Patents for C01G 43 - Compounds of uranium (1,053)
04/1986
04/29/1986US4585634 Process for the production of uranium trioxide having a large specific surface from hydrated uranyl nitrate
04/29/1986US4585627 Adsorption on titanium oxide, elution with carbonate
04/23/1986EP0178498A2 Process for the reduction of metal ions in aqueous solutions
04/22/1986US4584184 Separation and recovery of molybdenum values from uranium process waste
04/09/1986EP0177198A2 A method for the preparation of an amorphous metal oxide composite, and amorphous metal oxide composites, including catalysts, prepared thereby
04/01/1986CA1202489A1 Process for stripping uranium
03/1986
03/18/1986US4576802 Nitric acid, aluminum compound, complexing, multistage, agitation
03/11/1986CA1201597A1 Process for the extraction and separation of uranium, thorium and rare earths involving treatment of their aqueous chloride solutions
02/1986
02/25/1986US4572810 Method for providing uranium hydroxide on UO2 particles prior to generation of fugitive binder for sintering
02/25/1986US4572802 Extraction with diamides
02/19/1986EP0171704A1 Method for eluting a metal adsorbed on a chelating agent
02/04/1986US4568487 Oxidizing using metal nitrate melts extraction of uranyl nitrate using aqueous nitric acid
01/1986
01/21/1986US4565627 Filters for uranium, gold or silver
01/21/1986CA1199501A1 Recovery process of uranium
01/14/1986US4564690 Macrocyclic compounds
01/07/1986US4563335 Nuclear fuels
12/1985
12/31/1985CA1198576A1 Gaseous reduction of phosphoric acid
12/27/1985EP0165391A1 Process for converting into a usable form actinide ions contained in the solid residue resulting from the sulfate of organic radioactive wastes containing actinides
12/27/1985EP0106872B1 Method for obtaining uo3 of high specific surface from hydrated uranyl nitrate
12/03/1985CA1197382A1 Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution
11/1985
11/26/1985US4555318 Removal of fluoride impurities from UF6 gas
11/26/1985CA1197069A1 Method for preparing a sinterable uranium dioxide powder
11/12/1985CA1196501A1 Method for oxygen reduction in a uranium recovery process
11/05/1985CA1196186A1 Rotary kiln arrangements
10/1985
10/22/1985CA1195508A1 Liquid membrane process for uranium recovery
10/08/1985US4545964 Process for the preparation of porous products based on cobalt fluoride or lead fluoride
10/01/1985US4544531 Uranium hexafluoride purification process
10/01/1985CA1194320A1 Liquid membrane process for uranium recovery
09/1985
09/17/1985CA1193444A1 Process for stripping uranium from an alkyl pyrophosphoric acid
08/1985
08/28/1985EP0152500A1 Ion exchange resins containing post-deposited metal oxides
08/13/1985CA1191697A1 Process of precipitating uranium oxide from alkaline soda solutions by a reduction
08/13/1985CA1191696A1 Liquid membrane process for uranium recovery
07/1985
07/23/1985US4530823 Using fluidized bed
07/23/1985CA1190721A1 Process for producing u.sub.3o.sub.8 powder
07/17/1985EP0148707A2 Process and apparatus for the preparation of sinterable uraniumdioxide
06/1985
06/11/1985US4522794 For actinide oxides or fluorides
06/05/1985EP0143726A1 Process for the preparation of pulverulent metal oxides from aqueous solutions or solid mixtures of metal nitrates
05/1985
05/21/1985US4518569 Uranium dioxide-fission products, fluorine, uranium hexafluoride protective coating, shattering
04/1985
04/23/1985US4512939 Method for manufacturing oxidic sintered nuclear fuel bodies
04/23/1985CA1185766A1 Oxidation - flocculation solids removal from wet process phosphoric acid
04/10/1985EP0136448A2 Process for the preparation of mixed oxides of uranium-thorium and of uranium-plutonium soluble in nitric acid
03/1985
03/26/1985CA1184389A1 Purification treatment of a uranium bearing concentrate
03/26/1985CA1184388A1 Process for the recovery of a uranium-containing concentrate and phosphoric acid and uranium- containing concentrate and phosphoric acid obtained by this process
03/19/1985US4505882 Process for manufacturing uranium dioxide powder
03/12/1985CA1183688A1 Ion exchange recovery of uranium
02/1985
02/26/1985CA1182995A1 Method for manufacturing oxidic sintered nuclear fuel bodies
02/13/1985EP0132902A2 Recovery of uranium from wet process phosphoric acid by liquid-solid ion exchange
01/1985
01/29/1985US4496523 Solvent extraction by forming complex of acid, nitrogen compound, and metal
01/29/1985CA1181596A1 Reclamation process for water-borne uranium
01/22/1985CA1181242A1 Method of removing phosphorus impurities from yellowcake
01/08/1985CA1180535A1 Process for preparing high specific surface uo.sub.3 from hydrated uranyl nitrate
12/1984
12/25/1984US4490336 Process for stripping uranium from an alkyl pyrophosphoric acid
