US PATENT SUBCLASS 95 / 69
.~.~ Distinct separation step precedes electric or electrostatic treatment


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}
63  DF  .~ And nonelectrical separation of fluid mixture {5}
69.~.~ Distinct separation step precedes electric or electrostatic treatment


DEFINITION

Classification: 95/69

Distinct separation step precedes electric or electrostatic treatment:

(under subclass 63) Process in which at least one nonelectrical separating step is performed on the fluid mixture before electric or electrostatic treatment.

SEE OR SEARCH CLASS

55, Gas Separation,

315+, for serial diverse separating media not including an electrical separation apparatus.

96, Gas Separation: Apparatus,

55+, for electrical separation apparatus with serially arranged diverse separators; in particular, subclass 57 for such apparatus preceded by a nonelectrical separator.