A61K 31/665
Having oxygen as a ring hetero atom
Official title: having oxygen as a ring hetero atom, e.g. fosfomycin
A61K31/665 (Having oxygen as a ring hetero atom) appears on 326 US grants and 507 published applications in this corpus.
Search patents in A61K- Granted patents
- 326
- Published applications
- 507
- Assignees
- 282
- Inventors
- 1,055
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 3 |
| 2002 | 9 | 9 |
| 2003 | 5 | 13 |
| 2004 | 2 | 12 |
| 2005 | 5 | 13 |
| 2006 | 1 | 15 |
| 2007 | 5 | 12 |
| 2008 | 2 | 7 |
| 2009 | 4 | 11 |
| 2010 | 6 | 17 |
| 2011 | 9 | 16 |
| 2012 | 3 | 17 |
| 2013 | 16 | 29 |
| 2014 | 19 | 26 |
| 2015 | 12 | 24 |
| 2016 | 19 | 26 |
| 2017 | 8 | 33 |
| 2018 | 26 | 31 |
| 2019 | 14 | 26 |
| 2020 | 18 | 30 |
| 2021 | 16 | 25 |
| 2022 | 13 | 21 |
| 2023 | 10 | 23 |
| 2024 | 9 | 28 |
| 2025 | 13 | 24 |
| 2026 | 5 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fosfomycin dosing regimens11 Aug 2026US 12,702,676 B2Meitheal Pharmaceuticals, Inc.
- Lignan derivative, preparation method therefor and use thereof28 Jul 2026US 12,692,283 B2Shanghai Institute of Materia Medica Chinese Academy of Science
- Aerosolized formulations of HIV protease inhibitors for the treatment of airway reflux14 Jul 2026US 12,678,453 B2The Medical College of Wisconsin, Inc.
- Antiviral compositions for treating the flu7 Apr 2026US 12,594,280 B2Hospices Civils De Lyon
- Diagnostic methods for t cell therapy24 Feb 2026US 12,559,718 B2
- Aerosolized formulations of hiv protease inhibitors for the treatment of airway reflux10 Sep 2026US 2026/0263489 A1The Medical College of Wisconsin, Inc.
- Oral dosage forms for the treatment of liver disorders and methods of preparing the same27 Aug 2026US 2026/0248825 A1
- Drug combination for treatment of pancreatic cancer27 Aug 2026US 2026/0248826 A1Minneamrita Therapeutics LLC
- Aerosolized formulations of hiv protease inhibitors for the treatment of airway reflux27 Aug 2026US 2026/0248827 A1The Medical College of Wisconsin, Inc.
- Antibody-multidrug conjugate precursor and synthetic intermediate thereof27 Aug 2026US 2026/0248935 A1Ube Corporation
Most cited
By later US patents
- Tocopherol-based antiviral agents and method of using same109US 5,114,957 ABiodor U.S. Holding · 1992
- Methods for controlling ocular hypertension with angiostatic steroids86US 4,876,250 AAlcon Laboratories, Inc. · 1989
- Soft tablet containing high molecular weight polyethylene oxide82US 6,753,009 B2McNeil-PPC, Inc. · 2004
- Angiostatic steroids and methods and compositions for controlling ocular hypertension78US 5,371,078 AAlcon Laboratories, Inc. · 1994
- Angiostatic agents and methods and compositions for controlling ocular hypertension73US 5,990,099 AAlcon Laboratories, Inc. · 1999