C07D 237/12
Halogen atoms or nitro radicals
C07D237/12 (Halogen atoms or nitro radicals) appears on 95 US grants and 66 published applications in this corpus.
Search patents in C07D- Granted patents
- 95
- Published applications
- 66
- Assignees
- 65
- Inventors
- 348
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 6 |
| 2005 | 0 | 0 |
| 2006 | 2 | 4 |
| 2007 | 2 | 2 |
| 2008 | 3 | 5 |
| 2009 | 1 | 2 |
| 2010 | 0 | 10 |
| 2011 | 4 | 3 |
| 2012 | 3 | 5 |
| 2013 | 0 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 3 |
| 2024 | 1 | 4 |
| 2025 | 4 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pnictogen-containing heterocyclic compounds and their use3 Mar 2026US 12,564,636 B2Colgate University
- Heterocyclyl pyridazine as fungicidal compounds23 Dec 2025US 12,501,900 B2Bayer Aktiengesellschaft
- Cyclopropyl-(hetero)aryl-substituted ethylsulphonyl-pyridine derivatives7 Oct 2025US 12,435,083 B2Boehringer Ingelheim Vetmedica GmbH
- Pyridazinol compound, derivative thereof, preparation method therefor, herbicidal composition and use thereof15 Jul 2025US 12,356,990 B2Qingdao Kingagroot Chemical Compound Co., Ltd.
- Class of phosphine nitrogen ligand with multiple chiral centers and its synthesis method and application15 Apr 2025US 12,275,752 B2Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
- Heterocyclyl pyridazine as fungicidal compounds21 May 2026US 2026/0137083 A1Bayer Aktiengesellschaft
- Cyclopropyl-(hetero)aryl-substituted ethylsulphonyl-pyridine derivatives16 Apr 2026US 2026/0103464 A1Boehringer Ingelheim Vetmedica GmbH
- Process for the preparation of diversely substituted cyanocyclopropyl-heterocycles or arenes31 Jul 2025US 2025/0243169 A1Syngenta Crop Protection AG
- Cyclopropyl-(hetero)aryl-substituted ethyl-sulfoxime-pyridine derivatives10 Oct 2024US 2024/0336615 A1Boehringer Ingelheim Vetmedica GmbH
- Covalent Inhibitors As Antiviral Agents3 Oct 2024US 2024/0327334 A1Enanta Pharmaceuticals, Inc.
Most cited
By later US patents
- 6-Phenyl-1,2,4-triazolo[4,3-b]pyridazines and their uses in treating anxiety54US 4,230,705 AAmerican Cyanamid Company · 1980
- 6-Phenyl-1,2,4-triazolo[4,3-b]pyridazine hypotensive agents53US 4,112,095 AAmerican Cyanamid Company · 1978
- Pyridyl alkylenediamine compounds insecticidal53US 4,806,553 ANihon Tokushu Noyaku Seizo K. K. · 1989
- Pyridyl and pyridazinyl substituted thyronine compounds having selective thyromimetic activity33US 4,766,121 ASmith Kline & French Laboratories Limited · 1988
- Pyridazine derivatives28US 5,461,053 ASanofi · 1995