C07D 213/42
Having hetero atoms attached to the substituent nitrogen atom
Official title: having hetero atoms attached to the substituent nitrogen atom (nitro radicals C07D213/26)
C07D213/42 (Having hetero atoms attached to the substituent nitrogen atom) appears on 286 US grants and 273 published applications in this corpus.
Search patents in C07D- Granted patents
- 286
- Published applications
- 273
- Assignees
- 202
- Inventors
- 1,179
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 1 |
| 2002 | 11 | 10 |
| 2003 | 13 | 11 |
| 2004 | 10 | 18 |
| 2005 | 5 | 17 |
| 2006 | 7 | 15 |
| 2007 | 6 | 10 |
| 2008 | 11 | 18 |
| 2009 | 13 | 15 |
| 2010 | 6 | 9 |
| 2011 | 8 | 15 |
| 2012 | 9 | 14 |
| 2013 | 8 | 17 |
| 2014 | 9 | 9 |
| 2015 | 6 | 14 |
| 2016 | 4 | 9 |
| 2017 | 11 | 9 |
| 2018 | 7 | 7 |
| 2019 | 4 | 6 |
| 2020 | 6 | 12 |
| 2021 | 8 | 6 |
| 2022 | 2 | 9 |
| 2023 | 2 | 9 |
| 2024 | 4 | 7 |
| 2025 | 3 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broad spectrum anti-cancer compounds19 May 2026US 12,630,527 B2The Regents of the University of California
- Hydrazone derivative in which terminal amine group is substituted with aryl group or heteroaryl group, and use thereof31 Mar 2026US 12,590,071 B2Korea Institute of Science and Technology
- Ionizable lipids and compositions and uses thereof24 Mar 2026US 12,583,817 B2Massachusetts Institute of Technology
- Compound, preparation method thereof, and use thereof24 Mar 2026US 12,583,818 B2Daegu-Gyeongbuk Medical Innovation Foundation
- Hydrogenation of imines by palladium based catalyst17 Mar 2026US 12,577,205 B2Council of Scientific and Industrial Research
- Amide compounds or salts thereof, bactericidal agents for agriculture and horticulture containing said compounds, and method of using same23 Jul 2026US 2026/0206763 A1Nihon Nohyaku Co., Ltd.
- Ionizable lipids and compositions and uses thereof2 Jul 2026US 2026/0184671 A1Massachusetts Institute of Technology
- Electrophilic reactive linkers for labeling of polypeptides and methods of use thereof25 Jun 2026US 2026/0174880 A1President and Fellows of Harvard College
- Small molecule inhibitors of bacterial toxins4 Jun 2026US 2026/0152470 A1Artizan Biosciences
- Substituted Phenylbenzenesulfonamide Derivatives and Uses Thereof6 Nov 2025US 2025/0340510 A1Nine Square Therapeutics Corporation
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Arylsulfonamido-substituted hydroxamic acids110US 5,455,258 ACiba-Geigy Corporation · 1995
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Arylsulfonamido-substituted hydroxamic acids85US 5,552,419 ACiba-Geigy Corporation · 1996
- Arylsufonamido-substituted hydroxamic acids78US 5,506,242 ACiba-Geigy Corporation · 1996