C07D 209/82
Carbazoles
Official title: Carbazoles; Hydrogenated carbazoles
C07D209/82 (Carbazoles) appears on 2,052 US grants and 2,676 published applications in this corpus.
Search patents in C07D- Granted patents
- 2,052
- Published applications
- 2,676
- Assignees
- 726
- Inventors
- 4,998
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 12 | 0 |
| 1981 | 14 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 13 | 0 |
| 1991 | 27 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 13 | 0 |
| 1998 | 23 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 7 |
| 2002 | 41 | 34 |
| 2003 | 21 | 59 |
| 2004 | 40 | 66 |
| 2005 | 26 | 67 |
| 2006 | 33 | 59 |
| 2007 | 32 | 67 |
| 2008 | 26 | 86 |
| 2009 | 32 | 77 |
| 2010 | 46 | 85 |
| 2011 | 64 | 93 |
| 2012 | 65 | 89 |
| 2013 | 68 | 92 |
| 2014 | 61 | 97 |
| 2015 | 91 | 119 |
| 2016 | 84 | 144 |
| 2017 | 108 | 146 |
| 2018 | 98 | 159 |
| 2019 | 137 | 179 |
| 2020 | 102 | 166 |
| 2021 | 95 | 120 |
| 2022 | 98 | 155 |
| 2023 | 120 | 190 |
| 2024 | 96 | 140 |
| 2025 | 91 | 112 |
| 2026 | 70 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Organic light emitting diode and organic light emitting device including the same6 Oct 2026US 12,757,624 B2LG Display Co., Ltd.
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- Compound, and composition for forming hole transporting layer for perovskite solar cells15 Sep 2026US 12,735,395 B2Tokyo Chemical Industry Co., Ltd.
- Organic electric element, display panel comprising the same and display device comprising the same8 Sep 2026US 12,733,395 B2LG Chem.Ltd.
- Compound for organic optoelectronic device, composition for organic optoelectronic device, organic optoelectronic device, and display device8 Oct 2026US 2026/0314259 A1Samsung SDI.Co., Ltd.
- Pyridine-piperazine-based scaffolds as highly potent and selective neurolysin activators1 Oct 2026US 2026/0294897 A1Board of Regents of the University of Nebraska
- Heterocyclic compound and organic light-emitting device comprising same1 Oct 2026US 2026/0305166 A1Lt Materials Co., Ltd.
- Organic electroluminescent material and device thereof24 Sep 2026US 2026/0293519 A1
- Heterocyclic compound and organic light-emitting device comprising same17 Sep 2026US 2026/0274795 A1Lt Materials Co., Ltd.
Most cited
By later US patents
- Oxime ester photoinitiators263US 7,759,043 B2Ciba Specialty Chemicals Corporation · 2010
- Organometallic complexes as phosphorescent emitters in organic LEDs235US 6,830,828 B2The Trustees of Princeton University · 2004
- Fluorescence and delayed fluorescence-type organic light-emitting material and element194US 8,993,129 B2Kyushu University, National University Corporation · 2015
- Light-emitting element192US 9,604,928 B2Semiconductor Energy Laboratory Co.Ltd. · 2017
- Carvedilol187US 7,056,942 B2Teva Pharmaceutical Industries Ltd. · 2006