| Patents for C01G 43 - Compounds of uranium (1,053) |
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| 03/03/1999 | CN1042321C Method and equipment for preparing ceramic grade powder of uranium dioxide |
| 02/23/1999 | US5875385 Controlling hydrogen and oxygen contents of feed, controlling temperature of reactor |
| 01/21/1999 | DE19737794C1 Uranium mixed oxide separation |
| 01/13/1999 | CN1041620C Process for dissolving U3O8 with nitric acid |
| 11/26/1998 | WO1998052872A1 Removal of technetium impurities from uranium hexafluoride |
| 10/20/1998 | US5826163 Removal of technetium impurities from uranium hexafluoride |
| 09/30/1998 | EP0866772A1 Method for preparing a mixture of powdered metal oxides from nitrates thereof in the nuclear industry |
| 09/16/1998 | EP0713479B1 Method of obtaining uranium trioxide by directly heat denitrating uranyl nitrate |
| 07/28/1998 | US5787353 Fluorination of uranium oxide and/or uranyl fluoride; carbonylation of metallic nickel with carbon monoxide and a gaseous promoter |
| 07/23/1998 | WO1998031632A1 Method for the control of the composition and physical properties of solid uranium oxides |
| 07/16/1998 | WO1998030500A1 Multicomponent feed apparatus with preheater and mixer for a high temperature chemical reactor |
| 05/26/1998 | US5757087 Oxidation of uranium hexafluoride |
| 05/22/1998 | WO1998006106A3 Ionic liquids as solvents |
| 05/12/1998 | US5752158 Thermal process for the conversion of uranium hexafluoride |
| 04/28/1998 | US5745835 Process and apparatus for dissolving a mixture of oxides of uranium and of plutonium |
| 04/28/1998 | US5744116 Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride |
| 04/21/1998 | CA1339825C Process and installation for the preparation of uranium tetrafluoride |
| 04/21/1998 | CA1339824C Process and installation for the preparation of uranium ammonium fluoride |
| 04/08/1998 | EP0834177A1 Producing halogenated products from metal halide feeds |
| 04/08/1998 | EP0712380B1 Uranium oxide production |
| 03/24/1998 | US5730874 Extraction of metals using supercritical fluid and chelate forming legand |
| 03/18/1998 | EP0828689A1 Metal and fluorine values recovery from fluoride salt matrices |
| 03/05/1998 | WO1998008994A1 Apparatus and method for processing a sublimed material |
| 03/05/1998 | CA2262650A1 Apparatus and method for processing a sublimed material |
| 03/03/1998 | US5723837 Uranium hexafluoride purification |
| 03/03/1998 | US5723100 Conversion of uranium hexafluoride with steam, circulation and conveying with a uranium oxyfluoride intermediate |
| 02/12/1998 | WO1998006106A2 Ionic liquids as solvents |
| 02/12/1998 | CA2260969A1 Ionic liquids as solvents |
| 02/10/1998 | US5717149 Method for producing halogenated products from metal halide feeds |
| 12/30/1997 | US5702676 Production method for obtaining pressable powder yielding high sinter density pellets without defects |
| 12/16/1997 | US5698173 Oxidation; dissolving in nitric acid; filtration |
| 12/11/1997 | WO1997046483A1 Process to produce commercial grade anhydrous hydrogen fluoride (ahf) and uranium oxide from the defluorination of uranium hexafluoride (uf6) |
| 12/04/1997 | WO1997045371A1 Thermal process for the conversion of uranium hexafluoride |
| 12/04/1997 | CA2264613A1 Thermal process for the conversion of uranium hexafluoride |
| 11/20/1997 | WO1997043769A1 Fuel composition for fast-neutron reactors and method for preparing the same |
| 11/12/1997 | EP0649339B1 Improvements in or relating to rotary kilns |
| 10/15/1997 | EP0712379B1 The oxidation of uranium hexafluoride |
| 10/14/1997 | US5678167 Treating with aqueous nitric acid, ultraviolet rays |
| 09/23/1997 | CA2115576C Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 08/27/1997 | EP0764042A4 Fluid extraction |
| 07/31/1997 | WO1997027595A1 Fluorination |
| 07/09/1997 | EP0582598B1 Removal of radioactivity from zircon |
| 06/25/1997 | CN1152884A 流体萃取 Fluid Extraction |
| 06/19/1997 | WO1997021629A1 Method for preparing a mixture of powdered metal oxides from nitrates thereof in the nuclear industry |
| 06/18/1997 | CN1152260A Fluid extraction of metal and/or metalloid |
