.~ With preservative, stabilizer, or fixative (e.g., retarding evaporation)
DEFINITION
Classification: 512/2
(under subclass 1) Compositions which include a chemical compound whose sole purpose is to prevent chemical change, or to extend the life of the perfume by retarding evaporation of the perfume active ingredient.
SEE OR SEARCH CLASS
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 when there is no hierarchically superior provision in the USPC for the specifically claimed art.
