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Class Information
Number: 376/314
Name: Induced nuclear reactions: processes, systems, and elements > Fission reactor material (including reaction products) treatment > Impurity removal > By filters, ion exchangers, or absorbers > Gas filters (e.g., adsorbers)
Description: Subject matter wherein the material to be removed is in the gaseous or vapor state.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8379789 Nuclear plant Feb. 19, 2013
8218709 Nuclear plant and method for the pressure relief in a nuclear plant Jul. 10, 2012
6921515 Apparatus for chemical decontamination Jul. 26, 2005
6456680 Method of strontium-89 radioisotope production Sep. 24, 2002
6192095 Xenon-133 radioactive stent for preventing restenosis of blood vessels and a process for producing the same Feb. 20, 2001
6017376 Air extract system for a containment Jan. 25, 2000
5872825 Apparatus and method for inerting and venting the containment atmosphere in a nuclear power station Feb. 16, 1999
5706320 Containment pressure suppression system for liquid metal cooled reactors Jan. 6, 1998
5596613 Pressure suppression containment system for boiling water reactor Jan. 21, 1997
5490187 Method for gas bubble and void control and removal from metals Feb. 6, 1996
5481577 Boiling water reactor fuel assembly filter Jan. 2, 1996
5470557 Zeolites Nov. 28, 1995
5406603 Apparatus for removing aerosols from the air of a nuclear reactor containment Apr. 11, 1995
5402454 Process and device for obtaining samples from the atmosphere in a closed gastight vessel, preferably from the reactor safety vessel of a nuclear power station Mar. 28, 1995
5368633 Pressurized radioactive gas treatment system Nov. 29, 1994
5353949 Vent filter assembly Oct. 11, 1994
5345479 Sensitivity enhancement for airborne radioactivity monitoring system to detect reactor coolant leaks Sep. 6, 1994
5293413 System for pressure relief of the containment of a nuclear power plant Mar. 8, 1994
5283010 Tritium removal Feb. 1, 1994
5272738 Device for monitoring the atmosphere withing a nuclear reactor containment Dec. 21, 1993
5267283 Nuclear reactor Nov. 30, 1993
5267282 Device for monitoring the stack exit air in a reactor installation Nov. 30, 1993
5247547 Improvements in gloveboxes and like containments Sep. 21, 1993
5227127 Filtered venting system for reactor containment vessel of nuclear power plant Jul. 13, 1993
5223209 Method for pressure relief of the containment of a nuclear power plant Jun. 29, 1993
5154877 Passive off-site radiation reduction apparatus Oct. 13, 1992
5089217 Clean-up sub-system for chemical decontamination of nuclear reactor primary systems Feb. 18, 1992
5078960 Device for relieving the pressure in the containment of a nuclear power station Jan. 7, 1992
H920 Method of removing cesium from steam May. 7, 1991
4976938 Hydrogen isotope separation utilizing bulk getters Dec. 11, 1990
4964900 Respirator filter means for removal of tritiated water Oct. 23, 1990
4935196 Differential atmospheric tritium sampler Jun. 19, 1990
4925623 Clamping arrangement for stainless steel fiber filter elements May. 15, 1990
4913850 Process for the removal of iodine and organic iodine compounds from gases and vapors using silver-containing zeolite of the faujasite type Apr. 3, 1990
4900506 High-temperature reactor Feb. 13, 1990
4895644 Fluid supply and recirculation system Jan. 23, 1990
4875945 Process for cleaning the exhaust gas of a fusion reactor Oct. 24, 1989
4865803 Gas discharge system for the safety containment of a nuclear reactor Sep. 12, 1989
4863677 Nuclear power plant having a containment Sep. 5, 1989
4859405 Filtered venting and decay heat removing apparatus and system for containment structures, and method of operation Aug. 22, 1989
4849155 Process and apparatus for decontaminating exhaust gas from a fusion reactor fuel cycle of exhaust gas components containing chemically bonded tritium and/or deuterium Jul. 18, 1989
4775397 Air supply and recirculation system Oct. 4, 1988
4755359 Arrangement for the removal of hydrogen Jul. 5, 1988
4741882 Arrangement for cleaning gaseous atmospheres from a plurality of separate, contained working spaces May. 3, 1988
4735786 Adsorbent for and method of removing iodine compounds Apr. 5, 1988
4733852 Gas-liquid separator Mar. 29, 1988
4707342 Process for separation of hydrogen and/or deuterium and tritium from an inert gas flow and apparatus for effectuation of process in the cooling gas circuit of a gas-cooled nuclear reactor Nov. 17, 1987
4699637 Hydrogen permeation membrane Oct. 13, 1987
4698202 Process for installation for the controlled discharge of activity from a reactor containment structure of a gas-cooled nuclear power plant Oct. 6, 1987
4695561 Chemically impregnated in situ regeneration of the efficiency of activated carbon filters for trapping radioactive iodine Sep. 22, 1987

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