C07C 67/12
From asymmetrical anhydrides
Official title: from asymmetrical anhydrides
C07C67/12 (From asymmetrical anhydrides) appears on 31 US grants and 33 published applications in this corpus.
Search patents in C07C- Granted patents
- 31
- Published applications
- 33
- Assignees
- 29
- Inventors
- 90
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 4 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 4 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for producing fatty alcohol esters of hydroxycarboxylic acids22 Jul 2025US 12,365,645 B2KetoLipix Therapeutics GmbH
- Method for producing fatty alcohol esters of hydroxycarboxylic acids9 Jul 2024US 12,030,852 B2Ioi Oleo GmbH
- Carboxy alkyl-ester anti-agglomerants for the control of natural gas hydrates16 Nov 2021US 11,174,235 B2ChampionX USA Inc.
- Automated contactless access device location system and method25 May 2021US 11,015,014 B2Visa International Service Association
- Fragrance mixture27 Apr 2021US 10,988,434 B2Symrise AG
- Method for producing fatty alcohol esters of hydroxycarboxylic acids5 Sep 2024US 2024/0294456 A1Ioi Oleo GmbH
- Recycled content triacetin8 Jun 2023US 2023/0174455 A1Eastman Chemical Company
- Method for producing fatty alcohol esters of hydroxycarboxylic acids25 May 2023US 2023/0159430 A1Ioi Oleo GmbH
- Method for producing 1-palmitoyl-2-linoleoyl-3-acetyl glycerol15 Apr 2021US 2021/0107857 A1Enzychem Lifesciences Corporation
- Fragrance mixture9 Jan 2020US 2020/0010402 A1Symrise AG
Most cited
By later US patents
- Kinetic resolutions of chiral 2- and 3-substituted carboxylic acids8US 6,562,966 B2Brandeis University · 2003
- Kinetic resolutions of chiral 2-and-3-substituted carboxylic acids7US 6,562,967 B2Brandeis University · 2003
- Compound, and separation method, synthesis method and use thereof5US 10,099,998 B2Beijing Peking University WBL Biotech Co., Ltd. · 2018
- Carbonate Intermediates useful in the preparation of optically active cyclohexylphenylglycolate esters5US 5,973,182 ASepracor Inc. · 1999
- Nitration or carboxylation catalysts5US 6,468,487 B1Daicel Chemical Industries, Ltd. · 2002