US PATENT SUBCLASS 436 / 175
.~ Digestion or removing interfering materials


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

174  DF  INCLUDING SAMPLE PREPARATION {6}
175.~ Digestion or removing interfering materials


DEFINITION

Classification: 436/175

Digestion or removing interfering materials:

(under subclass 174) Processes wherein the material to be analyzed is subjected to a step of disintegration by a chemical reagent or in which a substance which interferes with subsequent analysis is removed.

(1) Note. The interference may be chemical or physical (i.e., entrapment in a matrix, etc.).