C08F 222/16
Esters having free carboxylic acid groups
Official title: Esters having free carboxylic acid groups {, e.g. monoalkyl maleates or fumarates}
C08F222/16 (Esters having free carboxylic acid groups) appears on 22 US grants and 26 published applications in this corpus.
Search patents in C08F- Granted patents
- 22
- Published applications
- 26
- Assignees
- 30
- Inventors
- 114
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 5 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 2 | 4 |
| 2024 | 2 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Crosslinkable acrylic rubber composition1 Sep 2026US 12,723,120 B2Unimatec Co., Ltd.
- Acrylic rubber, acrylic rubber composition, crosslinked acrylic rubber, seal material, and hose material10 Dec 2024US 12,162,969 B2Zeon Corporation
- Preparation method of itaconate-butadiene bio-based engineering rubber6 Feb 2024US 11,890,896 B2Beijing University of Chemical Technology
- UV-curable non-isocyanate polyurea polymer and UV-curable coating composition containing the same29 Aug 2023US 11,739,213 B2Guangdong Huarun Paints Co., Ltd.
- Crosslinking material and uses thereof7 Mar 2023US 11,597,791 B2PPG Industries Ohio, Inc.
- Novel bio-based terpolymer and preparation method and use thereof30 Apr 2026US 2026/0117011 A1All-Plus Chemical Co., Ltd.
- Crosslinkable acrylic rubber composition31 Oct 2024US 2024/0360260 A1Unimatec Co., Ltd.
- Acrylic copoymer, acrylic copoymer-containing composition and crosslinked product of same8 Jun 2023US 2023/0174696 A1Osaka Soda Co., Ltd.
- Acrylic rubber excellent in storage stability25 May 2023US 2023/0159682 A1Zeon Corporation
- A crosslinking material and uses thereof20 Apr 2023US 2023/0117877 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Fixative polymers16US 5,972,329 AISP Investments Inc. · 1999
- Process for the production of adhesive-repellent coatings13US 4,331,718 ABeiersdorf AG · 1982
- Preparing monoalkenyl aromatic monomer-maleic half ester copolymer11US 5,237,024 AMonsanto Company · 1993
- Thermosetting acrylic copolymer usable as a powder paint and method for producing the same10US 4,129,545 AMitsubishi Rayon Co., Ltd. · 1978
- Film-forming polymers7US 6,306,990 B1Siemens Aktiengesellschaft · 2001