A61K 51/0423
Having two or more oxygen atoms in the same ring
Official title: {having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel}
A61K51/0423 (Having two or more oxygen atoms in the same ring) appears on 13 US grants and 12 published applications in this corpus.
Search patents in A61K- Granted patents
- 13
- Published applications
- 12
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Half-curcuminoids as amyloid-β PET imaging agents12 Nov 2024US 12,138,321 B2The General Hospital Corporation
- Half-curcuminoids as amyloid-beta pet imaging agents1 Oct 2024US 12,102,695 B2The General Hospital Corporation
- Half-curcuminoids as amyloid-beta PET imaging agents5 Oct 2021US 11,135,318 B2The General Hospital Corporation
- Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation13 Apr 2021US 10,974,235 B2The Trustees of Princeton University
- Half-Curcuminoids as Amyloid-Beta PET Imaging Agents6 Jan 2022US 2022/0001035 A1The General Hospital Corporation
- Half-Curcuminoids as Amyloid-Beta PET Imaging Agents6 Jan 2022US 2022/0001036 A1The General Hospital Corporation
- One-step, fast, 18f-19f isotopic exchange radiolabeling of difluoro-dioxaborinins and use of such compounds in treatment24 Jun 2021US 2021/0188880 A1Cornell University
- Targeted, metal-catalyzed fluorination of complex compounds with fluoride ion via decarboxylation9 Apr 2020US 2020/0108380 A1The Trustees of Princeton University
- Half-Curcuminoids as Amyloid-Beta PET Imaging Agents22 Aug 2019US 2019/0255198 A1The General Hospital Corporation
Most cited
By later US patents
- Method of measurement in biological systems53US 5,209,919 AThe Regents of the University of California · 1993
- Method of measurement in biological systems44US 5,376,355 AThe Regents of the University of California · 1994
- Method for detection of long-lived radioisotopes in small biochemical samples9US 5,366,721 AThe Regents of the University of California · 1994
- Radiolabeled 1-aryl pyrazoles, the synthesis thereof and the use thereof as pest GABA receptor ligands1US 6,409,988 B13-Dimensional Pharmaceuticals, Inc. · 2002