C07C 69/52
Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound
Official title: Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
C07C69/52 (Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound) appears on 1,290 US grants and 1,260 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,290
- Published applications
- 1,260
- Assignees
- 661
- Inventors
- 3,081
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 8 | 0 |
| 1978 | 10 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 19 | 0 |
| 1994 | 14 | 0 |
| 1995 | 14 | 0 |
| 1996 | 19 | 0 |
| 1997 | 21 | 0 |
| 1998 | 42 | 0 |
| 1999 | 20 | 0 |
| 2000 | 22 | 0 |
| 2001 | 34 | 7 |
| 2002 | 26 | 20 |
| 2003 | 23 | 20 |
| 2004 | 14 | 18 |
| 2005 | 5 | 20 |
| 2006 | 14 | 34 |
| 2007 | 13 | 26 |
| 2008 | 10 | 22 |
| 2009 | 11 | 45 |
| 2010 | 19 | 41 |
| 2011 | 38 | 47 |
| 2012 | 19 | 45 |
| 2013 | 46 | 71 |
| 2014 | 51 | 68 |
| 2015 | 64 | 88 |
| 2016 | 70 | 100 |
| 2017 | 82 | 78 |
| 2018 | 64 | 86 |
| 2019 | 77 | 63 |
| 2020 | 67 | 72 |
| 2021 | 57 | 72 |
| 2022 | 42 | 48 |
| 2023 | 31 | 53 |
| 2024 | 36 | 40 |
| 2025 | 25 | 44 |
| 2026 | 26 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 69/533Monocarboxylic acid esters having only one carbon-to-carbon double bond731
- C07C 69/587Monocarboxylic acid esters having at least two carbon-to-carbon double bonds212
- C07C 69/593Dicarboxylic acid esters having only one carbon-to-carbon double bond205
- C07C 69/604Polycarboxylic acid esters, the acid moiety containing more than two carboxyl groups91
- C07C 69/602Dicarboxylic acid esters having at least two carbon-to-carbon double bonds82
- C07C 69/606Having only or additionally carbon-to-carbon triple bonds as unsaturation in the carboxylic17
Recent patents
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- Cardanol-based reactive diluents and their use and preparation15 Sep 2026US 12,735,381 B2Covestro (Netherlands) B.V.
- Alpha-carbonyl alkenyl ester preparation method therefor and application thereof15 Sep 2026US 12,735,449 B2Jiangxi Normal University
- Processes for preparing 3-isopropenyl-6-heptenal compound and 6-isopropenyl-3-methyl-3,9-decadienyl carboxylate compound, process for preparing intermediate thereof, and intermediate thereof8 Oct 2026US 2026/0308091 A1Shin-Etsu Chemical Co., Ltd.
- Fragrance or flavour mixture10 Sep 2026US 2026/0265640 A1Symrise AG
- (meth)acrylate, curable composition, cured body, laminate, optical article, lens, and eyeglasses3 Sep 2026US 2026/0258262 A1Tokuyama Corporation
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Most cited
By later US patents
- Liquid emulsion polymers useful as pH responsive thickeners for aqueous systems228US 4,384,096 AThe Dow Chemical Company · 1983
- 1,3-propane diol esters and ethers and methods for their use in drug delivery162US 6,555,700 B1Scotia Holdings PLC · 2003
- Fatty acid esters as bioactive compounds147US 6,245,811 B1Scotia Holdings PLC · 2001
- Ester compounds, polymers, resist compositions and patterning process132US 6,312,867 B1Shin-Etsu Chemical Co., Ltd. · 2001
- Use of fumaric acid derivatives82US 6,436,992 B1Fumapharm AG · 2002