C07C 65/21
Containing ether groups, [image cpc-sch-c07c-0958.gif] groups,[image cpc-sch-c07c-0959.gif] groups, or[image cpc-sch-c07c-0960.gif] groups
Official title: containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups
C07C65/21 (Containing ether groups, [image cpc-sch-c07c-0958.gif] groups,[image cpc-sch-c07c-0959.gif] groups, or[image cpc-sch-c07c-0960.gif] groups) appears on 686 US grants and 353 published applications in this corpus.
Search patents in C07C- Granted patents
- 686
- Published applications
- 353
- Assignees
- 339
- Inventors
- 1,637
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 12 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 15 | 0 |
| 1987 | 17 | 0 |
| 1988 | 11 | 0 |
| 1989 | 25 | 0 |
| 1990 | 27 | 0 |
| 1991 | 38 | 0 |
| 1992 | 37 | 0 |
| 1993 | 19 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 17 | 0 |
| 1997 | 19 | 0 |
| 1998 | 30 | 0 |
| 1999 | 25 | 0 |
| 2000 | 16 | 0 |
| 2001 | 24 | 2 |
| 2002 | 14 | 13 |
| 2003 | 14 | 10 |
| 2004 | 6 | 14 |
| 2005 | 6 | 17 |
| 2006 | 8 | 16 |
| 2007 | 10 | 16 |
| 2008 | 8 | 14 |
| 2009 | 14 | 20 |
| 2010 | 19 | 21 |
| 2011 | 15 | 11 |
| 2012 | 11 | 8 |
| 2013 | 13 | 16 |
| 2014 | 16 | 15 |
| 2015 | 8 | 11 |
| 2016 | 13 | 19 |
| 2017 | 9 | 11 |
| 2018 | 14 | 16 |
| 2019 | 10 | 9 |
| 2020 | 6 | 15 |
| 2021 | 7 | 11 |
| 2022 | 8 | 16 |
| 2023 | 7 | 14 |
| 2024 | 3 | 10 |
| 2025 | 7 | 8 |
| 2026 | 6 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Onium salt, resist composition, and patterning process4 Aug 2026US 12,699,318 B2Shin-Etsu Chemical Co., Ltd.
- Therapy19 May 2026US 12,629,382 B2Vestlandets Innovasjonsselskap AS
- Cannabinoid derivatives19 May 2026US 12,630,492 B2Canopy Growth Corporation
- Method for producing benzopyranone compound and novel intermediate used therein19 May 2026US 12,630,503 B2ILAb
- Resorcinol-based compounds and uses thereof28 Apr 2026US 12,612,358 B2Organix, Inc.
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Method for preparing pyridine oxynitride compound20 Aug 2026US 2026/0242339 A1Shanghai Jemincare Pharmaceutical Co., Ltd.
- Quaternary ammonium compounds (qacs) and process for preparation thereof30 Jul 2026US 2026/0216116 A1
- Substituted Hydroxystilbene Compounds and Derivatives, Synthesis and Uses Thereof23 Jul 2026US 2026/0209152 A1Kynan Duke IP, LLC
- Compounds for the Treatment of Neuromuscular Disorders16 Jul 2026US 2026/0199273 A1Nmd Pharma A/S
Most cited
By later US patents
- Substituted diaryl or diheteroaryl methanes, ethers and amines having retinoid agonist, antagonist or inverse agonist type biological activity167US 5,919,970 AAllergan Sales, Inc. · 1999
- Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities164US 5,877,207 AAllergan Sales, Inc. · 1999
- Method of identifying negative hormone and/or antagonist activities151US 5,776,699 AAllergan, Inc. · 1998
- Bicyclic naphthalenic derivatives, a process for preparing the same and human or veterinary medicines and cosmetic compositions containing said derivatives142US 4,826,969 ACentre International de Recherches Dermatologiques (C.I.R.D.) · 1989
- Phenylethenyl compounds having retinoid-like activity141US 4,992,468 AAllergan, Inc. · 1991