US PATENT SUBCLASS 564 / 86
.~.~.~.~ Nitrogen in substituent Q

Current as of: June, 1999
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564 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ AMINO NITROGEN CONTAINING (E.G., UREA, SULFONAMIDES, NITROSAMINES, OXYAMINES, ETC., AND SALTS THEREOF) {37}
80  DF  .~.~ Sulfonamides (i.e., Q-(O=)S(=O)-HNH, wherein Q is a substituent and wherein any substituent replacing one or both hydrogens shown will be referred to as E) {4}
84  DF  .~.~.~ Substituent Q contains benzene ring {5}
86.~.~.~.~ Nitrogen in substituent Q {1}
87  DF  .~.~.~.~.~> Nitro or nitroso in substituent Q

DEFINITION

Classification: 564/86

(under subclass 84) Compounds wherein the residue of the aromatic sulfonic acid contains nitrogen.

(1) Note. This subclass contains, for example: [figure] [figure]