C07C 67/44
Preparation of carboxylic acid esters: by oxidation-reduction of aldehydes
Official title: by oxidation-reduction of aldehydes, e.g. Tishchenko reaction
C07C67/44 (Preparation of carboxylic acid esters: by oxidation-reduction of aldehydes) appears on 56 US grants and 53 published applications in this corpus.
Search patents in C07C- Granted patents
- 56
- Published applications
- 53
- Assignees
- 37
- Inventors
- 141
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
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| 1986 | 0 | 0 |
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| 1992 | 1 | 0 |
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| 1995 | 1 | 0 |
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| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 2 | 3 |
| 2018 | 3 | 1 |
| 2019 | 3 | 5 |
| 2020 | 7 | 4 |
| 2021 | 3 | 5 |
| 2022 | 3 | 7 |
| 2023 | 5 | 2 |
| 2024 | 2 | 4 |
| 2025 | 2 | 4 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for production of carboxylic acid ester, method for producing catalyst for production of carboxylic acid ester, and method for producing carboxylic acid ester18 Aug 2026US 12,708,895 B2Asahi Kasei Kabushiki Kaisha
- Continuous production system for alcohol ester C-1213 Jan 2026US 12,521,692 B2Runtai New Material Co., Ltd.
- Simplified workup of the reactor output from an oxidative esterification13 May 2025US 12,297,170 B2Rohm Co., Ltd.
- Carbonyl compounds, methods for preparing same and uses thereof25 Mar 2025US 12,258,312 B2Global Bioenergies
- Process for eliminating interfering by-products in the direct oxidative esterification of methacrolein25 Jun 2024US 12,017,987 B2Rohm Co., Ltd.
- Catalyst for the production of methyl methacrylate16 Jul 2026US 2026/0199880 A1
- Catalyst precursor and method for manufacturing same, catalyst molded article and method for manufacturing same, method for manufacturing catalyst, method for manufacturing alpha,beta-unsaturated carboxylic acid, and method for manufacturing alpha,beta-unsaturated carboxylic acid ester17 Jul 2025US 2025/0229258 A1Mitsubishi Chemical Corporation
- Process for preparing octahydro-2(1h)-naphthalenone derivatives29 May 2025US 2025/0171391 A1Firmenich SA
- Process and catalyst for oxidative esterification with long-life catalyst24 Apr 2025US 2025/0128241 A1
- Optimized process for manufacturing methyl methacrylate2 Jan 2025US 2025/0002445 A1
Most cited
By later US patents
- Processes for preparing 2,2,4-trimethyl-1,3-pentanediol derivatives32US 5,180,847 ABASF SE · 1993
- Catalytic condensation of aldehydes to 1,3-glycol monoesters29US 4,225,726 AEastman Kodak Company · 1980
- Selective oxidative conversion of methane to methanol, dimethyl ether and derived products14US 7,846,978 B2University of Southern California · 2010
- Preparation of 3-hydroxy-2,2,4-trimethylpentyl isobutyrate7US 4,273,934 ABASF SE · 1981
- Selective oxidative conversion of methane to methanol, dimethyl ether and derived products7US 7,705,059 B2University of Southern California · 2010