.~ Including foaming of liquid to aid in the separation
DEFINITION
Classification: 95/150
Including foaming of liquid to aid in the separation:
(under subclass 149) Process in which a frothy or sudslike dispersion of gas in the contact liquid is formed to aid in the separation.
(1) Note. When foam is intentionally formed, it will be assumed to aid in the separation unless otherwise stated.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting, appropriate subclasses for colloid systems or agents for such systems or making or stabilizing such systems or agents (
10+, for foaming), appropriate subclasses for processes of or compositions for or subcombination compositions for the breaking of or inhibiting of colloid systems (subclasses 115+ for defoaming); in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.