C07D 265/16
With only hydrogen or carbon atoms directly attached in positions 2 and
Official title: with only hydrogen or carbon atoms directly attached in positions 2 and 4
C07D265/16 (With only hydrogen or carbon atoms directly attached in positions 2 and) appears on 85 US grants and 99 published applications in this corpus.
Search patents in C07D- Granted patents
- 85
- Published applications
- 99
- Assignees
- 62
- Inventors
- 255
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 3 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 3 | 3 |
| 2014 | 1 | 3 |
| 2015 | 5 | 7 |
| 2016 | 3 | 7 |
| 2017 | 6 | 4 |
| 2018 | 7 | 10 |
| 2019 | 5 | 5 |
| 2020 | 4 | 7 |
| 2021 | 9 | 4 |
| 2022 | 3 | 4 |
| 2023 | 3 | 5 |
| 2024 | 1 | 9 |
| 2025 | 2 | 4 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Benzoxazine derivatives vitrimers28 Apr 2026US 12,612,373 B2Luxembourg Institute of Science and Technology (List)
- Benzoxazine compound, resin raw material composition containing the same, curable resin composition, and cured product thereof28 Apr 2026US 12,612,393 B2Honshu Chemical Industry Co., Ltd.
- Benzoxazine compound-containing composition, curable resin composition, and cured product thereof17 Mar 2026US 12,577,346 B2Honshu Chemical Industry Co., Ltd.
- Process for preparing isoindolinone derivative, novel intermediates used for the process, and a process for preparing the intermediates3 Feb 2026US 12,540,123 B2Cng Bio Co., Ltd.
- Nitrogen-containing heterocyclic compound having NRF2 activation effect14 Oct 2025US 12,441,735 B2Chugai Seiyaku Kabushiki Kaisha
- (n-alkyldihydrol-2h-oxazinyl)-cannabidiol as anti-proliferative agent and process for preparation thereof30 Jul 2026US 2026/0216216 A1
- Dual curable vitrimers23 Jul 2026US 2026/0209433 A1Luxembourg Institute of Science and Technology (List)
- Nitrogen-containing heterocyclic compound having nrf2 activation effect29 May 2025US 2025/0171457 A1Chugai Seiyaku Kabushiki Kaisha
- Novel benzoxazine compound, resin raw material composition containing the same, curable resin composition, and cured product thereof27 Mar 2025US 2025/0101179 A1Honshu Chemical Industry Co., Ltd.
- Nitrogen-containing heterocyclic compound having nrf2 activation effect13 Mar 2025US 2025/0084093 A1
Most cited
By later US patents
- Process for preparation of benzoxazine compounds in solventless systems89US 5,543,516 AEdison Polymer Innovation Corporation · 1996
- Quinazolinone and benzoxazine derivatives as progesterone receptor modulators64US 6,358,948 B1American Home Products Corporation · 2002
- Curable compositions containing benzoxazine60US 6,620,905 B1National Starch and Chemical Investment Holding Corporation · 2003
- Benzoxazines, thermosetting resins comprised thereof, and methods for use thereof57US 6,743,852 B2Henkel Corporation · 2004
- Benzoxazines, thermosetting resins comprised thereof, and methods for use thereof52US 7,517,925 B2Henkel Corporation · 2009