C08G 59/18
Macromolecules obtained by polymerising compounds containing more than one epoxy group per
Official title: Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups {; e.g. general methods of curing}
C08G59/18 (Macromolecules obtained by polymerising compounds containing more than one epoxy group per) appears on 8,682 US grants and 7,149 published applications in this corpus.
Search patents in C08G- Granted patents
- 8,682
- Published applications
- 7,149
- Assignees
- 2,086
- Inventors
- 15,882
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 157 | 0 |
| 1977 | 118 | 0 |
| 1978 | 167 | 0 |
| 1979 | 112 | 0 |
| 1980 | 123 | 0 |
| 1981 | 173 | 0 |
| 1982 | 144 | 0 |
| 1983 | 165 | 0 |
| 1984 | 140 | 0 |
| 1985 | 176 | 0 |
| 1986 | 154 | 0 |
| 1987 | 178 | 0 |
| 1988 | 176 | 0 |
| 1989 | 196 | 0 |
| 1990 | 170 | 0 |
| 1991 | 194 | 0 |
| 1992 | 202 | 0 |
| 1993 | 168 | 0 |
| 1994 | 179 | 0 |
| 1995 | 156 | 0 |
| 1996 | 156 | 0 |
| 1997 | 154 | 0 |
| 1998 | 163 | 0 |
| 1999 | 158 | 0 |
| 2000 | 144 | 0 |
| 2001 | 166 | 37 |
| 2002 | 163 | 137 |
| 2003 | 163 | 182 |
| 2004 | 131 | 215 |
| 2005 | 89 | 181 |
| 2006 | 87 | 153 |
| 2007 | 72 | 207 |
| 2008 | 77 | 193 |
| 2009 | 94 | 249 |
| 2010 | 123 | 339 |
| 2011 | 176 | 265 |
| 2012 | 173 | 308 |
| 2013 | 190 | 294 |
| 2014 | 192 | 292 |
| 2015 | 196 | 343 |
| 2016 | 232 | 350 |
| 2017 | 248 | 348 |
| 2018 | 242 | 319 |
| 2019 | 285 | 366 |
| 2020 | 270 | 379 |
| 2021 | 262 | 397 |
| 2022 | 219 | 384 |
| 2023 | 236 | 324 |
| 2024 | 219 | 330 |
| 2025 | 210 | 317 |
| 2026 | 144 | 240 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Epoxy resin curing agent, epoxy resin composition, and paint6 Oct 2026US 12,753,270 B2Mitsubishi Gas Chemical Company, Inc.
- Methods of treating unconsolidated sand formations using a red mud sealant composition6 Oct 2026US 12,753,339 B2Saudi Arabian Oil Company
- Fabrication process for polymer-based bipolar batteries via in-situ polymerization6 Oct 2026US 12,756,006 B2GM Global Technology Operations LLC
- Curing agent, method of producing curing agent, and curable composition29 Sep 2026US 12,747,349 B2Dexerials Corporation
- Coumarin-based thermosets and thermoplastics22 Sep 2026US 12,741,950 B1The United States of America as represented by the Secretary of the Navy
- Resin Composition and Use Thereof8 Oct 2026US 2026/0308375 A1Tokuyama Corporation
- Compounds for the formation of vitrimers1 Oct 2026US 2026/0297046 A1
- Epoxy resin composition particle, tablet, and method for producing columnar tablet1 Oct 2026US 2026/0297243 A1Sumitomo Bakelite Co., Ltd.
- 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.
Most cited
By later US patents
- Coated abrasive having radiation curable binder286US 4,751,138 AMinnesota Mining and Manufacturing Company · 1988
- Photocurable compositions containing group via aromatic onium salts198US 4,058,401 AGeneral Electric Company · 1977
- Liquid polythioethers193US 4,366,307 AProducts Research & Chemical Corp. · 1982
- Coated abrasive article incorporating an energy cured hot melt make coat180US 5,436,063 AMinnesota Mining and Manufacturing Company · 1995
- Ultraviolet curable epoxy silicone coating compositions179US 4,279,717 AGeneral Electric Company · 1981