US PATENT SUBCLASS 436 / 117
.~.~ Only nitrogen dioxide

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

106  DF  NITROGEN CONTAINING {7}
116  DF  .~ Oxides of nitrogen {2}
117.~.~ Only nitrogen dioxide

DEFINITION

Classification: 436/117

Only nitrogen dioxide:

(under subclass 116) Subject matter in which nitrogen dioxide is the only nitrogen oxide determined.

(1) Note. NO2 may be in admixture with other gases NOx, CO2, SO2, etc., but is the only gas quantitatively detected.