C07D 303/20
Ethers with hydroxy compounds containing no oxirane rings
C07D303/20 (Ethers with hydroxy compounds containing no oxirane rings) appears on 854 US grants and 270 published applications in this corpus.
Search patents in C07D- Granted patents
- 854
- Published applications
- 270
- Assignees
- 328
- Inventors
- 1,617
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 34 | 0 |
| 1977 | 18 | 0 |
| 1978 | 22 | 0 |
| 1979 | 21 | 0 |
| 1980 | 19 | 0 |
| 1981 | 36 | 0 |
| 1982 | 28 | 0 |
| 1983 | 33 | 0 |
| 1984 | 19 | 0 |
| 1985 | 21 | 0 |
| 1986 | 30 | 0 |
| 1987 | 30 | 0 |
| 1988 | 27 | 0 |
| 1989 | 33 | 0 |
| 1990 | 41 | 0 |
| 1991 | 24 | 0 |
| 1992 | 31 | 0 |
| 1993 | 42 | 0 |
| 1994 | 25 | 0 |
| 1995 | 20 | 0 |
| 1996 | 12 | 0 |
| 1997 | 26 | 0 |
| 1998 | 31 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 6 | 0 |
| 2002 | 11 | 13 |
| 2003 | 16 | 16 |
| 2004 | 7 | 18 |
| 2005 | 11 | 16 |
| 2006 | 13 | 13 |
| 2007 | 11 | 11 |
| 2008 | 4 | 12 |
| 2009 | 6 | 9 |
| 2010 | 5 | 8 |
| 2011 | 6 | 9 |
| 2012 | 7 | 7 |
| 2013 | 8 | 9 |
| 2014 | 7 | 9 |
| 2015 | 6 | 15 |
| 2016 | 5 | 9 |
| 2017 | 5 | 18 |
| 2018 | 9 | 10 |
| 2019 | 9 | 9 |
| 2020 | 8 | 13 |
| 2021 | 9 | 11 |
| 2022 | 6 | 10 |
| 2023 | 6 | 7 |
| 2024 | 9 | 7 |
| 2025 | 2 | 4 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hyperbranched polyglycerol polyglycidyl ether and its use as crosslinker for polysaccharides6 Oct 2026US 12,753,158 B2Biopolimeri S.R.L.
- Aromatic diol compounds, diepoxide compounds, polymers prepared from such compounds, and methods for making the same1 Sep 2026US 12,723,128 B2Swimc LLC
- Epoxy resin16 Jun 2026US 12,655,248 B2Commonwealth Scientific and Industrial Research Organisation
- Oxirane-functional vinyl monomers and methods for making the same2 Jun 2026US 12,644,007 B2Swimc LLC
- Visible light active biomass derived photoinitiators5 May 2026US 12,617,751 B2Bowling Green State University
- Compounds for the formation of vitrimers1 Oct 2026US 2026/0297046 A1
- Intermolecular cyclopropanation of unsaturated hydrocarbons20 Aug 2026US 2026/0242327 A1The Penn State Research Foundation
- Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin20 Aug 2026US 2026/0242535 A1Korea Institute of Science and Technology
- Chemoenzymatic synthesis of polyketides16 Jul 2026US 2026/0201433 A1Aspera Biomedicines, Inc.
- Benzoylformic acid amide derivative12 Mar 2026US 2026/0070874 A1Kj Chemicals Corporation
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Poly(perfluoroalkylene oxide) derivatives106US 4,085,137 AMinnesota Mining and Manufacturing Company · 1978
- Poly(perfluoroalkylene oxide) derivatives104US 4,094,911 AMinnesota Mining and Manufacturing Company · 1978
- 1-hydroxyethyl-azole compounds and agricultural compositions92US 4,723,984 ABayer Aktiengesellschaft · 1988