US PATENT SUBCLASS 95 / 54
.~.~ Oxygen permeates barrier

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

43  DF  SELECTIVE DIFFUSION OF GASES {2}
45  DF  .~ Selective diffusion of gases through substantially solid barrier (e.g., semipermeable membrane, etc.) {10}
54.~.~ Oxygen permeates barrier

DEFINITION

Classification: 95/54

Oxygen permeates barrier:

(under subclass 45) Process in which oxygen (O2[end subscrpt]) selectively diffuses through a substantially solid barrier.