US PATENT SUBCLASS 34 / 378
.~.~.~ With additional treating of recirculated portion (e.g., heating, cooling, separating)

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  DF  .~.~ Recirculation of a portion of the treated material {2}
378.~.~.~ With additional treating of recirculated portion (e.g., heating, cooling, separating)

DEFINITION

Classification: 34/378

With additional treating of recirculated portion (e.g., heating, cooling, separating):

(under subclass 377) Process wherein an extra drying or nondrying treatment is applied to the portion of the treated material that is recirculated before the material is returned to the initial treatment source.