US PATENT SUBCLASS 435 / 297.4
.~.~.~.~ Including hollow fiber or capillary

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  DF  .~.~ Including semipermeable membrane or filter {2}
297.2  DF  .~.~.~ Including perfusion means {2}
297.4.~.~.~.~ Including hollow fiber or capillary

DEFINITION

Classification: 435/297.4

Including hollow fiber or capillary:

(under subclass 297.2) Apparatus wherein the semipermeable membrane or filter consists of hollow fibers or capillary membranes.

(1)

Note: Hollow fibers and capillary membranes are small diameter open ended tubes, the walls of which are semipermeable.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation, particularly

500.23+, for hollow fiber or cylinder material.