US PATENT SUBCLASS 422 / 223
.~.~ With contact material regenerating means, per se, or combined with reactor

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}
211  DF  .~ Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc. {10}
223.~.~ With contact material regenerating means, per se, or combined with reactor

DEFINITION

Classification: 422/223

With contact material regenerating means, per se, or combined with reactor:

(under subclass 211) Apparatus having means for renewing the contact material, the means being recited either, per se, or in combination with a chemical reactor utilizing the contact material.