C07C 15/27
Containing three rings
Official title: containing three rings
C07C15/27 (Containing three rings) appears on 158 US grants and 274 published applications in this corpus.
Search patents in C07C- Granted patents
- 158
- Published applications
- 274
- Assignees
- 77
- Inventors
- 592
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 0 | 8 |
| 2006 | 4 | 9 |
| 2007 | 0 | 10 |
| 2008 | 5 | 12 |
| 2009 | 2 | 12 |
| 2010 | 6 | 10 |
| 2011 | 11 | 14 |
| 2012 | 6 | 9 |
| 2013 | 5 | 12 |
| 2014 | 13 | 13 |
| 2015 | 15 | 11 |
| 2016 | 10 | 2 |
| 2017 | 7 | 6 |
| 2018 | 8 | 8 |
| 2019 | 8 | 10 |
| 2020 | 1 | 13 |
| 2021 | 4 | 11 |
| 2022 | 4 | 34 |
| 2023 | 9 | 32 |
| 2024 | 5 | 13 |
| 2025 | 11 | 11 |
| 2026 | 14 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic molecules for use in light-emitting devices29 Sep 2026US 12,747,210 B2Samsung Display Co., Ltd.
- Organic light emitting diode28 Jul 2026US 12,692,243 B2LG Chem.Ltd.
- Organic light emitting device14 Jul 2026US 12,679,816 B2LG Display Co., Ltd.
- Deuterated compounds for electronic applications30 Jun 2026US RE50,942 E1LG Chem.Ltd.
- Organic electroluminescent materials and devices16 Jun 2026US 12,655,166 B2Universal Display Corporation
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Separation method for polycyclic aromatic hydrocarbons30 Jul 2026US 2026/0217630 A1Taiyuan University of Technology
- Plurality of host materials, an organic electroluminescent compound, and organic electroluminescent device comprising the same25 Jun 2026US 2026/0182242 A1
- Light-receiving device and light-emitting and light-receiving apparatus16 Apr 2026US 2026/0107631 A1Semiconductor Energy Laboratory Co.Ltd.
- Organic light emitting diode and organic light emitting device including the same19 Feb 2026US 2026/0049090 A1DuPont Specialty Materials Korea Ltd.
Most cited
By later US patents
- Phenylanthracene derivative and organic EL element146US 5,635,308 ATDK Corporation · 1997
- Substituted diphenylanthracene compounds for organic electroluminescence devices82US 7,053,255 B2Idemitsu Kosan Co., Ltd. · 2006
- Naphthalene derivative, material for organic electroluminescence device, and organic electroluminescence device using the same49US 8,025,815 B2Idemitsu Kosan Co., Ltd. · 2011
- Organic electroluminescence device40US 6,617,051 B1Idemitsu Kosan Co., Ltd. · 2003
- Organic electroluminescence device and anthracene derivative39US 7,839,074 B2Idemitsu Kosan Co., Ltd. · 2010