US PATENT SUBCLASS 435 / 297.1
.~.~ Including semipermeable membrane or filter

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

283.1  DF  APPARATUS {9}
289.1  DF  .~ Bioreactor {16}
297.1.~.~ Including semipermeable membrane or filter {2}
297.2  DF  .~.~.~> Including perfusion means {2}
297.5  DF  .~.~.~> In combination with a dish, plate, or tray

DEFINITION

Classification: 435/297.1

Including semipermeable membrane or filter:

(under subclass 289.1) Apparatus wherein the reaction chamber includes at least one semi-porous membrane or filter that is designed for holding or excluding a solid or dissolved reactant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

295.3, for semi-permeable membrane or filter containing reactors in combination with a draft tube.