US PATENT SUBCLASS 34 / 286
.~.~.~ With gas or vapor flow to remove frozen fluid

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}
285  DF  .~.~ With separating of frozen fluid from treated material {1}
286.~.~.~ With gas or vapor flow to remove frozen fluid

DEFINITION

Classification: 34/286

With gas or vapor flow to remove frozen fluid:

(under subclass 285) Process of contacting the frozen treated material with a gas or vapor flow to remove the frozen fluid.

(1) Note. This gas or vapor flow could melt, sublimate, or separate the moisture from the treated material.