US PATENT SUBCLASS 209 / 175
.~.~.~.~.~ Processes

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

132  DF  FLUID SUSPENSION {2}
155  DF  .~ Liquid {5}
162  DF  .~.~ Floating {3}
172  DF  .~.~.~ Gravity liquid {3}
174  DF  .~.~.~.~ Metallic (i.e., amalgamators) {6}
175.~.~.~.~.~ Processes {3}
176  DF  .~.~.~.~.~.~> With chemical treatment {2}
179  DF  .~.~.~.~.~.~> With electric treatment {2}
182  DF  .~.~.~.~.~.~> With heat treatment

DEFINITION

Classification: 209/175

(under subclass 174) Processes involving the use of metallic liquid as a medium for the separation of those components of a mixture which have a lesser specific gravity from those that have a greater specific gravity than the liquid.