US PATENT SUBCLASS 436 / 111
.~ Amine and quaternary ammonium

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

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

DEFINITION

Classification: 436/111

Amine and quaternary ammonium:

(under subclass 106) Subject matter in which the specie to be determined contains an amino group.

(1) Note. Amines R is an organic radical

Primary = H2Nr; Secondary = R H N R (imines); Tertiary = R2NR; Quaternary = R4NOH (ammonium) Amide -CONH2

(2) Note. This subclass would provide for aralkylamines such as amphetamine, methamphetamine, methadone, propxyphene, and methaquaone.