(under subclass 149) Process in which the contact liquid contains an agent that either (a) resolves or breaks a frothy or sudslike dispersion that was formed during the liquid-gas contact into separate fluid phases or (b) prevents formation of a frothy or sudslike dispersion during the liquid-gas contact.
SEE OR SEARCH THIS CLASS, SUBCLASS:
157, and 242, for other processes of defoaming a liquid.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
115+, for processes of or compositions for or subcombination compositions for the breaking of or inhibiting of foam colloid systems, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