| 05/06/1997 | US5628048 Process for obtaining uranium trioxide by direct thermal denitration of uranyl nitrate |
| 04/09/1997 | EP0767465A1 Process and device for dissolving a mixture of oxides from uranium and plutonium |
| 03/26/1997 | EP0764042A1 Fluid extraction |
| 03/19/1997 | EP0762918A1 Fluid extraction of metals and/or metalloids |
| 03/04/1997 | US5607648 Producing uranium dioxide from uranium hexafluoride |
| 12/31/1996 | US5589140 Continuous denitration apparatus |
| 12/27/1996 | EP0598801B1 Generation of fluorine via thermal plasma decomposition of metal fluoride |
| 12/12/1996 | WO1996039703A1 Producing halogenated products from metal halide feeds |
| 12/05/1996 | WO1996038380A1 Metal and fluorine values recovery from fluoride salt matrices |
| 11/06/1996 | CN1134918A Method and equipment for preparing ceramics grade powder of uranium dioxide |
| 10/17/1996 | WO1996032729A1 Method of processing oxide nuclear fuel |
| 09/25/1996 | EP0733023A1 Uranium hexafluoride purification |
| 06/13/1996 | WO1996017802A1 Conversion of uranium fluorides to oxides and anhydrous hydrogen fluoride by reaction with sulphuric acid |
| 05/29/1996 | EP0713479A1 Method of obtaining uranium trioxide by directly heat denitrating uranyl nitrate |
| 05/22/1996 | EP0712380A1 Uranium oxide production |
| 05/22/1996 | EP0712379A1 The oxidation of uranium hexafluoride |
| 05/07/1996 | US5514306 Process to reclaim UO2 scrap powder |
| 04/09/1996 | US5505927 Reacting uranium metal with fluorine gas using insert particles to disperse metal particles and control heat of reaction |
| 03/13/1996 | CN1118337A Process for dissolving U3O8 with nitric acid |
| 02/20/1996 | US5492462 Oxidation of metallic uranium, followed by fluorination, sublimation, homogenation |
| 12/26/1995 | US5478538 Removal of radioactivity from zircon |
| 12/21/1995 | WO1995034508A1 Method of obtaining uranium trioxide by directly heat denitrating uranyl nitrate |
| 12/14/1995 | WO1995033689A1 Uranium oxide production |
| 12/14/1995 | WO1995033542A1 Fluid extraction |
| 12/07/1995 | WO1995032921A1 The oxidation of uranium hexafluoride |
| 11/22/1995 | EP0682806A1 Process for the treatment of particulate material |
| 10/05/1995 | WO1995026557A1 Uranium treatment |
| 08/23/1995 | CN1029578C Nuclear fuel microballoons prepn. by full gelatinization method |
| 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 |
| 06/20/1995 | US5425927 Hafnium dioxide purification |
| 06/15/1995 | WO1995015921A1 Uranium hexafluoride purification |
| 06/08/1995 | WO1995015566A1 Process for the treatment of particulate material |
| 05/23/1995 | US5417943 Method for producing UO2 or (U/PU)02 powder |
| 05/09/1995 | US5413682 Recovering ammonium fluoride from solution with ammonium hydroxide by electrolysis |
| 05/02/1995 | US5411722 By conversion to uranium oxide by heating first with hydrogen and then with oxygen |
| 04/26/1995 | EP0649339A1 Improvements in or relating to rotary kilns |
| 04/15/1995 | CA2099335A1 Selective electrofluoration process for uranium-based metallic alloys |
| 03/30/1995 | CA2132580A1 Urania-rare earth composition and articles formed therefrom |
| 02/21/1995 | US5391347 High density |
| 01/24/1995 | US5384017 Method of producing metal hydroxides |
| 01/04/1995 | CN1027254C Method for manufacturing of uranium di oxide pellets |
| 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 |
| 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 |
| 09/13/1994 | US5346684 Recovery of anhydrous hydrogen fluoride from depleted uranium hexafluoride |
| 08/23/1994 | US5340447 Process for the selective electrofluorination of alloys or metallic mixtures based on uranium |
| 06/28/1994 | US5324491 Enzymatic reduction and precipitation of uranium |
| 06/07/1994 | CA1329991C Process for separately recovering uranium and hydrofluoric acid from waste liquor containing uranium and fluorine |
| 04/20/1994 | CN1085538A Process for the preparation of fluorinated ethanic compounds |
| 04/06/1994 | EP0590411A2 Continuous denitration apparatus |
| 03/30/1994 | EP0589076A1 Process for the preparation of UO2 or U/PO2 powder |
| 03/22/1994 | US5295509 Pulse nozzle |