C07D 463/16
Nitrogen atoms
C07D463/16 (Nitrogen atoms) appears on 111 US grants and 12 published applications in this corpus.
Search patents in C07D- Granted patents
- 111
- Published applications
- 12
- Assignees
- 30
- Inventors
- 143
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 16 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- β-lactam-cannabinoid conjugate molecules25 Mar 2025US 12,257,307 B2Diverse Biotech, Inc.
- Intermediates in the synthesis of C3-substituted cephalosporins12 Dec 2023US 11,840,544 B2Norbrook Laboratories Limited
- Antibacterial sideromycins19 Oct 2021US 11,149,046 B2Hsiri Therapeutics, Inc.
- Fluorogenic substrates for BETA-lactamase gene expression23 Sep 2008US 7,427,680 B2The Regents of the University of California
- Beta-lactamase substrates having phenolic ethers8 Jul 2008US 7,396,926 B2The Regents of the University of California
- Beta-Lactam-Cannabinoid Conjugate Molecules10 Jul 2025US 2025/0222118 A1Diverse Biotech, Inc.
- Beta-Lactam-Cannabinoid Conjugate Molecules18 Aug 2022US 2022/0257778 A1Diverse Biotech, Inc.
- Intermediates in the synthesis of c3-substituted cephalosporins26 Aug 2021US 2021/0261571 A1Norbrook Laboratories Limited
- Antibacterial sideromycins23 May 2019US 2019/0153010 A1Hsiri Therapeutics, Inc.
- Carbacephem beta-lactam antibiotics15 Sep 2011US 2011/0224186 A1Achaogen, Inc.
Most cited
By later US patents
- Cephem derivative162US 4,278,793 AHoechst Aktiengesellschaft · 1981
- Antimicrobial quinolonyl lactam esters34US 5,180,719 ANorwich Eaton Pharmaceuticals, Inc. · 1993
- 3-thiazolylthio carbacephem antibacterial agents25US 5,077,287 AEli Lilly and Company · 1991
- Antimicrobial lactam-quinolones21US 5,656,623 AThe Procter & Gamble Company · 1997
- Process and intermediates for .beta.-lactam antibiotics19US 4,665,171 AHarvard University · 1987