US PATENT SUBCLASS 422 / 41
.~.~ Of liquid

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}
40  DF  .~ Process of storage or protection {1}
41.~.~ Of liquid {1}
42  DF  .~.~.~> By preventing evaporation {1}

DEFINITION

Classification: 422/41

Of liquid:

(under subclass 40) Process wherein the substance stored or protected is a liquid under the conditions employed.

(1) Note. Included herein is the storage in a molten state of a material solid at room temperature.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

9+, for continuous liquid phase colloid systems (e.g., foams, emulsions, suspensions, dispersions) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.