C07D 205/09
With a sulfur atom directly attached in position 4
Official title: with a sulfur atom directly attached in position 4
C07D205/09 (With a sulfur atom directly attached in position 4) appears on 283 US grants and 8 published applications in this corpus.
Search patents in C07D- Granted patents
- 283
- Published applications
- 8
- Assignees
- 56
- Inventors
- 285
- Latest grant
- 31 Jan 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 14 | 0 |
| 1978 | 11 | 0 |
| 1979 | 19 | 0 |
| 1980 | 11 | 0 |
| 1981 | 22 | 0 |
| 1982 | 13 | 0 |
| 1983 | 14 | 0 |
| 1984 | 19 | 0 |
| 1985 | 24 | 0 |
| 1986 | 18 | 0 |
| 1987 | 14 | 0 |
| 1988 | 16 | 0 |
| 1989 | 13 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 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 | 2 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
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
- Azetidinone derivatives for the treatment of HCMV infections29 May 2001US 6,239,125 B1Boehringer Ingelheim (Canada) Ltd.
- Process for preparing beta lactam compound6 Mar 2001US 6,197,185 B1Otsuka Kagaku Kabushiki Kaisha
- Novel compounds24 Dec 2020US 2020/0399242 A1Inflazome Limited
- 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.
Most cited
By later US patents
- .beta.-Lactam antibacterial agents, their use in pharmaceutical compositions, and intermediates136US 4,282,236 ABeecham Group Limited · 1981
- Substituted azetidinones as anti-inflammatory and antidegenerative agents73US 4,680,391 AMerck & Co., Inc. · 1987
- .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