| Patents for C01G 56 - Compounds of transuranic elements (403) |
|---|
| 02/25/1986 | US4572802 Extraction with diamides |
| 01/21/1986 | US4565672 Method for the manufacture of PuO2 -containing crystals |
| 01/07/1986 | US4563335 Nuclear fuels |
| 12/27/1985 | EP0165391A1 Process for converting into a usable form actinide ions contained in the solid residue resulting from the sulfate of organic radioactive wastes containing actinides |
| 12/03/1985 | CA1197382A1 Process for separating the actinides and lanthanides present in the trivalent state in an acid aqueous solution |
| 11/26/1985 | US4555318 Removal of fluoride impurities from UF6 gas |
| 11/06/1985 | EP0160589A1 Process and apparatus for the dissolution of plutonium and/or neptumium oxides |
| 10/22/1985 | US4548790 Dialkylcarbamoylmethylphospine oxide derivates as extractants |
| 10/16/1985 | EP0158555A1 Process for recovering plutonium contained in solid waste |
| 10/08/1985 | US4545964 Process for the preparation of porous products based on cobalt fluoride or lead fluoride |
| 10/01/1985 | US4544531 Uranium hexafluoride purification process |
| 07/09/1985 | US4528130 Method for dissolving hard-to-dissolve thorium and/or plutonium oxides |
| 06/11/1985 | US4522794 For actinide oxides or fluorides |
| 06/05/1985 | EP0143726A1 Process for the preparation of pulverulent metal oxides from aqueous solutions or solid mixtures of metal nitrates |
| 05/14/1985 | CA1186902A1 Method for dissolving hard-to-dissolve thorium and/or plutonium oxides |
| 04/10/1985 | EP0136448A2 Process for the preparation of mixed oxides of uranium-thorium and of uranium-plutonium soluble in nitric acid |
| 04/09/1985 | US4509978 Recoverable immobilization of transuranic elements in sulfate ash |
| 01/29/1985 | US4496523 Solvent extraction by forming complex of acid, nitrogen compound, and metal |
| 07/24/1984 | US4461747 Method for separating actinides from lanthanides in an acidic aqueous solution |
| 07/17/1984 | US4460547 Separating actinide ions from aqueous, basic, carbonate containing solutions using mixed tertiary and quaternary amino anion exchange resins |
| 07/10/1984 | US4459268 Thorium and plutonium nitrates, acidification, sodium nitrite, alkali chloride complexing |
| 07/04/1984 | EP0112500A1 Process for producing crystals containing plutonium dioxide |
| 07/03/1984 | CA1170032A1 Method for improved decomposition of metal nitrate solutions |
| 06/26/1984 | US4456298 Apparatus for stepwise adjustment of separation between two chair portions |
| 06/13/1984 | EP0110789A1 Process for recovering actinides and/or lanthanides present in their trivalent state in an aqueous acidic solution |
| 05/15/1984 | US4448694 Metal extraction from solution and immobilized chelating agents used therefor |
| 04/24/1984 | US4444723 Denitration systems |
| 04/10/1984 | US4442071 Extraction of plutonium ions from aqueous sulfuric acid solutions with D2 EHPA or D2 EHPA/TOPO |
| 04/10/1984 | CA1165274A1 A method of electrochemically obtaining the pu (vi) oxidation stage |
| 03/27/1984 | US4439402 Nuclear fuel conversion systems |
| 03/27/1984 | US4439279 Method for electrochemical oxidizing to the Pu (VI) |
| 02/14/1984 | US4431580 Oxidation to the hexavalent uranium and plutonium oxides; ion exchanging using a cationic resin |
| 02/08/1984 | EP0100026A2 Process for the treatment of plutonium oxide and/or mixed oxide of plutonium and uranium |
| 01/18/1984 | EP0098510A2 Method of selectively separating plutonium from uranium and other metals |
| 10/26/1983 | EP0092475A1 Method of treating a metallic oxide powder, and its use in producing nuclear fuel pellets |
| 10/11/1983 | US4409157 Method for improved decomposition of metal nitrate solutions |
| 09/21/1983 | EP0089185A2 Dissolution of Pu02 or Np02 using electrolytically regenerated reagents |
| 09/20/1983 | CA1153883A1 Method for the production of nuclear fuel oxides |
| 09/07/1983 | EP0088006A1 Process for the preparation of porous products based on cobalt fluoride or lead fluoride |
| 08/31/1983 | EP0087358A1 Process for the purification of urananium hexafluoride containing traces of plutonium fluoride and/or neptunium fluoride |
| 08/16/1983 | US4399106 Reactor for preparing uranium trioxide |
| 08/02/1983 | US4396556 Process of preparing organophosphorus compounds by phase transfer catalysis |
| 05/10/1983 | US4382885 Method for producing nuclear fuel |
| 01/19/1983 | EP0070226A1 Process for separating trivalent actinides from trivalent lanthanides in an acidic aqueous solution |
| 12/21/1982 | US4364859 Method for producing oxide powder |
| 11/09/1982 | US4358426 Method for cleaning solution used in nuclear fuel reprocessing |
| 06/08/1982 | US4333912 Method for dissolving plutonium-containing nuclear fuels |
