C12P 35/02
Preparation of compounds having a 5-thia-1-azabicyclo [4.2.0] octane ring system: by desacylation
Official title: by desacylation of the substituent in the 7 position
C12P35/02 (Preparation of compounds having a 5-thia-1-azabicyclo [4.2.0] octane ring system: by desacylation) appears on 45 US grants and 13 published applications in this corpus.
Search patents in C12P- Granted patents
- 45
- Published applications
- 13
- Assignees
- 34
- Inventors
- 167
- Latest grant
- 3 Nov 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
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| 1988 | 1 | 0 |
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| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Deacetoxycephalosporin C hydroxylase mutants, DNA encoding the mutants, method for utilizing the mutants and application thereof3 Nov 2020US 10,822,631 B2Bioright Worldwide Company Limited
- Stable biocatalysts of penicillin acylase as gel aggregates and the process of manufacture thereof17 Jun 2014US 8,753,856 B2Fermenta Biotech Limited
- Process for producing 7-methoxy-3-desacetylcefalotin29 Nov 2011US 8,067,195 B2ACS DOBFAR S.p.A.
- Two-step enzyme method for preparing 7-aminocephalosporanic acid23 Aug 2011US 8,003,358 B2Bioright Worldwide Company Limited
- Cephalosporin C acylase mutant and method for preparing 7-ACA using same22 Sep 2009US 7,592,168 B2Sandoz Ltd.
- Deacetoxycephalosporin C Hydroxylase Mutants, DNA Encoding the Mutants, Method for Utilizing the Mutants and Application Thereof31 Oct 2019US 2019/0330673 A1Bioright Worldwide Company Limited
- Stable biocatalysts of penicillin acylase as gel aggregates and the process of manufacture thereof24 Nov 2011US 2011/0287509 A1Fermenta Biotech Limited
- Two-Step Enzyme Method for Preparing 7-Aminocephalosporanic Acid6 May 2010US 2010/0112633 A1Bioright Worldwide Company Limited
- Process for producing 7-methoxy-3-desacetylcefalotin9 Apr 2009US 2009/0093032 A1ACS DOBFAR S.p.A.
- Cephalosporin C Acylase Mutant and Method for Preparing 7-ACA Using Same6 Sep 2007US 2007/0207519 A1Sandoz Ltd.
Most cited
By later US patents
- Mutated penicillin G acylase genes42US 5,891,703 AGist-Hrocades · 1999
- Mutated penicillin G acylase genes38US 6,033,823 A2000
- Immobilization of biological material with an acrylonitrile polymer36US 4,371,612 AToyo Jozo Kabushiki Kaisha · 1983
- Pressure-driven enzyme-coupled membranes21US 4,033,817 A1977
- Process for preparing a 7-aminocephalosporanic acid compound19US 4,774,179 AAsahi Kasei Kogyo Kabushiki Kaisha · 1988