C12N 9/84
Penicillin amidase
Official title: Penicillin amidase {(3.5.1.11)}
C12N9/84 (Penicillin amidase) appears on 65 US grants and 60 published applications in this corpus.
Search patents in C12N- Granted patents
- 65
- Published applications
- 60
- Assignees
- 36
- Inventors
- 171
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 4 |
| 2003 | 2 | 4 |
| 2004 | 1 | 9 |
| 2005 | 3 | 3 |
| 2006 | 0 | 4 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 2 |
| 2017 | 0 | 3 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 4 | 5 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Penicillin-G acylases25 Nov 2025US 12,480,111 B2Codexis, Inc.
- One-step method for synthesizing amoxicillin from penicillin or salt thereof through enzyme catalysis18 Nov 2025US 12,473,580 B1Xingzhi College Zhejiang Normal University
- Method for separating amoxicillin and phenylacetic acid from reaction solution in one-step enzymatic synthesis of amoxicillin2 Sep 2025US 12,404,534 B1Xingzhi College Zhejiang Normal University
- Penicillin-G acylases5 Aug 2025US 12,378,541 B2Codexis, Inc.
- Penicillin-G acylases10 Sep 2024US 12,084,697 B2Codexis, Inc.
- Biosynthesis of beta-lactam antibiotics24 Sep 2026US 2026/0286334 A1
- Mutant penicillin acylase and uses thereof30 Apr 2026US 2026/0117216 A1Xingzhi College Zhejiang Normal University
- Penicillin-g acylases13 Nov 2025US 2025/0346882 A1Codexis, Inc.
- Penicillin-g acylases30 Jan 2025US 2025/0034543 A1Codexis, Inc.
- Penicillin-g acylases12 Dec 2024US 2024/0409916 A1Codexis, Inc.
Most cited
By later US patents
- Plant viral vectors having heterologous subgenomic promoters for systemic expression of foreign genes185US 5,316,931 ABiosource Genetics Corporation · 1994
- Recombinant plant viral nucleic acids105US 5,589,367 ABiosource Technologies, Inc. · 1996
- Stabilized protein crystals formulations containing them and methods of making them90US 6,541,606 B2Altus Biologics Inc. · 2003
- Recombinant plant viral nucleic acids86US 5,866,785 ABiosource Technologies, Inc. · 1999
- Recombinant plant viral nucleic acids73US 5,889,190 ABiosource Technologies, Inc. · 1999