US PATENT SUBCLASS 95 / 80
.~.~ Pulsing or time-varying electric field (e.g., AC, pulsed DC, etc.)

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

57  DF  ELECTRIC OR ELECTROSTATIC FIELD (E.G., ELECTROSTATIC PRECIPITATION, ETC.) {9}
79  DF  .~ Plural separate stages or zones (e.g., separate ionization and collection regions, etc.) {1}
80.~.~ Pulsing or time-varying electric field (e.g., AC, pulsed DC, etc.)

DEFINITION

Classification: 95/80

Pulsing or time-varying electric field (e.g., AC, pulsed DC, etc.):

(under subclass 79) Process involving the application of a voltage which fluctuates with time during treatment of the gaseous fluid mixture.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus,

54, for electrical separation apparatus having an alternating current field.