C07C 67/035
Preparation of carboxylic acid esters: by reacting carboxylic acids or symmetrical anhydrides
Official title: by reacting carboxylic acids or symmetrical anhydrides with saturated hydrocarbons
C07C67/035 (Preparation of carboxylic acid esters: by reacting carboxylic acids or symmetrical anhydrides) appears on 65 US grants and 46 published applications in this corpus.
Search patents in C07C- Granted patents
- 65
- Published applications
- 46
- Assignees
- 46
- Inventors
- 171
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 5 |
| 2016 | 4 | 3 |
| 2017 | 2 | 6 |
| 2018 | 3 | 3 |
| 2019 | 4 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 5 |
| 2022 | 4 | 5 |
| 2023 | 2 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for manufacturing cyclopropane compound24 Sep 2024US 12,098,137 B2Sumitomo Chemical Company, Limited
- Solvent extraction of oil from distillers dried grains and methods of using extraction products23 May 2023US 11,653,675 B2Novita Nutrition, LLC
- Preparation method and apparatus for methyl methacrylate21 Dec 2023US 2023/0406807 A1Zhejiang Nhu Company Ltd.
- Solvent extraction of oil from distillers dried grains and methods of using extraction products3 Aug 2023US 2023/0240330 A1Novita Nutrition, LLC
- Cashew nut shell liquid based substituted cyclohexene derivatives and uses thereof30 Jun 2022US 2022/0204423 A1Cardolite Corporation
- Methods for functionalization hydrocarbons16 Jun 2022US 2022/0185748 A1California Institute of Technology
- Ru-catalysed domino hydroformylation / hydrogenation / esterification using imidazole ligands26 May 2022US 2022/0161244 A1Evonik Operations GmbH
Most cited
By later US patents
- Process for converting lower alkanes to esters42US 5,233,113 ACatalytica, Inc. · 1993
- Catalytic process for converting lower alkanes to esters, alcohols, and to hydrocarbons39US 5,306,855 ACatalytica, Inc. · 1994
- Method of photocatalytic conversion of C-H organics29US 5,708,246 ABattelle Memorial Institute · 1998
- Oxidation catalyst24US 6,391,821 B1Nippon Shokubai Co., Ltd. · 2002
- Coupling of aromatic compounds in the presence of molecular oxygen, a mercuric oxyanion compound, and a group VIII metal or group VIII metal oxyanion compound20US 4,008,266 AMonsanto Company · 1977