12/20/1984WO1984004912A1 Method for obtaining uranium from sea water
12/04/1984CA1178784A1 Uranium peroxide spherical particles having a good flowability and process for preparing the same
11/1984
11/20/1984US4483806 Process for the production of U3 O8 powder
11/20/1984CA1178045A1 Method for enlarging grain size of uranium oxide
10/1984
10/23/1984US4478804 Extracting with phosphoric and dithiophosphoric acids, stripping with ammonium or potassium fluorides
10/09/1984US4476101 Producing ammonium uranate in spherical particulate form
10/09/1984US4476098 Microwave heated fluidized bed reactor having stages
09/1984
09/25/1984USRE31687 Method of stripping solid particles
09/25/1984CA1174859A1 Process for recovering uranium as a peroxyde from an uranium ore treatment sulfuric solution
09/04/1984CA1173728A1 Method for removing adhering or dust-like deposits in systems handling uranium hexafluoride
08/1984
08/22/1984EP0116483A1 Process for recovering uranium, yttrium, thorium and rare earth metals from an organic phase
08/22/1984EP0116097A2 Method of recovering uranium
08/21/1984US4466944 Process for recovery of uranium from wet process H3 PO4
08/07/1984US4464345 Method of precipitating contaminants in a uranium leachate using ferri ions, complexing agent, and pH control
07/1984
07/31/1984CA1171637A1 Method for the preparation of uranium oxide powder
07/31/1984CA1171636A1 Process for reducing iron in phosphoric acid solution
07/24/1984US4461748 Using organophosphorus compounds
07/24/1984US4461746 Reduction of iron in a reductive stripping process for the recovery of uranium from wet process phosphoric acid
07/17/1984US4460549 Recovery of uranium from wet-process phosphoric acid
07/17/1984US4460547 Separating actinide ions from aqueous, basic, carbonate containing solutions using mixed tertiary and quaternary amino anion exchange resins
07/17/1984US4460522 Method of producing low density oxide fuel pellet
07/03/1984CA1170032A1 Method for improved decomposition of metal nitrate solutions
06/1984
06/13/1984EP0110789A1 Process for recovering actinides and/or lanthanides present in their trivalent state in an aqueous acidic solution
06/12/1984US4454097 Process of extracting both uranium and radium from uranium-containing ores
06/07/1984WO1984002124A1 Method for obtaining uo3 of high reactivity by thermal decomposition in solid form of hydrated uranyl nitrate
05/1984
05/23/1984EP0109327A1 Process for the complete recovery of uranium, yttrium, thorium and rare earth metals from a phosphate ore while preparing wet process phosphoric acid
05/09/1984EP0108015A2 Process for recuperating heavy metals from acid solutions
05/08/1984US4447403 Method for autoclave oxidation of ion species aqueous solutions
05/02/1984EP0106872A1 Method for obtaining uo3 of high specific surface from hydrated uranyl nitrate.
04/1984
04/24/1984US4444723 Denitration systems
03/1984
03/27/1984US4439402 Nuclear fuel conversion systems
03/20/1984US4438077 Two stage selective oxidative leach method to separately recover uranium and refractory uranium-mineral complexes
03/20/1984US4438050 Sintering uranium oxide with rare earth oxides
03/13/1984US4436704 Method of recovering uranium oxide from alkaline sodium uranyl carbonate solutions
03/13/1984CA1163447A1 Maintaining reductive strip efficiency in uranium recovery processes
02/1984
02/28/1984US4434139 Method for removing adhering or dust-like deposits in systems handling uranium hexafluoride
02/28/1984US4434138 Post-deposited zirconium and titanium compounds
02/22/1984EP0101395A1 Process for the dissolution of impure uranium tetrafluoride
02/21/1984US4432945 Removing oxygen from a solvent extractant in an uranium recovery process
02/21/1984US4432944 Ion exchange recovery of uranium
02/14/1984US4431580 Oxidation to the hexavalent uranium and plutonium oxides; ion exchanging using a cationic resin
02/07/1984US4430307 Soaps, surfactants, surface tension, nonmiscible, surfaces, injection
02/07/1984CA1161651A1 Process for preparing phosphates and a uranium- containing concentrate from wet-process phosphoric acid, as well as phosphates and uranium-containing concentrate obtained with application of this process
01/1984
01/24/1984US4427641 Decomposition of phosphate rock with sulfuric and phosphoric acids
01/24/1984US4427640 Separation of components free of each other
01/18/1984EP0098510A2 Method of selectively separating plutonium from uranium and other metals
01/10/1984CA1160058A1 Process of obtaining uranium and uranium compounds from phosphoric acid
11/1983
11/22/1983US4416860 Method and apparatus for recovering raw material, especially uranium, from natural waters, especially from the sea
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