US PATENT SUBCLASS 202 / 84
.~.~ Separatory and thermolytic


Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
84.~.~ Separatory and thermolytic


DEFINITION

Classification: 202/84

Systems of apparatus including kilns, retorts, or chambers in which the distilland is subjected to both separatory and thermolytic distillation. The two species of distillation may occur simultaneously in separate chambers or successively in a single chamber.