C12P 41/005
By esterification of carboxylic acid groups in the enantiomers or the inverse
Official title: {by esterification of carboxylic acid groups in the enantiomers or the inverse reaction}
C12P41/005 (By esterification of carboxylic acid groups in the enantiomers or the inverse) appears on 218 US grants and 123 published applications in this corpus.
Search patents in C12P- Granted patents
- 218
- Published applications
- 123
- Assignees
- 142
- Inventors
- 664
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 14 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 16 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 2 |
| 2002 | 10 | 5 |
| 2003 | 8 | 8 |
| 2004 | 2 | 9 |
| 2005 | 3 | 9 |
| 2006 | 10 | 8 |
| 2007 | 5 | 6 |
| 2008 | 5 | 8 |
| 2009 | 2 | 11 |
| 2010 | 3 | 5 |
| 2011 | 10 | 3 |
| 2012 | 4 | 3 |
| 2013 | 2 | 8 |
| 2014 | 5 | 1 |
| 2015 | 3 | 4 |
| 2016 | 5 | 1 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 5 | 2 |
| 2020 | 1 | 6 |
| 2021 | 4 | 3 |
| 2022 | 2 | 5 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 4 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Esterase mutant and use thereof6 Jan 2026US 12,516,303 B2Asymchem Life Science (Tianjin) Co., Ltd
- Lipase mutant and use thereof30 Dec 2025US 12,509,708 B2Asymchem Life Science (Tianjin) Co., Ltd
- Method for enzymatic resolution of chiral substances3 Jun 2025US 12,319,952 B2South China University of Technology
- Hydrolase and method for producing (1S,2S)-1-alkoxycarbonyl-2-vinylcyclopropane carboxylic acid using same25 Mar 2025US 12,258,593 B2Ube Corporation
- Method for resolving optical isomer by using supercritical fluid extraction technology7 Jan 2025US 12,188,066 B2Guang An Mojia Biotechnology Co., Ltd.
- Novel Esterase Mutants And Uses Thereof As Stereoselective Catalyst24 Sep 2026US 2026/0286323 A1Endura S. P. A.
- Lipase with improved stereoselectivity and lipase-based chiral resolution methods3 Sep 2026US 2026/0258381 A1
- Method for preparing (r)-ketorolac and use thereof5 Feb 2026US 2026/0035372 A1Yinuoke Medicine Science and Technology Co LTD
- Lipase mutant and application thereof5 Dec 2024US 2024/0401091 A1Asymchem Life Science (Tianjin) Co., Ltd
- Esterase Mutant and Use thereof21 Mar 2024US 2024/0093167 A1Asymchem Life Science (Tianjin) Co., Ltd
Most cited
By later US patents
- Hepatitis C inhibitor tri-peptides134US 6,323,180 B1Boehringer Ingelheim (Canada) Ltd. · 2001
- Hepatitis C inhibitor tri-peptides118US 6,534,523 B1Boehringer Ingelheim (Canada) Ltd. · 2003
- Hepatitis C inhibitor tri-peptides111US 6,420,380 B2Boehringer Ingelheim (Canada) Ltd. · 2002
- Hepatitis C inhibitor tri-peptides110US 6,410,531 B1Boehringer Ingelheim (Canada) Ltd. · 2002
- L-pantolactone-hydrolase and a method for producing D-pantolactone92US 6,998,258 B1BASF SE · 2006