| Patents for C01G 43 - Compounds of uranium (1,053) |
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| 10/10/1989 | US4873031 Adjusting the concentration of uranium reaction mixture and the speed of contact with ammonia |
| 10/03/1989 | US4871518 Recovery or removal of uranium by the utilization of acorns |
| 10/03/1989 | US4871479 Thermally denitrating mixture of nitrate solutions, calcing oxide, pulverization, stabilization; minimizing aerosol production |
| 09/26/1989 | US4869840 Heat exchangers |
| 09/26/1989 | CA1261589A1 Predetermined and enhanced densification in sintered metal oxides |
| 09/12/1989 | CA1259196A1 Method for eluting a metal adsorbed on an chelating agent |
| 08/23/1989 | EP0328742A1 Process for the preparation of nuclear fuel mixed oxides from a nitrate solution |
| 08/22/1989 | US4859441 Process for the preparation of uranium tetrafluoride by the reduction of uranium hexafluoride and sulphur fluorides produced by this process |
| 08/03/1989 | DE3802047A1 Process for removing a radioactive metal from an aqueous solution |
| 07/19/1989 | CN1033979A Method of controlling the crystal grain size of uranium dioxide |
| 07/12/1989 | CN1033785A Preparation method of uranium-dioxide powder from uranium hexafluoride |
| 07/05/1989 | EP0322481A1 Method of preparing uranium dioxide powder from uranium hexafluoride |
| 07/05/1989 | EP0322480A1 Method of controlling the crystal grain size of uranium dioxide pellet |
| 06/14/1989 | EP0320161A1 Preparation of a metal bromide or oxide bromide |
| 06/13/1989 | US4839103 In an airtight vessel by condensing vapors of nitric acid |
| 06/06/1989 | US4837375 Dissolving in hcl and fluoboric acid as catalyst, reacting wit h hydrogen fluoride |
| 05/23/1989 | US4832924 Phenolic crosslinking chelate resin |
| 05/23/1989 | CA1254378A1 Fabrication of nuclear fuel pellets |
| 05/16/1989 | US4830841 With steam to uranyl fluoride, agglomeration, densification, fluidization, defluorination, reduction, ceramic grade |
| 04/19/1989 | EP0311856A1 Thermal treatment for solid bulk material of heavy metal compounds, particularly uranium, plutonium and/or thorium compounds, and the treatment vessel |
| 03/28/1989 | US4816241 Gaseous reduction of phosphoric acid |
| 03/14/1989 | CA1251192A1 Method for the preparation of an amorphous metal oxide composite |
| 02/28/1989 | US4808390 Process for converting UF6 into UO2 |
| 02/28/1989 | CA1250405A1 Method and combustion reactor for converting uranium hexafluoride gas to an oxide of uranium |
| 01/12/1989 | WO1989000081A1 Adsorbent |
| 12/21/1988 | EP0295999A1 Process for the preparation of uraniumtetrafluoride |
| 12/21/1988 | EP0295998A1 Process for the preparation of uranium double fluoride |
| 11/29/1988 | US4788048 Process for conversion of UF6 to UO2 |
| 11/22/1988 | US4786481 Method for eluting a metal adsorbed on a chelating agent |
| 10/05/1988 | EP0285515A1 Process for the preparation of uranium tetrafluoride and sulfur fluorides by reduction of uranium hexafluoride. |
| 09/27/1988 | US4774026 Semiconductor photocatalyst, electromagnetic waves |
| 09/20/1988 | US4772429 Reprocessing nuclear fuels |
| 09/13/1988 | CA1241844A1 Use of activated carbon to remove dissolved organics from uranium leachate |
| 09/06/1988 | US4769180 Adding mg compound to waste liquor to form precipitate; neutralizing precipitate; distilling |
| 09/06/1988 | CA1241544A1 Processes for extraction of uranium from uranium- containing ores using ferric nitrate |
| 08/09/1988 | US4762685 Reaction with uranium in stainless steel reactor |
| 07/19/1988 | US4758411 Process for the recovery in the form of tetravalent fluoride of uranium extracted from phosphate-bearing solutions with the addition of metalic ions |
| 07/12/1988 | US4756853 Dissolving residue with water or nitric acid, separating sulfate ions |
| 05/11/1988 | EP0266945A2 Inorganic ion exchange materials |
| 04/26/1988 | CA1235578A1 Process for reducing metal ions in aqueous solutions |
| 03/01/1988 | CA1233315A1 Continuous process for the production of powdered uranium dioxide from uranyl nitrate |
| 02/16/1988 | US4725413 Process for selective separations of plutonium from uranium and other metals |
| 02/09/1988 | US4724127 Method for recovery of actinides from refractory oxides thereof using O.sub. F2 |
| 01/07/1988 | EP0126746B1 Method for obtaining uo 3? of high reactivity by thermal decomposition in solid form of hydrated uranyl nitrate |
| 12/29/1987 | CA1230742A1 Global extraction process of uranium, ittryum, thorium and rare earths from an organic medium |
| 12/22/1987 | US4714596 Reduction, extraction with organic phosphate in solvent, reextraction with aqueous hydrofluoric acid containing uranium tetrafluoride |
| 12/02/1987 | EP0247924A1 Process for preparing sulphur tetrafluoride by reduction of an uranium fluoride |
| 11/03/1987 | US4704261 Method for fluorination of uranium oxide |
