C07D 501/16
With a double bond between positions 2 and 3
Official title: with a double bond between positions 2 and 3
C07D501/16 (With a double bond between positions 2 and 3) appears on 923 US grants and 212 published applications in this corpus.
Search patents in C07D- Granted patents
- 923
- Published applications
- 212
- Assignees
- 211
- Inventors
- 1,272
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 98 | 0 |
| 1977 | 94 | 0 |
| 1978 | 62 | 0 |
| 1979 | 48 | 0 |
| 1980 | 35 | 0 |
| 1981 | 49 | 0 |
| 1982 | 45 | 0 |
| 1983 | 42 | 0 |
| 1984 | 43 | 0 |
| 1985 | 24 | 0 |
| 1986 | 27 | 0 |
| 1987 | 30 | 0 |
| 1988 | 34 | 0 |
| 1989 | 29 | 0 |
| 1990 | 40 | 0 |
| 1991 | 34 | 0 |
| 1992 | 19 | 0 |
| 1993 | 15 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 4 |
| 2004 | 1 | 3 |
| 2005 | 2 | 6 |
| 2006 | 1 | 13 |
| 2007 | 3 | 12 |
| 2008 | 4 | 13 |
| 2009 | 8 | 9 |
| 2010 | 9 | 8 |
| 2011 | 4 | 11 |
| 2012 | 8 | 10 |
| 2013 | 7 | 11 |
| 2014 | 11 | 13 |
| 2015 | 12 | 16 |
| 2016 | 11 | 12 |
| 2017 | 12 | 15 |
| 2018 | 8 | 14 |
| 2019 | 9 | 6 |
| 2020 | 8 | 8 |
| 2021 | 8 | 2 |
| 2022 | 0 | 7 |
| 2023 | 3 | 4 |
| 2024 | 0 | 9 |
| 2025 | 6 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07D 501/207-acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived829
- C07D 501/187-aminocephalosporanic or substituted 7-aminocephalosporanic acids108
- C07D 501/59With hetero atoms directly attached in position 344
- C07D 501/58With a nitrogen atom, which is a member of a hetero ring12
Recent patents
- Cephalosporin antibacterial compound and preparation method therefor11 Aug 2026US 12,703,709 B2Jiangsu Hengrui Pharmaceuticals Co., Ltd.
- Antibiotic conjugates10 Feb 2026US 12,544,384 B2University of Notre Dame du Lac
- Sulfur (VI) fluoride compounds and methods for the preparation thereof19 Aug 2025US 12,390,424 B2The Scripps Research Institute
- Siderophore cephalosporin conjugates and uses thereof29 Jul 2025US 12,371,441 B2Ariva Med GmbH
- Refining method of midbody of latamoxef sodium1 Jul 2025US 12,344,622 B2Hainan Hailing Chemipharma Corporation Ltd.
- Quorum-sensing inhibitors and/or postbiotic metabolites and related methods7 May 2026US 2026/0124268 A1MicroSintesis Inc.
- Compositions and methods for adoptive cell therapy for cancer16 Apr 2026US 2026/0103696 A1Memorial Sloan Kettering Cancer Center
- Platform drug delivery system utilizing crystal engineering and theanine dissolution17 Jul 2025US 2025/0228778 A1Theaprin Pharmaceuticals Inc.
- Beta-Lactam-Cannabinoid Conjugate Molecules10 Jul 2025US 2025/0222118 A1Diverse Biotech, Inc.
- Mercaptoacetophenone aminohydrazones, their salts and uses thereof21 Nov 2024US 2024/0383846 A1London Pharmaceuticals and Research Corporation
Most cited
By later US patents
- Cytotoxic compounds and conjugates121US 7,517,903 B2Medarex, Inc. · 2009
- Fluorogenic substrates for .beta.-lactamase and methods of use85US 5,741,657 AThe Regents of the University of California · 1998
- 3-Acetoxymethyl-7-(iminoacetamido)-cephalosporanic acid derivatives77US 4,152,432 ARoussel Uclaf · 1979
- Syn 7-oxoimino substituted derivatives of cephalosporanic acid67US 4,166,115 AFujisawa Pharmaceutical Co., Ltd. · 1979
- Cephem compounds63US 4,833,134 ATakeda Chemical Industries, Ltd. · 1989