US PATENT SUBCLASS 34 / 413
.~ Gas or vapor pressure is superatmospheric

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

282  DF  PROCESS {24}
413.~ Gas or vapor pressure is superatmospheric {2}
414  DF  .~.~> Sheet, web, or strand
415  DF  .~.~> Including addition of treating agent

DEFINITION

Classification: 34/413

Gas or vapor pressure is superatmospheric:

(under subclass 282) Process wherein the treated material is subjected to a constant pressure above atmospheric in at least one closed treating vessel.

(1) Note. See (1) Note in subclass 406.