| Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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| 10/17/1996 | WO1996032729A1 Method of processing oxide nuclear fuel |
| 09/05/1996 | DE19607745A1 Quick, clean, simple processing of tungsten@ esp. thoriated tungsten scrap |
| 09/04/1996 | EP0729437A1 Metal and fluorine values recovery from mineral ore treatment |
| 08/27/1996 | US5550313 Treating with acid to form solution comprising dissolved materials and radioactive material-containing solids, separating solids, treating with second acid, precipitating, separating |
| 08/22/1996 | WO1996025526A1 Process for separating uranium, radium and arsenic from solutions of their compounds |
| 07/23/1996 | CA2008063C Hydrometallurgical leaching process and apparatus |
| 07/18/1996 | DE19505045C1 Verfahren zur Abtrennung von Uran, Radium und Arsen aus Lösungen ihrer Verbindungen Process for the separation of uranium, radium and arsenic from solutions of their compounds |
| 07/02/1996 | US5531970 Calcium fluoride sediments, complexing, reacting with acid, separating primary values of ta and nb from secondary values of u or th, solubilizing |
| 06/18/1996 | US5527378 Sintering in continuous flow of hydrogen which carries impurities away or reacts with them to form volatile products |
| 06/04/1996 | US5523514 Process for dissolving plutonium and/or other radioactive elements present in solid or liquid products |
| 05/30/1996 | WO1996015987A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/30/1996 | CA2205482A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/14/1996 | US5516968 Methods of decontaminating mercury-containing soils |
| 04/23/1996 | US5510091 Method of separating transplutonium elements from lanthanides in acidic solutions by solvent extraction |
| 04/23/1996 | US5510090 Stronger complexing with actinides(iii) makes possible thei separation from lanthanides(iii) |
| 03/21/1996 | WO1996008324A1 Method of decontaminating nuclear waste-containing soil |
| 03/21/1996 | WO1996008323A1 Methods of decontaminating soils containing hazardous metals |
| 03/21/1996 | DE4433413A1 Purificn. of metal-contaminated, sulphate-rich, acidic water |
| 03/21/1996 | CA2198386A1 Methods econtaminating soils containing hazardous substances |
| 03/21/1996 | CA2198385A1 Methods of decontaminating soils containing hazardous metals |
| 03/19/1996 | US5500192 Exposing a nitric acid solution containing neptunium, plutonium and a reducing agent to ultraviolet radiation and extracting solution using an organic phase to remove plutonium |
| 02/27/1996 | US5495062 Mixing liquid ammonia with contaminated soil in closed vessel, allowing soil particles to precipitate while forming upper phase of dispersed soil fines, separating phases, separating ammonia from soil fines containing nuclear waste |
| 02/27/1996 | US5494648 Process for removing thorium and recovering vanadium from titanium chlorinator waste |
| 02/06/1996 | US5489734 Treatng radioactive waste in a molten metal bath with separation reagent which reacts with radioactive component to form radioactive reaction product that separates from the nonradioactive component, forming a nonradioactive product |
| 01/09/1996 | US5482688 Plutonium dissolution process |
| 12/26/1995 | US5478539 Solvent extraction by complexing the metal oxyanion with a benzimidazole |
| 12/19/1995 | CA1337740C Process to separate transuranic elements from nuclear waste |
| 11/21/1995 | US5468456 Batch extracting process using magneticparticle held solvents |
| 10/31/1995 | US5463177 Solvent extraction process |
| 10/11/1995 | EP0676771A1 Nuclear fuel cycle |
| 10/10/1995 | CA1337243C Process for the recovery of metal values from an aqueous solution using imidazoles of a selected formula |
| 10/05/1995 | WO1995026557A1 Uranium treatment |
| 10/03/1995 | US5454914 Method of removal of heavy metal from molten salt in IFR fuel pyroprocessing |
| 09/14/1995 | WO1995024510A1 Leaching of titaniferous materials |
| 09/14/1995 | CA2185000A1 Leaching of titaniferous materials |
| 09/13/1995 | EP0670840A1 Bis-crown calix 4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides. |
| 08/31/1995 | WO1995023240A1 A process for extraction of uranium |
| 08/31/1995 | CA2213628A1 A process for extraction of uranium |
| 08/01/1995 | US5437848 Recovery of metal values from process residues |
| 07/11/1995 | US5431891 Process for the recovery and purification of a metal alloy based on highly enriched uranium |
| 06/29/1995 | WO1995017409A1 Diphosphine dioxides for removing actinides and phosphonium disalts for preparing same |
| 06/21/1995 | EP0652977A4 Treatment of titaniferous materials. |
| 06/21/1995 | CN1029014C Waterglass precipitate recovery process |
| 06/20/1995 | US5425927 Hafnium dioxide purification |
| 06/06/1995 | US5422268 Using Baceria |
| 06/06/1995 | US5422084 Process for dissolving plutonium dioxide by means of OH- radicals produced by the radiolysis of water usable for the treatment of dissolving fines and plutoniferous waste |
| 06/06/1995 | US5421855 Chlorinating uranium dioxide, reducing in bath of molten metal, reducing metal and chloride salt of reducing metal |
