C07C311/15 - CPC Classification Index

ClassID:

93429 ⎘

C07C311/15 - CPC Classification

Classification description:

Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings

Sub-classes:

C07C311/16 » having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom 232
C07C311/20 » having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a ring other than a six-membered aromatic ring 141
C07C311/21 » having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring 465

Recent Application in this class:

20250092171

2025-03-20

HIGH-PURITY 4-(2-BROMOETHYL)BENZENESULFONIC ACID, HIGH-PURITY STYRENESULFONIC ACID COMPOUND DERIVED THEREFROM, AND POLYMER THEREOF, AND METHODS FOR PRODUCING SAME