A61K 49/1827
Having a magnetic core, being a solid mri-active material
Official title: {having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle}
A61K49/1827 (Having a magnetic core, being a solid mri-active material) appears on 483 US grants and 785 published applications in this corpus.
Search patents in A61K- Granted patents
- 483
- Published applications
- 785
- Assignees
- 456
- Inventors
- 1,827
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 23 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 10 |
| 2003 | 8 | 14 |
| 2004 | 2 | 4 |
| 2005 | 2 | 11 |
| 2006 | 2 | 17 |
| 2007 | 2 | 20 |
| 2008 | 5 | 20 |
| 2009 | 4 | 45 |
| 2010 | 5 | 45 |
| 2011 | 7 | 45 |
| 2012 | 8 | 50 |
| 2013 | 28 | 41 |
| 2014 | 28 | 54 |
| 2015 | 28 | 55 |
| 2016 | 25 | 51 |
| 2017 | 33 | 37 |
| 2018 | 26 | 47 |
| 2019 | 21 | 37 |
| 2020 | 27 | 35 |
| 2021 | 24 | 34 |
| 2022 | 30 | 31 |
| 2023 | 21 | 33 |
| 2024 | 11 | 24 |
| 2025 | 19 | 13 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 49/1851Having a magnetic core coated or functionalised with an organic macromolecular compound275
- A61K 49/1833Having a magnetic core coated or functionalised with a small organic molecule178
- A61K 49/1866The nanoparticle having a magnetic core coated or functionalised with a peptide105
- A61K 49/183Having a magnetic core coated or functionalised with an inorganic material or73
- A61K 49/1875Coated or functionalised with an antibody45
Recent patents
- Magnetic formulations for biomarker sampling and enhanced drug delivery22 Sep 2026US 12,741,038 B2Rocket Science Health Corp.
- Blood-brain barrier-penetrating nanotheranostics for acute and chronic neurodegenerative diseases and the like14 Jul 2026US 12,678,457 B2The Governing Council of the University of Toronto
- Magnetic probe apparatus23 Jun 2026US 12,663,487 B2Endomagnetics Ltd
- Conjugate and photoimmunotherapy2 Jun 2026US 12,642,863 B2Jsr Corporation
- Tumor-targeting, clearable human protein-based MRI nanoprobes, and compositions and methods thereof12 May 2026US 12,622,983 B2University of Massachusetts
- 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
- Dual-modal tumor imaging using functionalized iron-oxide nanoparticles for mri and fluorescence imaging3 Sep 2026US 2026/0256952 A1University of South Florida
- 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
- Glycyrrhizin-glycol chitosan conjugate-coated iron oxide nanoparticles and use thereof14 May 2026US 2026/0130951 A1Industry-University Cooperation Foundation Hanyang University
Most cited
By later US patents
- Composition useful for in vivo delivery of biologics and methods employing same369US 5,498,421 AVivorx Pharmaceuticals, Inc. · 1996
- Coated nanoparticles262US 6,548,264 B1University of Florida · 2003
- Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract241US 5,688,490 ABracco International B. V. · 1997
- Methods for the preparation of immunostimulating agents for in vivo delivery200US 5,665,383 AVivorx Pharmaceuticals, Inc. · 1997
- Magnetic resonance imaging with fluorocarbons encapsulated in a cross-linked polymeric shell193US 5,362,478 AVivorx Pharmaceuticals, Inc. · 1994