US PATENT SUBCLASS 422 / 226
.~.~.~ In positive pressure reactor

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}
224  DF  .~ Including internal mixing or stirring means {2}
225  DF  .~.~ Mechanical type stirring means {4}
226.~.~.~ In positive pressure reactor

DEFINITION

Classification: 422/226

In positive pressure reactor:

(under subclass 225) Apparatus wherein pressure is maintained greater than the ambient pressure.