C07C 43/18
Having an ether-oxygen atom bound to a carbon atom of a ring
Official title: having an ether-oxygen atom bound to a carbon atom of a ring other than a six-membered aromatic ring
C07C43/18 (Having an ether-oxygen atom bound to a carbon atom of a ring) appears on 420 US grants and 198 published applications in this corpus.
Search patents in C07C- Granted patents
- 420
- Published applications
- 198
- Assignees
- 212
- Inventors
- 921
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 11 | 0 |
| 1983 | 13 | 0 |
| 1984 | 8 | 0 |
| 1985 | 16 | 0 |
| 1986 | 15 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 12 | 0 |
| 1992 | 9 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 22 | 0 |
| 1998 | 16 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 17 | 4 |
| 2002 | 11 | 12 |
| 2003 | 9 | 9 |
| 2004 | 8 | 13 |
| 2005 | 8 | 6 |
| 2006 | 6 | 8 |
| 2007 | 6 | 8 |
| 2008 | 7 | 4 |
| 2009 | 5 | 2 |
| 2010 | 1 | 4 |
| 2011 | 6 | 9 |
| 2012 | 1 | 6 |
| 2013 | 7 | 7 |
| 2014 | 5 | 4 |
| 2015 | 9 | 12 |
| 2016 | 9 | 13 |
| 2017 | 6 | 7 |
| 2018 | 10 | 7 |
| 2019 | 6 | 10 |
| 2020 | 6 | 7 |
| 2021 | 8 | 11 |
| 2022 | 5 | 5 |
| 2023 | 2 | 10 |
| 2024 | 5 | 9 |
| 2025 | 4 | 7 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, crosslinking agent and crosslinked fluoroelastomer24 Mar 2026US 12,583,995 B2Kyoto Institute of Technology
- Composition for forming organic film, patterning process, and compound24 Mar 2026US 12,584,023 B2Shin-Etsu Chemical Co., Ltd.
- Colour change composition and compounds16 Dec 2025US 12,497,558 B2Thermographic Measurements Ltd
- 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde and derivatives and their use as aroma chemicals3 Jun 2025US 12,319,647 B2BASF SE
- Tripartite androgen receptor eliminators, methods and uses thereof3 Jun 2025US 12,319,681 B2SPG Therapeutics, Inc.
- Fragrance and flavor compositions comprising adamantane derivatives13 Aug 2026US 2026/0234091 A1
- Esters and ethers of 5-isopropyl-2-methylcyclohexan-1-ol as fragrance ingredients16 Jul 2026US 2026/0201270 A1BASF SE
- Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium2 Jul 2026US 2026/0185010 A1Resonac Corporation
- Novel monomer and chemically recyclable polymer material comprising the same26 Mar 2026US 2026/0085055 A1Korea Institute of Science and Technology
- Fragrance and flavor compositions comprising norbornane and norbornene derivatives9 Oct 2025US 2025/0313523 A1
Most cited
By later US patents
- Cyclobutyl oligonucleotide surrogates475US 5,359,044 ACiba-Geigy Corporation · 1994
- 3-Levo-Menthoxypropane-1,2-diol151US 4,459,425 ATakasago Perfumery Co., Ltd. · 1984
- Hydrogenated naphthalenes137US 4,391,731 AHoffmann-La Roche Inc. · 1983
- (2S)-3-[(1R, 2S, 5R)-[5-methyl-2-(1-methylethyl)-cyclohexyl]oxy]-1, 2-propanediol, process for producing the same, and compositions containing the same126US 5,608,119 ATakasago International Corporation · 1997
- Sensate composition imparting initial sensation upon contact109US 6,890,567 B2Takasago International Corporation · 2005