C07D 223/24
With hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen
Official title: with hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen atom
C07D223/24 (With hydrocarbon radicals, substituted by nitrogen atoms, attached to the ring nitrogen) appears on 147 US grants and 143 published applications in this corpus.
Search patents in C07D- Granted patents
- 147
- Published applications
- 143
- Assignees
- 125
- Inventors
- 377
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 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 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 3 |
| 2003 | 1 | 5 |
| 2004 | 4 | 8 |
| 2005 | 0 | 3 |
| 2006 | 8 | 6 |
| 2007 | 1 | 9 |
| 2008 | 2 | 5 |
| 2009 | 1 | 6 |
| 2010 | 6 | 4 |
| 2011 | 3 | 3 |
| 2012 | 2 | 7 |
| 2013 | 5 | 4 |
| 2014 | 4 | 8 |
| 2015 | 8 | 11 |
| 2016 | 8 | 11 |
| 2017 | 12 | 8 |
| 2018 | 3 | 4 |
| 2019 | 6 | 6 |
| 2020 | 4 | 8 |
| 2021 | 3 | 2 |
| 2022 | 5 | 4 |
| 2023 | 1 | 9 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic electroluminescent element and electronic device using same30 Jun 2026US 12,668,739 B2Idemitsu Kosan Co., Ltd.
- Broad spectrum anti-cancer compounds19 May 2026US 12,630,527 B2The Regents of the University of California
- Refining method31 Mar 2026US 12,590,075 B2NGK Insulators, Ltd.
- Compound, organic electroluminescence device using the same, and electronic apparatus6 Jan 2026US 12,516,240 B2Idemitsu Kosan Co., Ltd.
- HECT E3 ligase inhibitors and uses thereof2 Sep 2025US 12,403,144 B2Ieo - Istituto Europeo Di Oncologia S.R.L.
- Heterocyclic compounds as selective hdac6 inhibitors20 Aug 2026US 2026/0242358 A1Miralinc Pharma, Inc.
- Dibenzodiazepines derivatives, pharmaceutical compositions and uses2 Jul 2026US 2026/0184731 A1Shenzhen Evergreen Therapeutics Co., Ltd.
- Novel compound, organic electroluminescence device using the same, and electronic apparatus12 Mar 2026US 2026/0071120 A1Idemitsu Kosan Co., Ltd.
- Refining method5 Jun 2025US 2025/0179038 A1NGK Insulators, Ltd.
- Host material, composition, and organic electroluminescent element13 Feb 2025US 2025/0051636 A1Kyulux, Inc.
Most cited
By later US patents
- Pharmaceutical formulations for parenteral use208US 5,024,998 AUniversity of Florida · 1991
- Azlactone-related dopants in the emissive layer of an OLED141US 6,030,715 AThe Trustees of Princeton University · 2000
- Pharmaceutical formulations for parenteral use93US 4,983,586 AUniversity of Florida · 1991
- Pharmaceutical co-crystal compositions68US 7,927,613 B2The Regents of the University of Michigan · 2011
- Redox systems for brain-targeted drug delivery58US 5,017,566 AUniversity of Florida · 1991