C08G 18/581
Reaction products of epoxy resins with less than equivalent amounts of compounds
Official title: {Reaction products of epoxy resins with less than equivalent amounts of compounds containing active hydrogen added before or during the reaction with the isocyanate component (with amines C08G18/584)}
C08G18/581 (Reaction products of epoxy resins with less than equivalent amounts of compounds) appears on 87 US grants and 54 published applications in this corpus.
Search patents in C08G- Granted patents
- 87
- Published applications
- 54
- Assignees
- 51
- Inventors
- 219
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 6 | 2 |
| 2003 | 3 | 4 |
| 2004 | 2 | 7 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 3 |
| 2020 | 0 | 4 |
| 2021 | 6 | 8 |
| 2022 | 4 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Waterborne polyurethane-epoxy resin based primer composition and its preparation method thereof26 May 2026US 12,637,584 B2BASF Coatings GmbH
- Methods for forming omniphobic thermoset compositions and related articles8 Jul 2025US 12,351,731 B2Board of Trustees of Michigan State University
- Curable composition, cured product, and method of producing cured product8 Oct 2024US 12,110,360 B2Tokyo University of Science Foundation
- Curable resin composition, composite member, and production method therefor18 Jun 2024US 12,012,532 B2Daicel-Evonik Ltd.
- Microcapsules comprising natural materials23 Jan 2024US 11,878,280 B2Trucapsol LLC
- Fog and frost resistant coatings with low coefficient of friction21 Mar 2024US 2024/0093056 A1SDC Technologies, Inc.
- A waterborne polyurethane-epoxy resin based primer composition and its preparation method thereof7 Mar 2024US 2024/0076519 A1BASF Coatings GmbH
- Microcapsules comprising natural materials19 Oct 2023US 2023/0330615 A1Trucapsol LLC
- Curable Composition, Cured Product, and Method of Producing Cured Product6 Jul 2023US 2023/0212345 A1Tokyo University of Science Foundation
- Electrodepositable coating compositions2 Feb 2023US 2023/0035603 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Polyurethane prepolymers based on oleochemical polyols48US 4,508,853 AHenkel Kommanditgesellschaft · 1985
- Cationic resin and capped polyisocyanate curing agent suitable for use in electrodeposition41US 5,760,107 APPG Industries, Inc. · 1998
- Esters of diglycidyl polyethers of hydrogenated phenols and coating compositions containing same27US 4,252,935 APPG Industries, Inc. · 1981
- Curable compositions composite coatings and process for having improved mar and abrasion resistance27US 5,891,981 APPG Industries, Inc. · 1999
- Epoxy resin composition23US 5,169,910 AShell Oil Company · 1992