C07D 477/04
By forming the ring or condensed ring systems
Official title: by forming the ring or condensed ring systems
C07D477/04 (By forming the ring or condensed ring systems) appears on 90 US grants and 12 published applications in this corpus.
Search patents in C07D- Granted patents
- 90
- Published applications
- 12
- Assignees
- 30
- Inventors
- 122
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Beta-lactam compounds and methods of use thereof12 May 2026US 12,624,382 B2The University of Hong Kong
- C5-substituted carbapenem antibiotics, compositions containing such compounds, and methods of use in treatment of mycobacterium tuberculosis and non-tubercular mycobacteria1 Feb 2022US 11,234,966 B2Southern Methodist University
- C5-substituted carbapenem antibiotics, compositions containing such compounds, and methods of use in treatment of Mycobacterium tuberculosis and non-tubercular mycobacteria7 Jul 2020US 10,702,501 B2Southern Methodist University
- Polymer containing carboxyl group, preparation method and application thereof, supported catalyst and preparation methods thereof and preparation methods of penem antibiotic intermediate3 Sep 2019US 10,399,071 B2
- Method for preparing meropenem using zinc powder12 Jan 2016US 9,233,963 B2Daewoong Bio Inc.
- Fluorogenic assay for rapid screening of bacterial beta-lactamase activity18 Jul 2024US 2024/0240226 A1The Board of Trustees of the Leland Stanford Junior University
- Beta-lactam compounds and methods of use thereof8 Jul 2021US 2021/0207188 A1The University of Hong Kong
- C5-substituted carbapenem antibiotics, compositions containing such compounds, and methods of use in treatment of mycobacterium tuberculosis and non-tubercular mycobacteria10 Sep 2020US 2020/0281894 A1Southern Methodist University
- C5-substituted carbapenem antibiotics, compositions containing such compounds, and methods of use in treatment of mycobacterium tuberculosis and non-tubercular mycobacteria13 Dec 2018US 2018/0353476 A1Southern Methodist University
- Polymer containing carboxyl group, preparation method and application thereof, supported catalyst and preparation methods thereof and preparation methods of penem antibiotic intermediate18 May 2017US 2017/0136450 A1Asymchem Laboratories (Fuxin) Co., Ltd.
Most cited
By later US patents
- Process for the preparation of 1-carbapenems and intermediates via trithioorthoacetates24US 4,309,346 AMerck & Co., Inc. · 1982
- Alkylation process for preparing azetidinone compound and starting compound therefor24US 5,550,229 ATanabe Seiyaku Co., Ltd. · 1996
- Azetidinone compound and process for preparation thereof24US 5,847,115 ATanabe Seiyaku Co., Ltd. · 1998
- Synthesis of thienamycin via trans-3-carboxymethylene-4-carboxy-5-methyl-.DELTA..sup.2 -isoxazoline23US 4,269,772 AMerck & Co., Inc. · 1981
- Synthesis of thienamycin via (3SR, 4RS)-3-((RS)-1-acyloxyethyl)-2-oxo-4-azetidineacetate23US 4,287,123 AMerck & Co., Inc. · 1981