US PATENT SUBCLASS 422 / 186.24
.~.~.~.~.~ With nitrogen fixation means

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}
186  DF  .~ With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction {3}
186.04  DF  .~.~ Electrostatic field or electrical discharge {4}
186.21  DF  .~.~.~ Arc or spark discharge means {4}
186.23  DF  .~.~.~.~ With preparatory or product-treating means {2}
186.24.~.~.~.~.~ With nitrogen fixation means

DEFINITION

Classification: 422/186.24

With nitrogen fixation means:

(under subclass 186.23) Subject matter including means for separating nitrogen as nitrogen compounds from the other components of air.