US PATENT SUBCLASS 202 / 208
.~.~.~ Directly heated chamber

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

81  DF  APPARATUS {4}
*  DD  .~ Types {3}
*  DD  .~.~ Separatory and thermolytic {3}
208.~.~.~ Directly heated chamber

DEFINITION

Classification: 202/208

A single chamber which is heated internally by heating medium

passed therethrough directly in contact with the distilland.