US PATENT SUBCLASS 514 / 480
.~.~.~ Polycyclo ring system attached by nonionic bonding

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}
480.~.~.~ Polycyclo ring system attached by nonionic bonding {1}
481  DF  .~.~.~.~> Naphthyl ring system

DEFINITION

Classification: 514/480

Polycyclo ring system attached by nonionic bonding:

(under subclass 478) Subject matter wherein the compound contains a polycyclo ring system, e.g., [figure] [caption], etc.

(1) Note. Compounds wherein the polycyclo system is ionically bonded to the moiety containing the grouping, as shown below, are excluded from this subclass. [figure]