US PATENT SUBCLASS 210 / 176
.~ Thermal diffusion

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

175  DF  WITH HEATER OR HEAT EXCHANGER {8}
176.~ Thermal diffusion

DEFINITION

Classification: 210/176

(under subclass 175) Apparatus which separate a liquid mixture into two or more dissimilar fractions by subjecting a thin film of liquid mixture to a temperature gradient.

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775, for related processes.