C07C 69/40
Succinic acid esters
C07C69/40 (Succinic acid esters) appears on 146 US grants and 155 published applications in this corpus.
Search patents in C07C- Granted patents
- 146
- Published applications
- 155
- Assignees
- 125
- Inventors
- 494
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 8 |
| 2005 | 2 | 7 |
| 2006 | 2 | 3 |
| 2007 | 4 | 0 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 6 |
| 2011 | 4 | 6 |
| 2012 | 0 | 2 |
| 2013 | 3 | 7 |
| 2014 | 2 | 8 |
| 2015 | 9 | 12 |
| 2016 | 11 | 9 |
| 2017 | 8 | 11 |
| 2018 | 6 | 6 |
| 2019 | 8 | 14 |
| 2020 | 16 | 20 |
| 2021 | 9 | 4 |
| 2022 | 9 | 9 |
| 2023 | 6 | 3 |
| 2024 | 5 | 6 |
| 2025 | 2 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric biomaterials derived from phenolic monomers and their medical uses7 Jul 2026US 12,674,024 B2Rutgers, The State University of New Jersey
- Compound in which polyglycerol, fatty acid, and dicarboxylic acid have been esterified9 Dec 2025US 12,491,150 B2Taiyo Kagaku Co., Ltd.
- Anthracene-based compound, and preparation method therefor and use thereof as solar thermal fuel27 May 2025US 12,312,311 B1Taiyuan University of Technology
- Lymphatic system-directing lipid prodrugs31 Dec 2024US 12,178,875 B2Monash University
- Compositions of biologically active menaquinol derivatives and methods of treatment1 Oct 2024US 12,103,914 B2Epizon Pharma, Inc.
- Catalyst, preparation method and use thereof10 Sep 2026US 2026/0264050 A1Shanghai DiYang Chemical Technology Co., Ltd.
- Process for producing dialkyl succinate6 Aug 2026US 2026/0225979 A1Johnson Matthey Davy Technologies Limited
- Composition for organ-specific delivery of nucleic acid23 Oct 2025US 2025/0325494 A1Themedium Therapeutics Co., Ltd.
- Lipid compound and use thereof12 Jun 2025US 2025/0188013 A1Themedium Therapeutics Co., Ltd.
- Cooling compounds and compositions15 May 2025US 2025/0154123 A1V. Mane Fils
Most cited
By later US patents
- Biodegradable polymer—bioactive moiety conjugates56US 8,535,655 B2Polyactiva Pty Ltd · 2013
- Aqueous viscoelastic fluid46US 7,036,585 B2Schlumberger Technology Corporation · 2006
- 3'-modified oligonucleotide derivatives26US 5,696,248 AHoechst Aktiengesellschaft · 1997
- Long chain diol diesters as low calorie fat mimetics23US 5,008,126 ANabisco Brands, Inc. · 1991
- Branched aromatic carbonate polymer17US 5,262,511 AGeneral Electric Company · 1993