US PATENT SUBCLASS 34 / 377
.~.~ Recirculation of a portion of the treated material

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
376  DF  .~ With treated material recirculation {1}
377.~.~ Recirculation of a portion of the treated material {2}
378  DF  .~.~.~> With additional treating of recirculated portion (e.g., heating, cooling, separating)
379  DF  .~.~.~> Recirculated portion mixed with untreated material

DEFINITION

Classification: 34/377

Recirculation of a portion of the treated material:

(under subclass 376) Process wherein only a segment of the treated material is returned to the initial source for further treatment.