C07B 41/12
Formation or introduction of functional groups containing oxygen: of carboxylic acid ester
Official title: of carboxylic acid ester groups
C07B41/12 (Formation or introduction of functional groups containing oxygen: of carboxylic acid ester) appears on 60 US grants and 70 published applications in this corpus.
Search patents in C07B- Granted patents
- 60
- Published applications
- 70
- Assignees
- 42
- Inventors
- 167
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 2 | 7 |
| 2005 | 4 | 3 |
| 2006 | 4 | 1 |
| 2007 | 0 | 8 |
| 2008 | 1 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 5 | 3 |
| 2014 | 0 | 2 |
| 2015 | 3 | 1 |
| 2016 | 2 | 6 |
| 2017 | 5 | 3 |
| 2018 | 2 | 9 |
| 2019 | 4 | 5 |
| 2020 | 7 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing tobacco flavor liquid, tobacco flavor liquid, method for producing ester compound, and smoking article25 Aug 2026US 12,714,133 B2Japan Tobacco Inc.
- Polyester polyol with high biomass ratio for polyurethane controlled-release fertilizer envelope, preparation method thereof and envelope18 Nov 2025US 12,473,243 B2Maoshi Agricultural Technology Co., Ltd
- Manganese based complexes and uses thereof for homogeneous catalysis19 Nov 2024US 12,145,139 B2Yeda Research and Development Co. Ltd.
- Manganese based complexes and uses thereof for homogeneous catalysis22 Aug 2023US 11,731,116 B2Yeda Research and Development Co. Ltd.
- Synthesis and application of microbubble-forming compounds17 Jan 2023US 11,554,094 B2California Institute of Technology
- Decarboxylative acetoxylation using mn(ii) or mn(iii) reagent for synthesis of 4'-acetoxy-nucleoside and use thereof for synthesis of corresponding 4'-(dimethoxyphosphoryl)methoxy-nucleotide19 Jun 2025US 2025/0197439 A1Dicerna Pharmaceuticals, Inc.
- Bridged catalysts and synthesis and uses thereof27 Mar 2025US 2025/0099949 A1PMC Organometallix, Inc.
- Method for preparing carboxylic acid ester compound15 Aug 2024US 2024/0270675 A1Soochow University
- Method for alkylating acidic functional group25 Apr 2024US 2024/0132431 A1Chugai Seiyaku Kabushiki Kaisha
- Manganese based complexes and uses thereof for homogeneous catalysis23 Nov 2023US 2023/0372915 A1Yeda Research and Development Co. Ltd.
Most cited
By later US patents
- Methods for synthesizing oligomers containing hydroxy acid units56US 5,625,030 AMetabolix, Inc. · 1997
- Compounds for the treatment of metabolic disorders40US 6,924,314 B2Wellstat Therapeutics Corporation · 2005
- Compounds for the treatment of metabolic disorders31US 7,012,071 B2Wellstat Therapeutics Corporation · 2006
- Compounds for the treatment of metabolic disorders31US 7,041,659 B2Wellstat Therapeutics Corporation · 2006
- Compounds for the treatment of metabolic disorders30US 7,101,910 B2Wellstat Therapeutics Corporation · 2006