US PATENT SUBCLASS 34 / 415
.~.~ Including addition of treating agent

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

282  DF  PROCESS {24}
413  DF  .~ Gas or vapor pressure is superatmospheric {2}
415.~.~ Including addition of treating agent

DEFINITION

Classification: 34/415

Including addition of treating agent:

(under subclass 413) Process wherein a modifying agent is applied to the treated material or the treating gas or vapor

to regulate or promote the treating of the material without a resulting chemical reaction.