US PATENT SUBCLASS 514 / 158
.~.~.~ The hetero ring is five-membered

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}
155  DF  .~ Para-N-benzene - sulfoxy-N containing DOAI, and said benzene ring is not part of a polycyclo ring system {1}
156  DF  .~.~ Hetero ring containing {2}
158.~.~.~ The hetero ring is five-membered

DEFINITION

Classification: 514/158

The hetero ring is five-membered:

(under subclass 156) Subject matter wherein the heterocyclic group has five members, e.g., sulfamoxole, [figure] [caption], etc.