US PATENT SUBCLASS 366 / 604
Current as of: June, 1999
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Mixer for the production of foam or lather.
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279+, for rotatable stirrer in stationary mixing chamber for producing lather or foam.
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516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making,
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.