US PATENT SUBCLASS 34 / 289
.~.~.~ And heating

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

282  DF  PROCESS {24}
284  DF  .~ Freeze-drying {3}
287  DF  .~.~ Including vacuum {2}
289.~.~.~ And heating {6}
290  DF  .~.~.~.~> Continuous processing {2}
293  DF  .~.~.~.~> With gas or vapor treating
294  DF  .~.~.~.~> Desiccant or molecular sieve
295  DF  .~.~.~.~> Including mixing or agitating
296  DF  .~.~.~.~> Having specific container
297  DF  .~.~.~.~> Having specific type of material support

DEFINITION

Classification: 34/289

And heating:

(under subclass 287) Process involving increasing the temperature of the material treated or the separated frozen or unfrozen fluid to promote the removal or separation of the moisture from the treated material or a treatment chamber.