C07C 217/90
The oxygen atom of at least one of the etherified hydroxy groups
Official title: the oxygen atom of at least one of the etherified hydroxy groups being further bound to a carbon atom of a six-membered aromatic ring, e.g. amino-diphenylethers
C07C217/90 (The oxygen atom of at least one of the etherified hydroxy groups) appears on 178 US grants and 135 published applications in this corpus.
Search patents in C07C- Granted patents
- 178
- Published applications
- 135
- Assignees
- 100
- Inventors
- 477
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 9 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 3 |
| 2002 | 15 | 11 |
| 2003 | 12 | 20 |
| 2004 | 21 | 10 |
| 2005 | 4 | 4 |
| 2006 | 6 | 5 |
| 2007 | 3 | 3 |
| 2008 | 2 | 2 |
| 2009 | 1 | 5 |
| 2010 | 4 | 13 |
| 2011 | 2 | 3 |
| 2012 | 4 | 4 |
| 2013 | 5 | 3 |
| 2014 | 8 | 6 |
| 2015 | 2 | 6 |
| 2016 | 4 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 9 |
| 2019 | 4 | 1 |
| 2020 | 1 | 3 |
| 2021 | 5 | 6 |
| 2022 | 3 | 2 |
| 2023 | 2 | 1 |
| 2024 | 4 | 7 |
| 2025 | 2 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inhibitors of notch signaling pathway and use thereof in treatment of cancers16 Jun 2026US 12,655,141 B2Cellestia Biotech AG
- Compound or salt thereof and preparation method and application of same23 Dec 2025US 12,503,486 B2Zhejiang Peptites Biotech Co., Ltd.
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom5 Aug 2025US 12,378,184 B2The United States of America as represented by the Secretary of the Air Force
- Curable compound16 Jul 2024US 12,037,319 B2Daicel Corporation
- All-aromatic liquid-crystalline homo-polyimides with aromatic endgroups and crosslinked products therefrom25 Jun 2024US 12,017,972 B2The Government of the United States of America as Represented by the Secretary of the Air Force
- Inhibitors of Notch Signaling Pathway and Use Thereof in Treatment of Cancers1 Oct 2026US 2026/0297082 A1Cellestia Biotech AG
- Slack-activating compounds and their medical use3 Sep 2026US 2026/0258003 A1
- Intrinsic low dielectric constant polyimide film based on novel diamine having -cf3 group and 1,4-diisopryopylbenzene unit27 Feb 2025US 2025/0066285 A1Pusan National University Industry-University Cooperation Foundation
- Antidegradant compounds and uses thereof27 Feb 2025US 2025/0066304 A1
- Crystalline composition, crystal of benzoxazine compound, method for producing benzoxazine compound, and novel compound19 Dec 2024US 2024/0417380 A1Honshu Chemical Industry Co., Ltd.
Most cited
By later US patents
- Living olefin polymerization processes85US 5,889,128 AMassachusetts Institute of Technology · 1999
- Light-emitting material for organic electroluminescence device, and organic electroluminescence device for which the light-emitting material is adapted73US 5,759,444 AToyo Ink Manufacturing Co., Ltd. · 1998
- Light-emitting material for organic electroluminescence device, and organic electroluminescence device for which the light-emitting material is adapted54US 6,251,531 B1Toyo Ink Manufacturing Co., Ltd. · 2001
- Aryl sulfonamides and analogues thereof and their use in the treatment of neurodegenerative diseases44US 6,573,278 B2Bayer Aktiengesellschaft · 2003
- Imide oligomers and co-oligomers containing pendent phenylethynyl groups and polymers therefrom37US 5,606,014 AThe United States of America as represented by the United States National Aeronautics and Space Administration · 1997