(under subclass 64.01) Subject matter wherein the material is in the form of a gel, i.e., a jellylike substance formed by coagulation of a colloidal solution into a solid phase.
SEE OR SEARCH CLASS
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
98+, for continuous or semicontinuous solid phase (gels, pastes), or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.
