent the bottom of a vessel containing the sample. The vessel lies in a water bath and ultrasonic energy is applied to the bath and hence to the sampl... | 10/31/1995 |
| 5443731 | Process for extracting technetium from alkaline solutions A process for extracting technetium values from an aqueous alkaline solution containing at least one alkali metal hydroxide and at least one alkali metal nitrate, the at least one alkali metal nitrate having a concentration of from about 0.1 to 6 molar. T... | 08/22/1995 |
| 5437847 | Method of separating and recovering ruthenium from high-level radioactive liquid waste A method of recovering volatile ruthenium, which is separated and formed by constant potential electrolysis from high-level radioactive liquid waste discharged from the reprocessing step of spent nuclear fuel by purex process, in the form of stable solid.... | 08/01/1995 |
