US PATENT SUBCLASS 514 / 490
.~.~.~.~ Ring attached directly to oxygen of N-C(=0)-0

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}
476  DF  .~ N-C(=X)X containing (X is chalcogen) DOAI {3}
478  DF  .~.~ N-C(=X)-X-C containing {6}
489  DF  .~.~.~ Ring in alcohol moiety {1}
490.~.~.~.~ Ring attached directly to oxygen of N-C(=0)-0

DEFINITION

Classification: 514/490

Ring attached directly to oxygen of N-C(=O)-O:

(under subclass 489) Subject matter wherein the ring is directly attached to the oxygen of the NO.

(1) Note. This subclass contains, e.g., [figure] [caption], etc.