US PATENT SUBCLASS 422 / 38
.~ Using fluent heat transfer medium 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}
38.~ Using fluent heat transfer medium other than air


DEFINITION

Classification: 422/38

Using fluent heat transfer medium other than air:

(under subclass 1) Process wherein the article or material is treated by heating the same with a fluent heat transfer medium other than air.

(1) Note. When it cannot be determined whether a fluent medium is only for heat transfer or whether the medium is also a disinfecting or sterilizing agent, the patent is placed in subclass 28 and cross-referenced here. See note in subclass 28.