C08G 59/26
Heterocyclic
Official title: heterocyclic
C08G59/26 (Heterocyclic) appears on 189 US grants and 149 published applications in this corpus.
Search patents in C08G- Granted patents
- 189
- Published applications
- 149
- Assignees
- 123
- Inventors
- 487
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 10 |
| 2013 | 3 | 1 |
| 2014 | 4 | 4 |
| 2015 | 3 | 11 |
| 2016 | 2 | 8 |
| 2017 | 5 | 7 |
| 2018 | 5 | 10 |
| 2019 | 7 | 11 |
| 2020 | 9 | 13 |
| 2021 | 3 | 12 |
| 2022 | 7 | 14 |
| 2023 | 4 | 11 |
| 2024 | 5 | 10 |
| 2025 | 7 | 8 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coumarin-based thermosets and thermoplastics22 Sep 2026US 12,741,950 B1The United States of America as represented by the Secretary of the Navy
- Aromatic diol compounds, diepoxide compounds, polymers prepared from such compounds, and methods for making the same1 Sep 2026US 12,723,128 B2Swimc LLC
- Method for producing polymer4 Aug 2026US 12,698,361 B2Nissan Chemical Corporation
- Curable adhesive, bonding film, and method of bonding the same7 Apr 2026US 12,595,333 B23M Innovative Properties Company
- Resist underlying film-forming composition comprising a reaction product with a glycidyl ester compound10 Mar 2026US 12,572,074 B2Nissan Chemical Corporation
- Curable Resin Composition and Adhesive Composition3 Sep 2026US 2026/0258183 A1LG Chem.Ltd.
- Curable Resin Composition and Adhesive Composition27 Aug 2026US 2026/0250504 A1Kuk Do Chemical Co., Ltd.
- Curable resin composition and cured product thereof30 Apr 2026US 2026/0117017 A1Nippon Kayaku Kabushiki Kaisha
- Porosity-free phenolic epoxies23 Apr 2026US 2026/0109806 A1APPLIED Materials.Inc.
- Composition for forming gap-filling material8 Jan 2026US 2026/0008934 A1Nissan Chemical Corporation
Most cited
By later US patents
- Thermoset epoxy polymers from renewable resources38US 7,619,056 B2New Jersey Institute of Technology · 2009
- Adducts containing hydroxyl groups from mononuclear hydantoin glycidyl compounds and non-aromatic dicarboxylic acids31US 4,296,005 ACiba-Geigy Corporation · 1981
- Molded products for high voltage apparatus comprising brominated epoxy resins31US 5,880,179 AMitsubishi Denki Kabushiki Kaisha · 1999
- Imidazolidine-blocked amine polymers26US 4,533,682 ADeSoto, Inc. · 1985
- Reverse osmosis using a composite isocyanurate membrane25US 4,366,062 AToray Industries, Inc. · 1982