C12P 35/06
Cephalosporin c
Official title: Cephalosporin C; Derivatives thereof
C12P35/06 (Cephalosporin c) appears on 48 US grants and 15 published applications in this corpus.
Search patents in C12P- Granted patents
- 48
- Published applications
- 15
- Assignees
- 29
- Inventors
- 157
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Polypeptide having cephalosporin C acylase activity and use thereof2 Jul 2024US 12,024,729 B2Amicogen, Inc.
- 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
- Xylose isomerase signature sequences21 Aug 2018US 10,053,684 B2BP Corporation North America Inc.
- Xylose isomerases and their uses29 May 2018US 9,982,249 B2BP Corporation North America Inc.
- Mutated cephalosporin hydroxylase and its application in deacetylcephalosporanic acid synthesis2 Aug 2016US 9,404,139 B2Orchid Chemicals & Pharmaceuticals Limited
- Polypeptide having cephalosporin c acylase activity and use thereof24 Aug 2023US 2023/0265409 A1Amicogen, Inc.
- Deacetoxycephalosporin C Hydroxylase Mutants, DNA Encoding the Mutants, Method for Utilizing the Mutants and Application Thereof31 Oct 2019US 2019/0330673 A1Bioright Worldwide Company Limited
- Xylose isomerases and their uses21 Jan 2016US 2016/0017310 A1BP Corporation North America Inc.
- Mutated cephalosporin hydroxylase and its application in deacetylcephalosporanic acid synthesis27 Aug 2015US 2015/0240282 A1Orchid Chemicals & Pharmaceuticals Limited
- Xylose Isomerases and Their Uses23 Jul 2015US 2015/0203835 A1BP Corporation North America Inc.
Most cited
By later US patents
- 7-formylaminocephalosporin compounds16US 4,764,606 AYamanouchi Pharmaceutical Co., Ltd. · 1988
- Cell-free synthesis of deacetoxycephalosporin C15US 4,307,192 AMassachusetts Institute of Technology · 1981
- Isolation of cyclase, epimerase and a ring expansion enzyme for producing unnatural cephalosporins15US 4,510,246 AQueen's University at Kingston · 1985
- Stable epimerase reagent, cyclase reagent and ring expansion reagent for cell-free production of cephalosporins13US 4,536,476 AQueen's University at Kingston · 1985
- Xylose isomerases and their uses12US 9,090,889 B2BP Corporation North America Inc. · 2015