US PATENT SUBCLASS 514 / 358
.~.~.~ The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salt, etc.)

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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}
277  DF  .~.~ Hetero ring is six-membered consisting of one nitrogen and five carbon atoms {11}
358.~.~.~ The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salt, etc.)

DEFINITION

Classification: 514/358

The ring nitrogen of the six-membered hetero ring is pentavalent (e.g., quaternary pyridinium salts, etc.):

(under subclass 277) Subject matter wherein the ring nitrogen of the six-membered ring is pentavalent.

(1) Note. Examples of compounds provided for herein are: [figure] [figure] [caption], etc.