C07D 501/08
By forming the ring or condensed ring systems
Official title: by forming the ring or condensed ring systems (by microbiological processes C12P35/00)
C07D501/08 (By forming the ring or condensed ring systems) appears on 32 US grants and 6 published applications in this corpus.
Search patents in C07D- Granted patents
- 32
- Published applications
- 6
- Assignees
- 18
- Inventors
- 64
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Intermediates in the synthesis of C3-substituted cephalosporins12 Dec 2023US 11,840,544 B2Norbrook Laboratories Limited
- Process for preparing ceftaroline fosamil5 Jul 2016US 9,382,278 B2Sandoz Ltd.
- Process for preparing ceftaroline fosamil27 Oct 2015US 9,169,239 B2Sandoz Ltd.
- Process for producing 3-chloromethyl-3-cephem derivatives24 Mar 2009US 7,507,812 B2Nippon Chemical Industrial Co., Ltd.
- Process for preparing crystalline 3-chloromethyl-3-cephem derivatives2 Jan 2007US 7,157,574 B2Nippon Chemical Industrial Co., Ltd.
- Fluorogenic assay for rapid screening of bacterial beta-lactamase activity18 Jul 2024US 2024/0240226 A1The Board of Trustees of the Leland Stanford Junior University
- Intermediates in the synthesis of c3-substituted cephalosporins26 Aug 2021US 2021/0261571 A1Norbrook Laboratories Limited
- Novel process for preparing ceftaroline fosamil14 Jan 2016US 2016/0009745 A1Sandoz Ltd.
- Novel process for preparing ceftaroline fosamil12 Mar 2015US 2015/0073138 A1Sandoz Ltd.
- Process for producing 3-chloromethyl-3-cephem derivative1 Feb 2007US 2007/0027313 A1Nippon Chemical Industrial Co., Ltd.
Most cited
By later US patents
- Method for cyclization to give cephem ring25US 4,066,641 A1978
- Process for the manufacture of 7.beta.-amino-3-cephem-3-ol-4 carboxylic acid compounds21US 4,147,864 ACiba-Geigy Corporation · 1979
- 8-oxo-5-thia-1-azabicyclo(4,2,0)oct-2-ene compounds17US 4,735,937 AFujisawa Pharmaceutical Co., Ltd. · 1988
- 3-Halo-cephalosporins9US 3,963,712 AMeiji Seika Kaisha, Ltd. · 1976
- Preparation of 7-substituted amino-desacetoxycephalosporanic acid compounds8US 4,003,894 AGist-Brocades N. V. · 1977