| Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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| 08/19/1986 | CA1209808A1 Process for extracting uranium from phosphoric acids using alkylpyrophosphoric acids |
| 08/12/1986 | US4605504 Industrial waste purification |
| 08/12/1986 | CA1209344A1 Selective purification of arsenic in the course of oxydation by a carbonated liquor of a uraniferous mineral containing arsenic |
| 07/29/1986 | CA1208443A1 Direct acid elution of anionic exchange resins for recovery of uranium |
| 07/22/1986 | US4601889 Adsorption by an acrylic polymer, uranium from seawater |
| 07/15/1986 | CA1207628A1 Insoluble chelating compositions |
| 07/08/1986 | US4599221 Reduction with iron, elution, precipitation |
| 06/18/1986 | EP0184677A1 Process for the preparation of uranium and/or plutonium from a nitric or sulfuric solution |
| 06/17/1986 | CA1205982A1 Liquid-liquid extraction with micro-emulsions of substances dissolved in water |
| 05/28/1986 | EP0182726A1 Process for the recovery in its tetravalent form of uranium when extracted from phosphate solutions using an addition of metallic ions |
| 05/27/1986 | US4591488 Forming nitrato complexes of plutonium and uramium and sulfato complexes of plutonium and uranium oxide |
| 05/27/1986 | US4591382 Process and apparatus for recovering and purifying uranium scrap |
| 05/21/1986 | EP0181827A1 Process for winning uranium in a tetravalent fluoride form from phosphate solutions |
| 05/06/1986 | US4587232 Titanium oxide, sintering |
| 05/06/1986 | US4587107 With jojoba oil |
| 05/06/1986 | US4587106 Liquid-liquid extraction with the aid of microemulsions of substances dissolved in water |
| 05/06/1986 | US4587034 Chelate agents for extraction of heavy metals |
| 05/06/1986 | US4586752 Solution mining process |
| 04/29/1986 | US4585627 Adsorption on titanium oxide, elution with carbonate |
| 04/29/1986 | US4585626 Process for making into useful products the uranium and rare earths contained in impure UF4 resulting from the extraction of uranium from phosphoric acid |
| 04/22/1986 | US4584184 Separation and recovery of molybdenum values from uranium process waste |
| 04/22/1986 | CA1203387A1 Rejuvenation of the anion exchanger used for uranium recovery |
| 04/15/1986 | US4582688 Process for recovery of mineral values |
| 04/15/1986 | CA1203082A1 Purification process for aqueous uraniferous solutions containing zirconium and/or hafnium among other impurities |
| 04/15/1986 | CA1203081A1 Process for the separation and recovery of molybdenum and uranium from leach solution using ion exchange |
| 04/01/1986 | CA1202490A1 Alloy remelting process |
| 04/01/1986 | CA1202489A1 Process for stripping uranium |
| 03/25/1986 | US4578249 Reduction of hexavalent uranium with ferrous ion provided by electrolytic cell; oxidation |
| 03/18/1986 | US4576802 Nitric acid, aluminum compound, complexing, multistage, agitation |
| 03/11/1986 | US4575154 Recovering uranium from subterranean deposits, ion exchanging |
| 03/11/1986 | CA1201597A1 Process for the extraction and separation of uranium, thorium and rare earths involving treatment of their aqueous chloride solutions |
| 03/11/1986 | CA1201593A1 Selective removal of arsenical materials in the alkaline treatment of uranium and/or molybdenum containing ores, with a magnesium compound |
| 02/25/1986 | US4572802 Extraction with diamides |
| 02/11/1986 | CA1200397A1 Recovery of non-radioactive transition metal compounds from an ore which contains radioactive elements |
| 02/04/1986 | US4568487 Oxidizing using metal nitrate melts extraction of uranyl nitrate using aqueous nitric acid |
| 01/21/1986 | US4565627 Filters for uranium, gold or silver |
| 01/21/1986 | CA1199501A1 Recovery process of uranium |
| 01/14/1986 | US4564690 Macrocyclic compounds |
| 01/14/1986 | US4564507 Reductive decontamination of magnesium fluoride |
| 12/31/1985 | CA1198576A1 Gaseous reduction of phosphoric acid |
| 12/17/1985 | CA1198048A1 Process for recovery of mineral values from subterranean formations |
| 12/03/1985 | CA1197382A1 Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution |
| 11/12/1985 | US4552588 Magnesium reduction of uranium fluoride in molten salts |
| 11/12/1985 | CA1196501A1 Method for oxygen reduction in a uranium recovery process |
| 10/22/1985 | CA1195508A1 Liquid membrane process for uranium recovery |
| 10/16/1985 | EP0158555A1 Process for recovering plutonium contained in solid waste |
| 10/08/1985 | US4545962 Recovery of uranium from a mixture of western uranium ore and phosphate rock |
| 10/01/1985 | US4544530 Oxidation, reduction, solvent extraction, precipitation |
| 10/01/1985 | CA1194320A1 Liquid membrane process for uranium recovery |
| 09/17/1985 | CA1193444A1 Process for stripping uranium from an alkyl pyrophosphoric acid |
