C07C 255/50
To carbon atoms of non-condensed six-membered aromatic rings
Official title: to carbon atoms of non-condensed six-membered aromatic rings
C07C255/50 (To carbon atoms of non-condensed six-membered aromatic rings) appears on 326 US grants and 304 published applications in this corpus.
Search patents in C07C- Granted patents
- 326
- Published applications
- 304
- Assignees
- 174
- Inventors
- 992
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 9 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 3 |
| 2002 | 6 | 7 |
| 2003 | 9 | 10 |
| 2004 | 8 | 12 |
| 2005 | 4 | 5 |
| 2006 | 5 | 3 |
| 2007 | 6 | 7 |
| 2008 | 7 | 9 |
| 2009 | 3 | 10 |
| 2010 | 7 | 12 |
| 2011 | 7 | 7 |
| 2012 | 4 | 8 |
| 2013 | 6 | 4 |
| 2014 | 5 | 8 |
| 2015 | 12 | 14 |
| 2016 | 8 | 14 |
| 2017 | 9 | 24 |
| 2018 | 11 | 22 |
| 2019 | 18 | 13 |
| 2020 | 14 | 21 |
| 2021 | 7 | 16 |
| 2022 | 13 | 23 |
| 2023 | 10 | 26 |
| 2024 | 11 | 13 |
| 2025 | 6 | 8 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic electric element, display panel comprising the same and display device comprising the same8 Sep 2026US 12,733,395 B2LG Chem.Ltd.
- Circularly polarized OLED emitting layer composition14 Jul 2026US 12,680,018 B2Centre National de la Recherche Scientifique (CNRS)
- Organic electroluminescent element and electronic device using same30 Jun 2026US 12,668,739 B2Idemitsu Kosan Co., Ltd.
- Electron withdrawing group (EWG)-containing organic molecules for improved optical properties in AR/VR components16 Jun 2026US 12,656,634 B2Meta Platforms Technologies, LLC
- Additives for electrolytes in Li-ion batteries28 Apr 2026US 12,614,756 B2Hydro-Quebec
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Additives for electrolytes in li-ion batteries3 Sep 2026US 2026/0260941 A1Hydro-Quebec
- Photoelectric conversion element, imaging element, photoelectric conversion element material, and compound26 Mar 2026US 2026/0090266 A1Tosoh Corporation
- Novel compound, organic electroluminescence device using the same, and electronic apparatus12 Mar 2026US 2026/0071120 A1Idemitsu Kosan Co., Ltd.
- Acceptor-substituted euv pags with high electron affinity12 Feb 2026US 2026/0044074 A1Merck Patent GmbH
Most cited
By later US patents
- Difluorobenzonitrile derivatives136US 5,211,878 AMerck Patent GmbH · 1993
- Organic electroluminecence device134US 10,435,350 B2Idemitsu Kosan Co., Ltd. · 2019
- 6-(poly-substituted aryl)-4-aminopicolinates and their use as herbicides122US 7,314,849 B2Dow AgroSciences LLC · 2008
- Isoxazoline-substituted benzamide compound and pesticide69US 7,662,972 B2Nissan Chemical Industries, Ltd. · 2010
- Isoxazoline-substituted benzamide compound and pesticide41US 8,022,089 B2Nissan Chemical Industries, Ltd. · 2011