Through a gel (e.g., Ouchterlony technique, etc.):
(under subclass 514) Subject matter in which migration of the antigen or antibody is through a gel.
(1) Note. Included herein is the use of agar or gelatin in tubes or on plates.
SEE OR SEARCH CLASS
204, Chemistry: Electrical and Wave Energy,
456+, for gel electrophoresis, in general.
516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,
98+, for colloid systems of continuous or semicontinuous solid phase with discontinuous liquid phase (gels, pastes, flocs, coagulates) or agents for such systems or making or stabilizing such systems or agents, when generically claimed or there is no art class. Class 516 provides for compositions otherwise seemingly proper for Class 436 when the compostions are colloid systems or wetting agents.
