US PATENT SUBCLASS 252 / 640
.~.~.~ Free metal or metal compound component
Current as of:
June, 1999
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252 /
HD
COMPOSITIONS
625
DF
RADIOACTIVE COMPOSITIONS
{4}
636
DF
.~ Nuclear reactor fuel {4}
637
DF
.~.~ Actinide having nonactinide component {3}
640
.~.~.~ Free metal or metal compound component
DEFINITION
Classification: 252/640
Free metal or metal compound component:
(under subclass 637) Compositions wherein the nonactinide element containing component is a free metal or a metal compound.
SEE OR SEARCH THIS CLASS, SUBCLASS:
638, for nuclear reactor fuel having metallic oxide including ceramic material.
639, for nuclear reactor fuel having a metallic carbide.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,
201+, for cermet nuclear reactor fuels.
