US PATENT SUBCLASS 95 / 171
.~.~.~ Inert stripping gas

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

149  DF  LIQUID CONTACTING (E.G., SORPTION, SCRUBBING, ETC.) {20}
156  DF  .~ And degasification of a liquid {7}
159  DF  .~.~ By stripping with gas {5}
171.~.~.~ Inert stripping gas

DEFINITION

Classification: 95/171

Inert stripping gas:

(under subclass 159) Process in which the stripping gas is specified as being inert or is one of the following gases: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), nitrogen (N2), or carbon dioxide (CO2).