US PATENT SUBCLASS 202 / 176
.~.~.~.~ With distilland treating devices


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

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
152  DF  .~.~ Separatory {3}
163  DF  .~.~.~ Still {13}
176.~.~.~.~ With distilland treating devices {2}
177  DF  .~.~.~.~.~> Preheater {3}
181  DF  .~.~.~.~.~> Level control


DEFINITION

Classification: 202/176

Systems provided with means for treating the distilland before or during distillation. This may include filtering, decanting, aeration, preheating, or other treatment of the distilland.

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, 159 and 168+.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

277.1, and 277.2.

201, Distillation: Processes, Thermolytic, appropriate subclass for a process directed to treating a solid, carbonaceous distilland before or during distillation.

203, Distillation: Processes, Separatory, appropriate subclass for a distillation process directed to treating a distilland before or during distillation, particularly

28+, for a process including a chemical reaction, subclasses 39+ for a process including a disparate physical separation step and subclasses 50+, for a process including adding a substance to alter the relative volatility of the components of the distilland.