US PATENT SUBCLASS 204 / 632
.~.~.~.~ And ion exchange material (e.g., suspended ion exchange resin particles, etc.)

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
600  DF  .~ Electrophoretic or electro-osmotic apparatus {11}
627  DF  .~.~ Barrier separator (e.g., electrodialyzer, etc.) {5}
630  DF  .~.~.~ Ion selective {5}
632.~.~.~.~ And ion exchange material (e.g., suspended ion exchange resin particles, etc.)

DEFINITION

Classification: 204/632

And ion exchange material (e.g., suspended ion exchange resin particles, etc.):

(under subclass 630) Apparatus in which ion exchange material (e.g., suspended ion exchange resin particles, etc.) is also used.

SEE OR SEARCH THIS CLASS, SUBCLASS:

626, for electrophoretic or electro-osmotic coating or forming apparatus with ion exchange material for regeneration or replenishment of a coating bath or electrolyte.