US PATENT SUBCLASS 514 / 234.2
.~.~.~.~.~.~.~.~ Three or more ring hetero atoms in the bicyclo ring system


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}
231.5  DF  .~.~.~.~ Additional hetero ring attached directly or indirectly to the morpholine ring by nonionic bonding {3}
232.8  DF  .~.~.~.~.~ Polycyclo ring system having the additional hetero ring as one of the cyclos {2}
233.5  DF  .~.~.~.~.~.~ Bicyclo ring system having the additional hetero ring as one of the cyclos {2}
233.8  DF  .~.~.~.~.~.~.~ Plural ring hetero atoms in the bicyclo ring system {2}
234.2.~.~.~.~.~.~.~.~ Three or more ring hetero atoms in the bicyclo ring system


DEFINITION

Classification: 514/234.2

Three or more ring hetero atoms in the bicyclo ring system:

(under subclass 233.8) Subject matter in which the bicyclo ring system contains at least three ring hetero atoms.

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