C08G 59/04
Of polyhydroxy compounds with epihalohydrins or precursors thereof
Official title: of polyhydroxy compounds with epihalohydrins or precursors thereof
C08G59/04 (Of polyhydroxy compounds with epihalohydrins or precursors thereof) appears on 978 US grants and 615 published applications in this corpus.
Search patents in C08G- Granted patents
- 978
- Published applications
- 615
- Assignees
- 342
- Inventors
- 2,005
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 12 | 0 |
| 1982 | 16 | 0 |
| 1983 | 20 | 0 |
| 1984 | 20 | 0 |
| 1985 | 26 | 0 |
| 1986 | 25 | 0 |
| 1987 | 38 | 0 |
| 1988 | 29 | 0 |
| 1989 | 46 | 0 |
| 1990 | 41 | 0 |
| 1991 | 34 | 0 |
| 1992 | 40 | 0 |
| 1993 | 22 | 0 |
| 1994 | 24 | 0 |
| 1995 | 21 | 0 |
| 1996 | 13 | 0 |
| 1997 | 20 | 0 |
| 1998 | 26 | 0 |
| 1999 | 23 | 0 |
| 2000 | 14 | 0 |
| 2001 | 18 | 0 |
| 2002 | 9 | 8 |
| 2003 | 9 | 13 |
| 2004 | 11 | 14 |
| 2005 | 2 | 11 |
| 2006 | 6 | 9 |
| 2007 | 7 | 10 |
| 2008 | 10 | 12 |
| 2009 | 9 | 18 |
| 2010 | 6 | 18 |
| 2011 | 7 | 18 |
| 2012 | 8 | 24 |
| 2013 | 14 | 34 |
| 2014 | 16 | 23 |
| 2015 | 25 | 35 |
| 2016 | 20 | 42 |
| 2017 | 29 | 35 |
| 2018 | 20 | 24 |
| 2019 | 25 | 30 |
| 2020 | 29 | 40 |
| 2021 | 34 | 51 |
| 2022 | 28 | 45 |
| 2023 | 39 | 30 |
| 2024 | 23 | 29 |
| 2025 | 22 | 25 |
| 2026 | 14 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tricyclodecane dimethanol composition, ultraviolet curable composition, polymer composition, and method for producing tricyclodecane dimethanol composition25 Aug 2026US 12,715,828 B2Mitsubishi Chemical Corporation
- 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.
- Resist underlayer film-forming composition19 May 2026US 12,631,964 B2Nissan Chemical Corporation
- Processes for forming epoxy resin compositions and separation processes12 May 2026US 12,624,156 B2Westlake Epoxy Inc.
- 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