US PATENT SUBCLASS 436 / 122
.~ Sulfur dioxide

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

119  DF  SULFUR CONTAINING {3}
122.~ Sulfur dioxide

DEFINITION

Classification: 436/122

Sulfur dioxide:

(under subclass 119) Subject matter in which SO2, per se, is the specie which is subject to a quantitative or qualitative chemical analysis.