C12P 41/001
Processes using enzymes or microorganisms to separate optical isomers from a racemic
Official title: {by metabolizing one of the enantiomers}
C12P41/001 (Processes using enzymes or microorganisms to separate optical isomers from a racemic) appears on 69 US grants and 36 published applications in this corpus.
Search patents in C12P- Granted patents
- 69
- Published applications
- 36
- Assignees
- 50
- Inventors
- 183
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 4 |
| 2003 | 5 | 4 |
| 2004 | 3 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 3 | 1 |
| 2008 | 0 | 3 |
| 2009 | 3 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 4 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and systems for lactic acid production and polylactic acid recycling16 Jun 2026US 12,655,455 B2TripleW Ltd.
- Method for enzymatic resolution of chiral substances3 Jun 2025US 12,319,952 B2South China University of Technology
- Solid forms of a thienopyrimidinedione ACC inhibitor and methods for production thereof27 Feb 2024US 11,912,718 B2Gilead Apollo, LLC
- Synthetic methods30 Nov 2021US 11,186,558 B2Glaxosmithkline Intellectual Property (No.2) Limited
- Solid forms for a thienopyrimidinedione ACC inhibitor and methods for production thereof31 Aug 2021US 11,104,687 B2Gilead Apollo, LLC
- Methods and systems for lactic acid production and polylactic acid recycling24 Sep 2026US 2026/0286401 A1TripleW Ltd.
- Methods and systems for lactic acid production and polylactic acid recycling6 Apr 2023US 2023/0106737 A1TripleW Ltd.
- Method for resolving optical isomer by means of electrodialysis technique19 May 2022US 2022/0154240 A1Guang An Mojia Biotechnology Co., Ltd.
- Solid forms of a thienopyrimidinedione acc inhibitor and methods for production thereof3 Mar 2022US 2022/0064181 A1Gilead Apollo, LLC
- Synthetic methods24 Feb 2022US 2022/0055999 A1Glaxosmithkline Intellectual Property (No.2) Limited
Most cited
By later US patents
- Process for producing optically active 1,3-butanediol by reduction of 4-hydroxy-2-butanone76US 5,413,922 ADaicel Chemical Industries, Ltd. · 1995
- 1,3-oxathiolane nucleoside compounds and compositions53US 5,538,975 ABioChem Pharma Inc. · 1996
- 1,3-oxathiolane nucleoside analogues and methods for using same42US 5,618,820 ABioChem Pharma Inc. · 1997
- Method for improving optical purity of an amine compound33US 5,965,432 ASumitomo Chemical Company, Limited · 1999
- Process for producing optically active 1,3-butanediol24US 5,512,465 ADaicel Chemical Industries, Ltd. · 1996