C08F 220/32
Containing epoxy radicals
Official title: containing epoxy radicals
C08F220/32 (Containing epoxy radicals) appears on 335 US grants and 475 published applications in this corpus.
Search patents in C08F- Granted patents
- 335
- Published applications
- 475
- Assignees
- 283
- Inventors
- 1,521
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 4 |
| 2003 | 5 | 5 |
| 2004 | 5 | 4 |
| 2005 | 1 | 3 |
| 2006 | 4 | 8 |
| 2007 | 0 | 12 |
| 2008 | 1 | 6 |
| 2009 | 4 | 17 |
| 2010 | 13 | 17 |
| 2011 | 6 | 22 |
| 2012 | 5 | 16 |
| 2013 | 13 | 15 |
| 2014 | 11 | 25 |
| 2015 | 16 | 21 |
| 2016 | 14 | 24 |
| 2017 | 19 | 29 |
| 2018 | 21 | 24 |
| 2019 | 19 | 22 |
| 2020 | 18 | 38 |
| 2021 | 14 | 43 |
| 2022 | 17 | 31 |
| 2023 | 23 | 37 |
| 2024 | 30 | 19 |
| 2025 | 13 | 15 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Contaminant remediation with functionalized (meth)acrylic polymer or copolymer macroparticulates and systems related thereto6 Oct 2026US 12,753,257 B2Countertrace LLC
- Composition, transfer film, manufacturing method for laminate, manufacturing method for circuit wire, and manufacturing method for electronic device25 Aug 2026US 12,715,990 B2FUJIFILM Corporation
- Thermoplastic resin composition14 Jul 2026US 12,679,968 B2LG Chem.Ltd.
- Infrared cut-off filter, solid-state image sensor filter, solid-state image sensor, and method for producing solid-state image sensor filter19 May 2026US 12,630,656 B2Toppan Inc.
- EUV resist underlayer film-forming composition12 May 2026US 12,625,431 B2Nissan Chemical Corporation
- Coupling agents27 Aug 2026US 2026/0250435 A1Lubrizol Advanced Materials, Inc.
- Compound, polymerizable composition, cured product, optical film, polarizing plate, and image display device20 Aug 2026US 2026/0243940 A1FUJIFILM Corporation
- Euv resist underlayer film-forming composition20 Aug 2026US 2026/0244106 A1Nissan Chemical Corporation
- Ethylene copolymers for hydrocarbon applications30 Jul 2026US 2026/0217889 A1Dow Global Technologies LLC
- Thermosetting resin composition, cured film, and solid-state imaging device30 Jul 2026US 2026/0217964 A1Dongwoo Fine-Chem Co., Ltd.
Most cited
By later US patents
- Oligomeric chain extenders for processing, post-processing and recycling of condensation polymers, synthesis, compositions and applications96US 6,984,694 B2Johnson Polymer, Inc. · 2006
- Bead-shaped crosslinked copolymers containing epoxide groups and basic amino groups, a process for their preparation and their use62US 4,772,635 ABayer Aktiengesellschaft · 1988
- Polymer emulsion products58US 4,647,612 APPG Industries, Inc. · 1987
- Photochromic curable composition46US 5,776,376 ATokuyama Corporation · 1998
- Aqueous acrylic polymer dispersions38US 4,304,701 APPG Industries, Inc. · 1981