| 10/13/1987 | US4699769 Method and apparatus for producing green salt (UF4) from uranium and uranium alloy pieces |
| 10/06/1987 | US4698214 Method and combustion reactor for converting uranium hexafluoride gas to an oxide of uranium |
| 09/30/1987 | EP0239512A1 Process for obtaining mixed fritted oxides soluble in nitric acid from nitrate solutions |
| 09/15/1987 | US4693795 Electrolysis of uranous flouride-sulfate complexes |
| 09/02/1987 | EP0234199A1 Process for obtaining a solution of almost non-soluble nuclear fuel, particularly of plutonium oxide or a mixed oxide of uranium/plutonium |
| 08/26/1987 | EP0233498A2 Process and apparatus of photoelectrocalalytically reducing noble metals in a nitric acid solution |
| 08/18/1987 | US4687601 Process for the preparation of pulverulent metallic oxides from metallic nitrates |
| 07/29/1987 | EP0230087A2 Preparation of a uranium dioxide material |
| 07/15/1987 | EP0228940A1 Process for extracting uranium and/or plutonium IV from an aqueous solution by means of N,N-dialkylamides |
| 07/15/1987 | EP0228679A2 Process for selectively separating plutonium from uranium and other metals |
| 07/08/1987 | EP0228051A2 Process for selectively separating plutonium from uranium and other metals |
| 07/07/1987 | US4678844 Chelate, crosslinked polyethyleneimine resin having 2-hydroxy benzoyl group |
| 06/24/1987 | CN85108868A Production of uranium tetraflouride |
| 06/03/1987 | EP0224277A2 Process for selectively separating plutonium from uranium and other metals |
| 06/02/1987 | US4670244 Using ferrophosphorus reducing agent |
| 06/02/1987 | CA1222376A1 Global recovery of uranium, yttrium, thorium and rare earths from a phosphated mineral in the course of a wet treatment process for the preparation of phosphoric acid |
| 05/26/1987 | US4668482 Sodium hydrosulfite |
| 05/19/1987 | US4666691 Reacting uranium fluoride with alcohol the combustion of intermediate uranyl fluoride |
| 05/19/1987 | US4666684 Calcinining ammonium diuranate without condensation of ammonium fluoride from off-gas stream |
| 04/22/1987 | CN86104023A Method for convert from uranic fluoride to uranium dioxide |
| 04/14/1987 | US4657747 By reaction with heated uranium |
| 04/07/1987 | US4656015 Continuous process for the production of powdered uranium dioxide from uranyl nitrate |
| 04/07/1987 | US4656012 Process for the recovery of uranium from phosphoric acid solutions |
| 04/01/1987 | EP0216664A1 Process for the production of disulfur decafluoride and sulfur hexafluoride |
| 04/01/1987 | EP0216663A1 Process for the production of sulfur hexafluoride |
| 03/24/1987 | US4652431 Process for recovering uranium using an alkyl pyrophosphoric acid and alkaline stripping solution |
| 03/17/1987 | CA1219114A1 Process for preparing highly reactive uo.sub.3 by thermal decomposition of solid uranyl nitrate |
| 03/10/1987 | US4649029 Processes for extraction of uranium and radium from uranium-containing ores using ferric nitrate |
| 02/18/1987 | CN86103859A Method of transfer uf6 to uf2 |
| 02/17/1987 | US4643873 Gas phase reaction of uranium hexafluroide with steam and hydrogen, then mechanical attrition of product |
| 01/21/1987 | EP0209470A1 Process for separating by precipitation molybdenum contained in sulfuric or nitric solutions of uranium |
| 01/20/1987 | CA1216755A1 Process of extracting both uranium and radium from uranium-containing ores |
| 01/13/1987 | US4636369 Acidification, aluminum and iron compounds |
| 12/16/1986 | US4629600 Method and apparatus for measuring uranium isotope enrichment |
| 12/10/1986 | EP0204564A2 Method of separating molybdenum or tungsten from non-volatile contaminants |
| 11/11/1986 | US4622366 Graft polymer modified by hydroxylamine and ion exchange group |
| 10/28/1986 | CA1213400A1 Ion exchange resins for uranium recovery |
| 10/22/1986 | CN85103081A Process for producing powder metallic oxide from aqueous solutions or solid mixtures of metal nitrates |
| 10/14/1986 | US4617158 Process for treating a metal oxide powder |
| 10/07/1986 | US4615834 Process and apparatus for producing microspheres of fissile and/or fertile materials |
| 09/17/1986 | EP0194900A2 Improvements relating to pyroelectric ceramics |
| 09/09/1986 | US4610852 Ammonium sulfate, solvent extraction |
| 09/02/1986 | US4609533 Process for selective separation of plutonium from uranium and other metals |
| 09/02/1986 | CA1210566A1 Improved solution process for unrefined uranium tetrafluoride |
| 08/19/1986 | US4606895 Ion exchange loading |
| 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 |
| 06/10/1986 | CN85108482A Multichamber type fluid bed reactian apparatus |
| 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 |
| 05/21/1986 | EP0181827A1 Process for winning uranium in a tetravalent fluoride form from phosphate solutions |
| 05/07/1986 | EP0180424A2 Recovery of uranium from solutions |