A61K 49/1878
The nanoparticle having a magnetically inert core and a magnetic coating
Official title: {the nanoparticle having a magnetically inert core and a (super)(para)magnetic coating}
A61K49/1878 (The nanoparticle having a magnetically inert core and a magnetic coating) appears on 78 US grants and 125 published applications in this corpus.
Search patents in A61K- Granted patents
- 78
- Published applications
- 125
- Assignees
- 101
- Inventors
- 303
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 4 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 6 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 8 |
| 2010 | 0 | 2 |
| 2011 | 1 | 8 |
| 2012 | 4 | 9 |
| 2013 | 3 | 3 |
| 2014 | 2 | 5 |
| 2015 | 4 | 9 |
| 2016 | 2 | 5 |
| 2017 | 5 | 5 |
| 2018 | 3 | 6 |
| 2019 | 7 | 8 |
| 2020 | 3 | 9 |
| 2021 | 4 | 5 |
| 2022 | 4 | 5 |
| 2023 | 6 | 11 |
| 2024 | 4 | 2 |
| 2025 | 4 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrafine nanoparticles comprising a functionalized polyorganosiloxane matrix and including metal complexes; method for obtaining same and uses thereof in medical imaging and/or therapy27 Jan 2026US 12,533,426 B2Centre National De La Recherche Scientifique
- Nanocarrier systems for imaging and delivery of active agents6 Jan 2026US 12,514,935 B2Kansas State University Research Foundation
- Superparamagnetic particle imaging and its applications in quantitative multiplex stationary phase diagnostic assays30 Dec 2025US 12,510,613 B2Mars Sciences Limited
- Method for increasing dispersion stability of nanoparticles as T1 MRI contrast agent and T1 MRI contrast nanoparticles16 Dec 2025US 12,496,363 B2Inventera Inc.
- MRI contrast agent including T1 contrast material coated on surface of nanoparticle support10 Jun 2025US 12,324,844 B2Inventera Pharmaceuticals Inc.
- Conjugates having antifouling nanoparticles and methods of use9 Jul 2026US 2026/0191997 A1Board of Regents, The University of Texas System
- Method for increasing dispersion stability of nanoparticles as t1 mri contrast agent and t1 mri contrast nanoparticles19 Mar 2026US 2026/0077070 A1Inventera Inc.
- Multi-Functional Nanoparticle System for Delivery of NAD+ Precursors, Sirtuin Activators, Senolytic Agents, and Stem Cells with pH-Responsive Release5 Mar 2026US 2026/0061071 A1
- Mri contrast agent including t1 contrast material coated on surface of nanoparticle support4 Sep 2025US 2025/0276099 A1Inventera Pharmaceuticals Inc.
- Method for making a curcuminoid-containing drug delivery composition31 Jul 2025US 2025/0241871 A1Imam Abdulrahman Bin Faisal University
Most cited
By later US patents
- Method of magnetic resonance focused surgical and therapeutic ultrasound166US 6,088,613 AImaRx Pharmaceutical Corp. · 2000
- Percutaneous lymphography using particulate fluorocarbon emulsions165US 5,114,703 AAlliance Pharmaceutical Corp. · 1992
- Non-invasive methods for surgery in the vasculature94US 6,576,220 B2Imarx Therapeutics, Inc. · 2003
- Process for making doses formulation of contrast media from concentrate88US 5,450,847 ASchering Corporation · 1995
- Process for making doses formulation of contrast media from concentrate77US 5,592,940 ASchering Corporation · 1997