C07D 247/02
Heterocyclic compounds containing rings having two nitrogen atoms as the only ring
Official title: having the nitrogen atoms in positions 1 and 3
C07D247/02 (Heterocyclic compounds containing rings having two nitrogen atoms as the only ring) appears on 21 US grants and 22 published applications in this corpus.
Search patents in C07D- Granted patents
- 21
- Published applications
- 22
- Assignees
- 20
- Inventors
- 87
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 5 |
| 2018 | 3 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 0 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic material composition and applications thereof23 Jun 2026US 12,662,472 B2Ningbo Lumilan Advanced Materials Co., Ltd.
- Or relating to curing agents26 Mar 2024US 11,939,421 B2Hexcel Composites Limited
- Extreme ultraviolet photoresist with high-efficiency electron transfer7 Nov 2023US 11,809,080 B2Taiwan Semiconductor Manufacturing Company.Ltd
- 1,4-diphenyl-1H-imidazole and 2,4-diphenylthiazole derivatives and preparation method therefor and use thereof18 Oct 2022US 11,472,815 B2Southern Medical University
- Extreme ultraviolet photoresist with high-efficiency electron transfer23 Aug 2022US 11,422,465 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Transcription Factor Brn2 Inhibitory Compounds for Use as Therapeutics26 Jun 2025US 2025/0205204 A1
- Process for the preparation of pyridazinone derivatives11 Jan 2024US 2024/0010637 A1Syngenta Crop Protection AG
- Organic material composition and applications thereof4 May 2023US 2023/0140609 A1Ningbo Lumilan Advanced Materials Co., Ltd.
- Extreme Ultraviolet Photoresist With High-Efficiency Electron Transfer1 Dec 2022US 2022/0382156 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Improvements in or relating to curing agents1 Jul 2021US 2021/0198420 A1Hexcel Composites Limited
Most cited
By later US patents
- 1,3-Diaryl-2-imino-imidazolidines and compounds16US 4,369,325 AEgyt Gyogyszervegyeszeti Gyar · 1983
- 1,3-Diaryl-2-imino-imidazolidines and compositions thereof14US 4,284,642 AEgyt Gyogyszervegyeszeti Gyar · 1981
- Process for the preparation of alkylimidazolidone (meth) acrylate14US 5,210,199 AAtochem · 1993
- Chimeric compounds targeting proteins, compositions, methods, and uses thereof12US 9,938,302 B2BioTheryX, Inc. · 2018
- Chimeric compounds targeting proteins, compositions, methods, and uses thereof11US 10,144,745 B2BioTheryX, Inc. · 2018