US PATENT SUBCLASS 514 / 238.5
.~.~.~.~.~ The nitrogen is double or triple bonded directly to carbon

Current as of: June, 1999
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514 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

1  DF  DESIGNATED ORGANIC ACTIVE INGREDIENT CONTAINING (DOAI) {29}
183  DF  .~ Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., O,S,Se or Te) or nitrogen as the only ring hetero atoms DOAI {16}
228.8  DF  .~.~ Hetero ring is six-membered and includes at least nitrogen and oxygen as ring hetero atoms (e.g., monocyclic 1,2- and 1,3-oxazines, etc.) {4}
231.2  DF  .~.~.~ Morpholines (i.e., fully hydrogenated 1,4- oxazines) {5}
237.8  DF  .~.~.~.~ Nitrogen attached indirectly to the morpholine ring by acyclic nonionic bonding {2}
238.5.~.~.~.~.~ The nitrogen is double or triple bonded directly to carbon

DEFINITION

Classification: 514/238.5

The nitrogen is double or triple bonded directly to carbon:

(under subclass 237.8) Subject matter in which carbon is bonded directly to the nitrogen by a double or triple bond.

(1) Note. An example of an active ingredient provided for herein is: [figure]