| 08/28/1985 | EP0152500A1 Ion exchange resins containing post-deposited metal oxides |
| 08/13/1985 | US4534792 Magnesium reduction of uranium oxide |
| 08/13/1985 | CA1191697A1 Process of precipitating uranium oxide from alkaline soda solutions by a reduction |
| 08/13/1985 | CA1191696A1 Liquid membrane process for uranium recovery |
| 08/13/1985 | CA1191676A1 Method for achieving acceptable u.sub.30.sub.8 levels in a restored formation |
| 07/23/1985 | US4530823 Using fluidized bed |
| 07/23/1985 | CA1190749A1 Hydrogen peroxide in sulfuric acid extraction of uranium ores |
| 07/17/1985 | EP0148194A1 High temperature pre-treatment by means of an aqueous alcolyne solution of clayish gangue ore containing at least one valuable element. |
| 07/09/1985 | US4528165 Separation of uranium from technetium in recovery of spent nuclear fuel |
| 06/18/1985 | US4524001 Method of purifying uraniferous aqueous solutions |
| 06/04/1985 | CA1188106A1 Uranium (vi) recovery process |
| 05/28/1985 | US4519985 Use of activated carbon to remove dissolved organics from uranium leachate |
| 05/28/1985 | US4519837 Low temperature liquid metal reduction |
| 05/21/1985 | CA1187293A1 Measurement of the oxidation-extraction of uranium from wet-process phosphoric acid |
| 04/30/1985 | US4514378 Treating with methanol or mixtures with water or sodium methoxide before acid leaching |
| 04/30/1985 | US4514365 Fluoride as precipitant, reducing agent and aliphatic ketone |
| 04/30/1985 | US4514296 Cascading cells;controlled ph |
| 04/24/1985 | EP0137973A2 Process for recovery of uranium from wet process phosphoric acid |
| 04/16/1985 | US4511677 Ion exchange-active compositions consisting of water-soluble polyelectrolyte upon ion exchange functional substrate |
| 04/09/1985 | US4510122 Process for extracting uranium from phosphoric acids by means of alkylpyrophosphoric acids |
| 03/27/1985 | EP0135457A1 Pretreatment of ores having an argillaceous gangue by alkali humidifying and thermal treatment |
| 03/26/1985 | CA1184389A1 Purification treatment of a uranium bearing concentrate |
| 03/26/1985 | CA1184388A1 Process for the recovery of a uranium-containing concentrate and phosphoric acid and uranium- containing concentrate and phosphoric acid obtained by this process |
| 03/26/1985 | CA1184387A1 Process for recovering rare metals from the combustion residue of coal by digestion |
| 03/12/1985 | CA1183688A1 Ion exchange recovery of uranium |
| 03/05/1985 | US4503022 Active carbon catalyst |
| 02/26/1985 | US4501073 Apparatus and method for dehydrating metal pieces |
| 02/19/1985 | US4500493 Using phosphoric acid strip solution |
| 02/13/1985 | EP0132902A2 Recovery of uranium from wet process phosphoric acid by liquid-solid ion exchange |
| 02/05/1985 | CA1181953A1 Method and apparatus for recovery of uranium from carbonate leach liquors |
| 01/29/1985 | US4496523 Solvent extraction by forming complex of acid, nitrogen compound, and metal |
| 01/29/1985 | CA1181596A1 Reclamation process for water-borne uranium |
| 01/22/1985 | US4495152 Leach apparatus including means to protect ion exchange resin |
| 01/22/1985 | CA1181242A1 Method of removing phosphorus impurities from yellowcake |
| 01/22/1985 | CA1181241A1 Oxidation-extraction of uranium from wet-process phosphoric acid |
| 12/25/1984 | US4490336 Process for stripping uranium from an alkyl pyrophosphoric acid |
| 12/20/1984 | WO1984004912A1 Method for obtaining uranium from sea water |
| 12/18/1984 | US4489042 Uranium ore, solubilizing pyrites |
| 12/11/1984 | CA1179148A1 Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution |
| 12/11/1984 | CA1179147A1 Process for the extraction of arsenic from solutions containing carbonates, sulfates, possibly an alcaline hydroxide and at least one of the metals vanadium, uranium and molybdenum |
| 12/04/1984 | US4486392 Process for the selective separation of uranium from accompanying metals |
| 12/04/1984 | US4486391 Separation and recovery of ionic substances by fluorine-containing compound |
| 12/04/1984 | US4486390 Treatment with sulfite |
| 12/04/1984 | CA1178784A1 Uranium peroxide spherical particles having a good flowability and process for preparing the same |
| 11/27/1984 | US4485075 Addition of lime |
| 11/08/1984 | WO1984004333A1 High temperature pre-treatment by means of an aqueous alcolyne solution of clayish gangue ore containing at least one valuable element |
| 10/23/1984 | US4478804 Extracting with phosphoric and dithiophosphoric acids, stripping with ammonium or potassium fluorides |
| 10/23/1984 | CA1176470A1 Production of aluminium and uranium products |
| 10/09/1984 | US4476099 Method of recovering uranium |
| 10/02/1984 | CA1175238A1 Method and apparatus for the thermal production of metal carbides and metals |