C08G 59/00
Polycondensates containing more than one epoxy group per molecule
Official title: Polycondensates containing more than one epoxy group per molecule (low-molecular-weight polyepoxy compounds C07); Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
C08G59/00 (Polycondensates containing more than one epoxy group per molecule) appears on 9,701 US grants and 7,769 published applications in this corpus.
Search patents in C08G- Granted patents
- 9,701
- Published applications
- 7,769
- Assignees
- 2,269
- Inventors
- 17,293
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 179 | 0 |
| 1977 | 127 | 0 |
| 1978 | 186 | 0 |
| 1979 | 129 | 0 |
| 1980 | 141 | 0 |
| 1981 | 202 | 0 |
| 1982 | 162 | 0 |
| 1983 | 188 | 0 |
| 1984 | 157 | 0 |
| 1985 | 202 | 0 |
| 1986 | 176 | 0 |
| 1987 | 205 | 0 |
| 1988 | 201 | 0 |
| 1989 | 225 | 0 |
| 1990 | 198 | 0 |
| 1991 | 213 | 0 |
| 1992 | 235 | 0 |
| 1993 | 185 | 0 |
| 1994 | 196 | 0 |
| 1995 | 177 | 0 |
| 1996 | 170 | 0 |
| 1997 | 176 | 0 |
| 1998 | 181 | 0 |
| 1999 | 184 | 0 |
| 2000 | 169 | 0 |
| 2001 | 194 | 43 |
| 2002 | 184 | 150 |
| 2003 | 177 | 198 |
| 2004 | 144 | 231 |
| 2005 | 96 | 198 |
| 2006 | 93 | 166 |
| 2007 | 76 | 220 |
| 2008 | 82 | 212 |
| 2009 | 109 | 272 |
| 2010 | 137 | 362 |
| 2011 | 186 | 282 |
| 2012 | 178 | 333 |
| 2013 | 209 | 321 |
| 2014 | 209 | 323 |
| 2015 | 227 | 370 |
| 2016 | 252 | 387 |
| 2017 | 276 | 382 |
| 2018 | 271 | 348 |
| 2019 | 318 | 406 |
| 2020 | 300 | 422 |
| 2021 | 291 | 423 |
| 2022 | 242 | 419 |
| 2023 | 265 | 350 |
| 2024 | 237 | 356 |
| 2025 | 233 | 342 |
| 2026 | 151 | 253 |
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.
- Polymer and thermal interface material6 Oct 2026US 12,753,335 B2Industrial Technology Research Institute
- 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
- Resin Composition and Use Thereof8 Oct 2026US 2026/0308375 A1Tokuyama Corporation
- Compounds for the formation of vitrimers1 Oct 2026US 2026/0297046 A1
- Monomers for the formation of vitrimers1 Oct 2026US 2026/0297242 A1Airbus SAS
- 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
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