C07C 15/20
Polycyclic condensed hydrocarbons
C07C15/20 (Polycyclic condensed hydrocarbons) appears on 352 US grants and 489 published applications in this corpus.
Search patents in C07C- Granted patents
- 352
- Published applications
- 489
- Assignees
- 179
- Inventors
- 1,097
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 11 |
| 2004 | 6 | 6 |
| 2005 | 3 | 18 |
| 2006 | 8 | 16 |
| 2007 | 2 | 13 |
| 2008 | 8 | 25 |
| 2009 | 4 | 21 |
| 2010 | 14 | 27 |
| 2011 | 15 | 29 |
| 2012 | 19 | 27 |
| 2013 | 17 | 17 |
| 2014 | 24 | 22 |
| 2015 | 27 | 18 |
| 2016 | 14 | 5 |
| 2017 | 16 | 15 |
| 2018 | 14 | 17 |
| 2019 | 15 | 20 |
| 2020 | 9 | 20 |
| 2021 | 11 | 22 |
| 2022 | 10 | 45 |
| 2023 | 14 | 44 |
| 2024 | 10 | 24 |
| 2025 | 16 | 16 |
| 2026 | 20 | 9 |
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.
- Compound, organic electroluminescent element and electronic device28 Jul 2026US 12,692,212 B2Idemitsu Kosan Co., Ltd.
- Organic light emitting diode28 Jul 2026US 12,692,243 B2LG Chem.Ltd.
- Organic electroluminescent element, compound, and electronic equipment28 Jul 2026US 12,692,435 B2Idemitsu Kosan Co., Ltd.
- Organic light emitting device14 Jul 2026US 12,679,816 B2LG Display Co., Ltd.
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Method for producing biaryl compound3 Sep 2026US 2026/0257977 A1FUJIFILM Corporation
- 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
- Organic light-emitting device18 Jun 2026US 2026/0173638 A1Canon Kabushiki Kaisha
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
- Benzo-fused thiophene or benzo-fused furan compounds comprising a triphenylene group49US 8,367,850 B2Universal Display Corporation · 2013
- Organic electroluminescence device40US 6,617,051 B1Idemitsu Kosan Co., Ltd. · 2003