US PATENT SUBCLASS 205 / 424
.~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos

Current as of: June, 1999
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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  DF  .~.~.~ Nitrogen containing hetero ring {2}
424.~.~.~.~ Polycyclo ring system having the hetero ring as one of the cyclos {1}
425  DF  .~.~.~.~.~> Diverse hetero atoms in the polycyclo ring system

DEFINITION

Classification: 205/424

Polycyclo ring system having the hetero ring as one of the cyclos:

(under subclass 423) Subject matter wherein the hetero ring system is a polycyclo ring system (i.e., a fused or bridged ring system) having the hetero ring as one of the cyclos in the ring system.