US PATENT SUBCLASS 34 / 330
.~.~ With regeneration or removal 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}
329  DF  .~ With contacting of material treated with solid or liquid agent {5}
330.~.~ With regeneration or removal of treating agent {3}
331  DF  .~.~.~> Treating agent consists of both solid and liquid
332  DF  .~.~.~> Treating agent is a solid {4}
337  DF  .~.~.~> Treating agent is a liquid {2}

DEFINITION

Classification: 34/330

With regeneration or removal of treating agent:

(under subclass 329) Process wherein the solid or liquid treating agent added to the material is treated itself to renew its capacity to treat the material or is removed from the treatment process after use.