C07D 205/095
And with a nitrogen atom directly attached in position 3
Official title: and with a nitrogen atom directly attached in position 3
C07D205/095 (And with a nitrogen atom directly attached in position 3) appears on 173 US grants and 7 published applications in this corpus.
Search patents in C07D- Granted patents
- 173
- Published applications
- 7
- Assignees
- 39
- Inventors
- 186
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 16 | 0 |
| 1980 | 7 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 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 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods of synthesizing aztreonam derivatives31 Jan 2023US 11,565,999 B2Arixa Pharmaceuticals, Inc.
- Compounds and method for preparing 3-methylcephams21 Jun 2005US 6,908,996 B2Imperial College of London
- Intermediates for and synthesis of 3-methylene cephams27 Jan 2004US 6,683,176 B2
- Process for preparing .beta.-lactam derivatives21 Nov 2000US 6,150,519 AOtsuka Kagaku Kabushiki Kaisha
- Process for preparing .beta.-lactam halide compound4 Jan 2000US 6,011,151 AOtsuka Kagaku Kabushiki Kaisha
- Methods of synthesizing aztreonam derivatives29 Oct 2020US 2020/0339507 A1Arixa Pharmaceuticals, Inc.
- Prodrug derivatives of acids using alcohols with homotopic hydroxy groups and methods for their preparation and use9 Sep 2010US 2010/0228015 A1
- Prodrug derivatives of acids using alcohols with homotopic hydroxy groups and methods for their preparation and use1 Nov 2007US 2007/0254920 A1Aerie Pharmaceuticals, Inc.
- Process and ester derivatives useful for preparation of cephalosporins30 Dec 2004US 2004/0267008 A1Pfizer Inc.
- Novel compounds and method for preparing 3-methylcephams3 Jun 2004US 2004/0106790 A1Imperial College of London
Most cited
By later US patents
- .beta.-lactam and cephem compounds and processes for their production57US 5,693,792 AOtsuga Kagaku Kabushiki Kaisha · 1997
- 6-(1'-Hydroxyethyl)-2-substituted-pen-2-em-3-carboxylic acid37US 4,260,618 AMerck & Co., Inc. · 1981
- Azetidinone compounds and processes for preparation thereof36US 4,576,753 AFujisawa Pharmaceutical Co., Ltd. · 1986
- Preparation of .beta.-lactams and intermediates therefor35US 4,260,743 AGist-Brocades N. V. · 1981
- Method for cyclization to give cephem ring25US 4,066,641 A1978