US PATENT SUBCLASS 210 / 775
.~.~.~ Thermal diffusion


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210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
767  DF  .~ Separating {16}
774  DF  .~.~ Including temperature change {1}
775.~.~.~ Thermal diffusion


DEFINITION

Classification: 210/775

Thermal diffusion:

(under subclass 774) Process wherein the temperature modification comprises exposing the mixture to opposed surfaces which have different temperatures whereby stratification occurs.

SEE OR SEARCH THIS CLASS, SUBCLASS:

176, for diffusion apparatus.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

289, for processes of gas separation involving cold wall-hot wall thermal diffusion.