C07C 15/56
Polycyclic condensed
Official title: polycyclic condensed
C07C15/56 (Polycyclic condensed) appears on 81 US grants and 99 published applications in this corpus.
Search patents in C07C- Granted patents
- 81
- Published applications
- 99
- Assignees
- 65
- Inventors
- 276
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 8 |
| 2006 | 3 | 1 |
| 2007 | 0 | 5 |
| 2008 | 2 | 7 |
| 2009 | 3 | 5 |
| 2010 | 0 | 7 |
| 2011 | 2 | 6 |
| 2012 | 4 | 9 |
| 2013 | 6 | 3 |
| 2014 | 8 | 7 |
| 2015 | 9 | 2 |
| 2016 | 2 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 7 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 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.
- Compound, organic electroluminescence device using the same, and electronic apparatus6 Jan 2026US 12,516,240 B2Idemitsu Kosan Co., Ltd.
- Organic molecules for optoelectronic devices31 Dec 2024US 12,180,131 B2Samsung Display Co., Ltd.
- Functionalized polycyclic aromatic hydrocarbon compound and light-emitting device including the same22 Oct 2024US 12,122,732 B2Research & Business Foundation Sungkyunkwan University
- Compound, liquid crystal composition, cured product, optically anisotropic body, and reflective film20 Feb 2024US 11,905,449 B2FUJIFILM Corporation
- Indacene and azaindacene compounds and higher homologues and the use thereof28 May 2026US 2026/0150488 A1
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
- Novel compound, organic electroluminescence device using the same, and electronic apparatus12 Mar 2026US 2026/0071120 A1Idemitsu Kosan Co., Ltd.
- Anthracene compound and organic light-emitting device comprising same27 Feb 2025US 2025/0066275 A1Sfc Co., Ltd.
- Formulations and applications thereof in optoelectronic field11 Apr 2024US 2024/0117202 A1Zhejiang Brilliant Optoelectronic Technology Co.,Ltd.
Most cited
By later US patents
- Organic electroluminescence device99US 5,130,603 AIdemitsu Kosan Co., Ltd. · 1992
- Aromatic dimethylidyne compounds38US 6,093,864 AIdemitsu Kosan Co., Ltd. · 2000
- Benzanthracene derivatives for organic electroluminescent devices33US 8,986,852 B2Merck Patent GmbH · 2015
- Electrically conducting organic compound and electronic device24US 6,940,092 B2Fujitsu Limited · 2005
- Substituted anthryl derivative and electroluminescence device using the same24US 7,358,409 B2Canon Kabushiki Kaisha · 2008