US PATENT SUBCLASS 422 / 23
.~.~ In atmosphere other than air

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}
22  DF  .~ Using direct contact with electrical or electromagnetic radiation {2}
23.~.~ In atmosphere other than air

DEFINITION

Classification: 422/23

In atmosphere other than air:

(under subclass 22) Process wherein the treatment takes place in a specified atmosphere other than air.