US PATENT SUBCLASS 436 / 115
.~.~ As part of an elemental analysis

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

106  DF  NITROGEN CONTAINING {7}
114  DF  .~ Total nitrogen determined {1}
115.~.~ As part of an elemental analysis

DEFINITION

Classification: 436/115

As part of an elemental analysis:

(under subclass 114) Subject matter in which the total nitrogen content is determined as part of an elemental analysis in which at least one other element is quantitatively determined.