US PATENT SUBCLASS 34 / 321
.~.~.~ Including heating

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

282  DF  PROCESS {24}
312  DF  .~ By centrifugal force {6}
318  DF  .~.~ Rotating drum or basket {5}
321.~.~.~ Including heating

DEFINITION

Classification: 34/321

Including heating:

(under subclass 318) Process wherein an increase in temperature is applied to the treated material.