US PATENT SUBCLASS 436 / 112
.~.~ Tertiary amine

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

106  DF  NITROGEN CONTAINING {7}
111  DF  .~ Amine and quaternary ammonium {2}
112.~.~ Tertiary amine

DEFINITION

Classification: 436/112

Tertiary amine:

(under subclass 111) Subject matter in which the specie tested for is NR3 where R is an organic radical.