US PATENT SUBCLASS 96 / 7
.~ Plural separate barriers

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

4  DD  APPARATUS FOR SELECTIVE DIFFUSION OF GASES (E.G., SEMIPERMEABLE MEMBRANE, ETC.) {6}
7.~ Plural separate barriers {2}
8  DF  .~.~> Parallel hollow fibers or cylinders (e.g., bundled, etc.)
9  DF  .~.~> Barriers connected in series

DEFINITION

Classification: 96/7

Plural separate barriers:

(under subclass 4) Apparatus comprising two or more distinctly separate barriers (e.g., membrane stack, etc.).