C07D 263/64
Linked in positions 2 and 2' by chains containing six-membered aromatic rings
Official title: linked in positions 2 and 2' by chains containing six-membered aromatic rings or ring systems containing such rings
C07D263/64 (Linked in positions 2 and 2' by chains containing six-membered aromatic rings) appears on 39 US grants and 23 published applications in this corpus.
Search patents in C07D- Granted patents
- 39
- Published applications
- 23
- Assignees
- 31
- Inventors
- 108
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Heterocyclic compound and organic electroluminescent device comprising same5 Aug 2025US 12,378,207 B2Changchun Hyperions Technology Co., Ltd
- Compound of 3,3,3′,3′-tetramethyl-1,1′-spirobiindane-based bisoxazoline ligand, intermediate thereof, preparation method thereof and use thereof11 Jan 2022US 11,220,495 B2Zhejiang University
- Compounds for porous films in light-emitting devices9 Jun 2015US 9,051,284 B2Nitto Denko Corporation
- Method for producing bisbenzoxazoles29 Nov 2011US 8,067,612 B2Clariant Finance (BVI) Limited
- Amine-based compound and use thereof26 Apr 2011US 7,932,281 B2Kureha Corporation
- Compound, and organic electroluminescent material and organic electroluminescent device comprising the same17 Apr 2025US 2025/0127041 A1
- Arylamine Compound and Use thereof, Electroluminescent Device and Display Apparatus20 Mar 2025US 2025/0092007 A1Boe Technology Group Co., Ltd.
- A synthesis method of benzoxazole based optical brighteners30 Jan 2025US 2025/0034123 A1Akdeniz Chemson Kimya Sanayi Ve Ticaret Anonim Sirketi
- Arylamine organic compound and use thereof20 Jun 2024US 2024/0199559 A1Guangzhou Chinaray Optoelectronic Materials Ltd.
- Central chirality induced spiro chiral tetradentate cyclometalated platinum (ii) and palladium (ii) complex-based circularly polarized luminescence material and application thereof22 Feb 2024US 2024/0059962 A1Zhejiang Huaxian Photoelectricity Technology Co.,Ltd
Most cited
By later US patents
- Anthracene derivatives31US 4,719,049 ABurroughs Wellcome Co. · 1988
- Perylene derivatives23US 4,530,800 ABurroughs Wellcome Co. · 1985
- Luminescent element material and luminescent element comprising the same18US 7,318,966 B2Toray Industries, Inc. · 2008
- Fluoranthene derivatives17US 4,720,587 ABurroughs Wellcome Co. · 1988
- Anthracene derivatives16US 4,719,047 ABurroughs Wellcome Co. · 1988