C12P 33/02
Dehydrogenating
Official title: Dehydrogenating; Dehydroxylating
C12P33/02 (Dehydrogenating) appears on 49 US grants and 42 published applications in this corpus.
Search patents in C12P- Granted patents
- 49
- Published applications
- 42
- Assignees
- 30
- Inventors
- 137
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 5 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 0 | 3 |
| 2019 | 5 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 3 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biotechnological optimization of microorganisms for the 1,2-dehydrogenation of steroids19 May 2026US 12,630,853 B2Euroapi France
- Production method of recombinant Escherichia coli and high-purity ursodeoxycholic acid12 May 2026US 12,624,335 B2Xi'an Yueda Biotechnology Co., Ltd.
- Fusion polypeptides for production of 7-dehydrocholesterol and methods of use thereof25 Mar 2025US 12,258,588 B2Hangzhou Enhe Biotechnology Co., Ltd.
- Optimization of C-5 sterol desaturation25 Jun 2024US 12,018,309 B2Dsm IP Assets B.V.
- 7β-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acid14 May 2024US 11,981,935 B2PharmaZell GmbH
- High Yielding Enantioselective Enzymatic Process for Preparing Ursodeoxycholic Acid15 Jan 2026US 2026/0015644 A1Symbio Generrics India Private Limited
- 7beta-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acid16 Oct 2025US 2025/0320467 A1PharmaZell GmbH
- High purity non-animal derived tudca12 Jun 2025US 2025/0188113 A1Sandhill One, LLC
- Fusion polypeptides for production of 7-dehydrocholesterol and methods of use thereof6 Feb 2025US 2025/0043252 A1Hangzhou Enhe Biotechnology Co., Ltd.
- Novel 7beta-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acid18 Jul 2024US 2024/0240158 A1PharmaZell GmbH
Most cited
By later US patents
- Immobilized cells for preparing phenylalanine39US 4,600,692 APurification Engineering, Inc. · 1986
- Immobilized microbial cell composition for making L-aspartic acid19US 4,436,813 APurification Engineering, Inc. · 1984
- 1,2-dehydrogenation of steroidal 21-esters with Arthrobacter simplex or Bacterium cyclooxydans16US 5,225,335 AThe Upjohn Company · 1993
- Process for preparing 1,2-dehydro steroids11US 4,524,134 AThe Upjohn Company · 1985
- Immobilization of cells with a polyazetidine prepolymer9US 4,732,851 APurification Engineering, Inc. · 1988