| 05/30/1995 | US5419880 Controlled acid-strong acid strip process |
| 05/26/1995 | WO1995013985A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/26/1995 | CA2175912A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/17/1995 | EP0652977A1 Treatment of titaniferous materials |
| 04/27/1995 | WO1995011509A1 Nuclear fuel cycle |
| 04/26/1995 | EP0649560A1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag. |
| 04/26/1995 | EP0649339A1 Improvements in or relating to rotary kilns |
| 04/15/1995 | CA2107921A1 Method and apparatus for the production of uranium |
| 02/14/1995 | US5389123 Method for continuously recovering metals using a dual zone chemical reactor |
| 01/31/1995 | US5385713 Contacting liquor with base to adjust pH, contacting at elevated temperature with aluminum hydroxide or aluminum sulfate |
| 01/24/1995 | US5384105 Radioactive, acid digestion |
| 01/24/1995 | US5384104 Oxidation, dissolving, neutralization and washing |
| 12/13/1994 | US5372794 Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels |
| 12/05/1994 | CA2124547A1 Process for the separation of uranium compound |
| 11/24/1994 | WO1994026405A1 Improvements in or relating to rotary kilns |
| 11/24/1994 | CA2139340A1 Improvements in or relating to rotary kilns |
| 11/15/1994 | US5364568 Metal tungsten oxide complex for storage of radioactive metals |
| 10/27/1994 | DE4313127A1 Process for simultaneous precipitation of uranium, arsenic and radium from mining effluence |
| 10/18/1994 | US5356605 Recovery of UO2 /Pu O2 in IFR electrorefining process |
| 10/11/1994 | US5354358 Dissolving in aqueous solution, organic solvent extraction, precipitation, separation |
| 09/28/1994 | CN1026016C Process for extracting scandium from ore |
| 06/21/1994 | US5322545 Method of producing uranium metal |
| 06/09/1994 | WO1994012502A1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 06/07/1994 | CA1329991C Process for separately recovering uranium and hydrofluoric acid from waste liquor containing uranium and fluorine |
| 06/07/1994 | CA1329990C Method for induction melting reactive metals and alloys |
| 06/01/1994 | EP0599509A1 Uranium carbonate extraction process |
| 05/17/1994 | CA1329486C Process for recovery of rare metals |
| 04/13/1994 | EP0592231A1 A method and apparatus for the production of uranium |
| 04/06/1994 | CN1084898A Treatment of titaniferous materials |
| 03/22/1994 | US5295509 Pulse nozzle |
| 03/01/1994 | US5290337 Pyrochemical processes for producing Pu, Th and U metals with recyclable byproduct salts |
| 02/17/1994 | WO1994003647A1 Treatment of titaniferous materials |
| 02/11/1994 | EP0649560A4 Process for selectively concentrating the radioactivity of thorium containing magnesium slag. |
| 02/02/1994 | CN1081530A Process for dissolving plutonium and/or other radioactive elements present in solid or liquid products and microwave heating apparatus for performing this process |
| 01/25/1994 | CA1326371C Oxidation process |
| 01/20/1994 | WO1994001527A1 Compounds and methods for separation and molecular encapsulation of metal ions |
| 01/20/1994 | WO1994001190A1 Recovery of metal values from process residues |
| 01/20/1994 | CA2139642A1 Recovery of metal values from process residues |
| 01/04/1994 | US5276103 Nitrile polymers reacted with hydroxylamine to form groups of imidedioxime or amidoxime |
| 12/28/1993 | US5273725 Concentrating radionuclide products by digesting with an aqueous solution of boric acid and a mineral acid; using a cation reactant to precipitate fluoride compounds |
| 12/01/1993 | CN1078923A Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels |
| 11/18/1993 | EP0516763A4 Deoxidation of a refractory metal |
| 11/10/1993 | EP0569265A1 Process for the dissolution of plutonium or other radioactive elements from solid or liquid products and microwave-powered heating device for carrying out the process |
| 10/26/1993 | US5256383 Process for the separation of actinides from lanthanides by the selective extraction of the actinides in an organic solvent incorporating a propane diamide |
| 10/05/1993 | US5250273 Recovering gold, uranium, copper, zinc, mickel and lead from ores, calcines |
| 09/30/1993 | WO1993019184A1 Biological process for recovery of plutonium from contaminated soils |
| 09/08/1993 | EP0559561A1 Process for the dissolution of plutonium dioxide with OH'radicals obtained by the radiolysis of water, usable for treating plutonium containing slimes and wastes |
| 09/08/1993 | EP0559537A1 Process for the separation of elements from aqueous solutions coming from the reprocessing of nuclear fuel |
| 09/04/1993 | CA2090812A1 Process for the separation of certain elements from aqueous solutions resulting from the reprocessing of spent nuclear fuels |
| 08/18/1993 | EP0556135A1 Process for the recovery and purification of very enriched uranium based metal alloy |
| 08/18/1993 | CN1075338A Method for recovery and purification of high-concentration uranium-based alloy |
| 07/20/1993 | US5229086 Solvent extraction |
| 06/29/1993 | US5223233 Cooling, filtration |