C07D 501/22
With radicals containing only hydrogen and carbon atoms, attached in position 3
Official title: with radicals containing only hydrogen and carbon atoms, attached in position 3
C07D501/22 (With radicals containing only hydrogen and carbon atoms, attached in position 3) appears on 70 US grants and 44 published applications in this corpus.
Search patents in C07D- Granted patents
- 70
- Published applications
- 44
- Assignees
- 34
- Inventors
- 140
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 3 |
| 2006 | 0 | 8 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 4 |
| 2011 | 0 | 3 |
| 2012 | 3 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 4 |
| 2017 | 4 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 3 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Platform drug delivery system utilizing crystal engineering and theanine dissolution8 Apr 2025US 12,268,783 B2Theaprin Pharmaceuticals Inc.
- High penetration compositions and their applications3 Jan 2023US 11,541,029 B2Techfields Pharma Co., Ltd.
- Broad spectrum beta-lactamase inhibitors26 Mar 2019US 10,239,890 B2Gladius Pharmaceuticals Corporation
- Broad spectrum beta-lactamase inhibitors19 Jun 2018US 10,000,509 B2Gladius Pharmaceuticals Corporation
- Broad spectrum beta-lactamase inhibitors9 Jan 2018US 9,862,729 B2Gladius Pharmaceuticals Corporation
- Platform drug delivery system utilizing crystal engineering and theanine dissolution17 Jul 2025US 2025/0228778 A1Theaprin Pharmaceuticals Inc.
- Mercaptoacetophenone aminohydrazones, their salts and uses thereof21 Nov 2024US 2024/0383846 A1London Pharmaceuticals and Research Corporation
- Metallo-ß-lactamase inhibitors10 Oct 2024US 2024/0335453 A1
- Crystalline forms of ceftibuten3 Oct 2024US 2024/0327426 A1Qpex Biopharma, Inc.
- High penetration compositions and their applications27 Jul 2023US 2023/0233516 A1Techfields Pharma Co., Ltd.
Most cited
By later US patents
- L-Threonine derivatives of high therapeutic index33US 7,589,233 B2Signature R&D Holdings, LLC · 2009
- 7-Substituted-3-vinyl-3-cephem compounds and processes for production of the same31US 4,559,334 AFujisawa Pharmaceutical Co., Ltd. · 1985
- 3-Unsaturated alkyl cephems from 3-triflyl cephems26US 4,870,168 ABristol-Myers Company · 1989
- Substituted vinyl cephalosporins24US 4,520,022 ABristol-Myers Company · 1985
- Compounds with high therapeutic index23US 8,173,840 B2Signature R&D Holdings, LLC · 2012