US PATENT SUBCLASS 422 / 26
.~ Using direct contact steam to disinfect or sterilize

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

1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING {15}
26.~ Using direct contact steam to disinfect or sterilize {1}
27  DF  .~.~> And additional disinfecting or sterilizing agent

DEFINITION

Classification: 422/26

Using direct contact steam to disinfect or sterilize:

(under subclass 1) Process wherein water vapor at a temperature above the boiling point of liquid water at the pressure employed is used to directly contact and destroy noxious organisms.