C08G 59/4238
Heterocyclic
Official title: {heterocyclic}
C08G59/4238 (Heterocyclic) appears on 65 US grants and 91 published applications in this corpus.
Search patents in C08G- Granted patents
- 65
- Published applications
- 91
- Assignees
- 70
- Inventors
- 245
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 4 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 5 |
| 2016 | 3 | 5 |
| 2017 | 5 | 14 |
| 2018 | 5 | 4 |
| 2019 | 5 | 10 |
| 2020 | 4 | 11 |
| 2021 | 6 | 1 |
| 2022 | 2 | 9 |
| 2023 | 4 | 2 |
| 2024 | 1 | 7 |
| 2025 | 6 | 4 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Epoxy-based resin composition for clear fiber composites and epoxy-based clear fiber composites18 Aug 2026US 12,709,668 B2Kaneka Americas Holding, Inc.
- Non-electroconductive flux, connected structure, and method for producing connected structure31 Mar 2026US 12,589,452 B2Sekisui Chemical Co., Ltd.
- Curable epoxy composition for rotary electric machine21 Oct 2025US 12,448,480 B2Daicel Corporation
- Resin composition for fiber-reinforced plastic, and fiberreinforced plastic containing said composition7 Oct 2025US 12,435,178 B2Adeka Corporation
- Vegetable oil-derived epoxy compositions having improved performance13 May 2025US 12,297,317 B2Washington State University
- Adhesive17 Sep 2026US 2026/0275175 A1Lohmann GmbH & Co. KG
- Vegetable oil-derivative epoxy compositions having improved performance10 Sep 2026US 2026/0265447 A1Washington State University
- Dielectric curable composition and dielectric curable composition component23 Jul 2026US 2026/0209469 A13M Innovative Properties Company
- Chain-linking agent, curable resin composition and cured product thereof, chain linking method, and epoxy resin2 Jul 2026US 2026/0184841 A1Honshu Chemical Industry Co., Ltd.
- Color stable epoxy compositions with long pot life2 Jul 2026US 2026/0184974 A13M Innovative Properties Company
Most cited
By later US patents
- Organic vegetable oil based resin and preparation method thereof19US 9,169,386 B2Eco Green Resins, LLC · 2015
- Dicarboxylic acid azomethines and high glass transition temperature polyester products produced therefrom17US 4,611,047 AFord Motor Company · 1986
- Dicarboxylic acid azomethines and high glass transition temperature polyester products produced therefrom16US 4,595,761 AFord Motor Company · 1986
- Composition of polyepoxide, 1,3,5-tris-(2-carboxyethyl) isocyanurate and dicarboxylic acid14US 6,130,297 ACytec Technology Corp. · 2000
- Thermosetting liquid composition containing a polyepoxide and a tricarboxylic isocyanurate10US 4,942,215 AEnichem Synthesis S.p.A. · 1990