US PATENT SUBCLASS 422 / 208
.~.~ Apparatus operates at positive pressure

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
198  DF  .~ Including heat exchanger for reaction chamber or reactants located therein {6}
208.~.~ Apparatus operates at positive pressure

DEFINITION

Classification: 422/208

Apparatus operates at positive pressure:

(under subclass 198) Apparatus wherein the apparatus operates a pressure above that of the ambient environment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

242, for positive pressure reactor, per se.

295, for physical type positive pressure reactor.