C07D 501/04
From compounds already containing the ring or condensed ring systems
Official title: from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
C07D501/04 (From compounds already containing the ring or condensed ring systems) appears on 156 US grants and 37 published applications in this corpus.
Search patents in C07D- Granted patents
- 156
- Published applications
- 37
- Assignees
- 57
- Inventors
- 257
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 21 | 0 |
| 1978 | 12 | 0 |
| 1979 | 6 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 14 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 5 | 4 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthesis of cephalosporin compounds13 Jul 2021US 11,059,835 B2Merck Sharp & Dohme Corp.
- Intermediates in the synthesis of cephalosporin compounds9 Mar 2021US 10,941,161 B2Merck Sharp & Dohme Corp.
- Cephem compounds, their production and use14 Jul 2020US RE48,097 E1Naeja-Rgm Pharmaceuticals Ulc
- Synthesis of cephalosporin compounds26 May 2020US 10,662,202 B2Merck Sharp & Dohm Corp.
- Process for preparing ceftolozane from 7-aminocephalosporanic acid (7-ACA)14 Jan 2020US 10,532,058 B2Sandoz Ltd.
- Method for producing ß-lactam compound17 Sep 2026US 2026/0274862 A1FUJIFILM Corporation
- Synthesis of cephalosporin compounds10 Dec 2020US 2020/0385404 A1Merck Sharp & Dohme Corp.
- Synthesis of cephalosporin compounds29 Aug 2019US 2019/0263831 A1Merck Sharp & Dohme Corp.
- Intermediates in the synthesis of cephalosporin compounds25 Jul 2019US 2019/0225624 A1Merck Sharp & Dohme Corp.
- Synthesis process of precursors of derivatives of beta-lactam nuclei and precursors and derivatives thereof20 Dec 2018US 2018/0362544 A1
Most cited
By later US patents
- 3-Unsaturated alkyl cephems from 3-triflyl cephems26US 4,870,168 ABristol-Myers Company · 1989
- 3-Thio-substituted cephalosporin antibiotics23US 3,992,377 AEli Lilly and Company · 1976
- 7.beta.-Amino-3-thio-3-cephem-4-carboxylic acid compounds, and antibacterial compositions and methods using them21US 4,256,739 ACiba-Geigy Corporation · 1981
- Method for preparation of .beta.-lactam compound18US 4,246,405 AFujisawa Pharmaceutical Co., Ltd. · 1981
- Cephalosporin and pharmaceutical preparations containing the same16US 3,935,204 AAstra Lakemedel Aktiebolag · 1976