US PATENT SUBCLASS 34 / 423
.~.~ Sequential drying treatments

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

282  DF  PROCESS {24}
418  DF  .~ Diverse types of drying operations {3}
423.~.~ Sequential drying treatments {2}
424  DF  .~.~.~> Of slurry or suspension
425  DF  .~.~.~> Using rotating drum

DEFINITION

Classification: 34/423

Sequential drying treatments:

(under subclass 418) Process wherein multiple drying operations are applied individually and in a specific order.