A61K 49/1833
Having a magnetic core coated or functionalised with a small organic molecule
Official title: {having a (super)(para)magnetic core coated or functionalised with a small organic molecule (oligomeric, polymeric, dendrimeric A61K49/1851)}
A61K49/1833 (Having a magnetic core coated or functionalised with a small organic molecule) appears on 178 US grants and 272 published applications in this corpus.
Search patents in A61K- Granted patents
- 178
- Published applications
- 272
- Assignees
- 175
- Inventors
- 685
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 7 |
| 2007 | 1 | 10 |
| 2008 | 3 | 11 |
| 2009 | 1 | 15 |
| 2010 | 3 | 26 |
| 2011 | 1 | 17 |
| 2012 | 3 | 18 |
| 2013 | 15 | 18 |
| 2014 | 17 | 21 |
| 2015 | 8 | 18 |
| 2016 | 12 | 17 |
| 2017 | 12 | 9 |
| 2018 | 10 | 9 |
| 2019 | 7 | 9 |
| 2020 | 7 | 13 |
| 2021 | 4 | 8 |
| 2022 | 12 | 13 |
| 2023 | 11 | 10 |
| 2024 | 3 | 7 |
| 2025 | 3 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 49/1839The small organic molecule being a lipid, a fatty acid having 838
- A61K 49/1845The small organic molecule being a carbohydrate31
- A61K 49/1836The small organic molecule being a carboxylic acid having less than 830
- A61K 49/1842The small organic molecule being a phosphate or a phosphonate, not being28
- A61K 49/1848The small organic molecule being a silane21
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.
- 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.
- Biocompatible magnetic materials8 Apr 2025US 12,268,756 B2MegaPro Biomedical Co., Ltd.
- Placental lipid bilayer for cell-free molecular interaction studies14 Jan 2025US 12,195,755 B2Brown University
- All-in-one multimodal nanotheranostic platform for image-guided therapy20 Aug 2026US 2026/0241003 A1The Johns Hopkins University
- Glycyrrhizin-glycol chitosan conjugate-coated iron oxide nanoparticles and use thereof14 May 2026US 2026/0130951 A1Industry-University Cooperation Foundation Hanyang University
- Compositions and methods for delivery of rna8 Jan 2026US 2026/0007769 A1HDT Bio Corp.
- Magnetic nanoparticles and methods of drug release3 Jul 2025US 2025/0213719 A1University of Notre Dame du Lac
- Compositions and methods for delivery of rna30 Jan 2025US 2025/0032639 A1HDT Bio Corp.
Most cited
By later US patents
- Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract241US 5,688,490 ABracco International B. V. · 1997
- Method of magnetic resonance focused surgical and therapeutic ultrasound166US 6,088,613 AImaRx Pharmaceutical Corp. · 2000
- Resuspendable coated magnetic particles and stable magnetic particle suspensions146US 5,597,531 AImmunivest Corporation · 1997
- Multifunctional magnetic nanoparticle probes for intracellular molecular imaging and monitoring112US 7,459,145 B2Emory University · 2008
- Nanocrystalline magnetic iron oxide particles-method for preparation and use in medical diagnostics and therapy101US 5,427,767 AInstitut fur Diagnostikforschung GmbH an der Freien Universitat Berlin · 1995