C07C 43/257
Having an ether-oxygen atom bound to carbon atoms both belonging to six-membered
Official title: having an ether-oxygen atom bound to carbon atoms both belonging to six-membered aromatic rings
C07C43/257 (Having an ether-oxygen atom bound to carbon atoms both belonging to six-membered) appears on 445 US grants and 267 published applications in this corpus.
Search patents in C07C- Granted patents
- 445
- Published applications
- 267
- Assignees
- 209
- Inventors
- 1,052
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 11 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 11 | 0 |
| 1981 | 21 | 0 |
| 1982 | 17 | 0 |
| 1983 | 13 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 15 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 18 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 5 |
| 2003 | 4 | 6 |
| 2004 | 6 | 7 |
| 2005 | 1 | 6 |
| 2006 | 3 | 8 |
| 2007 | 2 | 5 |
| 2008 | 2 | 11 |
| 2009 | 4 | 10 |
| 2010 | 7 | 9 |
| 2011 | 4 | 9 |
| 2012 | 6 | 7 |
| 2013 | 7 | 10 |
| 2014 | 9 | 13 |
| 2015 | 11 | 17 |
| 2016 | 11 | 17 |
| 2017 | 10 | 17 |
| 2018 | 14 | 9 |
| 2019 | 14 | 12 |
| 2020 | 11 | 13 |
| 2021 | 13 | 20 |
| 2022 | 7 | 12 |
| 2023 | 8 | 12 |
| 2024 | 12 | 11 |
| 2025 | 8 | 11 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 43/29Containing halogen193
- C07C 43/295Containing hydroxy or o-metal groups185
- C07C 43/275Having all ether-oxygen atoms bound to carbon atoms of six-membered aromatic rings67
- C07C 43/285Having unsaturation outside the six-membered aromatic rings46
- C07C 43/263The aromatic rings being non-condensed31
- C07C 43/267Containing other rings12
Recent patents
- Hardmask composition, hardmask layer, and pattern forming method6 Oct 2026US 12,754,481 B2Samsung SDI.Co., Ltd.
- Compound for treating Alzheimer's disease16 Jun 2026US 12,655,088 B2East China University of Science and Technology
- Cannabinoid derivatives19 May 2026US 12,630,492 B2Canopy Growth Corporation
- Dinaphthyl ether compound and lubricant composition containing same31 Mar 2026US 12,590,048 B2Moresco Corporation
- Triarylmethane compounds10 Mar 2026US 12,570,593 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing biaryl compound3 Sep 2026US 2026/0257977 A1FUJIFILM Corporation
- Indene compounds, pharmaceutical compositions thereof, and their therapeutic applications2 Jul 2026US 2026/0184663 A1NucMito Pharmaceuticals Co. Ltd.
- Aryl thioethers as hif-2alpha inhibitors2 Jul 2026US 2026/0184676 A1Hoffmann-La Roche Inc.
- Oligomeric binaphthyl compounds and thermoplastic resins25 Jun 2026US 2026/0176226 A1Mitsubishi Gas Chemical Company, Inc.
- Compound and organic light-emitting device comprising same16 Apr 2026US 2026/0107683 A1LG Chem.Ltd.
Most cited
By later US patents
- Organic electroluminescence device and anthracene derivative39US 7,839,074 B2Idemitsu Kosan Co., Ltd. · 2010
- Ether compounds and compositions for cholesterol management and related uses35US 6,713,507 B2Esperion Therapeutics, Inc. · 2004
- Organic electroluminescence device32US 5,366,811 AIdemitsu Kosan Co., Ltd. · 1994
- Hydrogen perfluoroalkylaromatic ethers and related compositions and methods31US 5,104,559 AThe Dow Chemical Company · 1992
- Biphenyl derivative composition for nerve cell degeneration repairing or protective agent and process for preparing a phenyl derivative contained in the composition30US 5,053,548 AOtsuka Pharmaceutical Co., Ltd. · 1991