C07C 15/62
Containing four rings
Official title: containing four rings
C07C15/62 (Containing four rings) appears on 31 US grants and 42 published applications in this corpus.
Search patents in C07C- Granted patents
- 31
- Published applications
- 42
- Assignees
- 26
- Inventors
- 119
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 5 |
| 2009 | 2 | 3 |
| 2010 | 0 | 5 |
| 2011 | 0 | 2 |
| 2012 | 3 | 6 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Method for producing arene compounds and arene compounds produced by the same27 Jun 2023US 11,685,702 B2Jsi Silicone Co.
- 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.
- Organic electroluminescent element and electronic device using same15 Sep 2022US 2022/0289704 A1Idemitsu Kosan Co., Ltd.
- Novel compound, organic electroluminescence device using the same, and electronic apparatus15 Sep 2022US 2022/0289726 A1Idemitsu Kosan Co., Ltd.
- Functionalized polycyclic aromatic hydrocarbon compound and light-emitting device including the same30 Sep 2021US 2021/0300845 A1Research & Business Foundation Sungkyunkwan University
Most cited
By later US patents
- Benzanthracene derivatives for organic electroluminescent devices33US 8,986,852 B2Merck Patent GmbH · 2015
- Substituted anthryl derivative and electroluminescence device using the same24US 7,358,409 B2Canon Kabushiki Kaisha · 2008
- Bis(2-acenyl)acetylene semiconductors13US 7,109,519 B23M Innovative Properties Company · 2006
- Substituted anthryl derivative and electroluminescence device using the same10US 7,129,386 B2Canon Kabushiki Kaisha · 2006
- Organic electroluminescent device9US 6,214,481 B1Idemitsu Kosan Co., Ltd. · 2001