| Patents for C22B 60 - Obtaining metals of atomic number 87 or higher, i.e. radioactive metals (1,601) |
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| 03/25/1999 | WO1999014386A1 Method for separating trivalent actinides from at least one trivalent lanthanide by means of (bis)aryldithiophosphonic acid as organophosphate as synergist |
| 03/23/1999 | US5885465 Method of separating short half-life radionuclides from a mixture of radionuclides |
| 03/23/1999 | US5885326 Process for removing technetium from iron and other metals |
| 03/18/1999 | DE19834152A1 Separating trivalent actinide elements from lanthanides |
| 03/11/1999 | WO1999011575A1 Method for separating uranium mixed oxide during the treatment of highly ferrugineous mining acid water containing uranium and sulfate |
| 03/09/1999 | US5881359 Metal and fluorine values recovery from fluoride salt matrices |
| 03/04/1999 | WO1999010545A1 Method for separating actinides and lanthanides by liquid-liquid extraction using calixarenes |
| 03/04/1999 | WO1999010087A1 Method for separating actinides and lanthanides by membrane transport using a calixarene |
| 02/10/1999 | CN1207777A Process for extracting metals directly from metal oxides |
| 02/04/1999 | WO1999005330A1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 02/04/1999 | CA2297299A1 Metallothermal process and continuous drawing, in cold induction furnaces, of metals or alloys |
| 01/26/1999 | US5863439 Process for separation and preconcentration of radium from water |
| 01/21/1999 | DE19737794C1 Uranium mixed oxide separation |
| 01/20/1999 | EP0781174A4 Methods of decontaminating soils containing hazardous metals |
| 01/20/1999 | EP0781173A4 Method of decontaminating nuclear waste-containing soil |
| 12/30/1998 | EP0792247A4 Metal and fluorine values recovery from mineral ore treatment |
| 12/23/1998 | EP0885170A1 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/22/1998 | US5851500 Removal of uranium contamination from magnesium fluoride slag |
| 12/10/1998 | WO1998055201A1 Process for separation and preconcentration of radium from water |
| 12/02/1998 | EP0881307A1 Reclamation of tungsten values from tungsten-thoria scrap by sodium hydroxide fusion |
| 10/28/1998 | EP0873429A1 Extracting metals directly from metal oxides |
| 10/20/1998 | US5826162 leaching of titaniferous materials |
| 10/06/1998 | US5819158 Sodium tungstate |
| 09/15/1998 | US5809394 Methods of separating short half-life radionuclides from a mixture of radionuclides |
| 08/26/1998 | CN1191521A Method of biotreatment for solid materials in nonstirred surface bioreactor |
| 08/11/1998 | US5792357 Method and apparatus for back-extracting metal chelates |
| 08/11/1998 | CA2007109C Removal of thorium from raffinate |
| 07/28/1998 | US5787353 Fluorination of uranium oxide and/or uranyl fluoride; carbonylation of metallic nickel with carbon monoxide and a gaseous promoter |
| 07/28/1998 | US5787332 Process for recovering tantalum and/or niobium compounds from composites containing a variety of metal compounds |
| 07/01/1998 | EP0850322A1 Selective separation of dissolved metal species with substituted 1,3,5 triazine extractants |
| 07/01/1998 | CN1186564A Process to remove rare earths from spent nuclear fuel |
| 06/30/1998 | US5774815 Dry halide method for separating the components of spent nuclear fuels |
| 05/26/1998 | US5758255 Opposite phase entrainment reduction in solvent extraction/electrowinning circuits by addition of water soluble cationic polymers |
| 05/14/1998 | WO1998019779A1 Improved leaching of mineral ores |
| 05/14/1998 | DE19748905A1 Treatment of alkaline effluent from nuclear fuel reprocessing |
| 05/13/1998 | CN1181380A 2, 6-bis£(1 -phenyl -3 -methyl -5 -oxygen -4 -pyrazolinyl) formyl| pyridine and synthetic method and application thereof |
| 05/07/1998 | WO1998018929A1 Nucleic acid sequences encoding citrate transporter proteins |
| 05/06/1998 | EP0839909A1 Nucleic acid sequences encoding citrate transporter proteins |
| 04/08/1998 | EP0834584A1 Recovery of tantalum and/or niobium from metalfluoride containing materials and ore residues with use of sulfuric acid roasting |
| 04/08/1998 | EP0834177A1 Producing halogenated products from metal halide feeds |
| 04/07/1998 | US5735932 Using molten metal bath |
| 03/26/1998 | CA2212714A1 Process for recovering tantalum and/or niobium compounds from compositescontaining a variety of metal compounds |
| 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 |
| 02/10/1998 | US5717149 Method for producing halogenated products from metal halide feeds |
| 02/05/1998 | WO1998004754A1 Method and apparatus for back-extracting metal chelates |
| 02/05/1998 | CA2260831A1 Method and apparatus for back-extracting metal chelates |
