C07C 311/00
Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo
Official title: 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
C07C311/00 (Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo) appears on 4,115 US grants and 3,754 published applications in this corpus.
Search patents in C07C- Granted patents
- 4,115
- Published applications
- 3,754
- Assignees
- 1,583
- Inventors
- 11,498
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 26 | 0 |
| 1978 | 46 | 0 |
| 1979 | 15 | 0 |
| 1980 | 12 | 0 |
| 1981 | 21 | 0 |
| 1982 | 12 | 0 |
| 1983 | 13 | 0 |
| 1984 | 29 | 0 |
| 1985 | 19 | 0 |
| 1986 | 31 | 0 |
| 1987 | 21 | 0 |
| 1988 | 25 | 0 |
| 1989 | 28 | 0 |
| 1990 | 45 | 0 |
| 1991 | 45 | 0 |
| 1992 | 61 | 0 |
| 1993 | 67 | 0 |
| 1994 | 61 | 0 |
| 1995 | 80 | 0 |
| 1996 | 94 | 0 |
| 1997 | 124 | 0 |
| 1998 | 118 | 0 |
| 1999 | 120 | 0 |
| 2000 | 122 | 0 |
| 2001 | 155 | 33 |
| 2002 | 163 | 154 |
| 2003 | 166 | 230 |
| 2004 | 126 | 244 |
| 2005 | 105 | 207 |
| 2006 | 99 | 168 |
| 2007 | 126 | 173 |
| 2008 | 110 | 159 |
| 2009 | 108 | 183 |
| 2010 | 111 | 190 |
| 2011 | 122 | 155 |
| 2012 | 129 | 149 |
| 2013 | 119 | 132 |
| 2014 | 135 | 163 |
| 2015 | 141 | 156 |
| 2016 | 105 | 135 |
| 2017 | 135 | 156 |
| 2018 | 111 | 124 |
| 2019 | 120 | 122 |
| 2020 | 85 | 119 |
| 2021 | 80 | 115 |
| 2022 | 70 | 116 |
| 2023 | 59 | 107 |
| 2024 | 61 | 117 |
| 2025 | 63 | 77 |
| 2026 | 48 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 311/15Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of1,634
- C07C 311/01Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms1,418
- C07C 311/30Sulfonamides, the carbon skeleton of the acid part being further substituted by1,065
- C07C 311/22Sulfonamides, the carbon skeleton of the acid part being further substituted by824
- C07C 311/50Compounds containing any of the groups [image cpc-sch-c07c-0977.gif], x being a hetero639
- C07C 311/48Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo363
- C07C 311/14Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of125
- C07C 311/65N-sulfonylisocyanates111
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Most cited
By later US patents
- Phenyl heterocycles as cox-2 inhibitors281US 5,474,995 AMerck Frosst Canada, Inc. · 1995
- Arylsulfonylamino hydroxamic acid derivatives213US 5,863,949 APfizer Inc. · 1999
- Phenyl heterocycles as cox-2 inhibitors208US 5,550,142 AMerck Frosst Canada, Inc. · 1996
- 5-methanesulfonamido-1-indanones as an inhibitor of cyclooxygenase-2206US 5,604,260 AMerck Frosst Canada, Inc. · 1997
- Phenyl heterocycles as COX-2 inhibitors204US 5,536,752 AMerck Frosst Canada, Inc. · 1996