US PATENT SUBCLASS 436 / 108
.~ Urea or blood urea nitrogen

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

106  DF  NITROGEN CONTAINING {7}
108.~ Urea or blood urea nitrogen

DEFINITION

Classification: 436/108

Urea or blood urea nitrogen:

(under subclass 107) Subject matter in which a test is directed to a qualitative or quantitative test for N2 - CO - N2 or is directed to a determination of blood urea nitrogen.