C08F 20/26
Esters containing oxygen in addition to the carboxy oxygen
C08F20/26 (Esters containing oxygen in addition to the carboxy oxygen) appears on 580 US grants and 490 published applications in this corpus.
Search patents in C08F- Granted patents
- 580
- Published applications
- 490
- Assignees
- 317
- Inventors
- 1,625
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 16 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 13 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 16 | 0 |
| 1998 | 14 | 0 |
| 1999 | 15 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 3 |
| 2002 | 11 | 5 |
| 2003 | 8 | 20 |
| 2004 | 9 | 10 |
| 2005 | 6 | 7 |
| 2006 | 7 | 11 |
| 2007 | 10 | 5 |
| 2008 | 3 | 5 |
| 2009 | 3 | 4 |
| 2010 | 4 | 12 |
| 2011 | 7 | 18 |
| 2012 | 1 | 15 |
| 2013 | 7 | 16 |
| 2014 | 17 | 20 |
| 2015 | 16 | 19 |
| 2016 | 10 | 9 |
| 2017 | 14 | 28 |
| 2018 | 22 | 41 |
| 2019 | 17 | 40 |
| 2020 | 23 | 49 |
| 2021 | 43 | 40 |
| 2022 | 26 | 23 |
| 2023 | 26 | 32 |
| 2024 | 24 | 26 |
| 2025 | 19 | 9 |
| 2026 | 10 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, (co)polymer, composition, method for forming resist pattern, method for producing compound, and method for producing (co)polymer4 Aug 2026US 12,699,321 B2Mitsubishi Gas Chemical Company, Inc.
- Resin composition and film16 Jun 2026US 12,655,277 B2Toppan Inc.
- Semiconductor device having air gap and method for manufacturing the same19 May 2026US 12,635,511 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Osidic dispersing agent5 May 2026US 12,617,968 B2Coatex
- Stretchable resin composition, and resin sheet material, metal foil with resin, metal-clad laminate, and wiring board each including or obtained using same14 Apr 2026US 12,600,815 B2Panasonic Intellectual Property Management Co., Ltd.
- Photocurable composition and uses thereof17 Sep 2026US 2026/0275114 A1Board of Regents, The University of Texas System
- Glassy gels toughend by solvent10 Sep 2026US 2026/0265423 A1
- Protein based coupling agent for carbon fibers10 Sep 2026US 2026/0265500 A1BYK-Chemie GmbH
- Radiation curable compositions for coating optical fibers27 Aug 2026US 2026/0250540 A1Covestro LLC
- Semiconductor device having air gap and method for manufacturing the same27 Aug 2026US 2026/0255941 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Hydrophilic, hydrophobic, and thermoreversible saccharide gels and forms, and methods for producing same132US 6,018,033 APurdue Research Foundation · 2000
- Highly cross-linked polymeric supports126US 5,910,554 ARegents of the University of Minnesota · 1999
- Novel cured resin, process for production thereof, and lens composed of said resin from bis(alkyleneoxyphenyl)-diacrylate, bis(alkyleneoxyphenyl)diallyl ether, bis(alkyleneoxyphenyl)diallyl carbonate monomers103US 4,369,298 ATokuyama Soda Kabushiki Kaisha · 1983
- Polymer particles95US 9,688,788 B2Terumo Kabushiki Kaisha · 2017
- Fluorinated diacrylic esters and polymers therefrom89US 4,356,296 AThe United States of America as represented by the Secretary of the Navy · 1982