(under subclass 4) Methods and apparatus by which certain components of a mixture may be deflocculated or dispersed
relatively to others or by which certain components may be flocculated to facilitate subsequent separation.
(1) Note. This subclass receives only methods and apparatus in which the deflocculation or coagulation is contributory to a subsequent separation of some components from others.
SEE OR SEARCH THIS CLASS, SUBCLASS:
166, through 170, for bubble flotation with treatment for the purpose of modifying the factors of flotation and for bubble flotation apparatus.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting, appropriate subclasses for subject matter relating to: colloid systems (such as sols*, emulsions, dispersions, foams, aerosols, smokes, gels, or pastes) or wetting agents (such as leveling, penetrating, or spreading); subcombination compositions of colloid systems containing at least an agent specialized and designed for or peculiar to use in making or stabilizing colloid systems; compositions and subcombination compositions specialized and designed for or peculiar to use in breaking (resolving) or inhibiting colloid systems; processes of making the compositions or systems of the class; processes of breaking (resolving) or inhibiting colloid systems; in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
