US PATENT SUBCLASS 205 / 423
.~.~.~ Nitrogen containing hetero ring

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

334  DF  ELECTROLYTIC SYNTHESIS (PROCESS, COMPOSITION, AND METHOD OF PREPARING COMPOSITION) {21}
413  DF  .~ Preparing organic compound {18}
422  DF  .~.~ Heterocyclic compound produced {2}
423.~.~.~ Nitrogen containing hetero ring {2}
424  DF  .~.~.~.~> Polycyclo ring system having the hetero ring as one of the cyclos {1}
426  DF  .~.~.~.~> The hetero ring is six-membered

DEFINITION

Classification: 205/423

Nitrogen containing hetero ring:

(under subclass 422) Subject matter wherein the hetero ring system contains a nitrogen atom as a ring member.