C07C 311/20
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 a carbon atom of a ring other than a six-membered aromatic ring
C07C311/20 (Having the nitrogen atom of at least one of the sulfonamide groups) appears on 193 US grants and 188 published applications in this corpus.
Search patents in C07C- Granted patents
- 193
- Published applications
- 188
- Assignees
- 136
- Inventors
- 776
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 0 |
| 2002 | 13 | 10 |
| 2003 | 10 | 5 |
| 2004 | 5 | 17 |
| 2005 | 10 | 15 |
| 2006 | 5 | 7 |
| 2007 | 13 | 10 |
| 2008 | 10 | 9 |
| 2009 | 2 | 9 |
| 2010 | 4 | 13 |
| 2011 | 2 | 7 |
| 2012 | 9 | 7 |
| 2013 | 8 | 11 |
| 2014 | 4 | 9 |
| 2015 | 10 | 10 |
| 2016 | 8 | 8 |
| 2017 | 10 | 7 |
| 2018 | 6 | 10 |
| 2019 | 6 | 5 |
| 2020 | 2 | 5 |
| 2021 | 4 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 4 |
| 2024 | 2 | 4 |
| 2025 | 0 | 1 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
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- Npyy5 antagonists74US 6,699,891 B1Shionogi & Co., Ltd. · 2004
- Amino-benzocycloalkane derivatives63US 6,197,798 B1Novartis AG · 2001
- α- and β-amino acid hydroxyethylamino sulfonamides useful as retroviral protease inhibitors56US 6,248,775 B1G. D. Searle & Co. · 2001
- N,N′-substituted-1,3-diamino-2-hydroxypropane derivatives56US 7,176,242 B2Elan Pharmaceuticals, Inc. · 2007