.~ 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.