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Class Information
Number: 420/2
Name: Alloys or metallic compositions > Radioactive > Actinide base; singly or in combination
Description: Alloy or metallic composition in which contains over 50 percent of a single metal of atomic number 89 to 103 inclusive, or wherein the total of all these metals taken together is over 50 percent of weight of the total alloy or metallic composition.

Sub-classes under this class:

Class Number Class Name Patents
420/3 Uranium base 25

Patents under this class:

Patent Number Title Of Patent Date Issued
6760396 Coated metal articles and method of making Jul. 6, 2004
6623712 Method for dissolving plutonium or a plutonium alloy and converting it into nuclear fuel Sep. 23, 2003
6528541 Method for supplying bioavailable methionine to a cow Mar. 4, 2003
5112534 Yttrium and rare earth stabilized fast reactor metal fuel May. 12, 1992
4929275 Magnetic alloy compositions and permanent magnets May. 29, 1990
4814046 Process to separate transuranic elements from nuclear waste Mar. 21, 1989
4764228 Method for preparing hydride configurations and reactive metal surfaces Aug. 16, 1988
4380470 Ductile transplutonium metal alloys Apr. 19, 1983
4059439 Pu-Zr alloy for high-temperature foil-type fuel Nov. 22, 1977
4039378 Pu-ZR Alloy high-temperature activation-measurement foil Aug. 2, 1977

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