US PATENT SUBCLASS 204 / 644
.~.~ Isoelectric focusing (i.e., uses pH variation)

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}
644.~.~ Isoelectric focusing (i.e., uses pH variation)

DEFINITION

Classification: 204/644

Isoelectric focusing (i.e., using pH variation):

(under subclass 600) Apparatus in which a pH gradient is established in the medium to affect the migration of different particles or components based on their isoelectric points (the point having a pH at which the net charge on the particle or component is neutral).

SEE OR SEARCH THIS CLASS, SUBCLASS:

548, for corresponding processes.

610, for gel electrophoresis-type isoelectric focusing apparatus.