US PATENT SUBCLASS 436 / 92-- .~ Diverse hetero atoms in same or different rings (e.g., alkaloids, opiates, etc.)

US PATENT SUBCLASS 436 / 92
.~ Diverse hetero atoms in same or different rings (e.g., alkaloids, opiates, etc.)

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

91	DF	HETEROCYCLIC CARBON COMPOUND (I.E., O, S, N, Se, Te, AS ONLY RING HETERO ATOM) {3}
92		.~ Diverse hetero atoms in same or different rings (e.g., alkaloids, opiates, etc.)

DEFINITION

Classification: 436/92

Diverse hetero atoms in same or different rings (e.g., alkaloids, opiates, etc.):

(under subclass 91) Subject matter in which (a) a single carbon ring has more than one diverse hetero atom or (b) a fused- or bridged-ring system has diverse hetero atoms in one or more of the carbon rings.

(1) Note. This subclass provides for (a) alkaloids which include opiates such as morphine, codeine, strychnine, quinine, cocaine, and nicotine and (b) phenothazines such as chlopromazine, trifluoperazine, and triflupromazine.