| 01/22/1998 | WO1998002594A1 Selective separation of dissolved metal species with substituted 1,3,5 triazine extractants |
| 01/15/1998 | WO1998001866A1 Methods of decontaminating substrates with in situ generated cyanides |
| 01/13/1998 | US5708958 Method of separating trivalent actinides and rare earth elements |
| 12/16/1997 | US5698169 Methods and agents for the extraction of cesium and strontium from nuclear waste |
| 12/11/1997 | WO1997047015A1 Accelerator-driven transmutation of spent fuel elements |
| 11/25/1997 | CA2025165C Removal of molybdenum from uranium-bearing solutions |
| 11/12/1997 | EP0649339B1 Improvements in or relating to rotary kilns |
| 10/14/1997 | US5678231 Purification by sequestering the hazardous metal with ammonium cyanide formed by mixing ammonia solution with a refrigerant fluorohydrocarbons |
| 10/02/1997 | WO1997036014A1 METHOD FOR SOLUBILIZING METAL VALUES FROM Ta-Nb-ORE MATERIALS CONTAINING INSOLUBLE FLUORIDES |
| 10/02/1997 | WO1997036013A1 Recovery of metal values from solids by digestion in sulfuric acid medium including a reductant |
| 10/02/1997 | WO1997036011A1 Recovery of metal values |
| 09/24/1997 | CN1160365A Method of decontaminating nuclear waste-contg. soil |
| 09/10/1997 | EP0676771B1 Nuclear fuel cycle |
| 09/09/1997 | US5666642 Extraction of cesium and strontium ions from nuclear waste |
| 09/03/1997 | EP0792247A1 Metal and fluorine values recovery from mineral ore treatment |
| 08/20/1997 | CN1157584A Method of decontaminating soils containing hazardous metals |
| 07/31/1997 | WO1997027595A1 Fluorination |
| 07/29/1997 | US5652190 Method for regenerating magnetic polyamine-epichlorohydrin resin |
| 07/22/1997 | US5650053 Electrorefining cell with parallel electrode/concentric cylinder cathode |
| 07/02/1997 | EP0781174A1 Methods of decontaminating soils containing hazardous metals |
| 07/02/1997 | EP0781173A1 Method of decontaminating nuclear waste-containing soil |
| 05/21/1997 | EP0741802A4 Leaching of titaniferous materials |
| 05/09/1997 | WO1997016575A1 Extracting metals directly from metal oxides |
| 05/09/1997 | CA2236575A1 Extracting metals directly from metal oxides |
| 04/22/1997 | CA2133184C Controlled acid - strong acid strip process |
| 04/16/1997 | EP0649560B1 Process for selectively concentrating the radioactivity of thorium containing magnesium slag |
| 04/08/1997 | US5618472 Vitrified glass or tungsten bronze for storing radioactive waste material |
| 04/03/1997 | WO1996039702A3 Methods and agents for the extraction of cesium and strontium from nuclear waste |
| 04/02/1997 | EP0765943A1 Removal of radionuclides from titanium bearing ores |
| 03/28/1997 | CA2184538A1 Removal of radionuclides from titanium bearing ores |
| 03/18/1997 | US5613238 Mixing ammonia liquid with soils for ion removal, separation from soils |
| 03/18/1997 | US5613186 Method for monitoring the ADU process for technetium |
| 03/11/1997 | US5609745 Process for the electrochemical oxidation of Am(III) to Am(VI) usable for separating americium from spent nuclear fuel reprocessing solutions |
| 03/05/1997 | EP0611478B1 Method for reducing volume of a radioactive composition |
| 03/04/1997 | US5607648 Producing uranium dioxide from uranium hexafluoride |
| 03/04/1997 | US5607591 From effluents of irradiated fuel reprocessing plants |
| 02/25/1997 | US5606724 Extracting metals directly from metal oxides |
| 02/19/1997 | CN1143394A Leaching of titaniferous materials |
| 01/28/1997 | US5597538 Oxidation |
| 01/22/1997 | EP0670840B1 Bis-crown calix[4]arenes, method for preparing same and use thereof for selectively recovering cesium and actinides |
| 01/21/1997 | US5595666 Removal of radioactive materials and heavy metals from water using magnetic resin |
| 12/17/1996 | US5585043 Nitric acid solution of neptunium and plutonium is oxidized by irradiation with ultraviolet light |
| 12/12/1996 | WO1996039703A1 Producing halogenated products from metal halide feeds |
| 12/12/1996 | WO1996039702A2 Methods and agents for the extraction of cesium and strontium from nuclear waste |
| 12/10/1996 | US5582706 Electroseparation of actinide and rare earth metals |
| 12/05/1996 | WO1996038381A1 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 12/05/1996 | WO1996038380A1 Metal and fluorine values recovery from fluoride salt matrices |
| 11/26/1996 | US5578109 Removal of radioactive impurities by contacting with a glassy material at high temperature, ilmenite, rutile |
| 11/21/1996 | WO1996036971A1 Process to remove rare earths from spent nuclear fuel |
| 11/13/1996 | EP0741802A1 Leaching of titaniferous materials |
| 11/12/1996 | US5573738 Method for removing depleted uranium from contaminated soils |
| 10/24/1996 | WO1996033132A1 Extraction of cesium and strontium ions from nuclear waste |