C08F 220/26
Esters containing oxygen in addition to the carboxy oxygen
C08F220/26 (Esters containing oxygen in addition to the carboxy oxygen) appears on 2,468 US grants and 3,279 published applications in this corpus.
Search patents in C08F- Granted patents
- 2,468
- Published applications
- 3,279
- Assignees
- 988
- Inventors
- 7,141
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 10 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 12 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 9 | 0 |
| 1999 | 15 | 0 |
| 2000 | 23 | 0 |
| 2001 | 30 | 12 |
| 2002 | 26 | 43 |
| 2003 | 39 | 38 |
| 2004 | 19 | 26 |
| 2005 | 16 | 42 |
| 2006 | 28 | 65 |
| 2007 | 23 | 87 |
| 2008 | 36 | 84 |
| 2009 | 36 | 127 |
| 2010 | 75 | 149 |
| 2011 | 83 | 159 |
| 2012 | 86 | 146 |
| 2013 | 143 | 130 |
| 2014 | 106 | 127 |
| 2015 | 124 | 149 |
| 2016 | 133 | 158 |
| 2017 | 127 | 203 |
| 2018 | 147 | 173 |
| 2019 | 128 | 186 |
| 2020 | 132 | 217 |
| 2021 | 134 | 219 |
| 2022 | 115 | 201 |
| 2023 | 137 | 179 |
| 2024 | 140 | 137 |
| 2025 | 106 | 124 |
| 2026 | 64 | 98 |
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
- Non-aqueous cross-linkable composition6 Oct 2026US 12,753,324 B2Allnex Resins (China) Co., Ltd.
- Elastic materials prepared from energy-curable liquid compositions29 Sep 2026US 12,747,317 B2Arkema France
- Polymer and preparation thereof, and electrolyte film and preparation thereof22 Sep 2026US 12,744,245 B2Contemporary Amperex Technology (Hong Kong) Limited
- Polymer and method for producing same, and resin composition for resist15 Sep 2026US 12,735,519 B2Maruzen Petrochemical Co., Ltd.
- Hydroxyl-modified binder and preparation method thereof, and secondary battery8 Oct 2026US 2026/0312057 A1Ningde Amperex Technology Limited
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284196 A1Rs Arastirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Cleavable polymer drug conjugates24 Sep 2026US 2026/0284197 A1Rs Arstirma Egitim Danismanlik Ilac Sanayi Ticaret Anonim Sirketi
- Crystallization-driven self-strengthening polymers and associated compositions and methods24 Sep 2026US 2026/0286030 A1The Regents of the University of Colorado, a body corporate
- Radiation-sensitive composition, resist pattern formation method, polymer, and compound17 Sep 2026US 2026/0277103 A1Jsr Corporation
Most cited
By later US patents
- Intraluminal stent having coaxial polymer member297US 6,530,950 B1Quanam Medical Corporation · 2003
- Supports useful for molecular imprinting technology247US 5,959,050 A1999
- Flexible intraocular lenses made from high refractive index polymers240US 5,290,892 ANestle S.A. · 1994
- Liquid emulsion polymers useful as pH responsive thickeners for aqueous systems228US 4,384,096 AThe Dow Chemical Company · 1983
- High refractive index ophthalmic lens materials189US 5,693,095 AAlcon Laboratories, Inc. · 1997