C08L 63/00
Compositions of epoxy resins
Official title: Compositions of epoxy resins; Compositions of derivatives of epoxy resins
C08L63/00 (Compositions of epoxy resins) appears on 6,177 US grants and 5,952 published applications in this corpus.
Search patents in C08L- Granted patents
- 6,177
- Published applications
- 5,952
- Assignees
- 1,934
- Inventors
- 14,151
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 85 | 0 |
| 1977 | 60 | 0 |
| 1978 | 94 | 0 |
| 1979 | 54 | 0 |
| 1980 | 50 | 0 |
| 1981 | 75 | 0 |
| 1982 | 59 | 0 |
| 1983 | 51 | 0 |
| 1984 | 39 | 0 |
| 1985 | 62 | 0 |
| 1986 | 46 | 0 |
| 1987 | 56 | 0 |
| 1988 | 60 | 0 |
| 1989 | 87 | 0 |
| 1990 | 86 | 0 |
| 1991 | 139 | 0 |
| 1992 | 133 | 0 |
| 1993 | 133 | 0 |
| 1994 | 144 | 0 |
| 1995 | 128 | 0 |
| 1996 | 100 | 0 |
| 1997 | 110 | 0 |
| 1998 | 120 | 0 |
| 1999 | 119 | 0 |
| 2000 | 120 | 0 |
| 2001 | 145 | 38 |
| 2002 | 109 | 107 |
| 2003 | 118 | 144 |
| 2004 | 80 | 160 |
| 2005 | 83 | 145 |
| 2006 | 78 | 146 |
| 2007 | 63 | 136 |
| 2008 | 50 | 196 |
| 2009 | 86 | 220 |
| 2010 | 109 | 284 |
| 2011 | 130 | 285 |
| 2012 | 143 | 313 |
| 2013 | 177 | 310 |
| 2014 | 197 | 310 |
| 2015 | 207 | 348 |
| 2016 | 253 | 318 |
| 2017 | 244 | 282 |
| 2018 | 227 | 286 |
| 2019 | 244 | 312 |
| 2020 | 223 | 313 |
| 2021 | 220 | 286 |
| 2022 | 182 | 251 |
| 2023 | 168 | 257 |
| 2024 | 157 | 204 |
| 2025 | 174 | 182 |
| 2026 | 100 | 119 |
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.
- Modified resin composition, preparation method therefor and use thereof6 Oct 2026US 12,753,303 B2Guangdong Hinno-Tech Co., Ltd.
- Silicone emulsion composition and fiber treatment agent6 Oct 2026US 12,753,312 B2Shin-Etsu Chemical Co., Ltd.
- Curing agent, method of producing curing agent, and curable composition29 Sep 2026US 12,747,349 B2Dexerials Corporation
- Dual catalyst system for mass vinyl addition and cationic polymerizable compositions22 Sep 2026US 12,742,041 B2Promerus, LLC
- Polymer microparticles, resin modifier, and resin composition8 Oct 2026US 2026/0308338 A1Kaneka Corporation
- Resin Composition and Use Thereof8 Oct 2026US 2026/0308375 A1Tokuyama Corporation
- Fitting collar and tube-fitting assemblies incorporating fitting collars8 Oct 2026US 2026/0309265 A1Avtechtyee Inc.
- Magnetic paste, circuit member, and method for manufacturing circuit member8 Oct 2026US 2026/0311919 A1
- Magnetic composition, magnetic film, stack, and circuit member1 Oct 2026US 2026/0297291 A1
Most cited
By later US patents
- Plastic-encapsulated semiconductor device337US 5,641,997 AKabushiki Kaisha Toshiba · 1997
- Compositions and systems for forming crosslinked biomaterials and associated methods of preparation and use264US 6,458,889 B1Cohesion Technologies, Inc. · 2002
- Medical material containing covalently bound heparin and process for its production262US 5,165,919 ATerumo Kabushiki Kaisha · 1992
- Liquid polythioethers193US 4,366,307 AProducts Research & Chemical Corp. · 1982
- Water-absorbent resin having improved water-absorbency and improved water-dispersibility and process for producing same188US 4,541,871 ASeitetsu Kagaku Co., Ltd. · 1985