Patents for C01G 43 - Compounds of uranium (1,053)
03/1994
03/09/1994CN1083547A Selective electrolysing uranium fluoride alloy or metallic mixture of same
03/03/1994DE4328606A1 Verfahren zur Herstellung fluorierter ethanischer Verbindungen Process for the preparation of fluorinated compounds ethanischer
02/1994
02/26/1994CA2104654A1 Process for the preparation of fluorinated ethanic compounds
02/16/1994EP0582598A1 Removal of radioactivity from zircon.
02/08/1994US5284605 Method of treating gas based on electrolytic fluorine containing uranium compounds
01/1994
01/25/1994CA1326348C Nuclear fuel pellet production process, including production and use of flowable and sinterable powders obtained directly by peroxide deposits
01/20/1994WO1994001190A1 Recovery of metal values from process residues
01/20/1994CA2139642A1 Recovery of metal values from process residues
01/05/1994EP0577533A1 Process for the selective electrofluoration of alloys or of metallic mixtures containing uranium
01/04/1994US5276103 Nitrile polymers reacted with hydroxylamine to form groups of imidedioxime or amidoxime
12/1993
12/15/1993CA2057849A1 Manufacturing process of sintered nuclear fuel pellets from compositions and hydrogen dioxide precipatation in an acid medium
11/1993
11/23/1993US5264196 Multichamber type fluid bed reaction apparatus and method
11/17/1993CN1022752C UO2 pellet fabrication process
11/10/1993CN1022679C U02 pellet fabrication process
09/1993
09/08/1993EP0559590A1 Process for obtaining metallic hydroxides
08/1993
08/24/1993US5238667 Heating in on-reactive atomosphere to evaporate water, heating higher to drive off hydrate, inducing anhygroscopicity, cooling
08/18/1993EP0556135A1 Process for the recovery and purification of very enriched uranium based metal alloy
08/18/1993CN1075338A Method for recovery and purification of high-concentration uranium-based alloy
06/1993
06/29/1993CA1319494C Method of solvent extraction and apparatus therefor
06/15/1993US5219540 Method of removing ruthenium contained in uranium-containing solutions
05/1993
05/18/1993US5211905 Uniform microstructure
05/04/1993US5207999 Generation of fluorine via thermal plasma decomposition of metal fluoride
03/1993
03/23/1993CA1314687C Process for preparation of uranium tetrafluoride
03/04/1993WO1993003997A1 Generation of fluorine via thermal plasma decomposition of metal fluoride
03/03/1993EP0529768A1 Uranium waste treatment process
03/01/1993CA2068068A1 Recovery of anhydrous hydrogen fluoride from depleted uranium
01/1993
01/26/1993US5181993 Process for converting ferrous ions to ferric ions
01/20/1993CN1068213A Removal of radioactivity from zircon
11/1992
11/17/1992US5164050 Method of obtaining uranium from oxide using a chloride process
10/1992
10/29/1992WO1992018985A1 Removal of radioactivity from zircon
09/1992
09/30/1992EP0506588A1 Process for treating gases resulting from the electrolytic production of fluor, which may contain uranium compounds
08/1992
08/18/1992US5139709 Process for converting uranyl compounds to UO2 via ADU
08/12/1992EP0498743A1 Process for the elimination of ruthenium from uranous solutions
08/12/1992EP0498138A1 Process for converting uranyl compounds to UO2 via ADU
07/1992
07/14/1992US5130001 Uranium isotope separation by continuous anion exchange chromatography
07/07/1992US5128112 Low temperature decomposition of organometallic intermediate
06/1992
06/24/1992EP0491635A1 Process for the manufacturing of sintered pellets of nuclear fuel, via solutions precipitated with hydrogen peroxide in an acidic medium
06/24/1992CN1062126A Nuclear fuel micro ball prepared by full gelatinizing method
06/17/1992CN1017041B Method of controlling crystal grain size of uranium dioxide
05/1992
05/12/1992US5112581 Method of separating uranium and plutonium from mixed solution containing uranium and plutonium
04/1992
04/08/1992CN1016159B Preparation method of uradium-dioxide power from uranium hexafluoride
03/1992
03/24/1992US5098677 Oxidation of actinides with hypochlorite and forming acetinide oxide nitrate used for disposal and storage
02/1992
02/25/1992US5091120 Process for obtaining uo2 fuel pellets from metallic u without producing any effluent
02/11/1992US5087606 Bismuth-containing superconductors containing radioactive dopants
01/1992
01/28/1992US5084253 Method of removing niobium from uranium-niobium alloy
12/1991
12/10/1991US5071516 Electrolytic oxidation and reduction
