C08G 59/22
Di-epoxy compounds
C08G59/22 (Di-epoxy compounds) appears on 2,382 US grants and 2,474 published applications in this corpus.
Search patents in C08G- Granted patents
- 2,382
- Published applications
- 2,474
- Assignees
- 949
- Inventors
- 6,166
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 17 | 0 |
| 1978 | 36 | 0 |
| 1979 | 15 | 0 |
| 1980 | 13 | 0 |
| 1981 | 16 | 0 |
| 1982 | 24 | 0 |
| 1983 | 19 | 0 |
| 1984 | 19 | 0 |
| 1985 | 32 | 0 |
| 1986 | 29 | 0 |
| 1987 | 32 | 0 |
| 1988 | 28 | 0 |
| 1989 | 46 | 0 |
| 1990 | 49 | 0 |
| 1991 | 41 | 0 |
| 1992 | 45 | 0 |
| 1993 | 52 | 0 |
| 1994 | 49 | 0 |
| 1995 | 43 | 0 |
| 1996 | 42 | 0 |
| 1997 | 53 | 0 |
| 1998 | 54 | 0 |
| 1999 | 40 | 0 |
| 2000 | 38 | 0 |
| 2001 | 56 | 12 |
| 2002 | 26 | 34 |
| 2003 | 39 | 42 |
| 2004 | 31 | 46 |
| 2005 | 27 | 40 |
| 2006 | 28 | 45 |
| 2007 | 16 | 48 |
| 2008 | 18 | 38 |
| 2009 | 20 | 59 |
| 2010 | 24 | 94 |
| 2011 | 41 | 65 |
| 2012 | 46 | 79 |
| 2013 | 57 | 67 |
| 2014 | 48 | 63 |
| 2015 | 55 | 130 |
| 2016 | 52 | 116 |
| 2017 | 74 | 137 |
| 2018 | 71 | 119 |
| 2019 | 101 | 144 |
| 2020 | 110 | 183 |
| 2021 | 105 | 179 |
| 2022 | 106 | 189 |
| 2023 | 98 | 142 |
| 2024 | 96 | 147 |
| 2025 | 102 | 143 |
| 2026 | 72 | 113 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of treating unconsolidated sand formations using a red mud sealant composition6 Oct 2026US 12,753,339 B2Saudi Arabian Oil Company
- Coumarin-based thermosets and thermoplastics22 Sep 2026US 12,741,950 B1The United States of America as represented by the Secretary of the Navy
- High-performance composite panel and manufacturing method8 Sep 2026US 12,729,277 B2The United States of America as represented by the Secretary of the Army
- Aromatic diol compounds, diepoxide compounds, polymers prepared from such compounds, and methods for making the same1 Sep 2026US 12,723,128 B2Swimc LLC
- One component polymerizable composition for trickle impregnation1 Sep 2026US 12,723,129 B2Huntsman Advanced Materials (Switzerland) GmbH
- Compounds for the formation of vitrimers1 Oct 2026US 2026/0297046 A1
- Lightweight epoxy resin core for a hollow composite part1 Oct 2026US 2026/0297294 A1Safran Aircraft Engines
- Syntactic foam compositions1 Oct 2026US 2026/0297388 A1PRC-DeSoto International, Inc.
- Heat-curing epoxy resin composition having high storage stability24 Sep 2026US 2026/0286200 A1Sika Technology AG
- Implantable medical devices with photocurable feedthrough potting adhesives and methods of manufacture17 Sep 2026US 2026/0273289 A1
Most cited
By later US patents
- Liquid polythioethers193US 4,366,307 AProducts Research & Chemical Corp. · 1982
- Hydrophilic, highly swellable hydrogels173US 5,331,059 ACassella Aktiengesellschaft · 1994
- Flexible poly(amino ethers) for barrier packaging158US 5,464,924 AThe Dow Chemical Company · 1995
- Heat-resistant resin composition135US 4,994,515 AShowa Denko K. K. · 1991
- Epoxy resin curing agent, process, and composition96US 4,684,678 AMinnesota Mining and Manufacturing Company · 1987