C08G 59/06
Of polyhydric phenols
Official title: of polyhydric phenols
C08G59/06 (Of polyhydric phenols) appears on 826 US grants and 544 published applications in this corpus.
Search patents in C08G- Granted patents
- 826
- Published applications
- 544
- Assignees
- 298
- Inventors
- 1,745
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 18 | 0 |
| 1984 | 17 | 0 |
| 1985 | 23 | 0 |
| 1986 | 22 | 0 |
| 1987 | 32 | 0 |
| 1988 | 23 | 0 |
| 1989 | 36 | 0 |
| 1990 | 30 | 0 |
| 1991 | 25 | 0 |
| 1992 | 30 | 0 |
| 1993 | 18 | 0 |
| 1994 | 21 | 0 |
| 1995 | 16 | 0 |
| 1996 | 11 | 0 |
| 1997 | 19 | 0 |
| 1998 | 21 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 0 |
| 2002 | 9 | 6 |
| 2003 | 5 | 11 |
| 2004 | 11 | 13 |
| 2005 | 2 | 9 |
| 2006 | 6 | 7 |
| 2007 | 5 | 7 |
| 2008 | 10 | 12 |
| 2009 | 6 | 14 |
| 2010 | 4 | 17 |
| 2011 | 7 | 15 |
| 2012 | 7 | 23 |
| 2013 | 13 | 32 |
| 2014 | 15 | 18 |
| 2015 | 18 | 33 |
| 2016 | 18 | 38 |
| 2017 | 25 | 31 |
| 2018 | 17 | 16 |
| 2019 | 21 | 29 |
| 2020 | 26 | 35 |
| 2021 | 30 | 47 |
| 2022 | 26 | 40 |
| 2023 | 35 | 29 |
| 2024 | 23 | 25 |
| 2025 | 19 | 20 |
| 2026 | 12 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Amorphous epoxy fiber, fiber structure, and molded body25 Aug 2026US 12,715,958 B2Kuraray Co., Ltd.
- Ester compound and resin composition7 Jul 2026US 12,674,019 B2Ajinomoto Co., Inc.
- Processes for forming epoxy resin compositions and separation processes12 May 2026US 12,624,156 B2Westlake Epoxy Inc.
- Cationic curing agent, method for producing same and cationically curable composition28 Apr 2026US 12,612,516 B2Dexerials Corporation
- Curable adhesive, bonding film, and method of bonding the same7 Apr 2026US 12,595,333 B23M Innovative Properties Company
- Vegetable oil-derivative epoxy compositions having improved performance10 Sep 2026US 2026/0265447 A1Washington State University
- Process for synthesis of epoxy resin from vanillin-based dialdehydes, aminophenol derivatives, and epichlorohydrin20 Aug 2026US 2026/0242535 A1Korea Institute of Science and Technology
- A method of curing an epoxide and use of the cured epoxide13 Aug 2026US 2026/0234321 A1Aditya Birla Chemicals (Thailand) Ltd.
- Curable resin composition, multilayer structure, cured product and electronic component25 Jun 2026US 2026/0176463 A1Taiyo Holdings Co., Ltd.
- Manufacturing method and manufacturing system for epoxy resin monomer18 Jun 2026US 2026/0167763 A1Industrial Technology Research Institute
Most cited
By later US patents
- Process for producing epoxy resins94US 4,438,254 AThe Dow Chemical Company · 1984
- Stable aqueous epoxy dispersions79US 4,315,044 ACelanese Corporation · 1982
- Self-dispersing curable epoxy resins, dispersions made therewith, and coating compositions made therefrom79US 6,303,672 B1Henkel Corporation · 2001
- Arylamine containing polyhydroxy ether resins and system utilizing arylamine containing polyhydroxyl ether resins66US 4,818,650 AXerox Corporation · 1989
- Preparation of epoxy resins58US 4,499,255 AThe Dow Chemical Company · 1985