US PATENT SUBCLASS 34 / 305
.~.~ By evaporating moisturizing fluid

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

282  DF  PROCESS {24}
302  DF  .~ Congealing or thickening {3}
305.~.~ By evaporating moisturizing fluid

DEFINITION

Classification: 34/305

By evaporating moisturizing fluid:

(under subclass 302) Process wherein the material treated is thickened or congealed by the vaporization of the wetting agent in the material treated.

(1) Note. This includes boiling, vacuum treatment, evaporation by exposure to a desiccant, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

287+, for freeze-drying by vacuum.