C07D 219/02
Heterocyclic compounds containing acridine or hydrogenated acridine ring systems: with only hydrogen
Official title: with only hydrogen, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
C07D219/02 (Heterocyclic compounds containing acridine or hydrogenated acridine ring systems: with only hydrogen) appears on 161 US grants and 174 published applications in this corpus.
Search patents in C07D- Granted patents
- 161
- Published applications
- 174
- Assignees
- 112
- Inventors
- 463
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 4 |
| 2003 | 1 | 7 |
| 2004 | 2 | 5 |
| 2005 | 5 | 1 |
| 2006 | 1 | 5 |
| 2007 | 2 | 4 |
| 2008 | 3 | 2 |
| 2009 | 3 | 4 |
| 2010 | 1 | 4 |
| 2011 | 1 | 4 |
| 2012 | 3 | 4 |
| 2013 | 4 | 5 |
| 2014 | 1 | 3 |
| 2015 | 3 | 8 |
| 2016 | 3 | 11 |
| 2017 | 6 | 4 |
| 2018 | 9 | 21 |
| 2019 | 9 | 12 |
| 2020 | 8 | 25 |
| 2021 | 13 | 8 |
| 2022 | 15 | 7 |
| 2023 | 6 | 10 |
| 2024 | 4 | 5 |
| 2025 | 6 | 7 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Photoredox-catalyzed direct C—H functionalization of arenes27 Jan 2026US 12,534,437 B2The University of North Carolina at Chapel Hill
- Polymerizable fused tricyclic compounds as absorbers of UV and visible light30 Dec 2025US 12,509,428 B2Johnson & Johnson Vision Care, Inc.
- Materials for organic electroluminescent devices2 Dec 2025US 12,486,230 B2Merck Patent GmbH
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Polymerizable absorbers of uv and high energy visible light6 Aug 2026US 2026/0226278 A1Johnson & Johnson Vision Care, Inc.
- Polymerizable fused tricyclic compounds as absorbers of uv and visible light5 Mar 2026US 2026/0062386 A1Johnson & Johnson Vision Care, Inc.
- A continuous flow process for synthesis of organic azides20 Nov 2025US 2025/0353811 A1Indian Institute of Science Education and Research, Pune (IISER Pune)
- Light-emitting device and electronic apparatus including the same23 Oct 2025US 2025/0326730 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Compounds and organic electroluminescent devices48US 9,595,681 B2Merck Patent GmbH · 2017
- Chemiluminescent detection methods using dual enzyer-labeled binding partners36US 5,843,666 ALumigen, Inc. · 1998
- Organic photoconductive material electrophotographic photoreceptor and image forming apparatus using the same32US 7,416,824 B2Sharp Kabushiki Kaisha · 2008
- Aryl N-alkylacridanthiocarboxylate derivatives useful for chemiluminescent detection26US 5,523,212 ALumigen, Inc. · 1996
- Aryl N-alkylacridancarboxylate derivatives useful for chemiluminescent detection26US 5,593,845 ALumigen, Inc. · 1997