US PATENT SUBCLASS 95 / 175
.~.~.~ Vacuum applied

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}
172  DF  .~.~ By reduction of pressure (e.g., flashing, etc.) {4}
175.~.~.~ Vacuum applied

DEFINITION

Classification: 95/175

Vacuum applied:

(under subclass 172) Process in which the step of pressure reduction is accomplished by using a pressure below that of the atmosphere.