US PATENT SUBCLASS 422 / 48
.~.~ Membrane

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

44  DF  BLOOD TREATING DEVICE FOR TRANSFUSIBLE BLOOD {1}
45  DF  .~ Oxygenator {3}
48.~.~ Membrane

DEFINITION

Classification: 422/48

Membrane:

(under subclass 45) Apparatus wherein a membrane (e.g., semipermeable microporous, etc.) separates the blood from the oxygenating medium.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus,

4+, for apparatus for selective diffusion of gases (e.g., semipermeable membrane, etc.).

210, Liquid Purification or Separation,

634+, for selective separation using septum selective to composition.