C07D 499/64
By nitrogen atoms
Official title: by nitrogen atoms
C07D499/64 (By nitrogen atoms) appears on 27 US grants and 7 published applications in this corpus.
Search patents in C07D- Granted patents
- 27
- Published applications
- 7
- Assignees
- 20
- Inventors
- 71
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- One-step method for synthesizing amoxicillin from penicillin or salt thereof through enzyme catalysis18 Nov 2025US 12,473,580 B1Xingzhi College Zhejiang Normal University
- Method for separating amoxicillin and phenylacetic acid from reaction solution in one-step enzymatic synthesis of amoxicillin2 Sep 2025US 12,404,534 B1Xingzhi College Zhejiang Normal University
- Cocrystal of piperacillin sodium and sulbactam sodium and preparation method thereof, as well as pharmaceutical compositions containing same and uses thereof22 Nov 2016US 9,499,565 B2Beijing Xintianyu Technology Development Co., Ltd.
- Compounds that inhibit cholinesterase24 Jan 2012US 8,101,782 B2CoLucid Pharmaceuticals, Inc.
- Alpha-aminoacyl-penicillins and cephalosporins29 Mar 1988US 4,734,407 ABayer Aktiengesellschaft
- Method for producing ß-lactam compound17 Sep 2026US 2026/0274862 A1FUJIFILM Corporation
- Mutual Prodrugs of Cromoglicic Acid28 Aug 2025US 2025/0269041 A1Samdolite Pharmaceuticals, Inc.
- Mercaptoacetophenone aminohydrazones, their salts and uses thereof21 Nov 2024US 2024/0383846 A1London Pharmaceuticals and Research Corporation
- Metallo-beta-lactamase inhibitor25 Jul 2024US 2024/0245783 A1National University Corporation Kumamoto University
- Cocrystal of piperacillin sodium and sulbactam sodium and preparation method thereof, as well as pharmaceutical compositions containing same and uses thereof22 Oct 2015US 2015/0299222 A1Beijing Xintianyu Technology Development Co., Ltd.
Most cited
By later US patents
- Ampicillin derivatives substituted by heterocyclic acyl group14US 3,953,428 AYamanouchi Pharmaceutical Co., Ltd. · 1976
- Ureidoacetamido-penicillins14US 3,959,258 ABayer Aktiengesellschaft · 1976
- 7[2(Substituted phenyl)2-(amino)acetamido]cephalosporin derivatives14US 4,162,314 AMerck Patent GmbH · 1979
- Production of amoxicillin13US 3,980,637 ABristol-Myers Company · 1976
- 6-[.alpha.-(.omega.-quanidinoalkanoylamido)acylamido]penicillanic acids12US 3,933,797 APfizer Inc. · 1976