US PATENT SUBCLASS 34 / 361
.~.~.~ Including applying vacuum

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

282  DF  PROCESS {24}
359  DF  .~ With fluid current conveying or suspension of treated material {3}
360  DF  .~.~ Suspension of treated material {10}
361.~.~.~ Including applying vacuum

DEFINITION

Classification: 34/361

Including applying vacuum:

(under subclass 360) Process wherein the material treated is subjected to subatmospheric pressure while the material is suspended.

(1) Note. This treatment will normally be carried out in a closed or sealed chamber to maintain the subatmospheric environment.