US PATENT SUBCLASS 564 / 80
.~.~ 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)

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.~.~ 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}
81  DF  .~.~.~> Hydrazine containing
82  DF  .~.~.~> Plural sulfonamide groups containing or containing plural sulfonyls bonded directly to the same nitrogen {1}
84  DF  .~.~.~> Substituent Q contains benzene ring {5}
95  DF  .~.~.~> Substituent Q is acyclic {2}

DEFINITION

Classification: 564/80

(under subclass 1) Compounds which are sulfonamides and contain the grouping below wherein R-SO2 - is the residue of a sulfonic acid and N is the residue of an amino nitrogen containing compound. [figure]

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