(under subclass 53.01) Subject matter wherein the determination is made by measuring either the ability of the liquid or the liquid suspension to remove undesirable matter from a surface or the ability of liquid or the liquid suspension to foam bubbles.
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,
113+, for compositions for or subcombination compositions for or breaking of or inhibiting of colloid systems (e.g., foam breaking, emulsion breaking, dispersion inhibiting, suspension settling, gel breaking, smoke suppressing, coagulating, flocculating), in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
