A61K 49/183
Having a magnetic core coated or functionalised with an inorganic material or
Official title: {having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus}
A61K49/183 (Having a magnetic core coated or functionalised with an inorganic material or) appears on 73 US grants and 107 published applications in this corpus.
Search patents in A61K- Granted patents
- 73
- Published applications
- 107
- Assignees
- 77
- Inventors
- 262
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 6 |
| 2011 | 0 | 9 |
| 2012 | 3 | 7 |
| 2013 | 3 | 4 |
| 2014 | 1 | 2 |
| 2015 | 5 | 7 |
| 2016 | 0 | 3 |
| 2017 | 3 | 5 |
| 2018 | 2 | 6 |
| 2019 | 6 | 5 |
| 2020 | 3 | 5 |
| 2021 | 3 | 3 |
| 2022 | 9 | 10 |
| 2023 | 8 | 8 |
| 2024 | 3 | 4 |
| 2025 | 1 | 5 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite ferrite nanoparticle with synergistic enhancement of liver specificity and preparation method and application thereof28 Apr 2026US 12,611,471 B2Xi'an Supermag Bio-Nanotech Co., Ltd.
- Near-infrared dyes and conjugates for targeting tumors14 Apr 2026US 12,599,682 B2Lahjavida, LLC
- Bismuth-gadolinium nanoparticles10 Mar 2026US 12,569,560 B2Centre National De La Recherche Scientifique
- Compositions and methods for delivery of RNA7 Oct 2025US 12,433,957 B2HDT Bio Corp.
- Compositions and methods for delivery of RNA5 Nov 2024US 12,133,894 B2HDT Bio Corp.
- Method for synthesizing zeolite nanoparticles in a saline phosphate buffer and associated nanoparticles, suspensions, pharmaceutical composition and uses8 Oct 2026US 2026/0306532 A1Centre National De La Recherche Scientifique
- All-in-one multimodal nanotheranostic platform for image-guided therapy20 Aug 2026US 2026/0241003 A1The Johns Hopkins University
- Near-Infrared Dyes And Conjugates For Targeting Tumors20 Aug 2026US 2026/0241040 A1Lahjavida, LLC
- Core-shell nanoparticle having a nitrogen-vacancy nanodiamond core surrounded by an upconversion nanoparticle shell for enhanced quantum sensing and laser cooling19 Feb 2026US 2026/0048154 A1Toyota Jidosha Kabushiki Kaisha
- Compositions and methods for delivery of rna8 Jan 2026US 2026/0007769 A1HDT Bio Corp.
Most cited
By later US patents
- Coated nanoparticles262US 6,548,264 B1University of Florida · 2003
- Preparation of apatite particles for medical diagnostic imaging55US 5,344,640 AMallinckrodt Medical, Inc. · 1994
- Calcium/oxyanion-containing particles with a polymerical alkoxy coating for use in medical diagnostic imaging54US 5,520,904 AMallinckrodt Medical, Inc. · 1996
- Method of making nanoparticles36US 7,332,351 B2University of Florida · 2008
- Biodegradable magnetic microcluster comprising non-magnetic metal or metal oxide particles coated with a functionalized polymer32US 5,225,282 AMolecular BioQuest, Inc. · 1993