US PATENT SUBCLASS 514 / 938
.~ Oil-water type


Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

937  DF  DISPERSION OR EMULSION {1}
938.~ Oil-water type {1}
939  DF  .~.~> Mineral oil-water type {4}


DEFINITION

Classification: 514/938

Oil-water type:

(under subclass 937) Subject matter wherein the dispersion or emulsion contains both an oil and water. This subclass covers both oil-in-water and water-in-oil type emulsions.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

9+, for continuous liquid phase colloid systems (e.g., foams, emulsions, suspensions, dispersions) 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.