US PATENT SUBCLASS 376 / 167
.~.~.~.~ With tracer injection

Current as of: June, 1999
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376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

156  DF  NUCLEAR TRANSMUTATION (E.G., BY MEANS OF PARTICLE OR WAVE ENERGY) {4}
158  DF  .~ By neutron bombardment {10}
159  DF  .~.~ Neutron activation analysis {1}
160  DF  .~.~.~ Subterranean {2}
167.~.~.~.~ With tracer injection

DEFINITION

Classification: 376/167

With tracer injection:

(under subclass 160) Subject matter wherein the material is injected into the earth and then activated or transmuted.

(1) Note. The material is usually in fluid form.