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Class Information
Number: 376/339
Name: Induced nuclear reactions: processes, systems, and elements > Control component for a fission reactor > Nonconventional control material
Description: Subject matter wherein the reactivity affecting material is defined in terms of its composition or elemental constituents and in other than one of the conventional control material, i.e., boron or cadmium.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8711997 Reactor core of liquid metal cooled reactor Apr. 29, 2014
8681924 Single-plate neutron absorbing apparatus and method of manufacturing the same Mar. 25, 2014
8537962 Advanced gray rod control assembly Sep. 17, 2013
8462910 Neutron shield Jun. 11, 2013
8295427 Control rod for a pressurized water nuclear reactor Oct. 23, 2012
8295425 Fast reactor having reactivity control reflector Oct. 23, 2012
8031826 Neutron absorber consisting of refractory metal infused with discrete neutron absorber Oct. 4, 2011
7477719 Control rod and a control rod blade for a boiling water reactor Jan. 13, 2009
7469029 Control rod and a control rod blade for a boiling water reactor Dec. 23, 2008
7424085 Cluster for adjusting a nuclear reactor core reactivity, absorber rod of the cluster and method for protecting the absorber rod against wear Sep. 9, 2008
7412021 Advanced gray rod control assembly Aug. 12, 2008
7286626 Neutron absorbing coating for nuclear criticality control Oct. 23, 2007
7139352 Reactivity control rod for core Nov. 21, 2006
6721382 Absorber member and control rod Apr. 13, 2004
6654438 Control rod for boiling water reactor, unit for control rod and production method of control rod Nov. 25, 2003
6442227 Sleeve assembly for nuclear fuel racks Aug. 27, 2002
6340536 Zirconium and niobium alloy comprising erbium, preparation method and component containing said alloy Jan. 22, 2002
6226340 Hermaphroditic absorber loading for higher worth control rods May. 1, 2001
5820818 Stainless steel having excellent thermal neutron absorption ability Oct. 13, 1998
5700962 Metal matrix compositions for neutron shielding applications Dec. 23, 1997
5684847 Silver-based alloy containing indium and cadmium for the production of neutron-absorber components, and use Nov. 4, 1997
5610959 Hafnium doped replacement rod for nuclear fuel reconstitution Mar. 11, 1997
5503893 Ultra-high performance carbon composites Apr. 2, 1996
5479463 Neutron absorbing apparatus Dec. 26, 1995
5416813 Moderator rod containing burnable poison and fuel assembly utilizing same May. 16, 1995
5386439 Spectral shift nuclear reactor with improved efficiency Jan. 31, 1995
5330589 Hafnium alloys as neutron absorbers Jul. 19, 1994
5316597 A nuclear reactor comprising a reactor vessel and structural members made of an austenitic stainless steel having superior resistance to irradiation-induced segregation May. 31, 1994
5276718 Control blade for nuclear reactor Jan. 4, 1994
5267290 Zirconium alloy absorber layer Nov. 30, 1993
5267284 Zirconium alloy containing isotopic erbium Nov. 30, 1993
5250231 Nuclear fuel with isotopically depleted burnable absorber Oct. 5, 1993
5242631 Method for coating nuclear fuel pellets Sep. 7, 1993
5242622 Process for the production of a neutron absorbing pellet, the pellet obtained and the use thereof Sep. 7, 1993
5241571 Corrosion resistant zirconium alloy absorber material Aug. 31, 1993
5156804 High neutron-absorbing refractory compositions of matter and methods for their manufacture Oct. 20, 1992
5136619 Thermal breeder fuel enrichment zoning Aug. 4, 1992
5118468 Method of making a metal, neutron absorbing element and the element obtained Jun. 2, 1992
5116569 Austenitic steel excellent in resistance to neutron irradiation embrittlement and members made of the steel May. 26, 1992
5075075 Nuclear reactor core having nuclear fuel and composite burnable absorber arranged for power peaking and moderator temperature coefficient control Dec. 24, 1991
5034185 Control blade for nuclear reactor Jul. 23, 1991
H897 Boron-copper neutron absorbing material and method of preparation Mar. 5, 1991
4992225 Water corrosion-resistant ceramic oxide body Feb. 12, 1991
4891080 Workable boron-containing stainless steel alloy article, a mechanically worked article and process for making thereof Jan. 2, 1990
4880597 Alloy coated fuel cladding Nov. 14, 1989
4879086 Neutron economic reactivity control system for light water reactors Nov. 7, 1989
4865769 Radiation shielding material and process for preparing the same Sep. 12, 1989
4826647 Spectral shift reactor May. 2, 1989
4826630 Burnable neutron absorbers May. 2, 1989
4818477 PCI resistant fuel and method and apparatus for controlling reactivity in a reactor core Apr. 4, 1989

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