US PATENT SUBCLASS 34 / 297
.~.~.~.~ Having specific type of material support

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  DF  .~.~.~ And heating {6}
297.~.~.~.~ Having specific type of material support

DEFINITION

Classification: 34/297

Having specific type of material support:

(under subclass 289) Process wherein the underlying holder for the treated material is of a unique or special type such as shelving, a removable tray, stacked treatment units, etc.