A61K 51/0412
Having oxygen as the only ring hetero atom
Official title: {having oxygen as the only ring hetero atom, e.g. fungichromin}
A61K51/0412 (Having oxygen as the only ring hetero atom) appears on 83 US grants and 120 published applications in this corpus.
Search patents in A61K- Granted patents
- 83
- Published applications
- 120
- Assignees
- 75
- Inventors
- 268
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 10 |
| 2006 | 1 | 3 |
| 2007 | 2 | 4 |
| 2008 | 4 | 7 |
| 2009 | 2 | 7 |
| 2010 | 3 | 3 |
| 2011 | 0 | 1 |
| 2012 | 4 | 8 |
| 2013 | 3 | 5 |
| 2014 | 5 | 6 |
| 2015 | 6 | 4 |
| 2016 | 1 | 7 |
| 2017 | 3 | 2 |
| 2018 | 3 | 9 |
| 2019 | 4 | 4 |
| 2020 | 3 | 10 |
| 2021 | 8 | 5 |
| 2022 | 1 | 7 |
| 2023 | 3 | 4 |
| 2024 | 6 | 4 |
| 2025 | 2 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 51/0421Having six-membered rings with one oxygen as the only ring hetero atom49
- A61K 51/0419Having five-membered rings with one oxygen as the only ring hetero atom21
- A61K 51/0423Having two or more oxygen atoms in the same ring13
- A61K 51/0427Lactones6
- A61K 51/0417Having four-membered rings4
- A61K 51/0425Compounds containing methylenedioxyphenol groups4
- A61K 51/0414Having three-membered rings0
Recent patents
- Cromolyn derivatives and related methods of imaging and treatment21 Apr 2026US 12,605,471 B2The General Hospital Corporation
- Therapeutic use of mitochondria and combined mitochondrial agents14 Apr 2026US 12,600,800 B2Beth Israel Deaconess Medical Center, Inc.
- Deuterium substituted positron emission tomography (PET) imaging agents and their pharmacological application10 Feb 2026US 12,544,463 B2Five Eleven Pharma Inc.
- Cromolyn esters and uses thereof12 Aug 2025US 12,383,528 B2The General Hospital Corporation
- One-step, fast, 18F-19F isotopic exchange radiolabeling of difluoro-dioxaborinins and use of such compounds in treatment5 Aug 2025US 12,378,261 B2Cornell University
- Nitrogen-containing heterocyclic compound, preparation method therefor, and use thereof6 Aug 2026US 2026/0226049 A1Bivision Pharmaceuticals, Inc.
- Small molecule tracers binding to alpha-synuclein aggregates and their uses23 Jul 2026US 2026/0207795 A1Fudan University
- Formulations of psma imaging agents9 Jul 2026US 2026/0191770 A1Clarity Pharmaceuticals Ltd
- Amphiphilic compounds for attenuating neurotoxicity of amyloid-beta oligomers and diagnostic methods29 Jan 2026US 2026/0027243 A1The Board of Trustees of the University of Illinois
- Probes for cellular senescence17 Jul 2025US 2025/0228983 A1
Most cited
By later US patents
- System for targeted delivery of therapeutic agents127US 8,709,483 B2Massachusetts Institute of Technology · 2014
- Method of measurement in biological systems53US 5,209,919 AThe Regents of the University of California · 1993
- PSMA-targeting compounds and uses thereof47US 9,056,841 B2The Johns Hopkins University · 2015
- Method of measurement in biological systems44US 5,376,355 AThe Regents of the University of California · 1994
- Cromolyn derivatives and related methods of imaging and treatment40US 8,617,517 B2The General Hospital Corporation · 2013