C12P 41/00
Processes using enzymes or microorganisms to separate optical isomers from a racemic
Official title: Processes using enzymes or microorganisms to separate optical isomers from a racemic mixture
C12P41/00 (Processes using enzymes or microorganisms to separate optical isomers from a racemic) appears on 1,120 US grants and 734 published applications in this corpus.
Search patents in C12P- Granted patents
- 1,120
- Published applications
- 734
- Assignees
- 472
- Inventors
- 2,463
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 19 | 0 |
| 1990 | 23 | 0 |
| 1991 | 32 | 0 |
| 1992 | 31 | 0 |
| 1993 | 63 | 0 |
| 1994 | 48 | 0 |
| 1995 | 36 | 0 |
| 1996 | 40 | 0 |
| 1997 | 34 | 0 |
| 1998 | 55 | 0 |
| 1999 | 37 | 0 |
| 2000 | 35 | 0 |
| 2001 | 49 | 16 |
| 2002 | 55 | 45 |
| 2003 | 33 | 50 |
| 2004 | 30 | 56 |
| 2005 | 20 | 32 |
| 2006 | 38 | 54 |
| 2007 | 32 | 40 |
| 2008 | 29 | 31 |
| 2009 | 15 | 39 |
| 2010 | 28 | 47 |
| 2011 | 28 | 22 |
| 2012 | 28 | 21 |
| 2013 | 21 | 34 |
| 2014 | 15 | 22 |
| 2015 | 28 | 21 |
| 2016 | 25 | 18 |
| 2017 | 18 | 16 |
| 2018 | 16 | 23 |
| 2019 | 19 | 17 |
| 2020 | 17 | 20 |
| 2021 | 14 | 19 |
| 2022 | 10 | 22 |
| 2023 | 10 | 16 |
| 2024 | 13 | 27 |
| 2025 | 23 | 16 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C12P 41/003Processes using enzymes or microorganisms to separate optical isomers from a racemic503
- C12P 41/006Processes using enzymes or microorganisms to separate optical isomers from a racemic311
- C12P 41/002Processes using enzymes or microorganisms to separate optical isomers from a racemic179
- C12P 41/001Processes using enzymes or microorganisms to separate optical isomers from a racemic69
Recent patents
- Methods and systems for lactic acid production and polylactic acid recycling16 Jun 2026US 12,655,455 B2TripleW Ltd.
- Polypeptide having esterification activity for L-menthol and/or hydrolyzing activity for L-menthol ester19 May 2026US 12,630,855 B2Amano Enzyme Inc.
- Fluoroacetate dehalogenase mutant and application thereof13 Jan 2026US 12,522,850 B2Abiochem Biotechnology (Group) Co., Ltd.
- Method for preparing L-glufosinate ammonium by biological enzymatic de-racemization, glufosinate ammonium dehydrogenase mutant and use thereof13 Jan 2026US 12,522,852 B2Zhejiang University of Technology
- Esterase mutant and use thereof6 Jan 2026US 12,516,303 B2Asymchem Life Science (Tianjin) Co., Ltd
- Novel Esterase Mutants And Uses Thereof As Stereoselective Catalyst24 Sep 2026US 2026/0286323 A1Endura S. P. A.
- Methods and systems for lactic acid production and polylactic acid recycling24 Sep 2026US 2026/0286401 A1TripleW Ltd.
- Lipase with improved stereoselectivity and lipase-based chiral resolution methods3 Sep 2026US 2026/0258381 A1
- Process for the reduction of aromatic imines with novel imine reductases (ireds)21 May 2026US 2026/0139283 A1
- Methods for making l-glufosinate21 May 2026US 2026/0139284 A1BASF SE
Most cited
By later US patents
- Delivery of multiple doses of medications377US 5,837,284 A1998
- Method for the enantioselective reduction of 3,5-dioxocarboxylic acids, their salts and their esters186US 6,399,339 B1Forschungszentrum Julich GmbH · 2002
- Plant viral vectors having heterologous subgenomic promoters for systemic expression of foreign genes185US 5,316,931 ABiosource Genetics Corporation · 1994
- Phosphinothricin-resistance gene, and its use176US 5,276,268 AHoechst Aktiengesellschaft · 1994
- Phosphinothricin-resistance gene, and its use142US 5,879,903 AHoechst Aktiengesellschaft · 1999