US PATENT SUBCLASS 202 / 264
.~.~ Foam control
Current as of: June, 1999
Click HD for Main Headings
Click for All Classes
DEFINITION
Classification: 202/264
Means is associated with the still for preventing foam formation or for breaking foam already formed.
SEE OR SEARCH CLASS
96, Gas Separation: Apparatus,
155+, for degasifying means for liquid.
201, Distillation: Processes, Thermolytic,
9, for a process directed to treating a solid distilland to inhibit foaming.
203, Distillation: Processes, Separatory,
20, for a process directed to inhibiting foaming of a distilland. 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.
