C08F 222/14
Esters having no free carboxylic acid groups
Official title: Esters having no free carboxylic acid groups {, e.g. dialkyl maleates or fumarates}
C08F222/14 (Esters having no free carboxylic acid groups) appears on 116 US grants and 129 published applications in this corpus.
Search patents in C08F- Granted patents
- 116
- Published applications
- 129
- Assignees
- 78
- Inventors
- 285
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 5 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 8 |
| 2015 | 5 | 20 |
| 2016 | 14 | 8 |
| 2017 | 8 | 15 |
| 2018 | 11 | 13 |
| 2019 | 10 | 7 |
| 2020 | 11 | 10 |
| 2021 | 10 | 5 |
| 2022 | 11 | 7 |
| 2023 | 9 | 4 |
| 2024 | 2 | 5 |
| 2025 | 1 | 4 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Acrylic rubber, rubber composition and rubber crosslinked product6 Oct 2026US 12,753,258 B2Zeon Corporation
- Viscosity index improver, refrigerator oil, and working fluid composition for refrigerators17 Feb 2026US 12,552,889 B2Eneos Corporation
- Zwitterion compound and production method and use for same13 Jan 2026US 12,522,678 B2Tokushima University
- Bioreducible poly (beta-amino ester)s for siRNA delivery29 Jul 2025US 12,371,522 B2The Johns Hopkins University
- Curing agent composition for curing 2-methylene-1,3-dicarbonyl compound19 Nov 2024US 12,146,014 B2Namics Corporation
- Copolymer rubber, rubber composition, and crosslinked rubber30 Jul 2026US 2026/0217953 A1Zeon Corporation
- Hydrophobic and oleophobic film layer, and method for preparing the same9 Jul 2026US 2026/0192331 A1Jiangsu Favored Nanotechnology Co., Ltd.
- Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, pattern forming method, and method for producing electronic device9 Jul 2026US 2026/0194813 A1FUJIFILM Corporation
- Aqueous polymer dispersion and coating composition2 Jul 2026US 2026/0184949 A1Dow Global Technologies LLC
- Bioreducible Poly (Beta-Amino Ester)s For siRNA Delivery2 Apr 2026US 2026/0092134 A1The Johns Hopkins University
Most cited
By later US patents
- Encapsulated polymerization initiators, polymerization systems and methods using the same57US 9,334,430 B1Sirrus, Inc. · 2016
- Method to obtain methylene malonate via bis(hydroxymethyl) malonate pathway54US 9,108,914 B1Sirrus, Inc. · 2015
- Methylene beta-diketone monomers, methods for making methylene beta-diketone monomers, polymerizable compositions and products formed therefrom54US 9,221,739 B2Sirrus, Inc. · 2015
- Ink coating formulations and polymerizable systems for producing the same44US 9,234,107 B2Sirrus, Inc. · 2016
- Terpolymer processing aid for polyvinyl halide polymers15US 4,547,428 AMonsanto Company · 1985