C07C 311/16
Having the nitrogen atom of at least one of the sulfonamide groups
Official title: having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom
C07C311/16 (Having the nitrogen atom of at least one of the sulfonamide groups) appears on 932 US grants and 801 published applications in this corpus.
Search patents in C07C- Granted patents
- 932
- Published applications
- 801
- Assignees
- 500
- Inventors
- 3,086
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 18 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 16 | 0 |
| 1993 | 16 | 0 |
| 1994 | 9 | 0 |
| 1995 | 24 | 0 |
| 1996 | 37 | 0 |
| 1997 | 52 | 0 |
| 1998 | 40 | 0 |
| 1999 | 35 | 0 |
| 2000 | 29 | 0 |
| 2001 | 47 | 9 |
| 2002 | 47 | 41 |
| 2003 | 49 | 60 |
| 2004 | 27 | 54 |
| 2005 | 24 | 53 |
| 2006 | 26 | 36 |
| 2007 | 29 | 41 |
| 2008 | 23 | 30 |
| 2009 | 19 | 41 |
| 2010 | 27 | 38 |
| 2011 | 26 | 33 |
| 2012 | 28 | 28 |
| 2013 | 19 | 26 |
| 2014 | 21 | 34 |
| 2015 | 25 | 32 |
| 2016 | 23 | 32 |
| 2017 | 32 | 28 |
| 2018 | 19 | 29 |
| 2019 | 27 | 26 |
| 2020 | 21 | 21 |
| 2021 | 16 | 27 |
| 2022 | 13 | 24 |
| 2023 | 5 | 18 |
| 2024 | 7 | 15 |
| 2025 | 13 | 15 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Calpain-2 inhibitor compounds and methods of treatment21 Apr 2026US 12,606,520 B2Western University of Health Sciences
- Sulfur and amide tropolone inhibitors of nucleotidyl transferases and uses therefor21 Apr 2026US 12,606,529 B2Research Foundation of the City University of New York
- Bioactive benzocycloheptene analogues from himachalenes and its applications7 Apr 2026US 12,595,234 B2Council of Scientific and Industrial Research
- Multifunctional linker compounds10 Mar 2026US 12,570,600 B220Bloc, Inc.
- Benzenesulfonamide derivatives and uses thereof24 Feb 2026US 12,559,454 B22692372 Ontario, Inc.
- Isotopologues of aminoheteroaryl kinase inhibitors and uses thereof13 Aug 2026US 2026/0234111 A1Allorion Therapeutics Inc
- Novel carboxamide and sulfonamide pesticidal compounds30 Jul 2026US 2026/0215423 A1Syngenta Crop Protection AG
- Kcnt1 inhibitors comprising a phenyl, pyridine, or pyrimidine core and methods of use16 Jul 2026US 2026/0199311 A1Praxis Precision Medicines, Inc.
- Probenecid compounds for the treatment of inflammasome-mediated dermatological conditions25 Jun 2026US 2026/0176232 A1Bacainn Biotherapeutics, Ltd.
- Small molecule direct inhibitors of keap1-nrf2 protein-protein interaction11 Jun 2026US 2026/0158027 A1Rutgers, The State University of New Jersey
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Compositions for oral delivery of active agents159US 5,650,386 AEmisphere Technologies, Inc. · 1997
- Benzamides and related inhibitors of factor Xa155US 7,285,565 B2Millennium Pharmaceuticals, Inc. · 2007
- Sulfonamide inhibitors of aspartyl protease147US 5,585,397 AVertex Pharmaceuticals Incorporated · 1996
- Compounds and compositions for delivering active agents125US 5,866,536 AEmisphere Technologies, Inc. · 1999