(under subclass 2) Compositions which contain volatile noninflammable liquids (other than water) or liquids charged with gases, the gases being dissolved or liquefied, or processes of making the same.
SEE OR SEARCH THIS CLASS, SUBCLASS:
3, for fire extinguishive compositions which contain foams or gas phases.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
10+, for foam colloid systems 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.
