US PATENT SUBCLASS 514 / 603
.~.~.~.~ Nitrogen in Q

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}
579  DF  .~ Nitrogen containing other than solely as a nitrogen in an inorganic ion of an addition salt, a nitro or a nitroso DOAI {22}
601  DF  .~.~ Sulfonamides (i.e., Q-(O=)S(=O)-N, wherein Q is a substituent and wherein any substituent attached to the nitrogen will be referred to as E) {2}
602  DF  .~.~.~ Q contains benzene ring {2}
603.~.~.~.~ Nitrogen in Q

DEFINITION

Classification: 514/603

Nitrogen in Q:

(under subclass 602) Subject matter wherein the residue of the aromatic sulfonamide contains nitrogen, e.g., [figure] [caption], etc.