C08G 59/025
Characterised by the purification methods used
Official title: {characterised by the purification methods used}
C08G59/025 (Characterised by the purification methods used) appears on 13 US grants and 14 published applications in this corpus.
Search patents in C08G- Granted patents
- 13
- Published applications
- 14
- Assignees
- 18
- Inventors
- 60
- Latest grant
- 17 May 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Epoxy resin system for structural composites17 May 2022US 11,332,571 B2Aditya Birla Chemicals (Thailand) Ltd.
- Epoxy resin, method for producing epoxy resin, curable resin composition, cured product, fiber reinforced composite material, and molded article14 Aug 2018US 10,047,190 B2DIC Corporation
- Distilled epoxy novolac resins4 Jul 2017US 9,695,271 B2Blue Cube IP LLC
- Distilled epoxy novolac resins9 May 2017US 9,644,067 B2Blue Cube IP LLC
- Thermosettable compositions and thermosets therefrom30 Jun 2015US 9,068,039 B2Dow Global Technologies LLC
- Epoxy compound product18 Jun 2026US 2026/0167764 A1Daicel Corporation
- Phenolic epoxy resin and method for manufacturing the same30 Oct 2025US 2025/0333562 A1Nan Ya Plastics Corporation
- Processes for forming epoxy resin compositions and separation processes10 Oct 2024US 2024/0336723 A1Westlake Epoxy Inc.
- Purification of high performance epoxy resins via membrane filtration technology29 Jul 2021US 2021/0230354 A1Hexion Inc.
- An epoxy resin system for structural composites11 Mar 2021US 2021/0070924 A1Aditya Birla Chemicals (Thialand) Limited
Most cited
By later US patents
- Method for producing purified epoxy compound8US 5,892,065 ANissan Chemical Industries, Ltd. · 1999
- Methods of reducing the chloride content of epoxy compounds8US 6,211,389 B1The Dexter Corporation · 2001
- Process for reducing the content of hydrolyzable chlorine in glycidyl compounds6US 4,668,807 ACiba-Geigy Corporation · 1987
- Process for the preparation of diepoxides4US 4,026,761 ASocieta' Italiana Resine S.I.R. S.p.A. · 1977
- Substituted phenol-formaldehyde novolac resins containing reduced quantities of 2-functional components and epoxy novolac resins prepared therefrom2US 5,106,923 AThe Dow Chemical Company · 1992