C07D 477/22
Nitrogen atoms
C07D477/22 (Nitrogen atoms) appears on 10 US grants and 1 published applications in this corpus.
Search patents in C07D- Granted patents
- 10
- Published applications
- 1
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 18 Aug 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids18 Aug 1992US 5,140,030 AMerck & Co., Inc.
- 2-aza substituted-1-carbadethiapen-2-em-3-carboxylic acids9 Jan 1990US 4,892,869 AMerck & Co., Inc.
- 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids23 May 1989US 4,833,167 AMerck & Co., Inc.
- 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids8 Nov 1988US 4,783,453 AMerck & Co., Inc.
- 2-aza-substituted 1-carbadethiapen-2-em-3 carboxylic acids1 Nov 1988US 4,782,051 AMerck & Co., Inc.
Most cited
By later US patents
- Process for the synthesis of penems and carbapenems16US 4,347,183 ASchering Corporation · 1982
- 6-(1'-Hydroxyethyl)-3-substituted amino-1-azabicyclo-3.2.0!hept-2-en-7-one-2-carboxylic acid11US 4,424,230 AMerck & Co., Inc. · 1984
- Aza penem compounds9US 4,431,658 ASchering Corporation · 1984
- 6- And 6,6-disubstituted-3-substituted amino-1-azabicyclo-[3.2.0]hept-2-en-7-one-2-carboxylic acid6US 4,530,841 AMerck & Co., Inc. · 1985
- 2-aza-substituted 1-carbadethiapen-2-em-3-carboxylic acids5US 4,833,167 AMerck & Co., Inc. · 1989