US PATENT SUBCLASS 422 / 16
.~.~.~ Using organic nitrogen compound other than ammonium salt

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

1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING {15}
7  DF  .~ Maintaining environment nondestructive to metal {5}
14  DF  .~.~ Essentially pure water environment {5}
16.~.~.~ Using organic nitrogen compound other than ammonium salt

DEFINITION

Classification: 422/16

Using organic nitrogen compound other than ammonium salt:

Process under subclass wherein an organic nitrogen compound is employed.

(1) Note. The presence of the NH4 + ion in an organic salt will not be considered to make the compound nitrogen containing for purposes of this subclass.