Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 976/DIG.279
Name: Nuclear technology > Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor (e.g., within its pressure vessel) [g21c-19/00] > Reprocessing of irradiated fuel [g21c-19/42] > Of irradiated solid fuel [g21c-19/44] > Aqueous processes (e.g., by using organic extraction means, including the regeneration of these means) [g21c-19/46]
Description:










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8636966 Compositions and methods for treating nuclear fuel Jan. 28, 2014
8506911 Compositions and methods for treating nuclear fuel Aug. 13, 2013
6623710 Nuclear fuel reprocessing Sep. 23, 2003
6001327 Sealed-bladdered chemical processing method and apparatus Dec. 14, 1999
5585043 Method of coextracting neptunium and plutonium Dec. 17, 1996
5500192 Method of separating neptunium and plutonium Mar. 19, 1996
5476641 Method of separating and recovering plutonium and neptunium from plutonium- and neptunium-containing nitric acid solution Dec. 19, 1995
4891163 Method of processing nuclear fuel scraps Jan. 2, 1990
4834936 Continuous dissolution apparatus for spent nuclear fuel May. 30, 1989
4787979 Liquid-liquid extraction process Nov. 29, 1988
4774026 Process and apparatus for oxidizing or reducing dissolved substance Sep. 27, 1988
4764352 Process for preventing the extraction of technetium and/or rhenium, particularly during the extraction of uranium and/or plutonium by an organic solvent Aug. 16, 1988
4759878 Process for the batch fine purification of uranium or plutonium recovered in a reprocessing process for irradiated nuclear fuel and/or fertile materials Jul. 26, 1988
4758313 Process for the improved separation of substances hindering the recovery of the fissionable materials uranium and plutonium and for the improved separation of the fissionable materials Jul. 19, 1988
4749518 Extraction of cesium and strontium from nuclear waste Jun. 7, 1988
4741810 Process for reductive plutonium stripping from an organic reprocessing solution into an aqueous, nitric acid solution by use of an electrolytic current May. 3, 1988
4740359 Process for the recovery of uranium values in an extractive reprocessing process for irradiated nuclear fuels Apr. 26, 1988
4701308 Process for the recovery of molybdenum-99 from an irradiated uranium alloy target Oct. 20, 1987
4686019 Dissolution of PuO.sub.2 or NpO.sub.2 using electrolytically regenerated reagents Aug. 11, 1987
4659551 Process for separation of neptunium from an organic phase in the recovery of irradiated fuel and/or fertile materials Apr. 21, 1987
4656011 Process of treating nuclear fuel Apr. 7, 1987
4636362 Apparatus for the continuous treatment of fragmented fuel elements Jan. 13, 1987
4609533 Process for selective separation of plutonium from uranium and other metals Sep. 2, 1986
4591488 Process for selective separation of plutonium from uranium and other metals May. 27, 1986
4574072 Method for extracting lanthanides and actinides from acid solutions by modification of purex solvent Mar. 4, 1986
4548790 Method for extracting lanthanides and actinides from acid solutions Oct. 22, 1985
4528130 Method for dissolving hard-to-dissolve thorium and/or plutonium oxides Jul. 9, 1985
4528165 Separation of uranium from technetium in recovery of spent nuclear fuel Jul. 9, 1985
4521400 Agitator apparatus Jun. 4, 1985
4469629 Method for extracting fluoride ions from a nuclear fuel solution Sep. 4, 1984
4434137 Method for dissolving hard-to dissolve nuclear fuels Feb. 28, 1984
4432955 Process for desorbing fission iodine from nitric acid fuel solution Feb. 21, 1984
4388273 Apparatus for preventing the diversion of plutonium in nuclear fuel reprocessing Jun. 14, 1983
4374762 Process for the removal of tritium from the product solutions obtained by the Purex process Feb. 22, 1983
4358426 Method for cleaning solution used in nuclear fuel reprocessing Nov. 9, 1982
4349453 Method for processing alkaline solutions containing radioactive iodine during reprocessing of nuclear fuels Sep. 14, 1982
4333912 Method for dissolving plutonium-containing nuclear fuels Jun. 8, 1982
4294805 Method of leaching the contents of a can Oct. 13, 1981
4282112 Ruthenium recovery process by solvent extraction Aug. 4, 1981
4278559 Method for processing spent nuclear reactor fuel Jul. 14, 1981
4275045 Method of extraction, trapping and storage of radioactive iodine contained in irradiated nuclear fuels Jun. 23, 1981
4271034 Process of denitration of highly radio-active waste solutions Jun. 2, 1981
4246238 Dissolver for removing nuclear fuel materials from fuel element segments Jan. 20, 1981
4229421 Purification of plutonium Oct. 21, 1980
4208377 Process for recovering actinide values Jun. 17, 1980
4206073 Process for separating volatile, radioactive substances obtained in the reprocessing of nuclear fuel Jun. 3, 1980
4201690 Processing of irradiated nuclear fuel May. 6, 1980
4197195 Method for minimizing the organic waste in aqueous product streams produced in liquid-liquid extraction processes Apr. 8, 1980
4182652 Nuclear fuel element, core for nuclear reactor, nuclear fuel material Jan. 8, 1980
4180476 Process for the extraction of fission products Dec. 25, 1979

1 2










 
 
  Recently Added Patents
Accessory system for vehicle
Group of amino substituted benzoyl derivatives and their preparation and their use
Reduced sorbent utilization for circulating dry scrubbers
Movable assemblies for an image reader unit and a cover unit in an image formation apparatus
Network decoys
Method for culturing lactic acid bacterium and method for producing fermented milk
Toy track intersection component
  Randomly Featured Patents
Ring
Filtering of electronic mail messages destined for an internal network
Pressure swing adsorption product purity control method and apparatus
Receiving apparatus, test apparatus, receiving method, and test method
Cut-off device for a textile machine
Articulated suspension assembly for a tracked vehicle
Surgical instruments and techniques for treating gastro-esophageal reflux disease
Tilting flap pump
Farnesyltransferase inhibitors
Re-latch mechanism for wellbore liner system