C07C 311/30

Sulfonamides, the carbon skeleton of the acid part being further substituted by

Official title: Sulfonamides, the carbon skeleton of the acid part being further substituted by singly-bound nitrogen atoms, not being part of nitro or nitroso groups

C07C311/30 (Sulfonamides, the carbon skeleton of the acid part being further substituted by) appears on 1,065 US grants and 986 published applications in this corpus.

Search patents in C07C
Granted patents
1,065
Published applications
986
Assignees
578
Inventors
3,584
Latest grant
29 Sep 2026

Filings by year

C07C 311/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976120
197750
1978120
197960
198060
198120
198210
198310
198410
198510
198630
198710
198820
198920
199070
199180
1992130
1993140
1994140
1995180
1996250
1997270
1998370
1999320
2000370
2001355
20025147
20035071
20043478
20054158
20063253
20074048
20083541
20093649
20102355
20113025
20124039
20133440
20143751
20153449
20162430
20173433
20182226
20192329
20202527
20212528
20221425
20231421
20241530
20251319
2026179

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents