C07D 303/28
Ethers with hydroxy compounds containing oxirane rings
C07D303/28 (Ethers with hydroxy compounds containing oxirane rings) appears on 90 US grants and 110 published applications in this corpus.
Search patents in C07D- Granted patents
- 90
- Published applications
- 110
- Assignees
- 80
- Inventors
- 267
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 4 |
| 2006 | 2 | 2 |
| 2007 | 0 | 4 |
| 2008 | 0 | 4 |
| 2009 | 3 | 4 |
| 2010 | 4 | 5 |
| 2011 | 4 | 2 |
| 2012 | 1 | 3 |
| 2013 | 3 | 4 |
| 2014 | 2 | 5 |
| 2015 | 6 | 8 |
| 2016 | 3 | 11 |
| 2017 | 7 | 12 |
| 2018 | 10 | 11 |
| 2019 | 4 | 1 |
| 2020 | 4 | 6 |
| 2021 | 6 | 5 |
| 2022 | 2 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 4 |
| 2025 | 1 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound for optical materials, curable composition, cured body, and optical article17 Feb 2026US 12,552,745 B2Tokuyama Corporation
- Epoxy reactive diluent and manufacturing method therefor6 Jan 2026US 12,516,031 B2Korea Kumho Petrochemical Co., Ltd.
- Epoxy compound, composition and cured product thereof6 Jan 2026US 12,516,032 B2Industrial Technology Research Institute
- Processes for forming bisphenols, epoxy resin compositions2 Dec 2025US 12,486,354 B2Westlake Epoxy Inc.
- Dental composition24 Sep 2024US 12,097,271 B2DENTSPLY SIRONA Inc.
- Polycrystalline form of biphenol diglycidyl ether, and resin composition containing said polycrystalline form and cured product thereof6 Nov 2025US 2025/0340524 A1Mitsubishi Chemical Corporation
- Hydroxyl group-containing compound, curable resin composition, cured product, and layered product16 Oct 2025US 2025/0320180 A1DIC Corporation
- Fluorene compound containing thioepoxy and (meth)allyl groups, and production method therefor28 Aug 2025US 2025/0270183 A1Shin-Etsu Chemical Co., Ltd.
- Citric acid-glycidyl ether-butyl ester plasticizer and preparation method thereof19 Jun 2025US 2025/0197600 A1Beijing Technology and Business University
- Processes for forming bisphenols, epoxy resin compositions5 Sep 2024US 2024/0294701 A1Westlake Epoxy Inc.
Most cited
By later US patents
- Angiogenesis inhibitory agent77US 5,698,586 ATakeda Chemical Industries, Ltd. · 1997
- Inclusion compounds of fumagillol derivative or its salt, and pharmaceutical compositions comprising the same49US 7,718,695 B2Chong Kun Dang Pharmaceutical Corp. · 2010
- Multifunctional epoxide resins45US 4,789,711 ACiba-Geigy Corporation · 1988
- Hydrophobic, high Tg cycloaliphatic epoxy resins36US 6,429,281 B1Loctite Corporation · 2002
- Photosensitive adhesive composition22US 7,544,721 B2Produits Dentaires Pierre Rolland · 2009