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Class Information
Number: 423/19
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Radioactive metal (at. no. 84+ or radioactive isotope of another metal) > Actinide series metal (at. no. 89+) > Volatizing
Description: Processes including the step of causing a normally liquid or solid substance in element or compound form to be changed into a gas or a vapor; see Glossary.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7323153 |
Reprocessing method by fluoride volatility process using fractional distillation |
Jan. 29, 2008 |
| 7208129 |
Reprocessing method by fluoride volatility process using solid-gas separation |
Apr. 24, 2007 |
| 7172741 |
Method for reprocessing spent nuclear fuel |
Feb. 6, 2007 |
| 6827856 |
Process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
Dec. 7, 2004 |
| 6602419 |
Process for the recovery of iodine from aqueous solutions containing iodinated organic compounds |
Aug. 5, 2003 |
| 6120706 |
Process for producing an aggregate suitable for inclusion into a radiation shielding product |
Sep. 19, 2000 |
| 5787353 |
Process for the in situ recovery of chemical values from UF 6 gaseous diffusion process equipment |
Jul. 28, 1998 |
| 5744116 |
Reaction of uranium fluorides with mineral acids to recover hydrogen fluoride |
Apr. 28, 1998 |
| 5628048 |
Process for obtaining uranium trioxide by direct thermal denitration of uranyl nitrate |
May. 6, 1997 |
| 5431891 |
Process for the recovery and purification of a metal alloy based on highly enriched uranium |
Jul. 11, 1995 |
| 5202100 |
Method for reducing volume of a radioactive composition |
Apr. 13, 1993 |
| 5185104 |
Method of treatment of high-level radioactive waste |
Feb. 9, 1993 |
| 5164050 |
Method of obtaining uranium from oxide using a chloride process |
Nov. 17, 1992 |
| 5098682 |
Dehydration of plutonium or neptunium trichloride hydrate |
Mar. 24, 1992 |
| H857 |
Electrolytic process for preparing uranium metal |
Dec. 4, 1990 |
| 4948478 |
Uranium isotope separation process following the molecular laser process |
Aug. 14, 1990 |
| 4891192 |
Process for the purification of traces of radioactive elements generated during the storage of uranium resulting from the reprocessing of irradiated nuclear fuels |
Jan. 2, 1990 |
| 4859441 |
Process for the preparation of uranium tetrafluoride by the reduction of uranium hexafluoride and sulphur fluorides produced by this process |
Aug. 22, 1989 |
| H659 |
Process for electrolytically preparing uranium metal |
Aug. 1, 1989 |
| 4830841 |
Conversion of uranium hexafluoride to uranium dioxide |
May. 16, 1989 |
| 4808390 |
Process for converting UF.sub.6 into UO.sub.2 |
Feb. 28, 1989 |
| 4788048 |
Process for conversion of UF.sub.6 to UO.sub.2 |
Nov. 29, 1988 |
| 4783322 |
Method for fluorination of actinide fluorides and oxyfluorides thereof using O.sub.2 F.sub.2 |
Nov. 8, 1988 |
| 4752454 |
Process for the preparation of ultrapure active metal fluorides |
Jun. 21, 1988 |
| 4724127 |
Method for recovery of actinides from refractory oxides thereof using O.sub. F.sub.2 |
Feb. 9, 1988 |
| 4710222 |
Method for removal of plutonium impurity from americium oxides and fluorides |
Dec. 1, 1987 |
| 4687605 |
Manufacturing automation system for nuclear fuel rod production |
Aug. 18, 1987 |
| 4666684 |
Process for producing uranium dioxide |
May. 19, 1987 |
| 4555318 |
Removal of fluoride impurities from UF.sub.6 gas |
Nov. 26, 1985 |
| 4544531 |
Uranium hexafluoride purification process |
Oct. 1, 1985 |
| 4522794 |
Fluorination process using catalyst |
Jun. 11, 1985 |
| 4519986 |
Process for preparation of ultrapure thorium fluoride |
May. 28, 1985 |
| 4518569 |
Process for cleaning the inner walls of a reactor |
May. 21, 1985 |
| 4434139 |
Method for removing adhering or dust-like deposits in systems handling uranium hexafluoride |
Feb. 28, 1984 |
| 4421727 |
NF.sub.4.sup.+ WF.sub.7.sup.- and NF.sub.4.sup.+ UF.sub.7.sup.- and methods of preparation |
Dec. 20, 1983 |
| 4364906 |
Method for selectively removing fluorine and fluorine-containing contaminants from gaseous UF.sub.6 |
Dec. 21, 1982 |
| 4311678 |
Method for removing uranium-containing deposits in uranium hexafluoride processing equipment |
Jan. 19, 1982 |
| 4304757 |
Method of controlling the molybdenum content of uranium yellowcake |
Dec. 8, 1981 |
| 4293528 |
Yellowcake processing in uranium recovery |
Oct. 6, 1981 |
| 4286153 |
Method and apparatus for the separation of isotope mixtures |
Aug. 25, 1981 |
| 4278559 |
Method for processing spent nuclear reactor fuel |
Jul. 14, 1981 |
| 4255404 |
Isotopic separation |
Mar. 10, 1981 |
| 4244697 |
Process for expelling uranium hexafluoride having a high U-235 content from a transportation cylinder |
Jan. 13, 1981 |
| 4234550 |
Method for treating a particulate nuclear fuel material |
Nov. 18, 1980 |
| 4228141 |
Process for a gasification of graphite |
Oct. 14, 1980 |
| 4208377 |
Process for recovering actinide values |
Jun. 17, 1980 |
| 4202861 |
Method for dry reprocessing of irradiated nuclear fuels |
May. 13, 1980 |
| 4191022 |
Chemical plant |
Mar. 4, 1980 |
| 4172114 |
Method for purifying plutonium hexafluoride |
Oct. 23, 1979 |
| 4105746 |
Method and apparatus for providing negative ions of actinide-metal hexafluorides |
Aug. 8, 1978 |
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