US PATENT SUBCLASS 95 / 289
.~ Cold wall-hot wall thermal diffusion


Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

288  DF  HEAT EXCHANGING {2}
289.~ Cold wall-hot wall thermal diffusion


DEFINITION

Classification: 95/289

Cold wall-hot wall thermal diffusion:

(under subclass 288) Process in which the separation occurs by contacting the plurality of gases with plural surfaces of different temperatures to cause migration of gaseous constituents to one surface or another.

(1) Note. This subclass takes specific refrigerating steps for maintaining the cooler wall at the lower temperature.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus,

221, for corresponding apparatus. Patents are not cross-referenced from Class 96, subclass 221 to this subclass based only on disclosure. Therefore, relevant disclosures of gas separation processes may be found in the apparatus area.