C07D 233/44
Nitrogen atoms not forming part of a nitro radical
C07D233/44 (Nitrogen atoms not forming part of a nitro radical) appears on 391 US grants and 219 published applications in this corpus.
Search patents in C07D- Granted patents
- 391
- Published applications
- 219
- Assignees
- 204
- Inventors
- 1,016
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 15 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 24 | 0 |
| 1982 | 16 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 0 |
| 2002 | 13 | 12 |
| 2003 | 9 | 17 |
| 2004 | 10 | 15 |
| 2005 | 4 | 12 |
| 2006 | 7 | 11 |
| 2007 | 7 | 8 |
| 2008 | 7 | 20 |
| 2009 | 4 | 11 |
| 2010 | 9 | 13 |
| 2011 | 8 | 7 |
| 2012 | 10 | 3 |
| 2013 | 6 | 10 |
| 2014 | 11 | 7 |
| 2015 | 7 | 5 |
| 2016 | 7 | 11 |
| 2017 | 7 | 8 |
| 2018 | 4 | 13 |
| 2019 | 10 | 4 |
| 2020 | 5 | 7 |
| 2021 | 4 | 6 |
| 2022 | 3 | 7 |
| 2023 | 3 | 5 |
| 2024 | 5 | 2 |
| 2025 | 1 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07D 233/50With carbocyclic radicals directly attached to said nitrogen atoms144
- C07D 233/52With hetero atoms directly attached to said nitrogen atoms96
- C07D 233/48With acyclic hydrocarbon or substituted acyclic hydrocarbon radicals, attached to said nitrogen94
- C07D 233/46With only hydrogen atoms attached to said nitrogen atoms75
Recent patents
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- Novel carboxy ligands and use thereof in catalysts18 Dec 2025US 2025/0381554 A1BASF SE
- Compositions for treating and/or preventing cell or tissue necrosis specifically targeting cathepsin c and/or cela1 and/or cela3a and/or structurally related enzymes thereto11 Sep 2025US 2025/0282740 A1Ela Pharma Ltd.
- Hydantoin containing deoxyuridine triphosphatase inhibitors12 Jun 2025US 2025/0188039 A1CV6 Therapeutics (NI) Limited
- Compositions, methods, and systems for the synthesis and use of imaging agents29 May 2025US 2025/0170282 A1Lantheus Medical Imaging, Inc.
Most cited
By later US patents
- Heterocyclic compounds114US 4,742,060 ANihon Tokushu Noyaku Seizo K. K. · 1988
- N-bridged selective androgen receptor modulators and methods of use thereof76US 7,022,870 B2University of Tennessee Research Foundation · 2006
- Meta-substituted phenylene derivatives72US 5,773,646 AG. D. Searle & Co. · 1998
- Modulators of ATP-binding cassette transporters69US 8,759,335 B2Vertex Pharmaceuticals Incorporated · 2014
- Heterocyclic thiazole compounds48US 4,845,106 ANihon Tokushu Noyaku Seizo K. K. · 1989