US PATENT SUBCLASS 422 / 230
.~.~ Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc.

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
224  DF  .~ Including internal mixing or stirring means {2}
230.~.~ Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc. {1}
231  DF  .~.~.~> Gas sparger type mixing means submerged in liquid reactant

DEFINITION

Classification: 422/230

Thermosyphon or differential density mixing means; e.g., means internally recycling reaction mass via differential density pumping, etc.:

(under subclass 224) Apparatus having thermosyphon or differential density type mixing means; e.g., means internally recycling the reaction mass via differential density pumping through a draft tube, etc.