(under the class definition) Processes of exfoliating or
intumescing vermiculite, other micaceous substances, or other materials, or the products of such processes.
SEE OR SEARCH CLASS
99, Foods and Beverages: Apparatus,
323.4, for apparatus for puffing or intumescing cereal foods.
106, Compositions: Coating or Plastic, appropriate subclasses particularly
122, 601+ and 672+ for coating or plastic compositions containing expanded materials, and subclasses 417+ for micaceous pigments or fillers. 125, Stone Working,
23.01+, for processes of or apparatus for splitting mica or other materials.
241, Solid Material Comminution or Disintegration,
4, for processes of comminuting micaceous substances.
426, Food or Edible Material: Processes, Compositions, and Products, appropriate subclasses for puffing or intumescing food grain.
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; including those instances when a composition would otherwise be proper for this subclass (378).
