US PATENT SUBCLASS 422 / 290
.~.~.~.~ And indirect contact heating fluid means in separating or dissolving chamber

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}
285  DF  .~.~ And heating means {2}
288  DF  .~.~.~ Including means removing vapor from treated material {2}
290.~.~.~.~ And indirect contact heating fluid means in separating or dissolving chamber

DEFINITION

Classification: 422/290

And indirect contact heating fluid means in separating or dissolving chamber:

(under subclass 288) Apparatus having means for indirectly contacting a heating fluid with the material being treated and being located within the chamber wherein separation or dissolution occurs.