US PATENT SUBCLASS 95 / 97
.~.~.~ Sweep gas used

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

90  DF  SOLID SORPTION {8}
95  DF  .~ Including reduction of pressure {3}
96  DF  .~.~ Plural pressure varying steps (e.g., pressure swing adsorption, etc.) {2}
97.~.~.~ Sweep gas used {1}
98  DF  .~.~.~.~> Feed gas or constituent thereof is sweep gas {3}

DEFINITION

Classification: 95/97

Sweep gas used:

(under subclass 96) Process in which a gas is used to purge the constituent separated from the solid sorbent or a gas is used to regenerate the solid sorbent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93, for processes of solid sorption and liquid contact including use of a sweep gas on a solid sorbent.

104+, for processes in which a sweep gas is used to carry desorbed gas without the use of plural pressure varying.