A61K 49/20
Containing free radicals
Official title: containing free radicals {, e.g. trityl radical for overhauser}
A61K49/20 (Containing free radicals) appears on 79 US grants and 48 published applications in this corpus.
Search patents in A61K- Granted patents
- 79
- Published applications
- 48
- Assignees
- 49
- Inventors
- 170
- Latest grant
- 20 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 8 |
| 2011 | 2 | 5 |
| 2012 | 1 | 2 |
| 2013 | 4 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 0 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitroxide containing amyloid binding agents for imaging and therapeutic uses20 Aug 2024US 12,064,488 B2The Regents of the University of California
- Brush-arm star polymer imaging agents and uses thereof12 Sep 2023US 11,752,221 B2Board of Regents of the University of Nebraska
- Method for preparation of highly polarized nuclear spins containing samples and uses thereof for NMR and MRI22 Jun 2021US 11,041,928 B2Technion Research & Development Foundation Limited
- Biometric method16 Feb 2021US 10,918,744 B2Educational Foundation Kyushu Bunka Gakuen
- Nitroxide containing amyloid binding agents for imaging and therapeutic uses5 Jan 2021US 10,881,748 B2The Regents of the University of California
- Contrast agents for enhanced magnetic resonance imaging2 Apr 2026US 2026/0091145 A1San Jose State University Research Foundation
- Composite spin probes with selectable oxygen sensitivity for electron paramagnetic resonance5 Jun 2025US 2025/0180679 A1O2M Technologies, LLC
- Fluorine-containing compound and contrast agent9 Jan 2025US 2025/0011287 A1TDK Corporation
- Trityl-nitroxide multiradicals as polarizing agents for dynmaic nuclear polarization5 Dec 2024US 2024/0400585 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Fluorine-containing compound and contrast medium16 May 2024US 2024/0156994 A1TDK Corporation
Most cited
By later US patents
- Methods for circumventing the problem of free radial reduction associated with the use of stable nitroxide free radicals as contrast agents for magnetic reasonance imaging126US 4,863,717 AThe State of Oregon Acting by and through the State Board of Higher Education on Behalf of the University of Oregon · 1989
- Method of electron spin resonance enhanced magnetic resonance imaging77US 4,984,573 AHafslund Nycomed Innovation AB · 1991
- Diagnostic magnetometry using superparamagnetic particles76US 5,384,109 ANycomed Imaging AS · 1995
- Dendritic amplifier molecules having multiple terminal active groups stemming from a benzyl core group67US 5,567,411 AThe State of Oregon Acting by and through the State Board of Higher Education on Behalf of the University of Oregon · 1996
- Amplifier molecules derived from diethylene triaminepentaacetic acid for enhancement of diagnosis and therapy51US 5,412,148 AThe State of Oregon Acting by and through the State Board of Higher Education on Behalf of the University of Oregon · 1995