.~ Cryogen stored in both phases (e.g., as slush or gel)
DEFINITION
Classification: 62/54.1
Cryogen stored in both phases (e.g., as slush or gel):
(under subclass 45.1) Process or apparatus wherein the product of refrigeration is stored as a mixture of substances having diverse phase characteristics; e.g., a slush, a slurry, a colloidal suspension, etc.
(1) Note. The substances may have the same chemical composition, differing only in phase (e.g., both solid and liquid).
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting, for colloid systems or agents for such systems or making or stabilizing such systems or agents, especially
9+, for continuous liquid phase (emulsions, slurries, suspensions), subclasses 98+ for continuous or semicontinuous solid phase (gels, pastes); in each instance, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
