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Class Information
Number: 976/DIG.99
Name: Nuclear technology > Moderator or core structure; selection of materials for use as moderator [g21c-5/00]

Sub-classes under this class:

Class Number Class Name Patents
976/DIG.105 Characterized by composition (e.g., the moderator containing additional substances which ensure improved heat resistance of the moderator [g21c-5/12] *** (purification of fluid moderators during the operation of the reactor dig. 266) 4
976/DIG.108 Characterized by shape [g21c-5/14] 1
976/DIG.110 Characterized by the provision of more than one active zone [g21c-5/18] 8
976/DIG.100 Details [g21c-5/02] 21

Patents under this class:

Patent Number Title Of Patent Date Issued
4894200 Method of operating a nuclear reactor Jan. 16, 1990
4871508 Method for operation of a light water boiling reactor Oct. 3, 1989
4657725 Core for a nuclear reactor cooled by water under pressure Apr. 14, 1987
4567018 Core construction of nuclear reactor Jan. 28, 1986
4460538 Core construction of nuclear reactor Jul. 17, 1984
4378329 Nuclear reactor core construction Mar. 29, 1983
4324615 Construction of nuclear reactor core Apr. 13, 1982
4285771 Nuclear core and fuel assemblies Aug. 25, 1981

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