US PATENT SUBCLASS 436 / 110
.~ Nitrite or nitrate

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

106  DF  NITROGEN CONTAINING {7}
110.~ Nitrite or nitrate

DEFINITION

Classification: 436/110

Nitrite or nitrate:

(under subclass 106) Subject matter in which the specie determined is (1) a salt of nitric acid, or compound containing the radical -NO3 or (2) a salt of nitrous acid or a compound containing the radical -NO2.

(1) Note. This subclass does not provide for nitrogen oxide gases.