US PATENT SUBCLASS 422 / 260
.~.~.~ Including heating and cooling means

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

243  DF  PHYSICAL TYPE APPARATUS {8}
255  DF  .~ Means separating or dissolving a material constituent {3}
256  DF  .~.~ Liquid-liquid contact means {3}
260.~.~.~ Including heating and cooling means

DEFINITION

Classification: 422/260

Including heating and cooling means:

(under subclass 256) Apparatus having means for both elevating and lowering the temperature of the material being treated.