C07C 67/10
Preparation of carboxylic acid esters: by reacting carboxylic acids or symmetrical anhydrides
Official title: by reacting carboxylic acids or symmetrical anhydrides with ester groups or with a carbon-halogen bond (preparation from carboxylic acid halides C07C67/14)
C07C67/10 (Preparation of carboxylic acid esters: by reacting carboxylic acids or symmetrical anhydrides) appears on 255 US grants and 216 published applications in this corpus.
Search patents in C07C- Granted patents
- 255
- Published applications
- 216
- Assignees
- 176
- Inventors
- 692
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 7 |
| 2003 | 10 | 9 |
| 2004 | 4 | 12 |
| 2005 | 5 | 10 |
| 2006 | 7 | 8 |
| 2007 | 6 | 4 |
| 2008 | 5 | 13 |
| 2009 | 2 | 6 |
| 2010 | 6 | 10 |
| 2011 | 6 | 10 |
| 2012 | 8 | 12 |
| 2013 | 8 | 3 |
| 2014 | 10 | 14 |
| 2015 | 20 | 15 |
| 2016 | 16 | 18 |
| 2017 | 18 | 11 |
| 2018 | 7 | 9 |
| 2019 | 4 | 6 |
| 2020 | 5 | 0 |
| 2021 | 2 | 10 |
| 2022 | 5 | 10 |
| 2023 | 4 | 3 |
| 2024 | 2 | 5 |
| 2025 | 7 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthesis of pro-resolving analogs and compositions therefor20 Jan 2026US 12,527,760 B2Nocendra Inc.
- Methanol and sulfuric acid co-production system16 Dec 2025US 12,496,533 B2Korea Institute of Science and Technology
- Oxidation of santalene to santalol19 Aug 2025US 12,391,635 B2Isobionics B.V.
- Synthesis of straight-chain lepidopteran pheromones through one- or two-carbon homologation of fatty alkenes1 Jul 2025US 12,344,573 B2Provivi, Inc.
- Method for producing fluoroalkoxide24 Jun 2025US 12,338,213 B2Daikin Industries, Ltd.
- Fluorinated esters, methods of synthesizing the same, and uses of the same27 Aug 2026US 2026/0250231 A1
- Stilbene derivative, preparation method thereof and application thereof in preparation of drugs for treating psoriasis or ulcerative colitis11 Jun 2026US 2026/0159466 A1Huazhong University of Science and Technology
- Synthesis of pro-resolving analogs and compositions therefor23 Apr 2026US 2026/0108486 A1Nocendra Inc.
- Methods of Synthesizing Corticiolic Acid16 Apr 2026US 2026/0103435 A1Amrita Vishwa Vidyapeetham
- Preparation method for intermediate compound acting as synthetic posaconazole, and intermediate compound prepared thereby29 Jan 2026US 2026/0028322 A1Zhejiang Ausun Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Process for preparation of epoxy compounds essentially free of organic halides44US 5,578,740 AThe Dow Chemical Company · 1996
- Radiation-curable monomers and polymers thereof35US 4,148,987 ARohm and Haas Company · 1979
- Process for producing halomethyl ester of aliphatic carboxylic acid29US 5,319,132 AIhara Chemical Industry Co., Ltd. · 1994
- Process for preparing functional group-containing olefinic compounds28US 6,838,576 B13M Innovative Properties Company · 2005
- Resin-metal compound complex for catalyzing chemical reactions26US 4,323,698 AMobil Oil Corporation · 1982