C07C 251/24
Having carbon atoms of imino groups bound to carbon atoms of six-membered
Official title: having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
C07C251/24 (Having carbon atoms of imino groups bound to carbon atoms of six-membered) appears on 353 US grants and 336 published applications in this corpus.
Search patents in C07C- Granted patents
- 353
- Published applications
- 336
- Assignees
- 272
- Inventors
- 1,103
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 8 |
| 2002 | 21 | 19 |
| 2003 | 18 | 18 |
| 2004 | 13 | 18 |
| 2005 | 8 | 7 |
| 2006 | 7 | 9 |
| 2007 | 4 | 5 |
| 2008 | 8 | 15 |
| 2009 | 7 | 19 |
| 2010 | 11 | 15 |
| 2011 | 8 | 18 |
| 2012 | 7 | 15 |
| 2013 | 12 | 15 |
| 2014 | 16 | 18 |
| 2015 | 16 | 16 |
| 2016 | 16 | 11 |
| 2017 | 14 | 13 |
| 2018 | 8 | 14 |
| 2019 | 10 | 14 |
| 2020 | 14 | 10 |
| 2021 | 3 | 10 |
| 2022 | 14 | 14 |
| 2023 | 5 | 9 |
| 2024 | 7 | 6 |
| 2025 | 6 | 11 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Amyloid binding nitrogen-linked compounds for the antemortem diagnosis of alzheimer's disease, in vivo imaging and prevention of amyloid deposits87US 6,417,178 B1University of Pittsburgh · 2002
- 7-substituted tetracycline compounds84US 6,818,635 B2Paratek Pharmaceuticals, Inc. · 2004