US PATENT SUBCLASS 204 / 550
.~.~ Ionophoresis

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

*  DD  PROCESSES AND PRODUCTS {7}
450  DF  .~ Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere {14}
550.~.~ Ionophoresis

DEFINITION

Classification: 204/550

Ionophoresis:

(under subclass 450) Process which involves the separation or removal of ions from solution by electrophoresis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

516+, for electrophoretic or electro-osmotic barrier separation of inorganic siliceous or calcareous material.

518+, for electrophoretic or electro-osmotic barrier separation of other materials.

SEE OR SEARCH CLASS

604, Surgery,

20+, for an iontophoresis process or apparatus used to

introduce ionic medication through unbroken skin under the influence of a direct electric current.