12/10/1991CA1292857C Process for producing uranium oxides
12/04/1991EP0459155A1 Bismuth-containing superconductor
12/03/1991US5069888 Formation of protective hydrate coating
11/1991
11/30/1991CA2034402A1 Bismuth-containing superconductor
11/19/1991US5066429 Nuclear Reactor Fuels
10/1991
10/16/1991CN1014319B Fluviating method for uranium saturated resin
09/1991
09/17/1991US5049351 Method and apparatus for determining enrichment of uranium dioxide powder
08/1991
08/27/1991CA1287969C Process to prepare soluble mixed oxydes in nitric acid from nitrate solutions
07/1991
07/30/1991US5035869 Process for reducing uranyl salt
07/02/1991CA1285372C Process for manufacturing uranium oxide powder
06/1991
06/12/1991EP0432109A1 Process for reducing uranyl salt
06/12/1991EP0432065A1 Process for manufacturing UO2 nuclear fuel pellets from Uranium metal, without production of any effluent
06/06/1991CA2031333A1 Process for producing uo2 combustible pellets from metallic u without effluent production
05/1991
05/21/1991US5017345 Method of producing uranium (IV) fluoride
05/14/1991US5015422 UO2 pellet fabrication process
04/1991
04/23/1991US5009817 Uranium dioxide production
02/1991
02/06/1991EP0411299A1 Process for passivating uranium oxides to control oxidation
01/1991
01/30/1991EP0410130A2 Method and apparatus for determining enrichment of uranium dioxide powder
01/16/1991EP0408468A1 Process for producing uranium from oxygen-containing uranium compounds by chlorination
01/15/1991US4985183 UO2 pellet fabrication process
12/1990
12/27/1990EP0404626A1 Method for treating hydrated green salt
11/1990
11/20/1990US4971734 Method of making nuclear fuel pellets, comprising producing and using pourable, frittable powders obtained directly by precipitation of peroxides
11/20/1990US4971729 Inorganic ion exchange material
11/06/1990US4968504 Recovery of scandium and uranium
10/1990
10/18/1990WO1990011826A1 Uranium adsorbent
10/16/1990US4963294 Method of preparing uranium dioxide powder from uranium hexafluoride
09/1990
09/11/1990CA1273805A1 Process for the production of a high purity uranium bearing concentrate from zirconium contaminated liquors
09/11/1990CA1273777A1 Conversion of uranium hexafluoride to uranium dioxide
07/1990
07/18/1990CN1043920A U02 pellet fabrication process
07/11/1990EP0377077A1 UO2 pellet fabrication process
06/1990
06/28/1990DE3841210A1 Process for preparing silicon tetrafluoride
06/26/1990USRE33243 Process for treating a metal oxide powder
06/13/1990DE3841222A1 Process for the parallel generation of silicon tetrafluoride and sulphur hexafluoride
06/13/1990DE3841218A1 Process for preparing highly pure silicon tetrafluoride
06/13/1990DE3841209A1 Process for preparing sulphur hexafluoride
05/1990
05/29/1990US4929430 Process for preparation of uranium tetrafluoride
05/08/1990US4923639 Method of processing plutonium and/or uranyl nitrate
04/1990
04/04/1990EP0362157A2 Process for converting ionic valence number and apparatus employed therefor
04/03/1990US4913884 Uranium-preextraction in zirconium/hafnium separations process
03/1990
03/28/1990CN1007344B Method of transfer uf6 to uf2
02/1990
02/28/1990EP0355438A2 Method for passivating uranium oxides to control oxidation, and the oxidation resisting uranium product thereof
02/07/1990CN1039397A Eluviating method for uranium saturated resin
01/1990
01/31/1990CN1006636B Method for convert from uranic fluoride to uranium dioxide
01/30/1990CA1264920A1 Preparation of powdered metallic oxides from metallic nitrates
01/17/1990EP0351334A1 Process for manufacturing nuclear fuel pellets comprising the production and the use of flowable and frittable powders directly obtained by precipitating peroxides
01/16/1990US4894209 Process for obtaining a uranium-bearing concentrate of high purity from liquors contaminated with zirconium
12/1989
12/13/1989CN1037879A Uo2 pellet fabrication process
12/13/1989CN1037878A Uo2 pellet fabrication process
12/12/1989CA1263811A1 Recovery of uranium from solutions
12/06/1989EP0344396A2 Uranium dioxide pellet production process
12/06/1989EP0344395A2 Uranium dioxide pellet production process
12/05/1989US4885147 Isothermal heating in carbon dioxide, sintering in reducing gas
11/1989
11/23/1989EP0342799A2 A method of solvent extraction and apparatus therefor
11/21/1989US4882100 Uo2 pellet fabrication process
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