| 04/21/1982 | EP0049827A1 Process for the dissolving of hard soluble plutonium oxide |
| 04/21/1982 | EP0049758A1 Device for gradually adjusting the distance between two chair-parts |
| 04/06/1982 | CA1121146A1 Method for the manufacture of (u,pu)o.sub.2 mixed crystals |
| 03/17/1982 | EP0047624A2 Reactor and method for preparing uranium trioxide and/or plutonium oxide |
| 03/09/1982 | US4318893 Oxidation of americium to a valence of 6 using a persulfate and silver cations in the presence of phosphoric acid |
| 02/23/1982 | US4316776 Method of removing Pu(IV) polymer from nuclear fuel reclaiming liquid |
| 01/13/1982 | EP0043765A1 Process for separating trivalent actinide and lanthanide values from an aqueous acid solution |
| 11/03/1981 | US4298579 Plutonium oxide from plutonium oxalate |
| 11/03/1981 | US4298495 Countercurrent hydrogen gas flow through material in carbon crucible which reacts with water product |
| 08/12/1981 | EP0033444A1 Process for recovering uranium and/or plutonium from solutions with a high salt load |
| 08/11/1981 | CA1106615A1 Process for recovering actinide values |
| 08/05/1981 | EP0033091A1 Process for purifying a nitric-acid U/Pu solution |
| 07/14/1981 | US4278559 Method for processing spent nuclear reactor fuel |
| 07/01/1981 | EP0031066A1 Process for producing nuclear-fuel oxides |
| 03/24/1981 | CA1097925A1 Method for the recovery of actinide elements from nuclear reactor waste |
| 02/11/1981 | EP0023585A1 Process for electrochemical regulation of the Pu(VI) oxidation state |
| 02/10/1981 | CA1095482A1 Production of nuclear fuel |
| 02/10/1981 | CA1095481A1 Nuclear fuel grinding reduction |
| 01/13/1981 | CA1093279A1 Process for the preparation of uranium dioxide |
| 11/25/1980 | US4235740 Oxidizing a uranium and plutonium nitrate solution, mixing with an ammonium carbonate, oxalate, or carbamate to precipitate the complex, calcining |
| 11/18/1980 | CA1090018A1 Decontamination of radionuclides from water with chitin |
| 10/21/1980 | US4229421 Solvent extraction and reduction of nuclear fuel |
| 07/22/1980 | CA1081969A1 Recovery of transplutonium elements from nuclear reactor waste |
| 07/08/1980 | US4211757 Actinide sulfite tetrahydrate and actinide oxysulfite tetrahydrate |
| 07/01/1980 | CA1080462A1 Process for producing fuel particles and fertile material particles |
| 06/17/1980 | US4208377 Process for recovering actinide values |
| 04/16/1980 | EP0010044A1 Process for the separation of americium from curium |
| 04/08/1980 | US4197274 Hydrazine reduces nitric acid solution of tetravalent plutonium to trivalent plutonium |
| 02/12/1980 | CA1071414A1 Method for dissolving plutonium dioxide |
| 01/15/1980 | CA1069854A1 Method for purifying actinides which are in low oxidation states |
| 10/23/1979 | US4172114 Method for purifying plutonium hexafluoride |
| 10/23/1979 | CA1064707A1 Ferric ion as a scavenging agent in a solvent extraction process |
| 07/24/1979 | US4162230 Method for the recovery of actinide elements from nuclear reactor waste |
| 01/16/1979 | US4134960 Containing solids treated with nitric acid |
| 12/26/1978 | US4131527 Method for selectively reducing plutonium values by a photochemical process |
| 10/17/1978 | US4120933 Decontamination of plutonium from water with chitin |
| 10/10/1978 | US4119563 Process for the production of fuel and fertile particles |
| 08/08/1978 | US4105746 Method and apparatus for providing negative ions of actinide-metal hexafluorides |
| 06/20/1978 | US4096231 Separation of uranium hexafluoride from plutonium hexafluoride by means of selective intercalation in graphite |
| 08/16/1977 | US4042670 Process of making oxygen enriched plutonium dioxide (PuO2) |
| 05/24/1977 | US4025602 Oxalate precipitation, ion exchanging |
| 05/03/1977 | US4021313 Method for purifying actinides which are in low oxidation states |
| 03/15/1977 | US4012489 Process for the preparation of uranium dioxide |
| 03/08/1977 | US4011296 Irradiated fuel reprocessing |
| 12/07/1976 | US3996331 Precipitation of plutonium and americium carbonate; sodium carbonate |
| 11/16/1976 | US3992494 Method of making an oxide fuel compact |
| 10/19/1976 | US3987145 Ferric ion as a scavenging agent in a solvent extraction process |
| 09/21/1976 | US3981961 Method of selective stripping of plutonium from organic solvents loaded with plutonium |
| 09/14/1976 | US3980750 Method of selective stripping of plutonium from an organic solvent containing plutonium and in some cases uranium by reduction of said plutonium |
| 08/24/1976 | US3976748 Process for the production of 238 Pu 16 O2 |
| 07/06/1976 | USRE28894 Thorium nitrate, plutonium oxide, uranium oxide |
| 06/08/1976 | US3962401 Method of recovering neptunium from spent nuclear fuel |
| 05/18/1976 | US3957615 Apparatus for conducting electrolytic reactions |