A61K 49/1851
Having a magnetic core coated or functionalised with an organic macromolecular compound
Official title: {having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule (peptide or protein A61K49/1866; polyamino acid A61K49/1872; antibody A61K49/1875)}
A61K49/1851 (Having a magnetic core coated or functionalised with an organic macromolecular compound) appears on 275 US grants and 431 published applications in this corpus.
Search patents in A61K- Granted patents
- 275
- Published applications
- 431
- Assignees
- 286
- Inventors
- 1,111
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 16 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 7 |
| 2003 | 6 | 12 |
| 2004 | 1 | 2 |
| 2005 | 1 | 7 |
| 2006 | 1 | 8 |
| 2007 | 1 | 12 |
| 2008 | 1 | 12 |
| 2009 | 2 | 29 |
| 2010 | 2 | 21 |
| 2011 | 4 | 31 |
| 2012 | 6 | 29 |
| 2013 | 19 | 28 |
| 2014 | 11 | 31 |
| 2015 | 22 | 24 |
| 2016 | 12 | 29 |
| 2017 | 20 | 18 |
| 2018 | 14 | 25 |
| 2019 | 10 | 20 |
| 2020 | 10 | 10 |
| 2021 | 18 | 23 |
| 2022 | 9 | 12 |
| 2023 | 8 | 16 |
| 2024 | 5 | 17 |
| 2025 | 9 | 3 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 49/1863The organic macromolecular compound being a polysaccharide or derivative thereof142
- A61K 49/1857The organic macromolecular compound being obtained otherwise than by reactions only involving129
- A61K 49/1854The organic macromolecular compound being obtained by reactions only involving carbon-to-carbon unsaturated41
Recent patents
- Magnetic probe apparatus23 Jun 2026US 12,663,487 B2Endomagnetics Ltd
- Mapping nanoparticles14 Apr 2026US 12,599,683 B2Ferronova Pty Ltd
- 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
- Method for increasing dispersion stability of nanoparticles as T1 MRI contrast agent and T1 MRI contrast nanoparticles16 Dec 2025US 12,496,363 B2Inventera Inc.
- Methods and systems for cell labeling and imaging18 Nov 2025US 12,473,522 B2Cellfe, Inc.
- Dual-modal tumor imaging using functionalized iron-oxide nanoparticles for mri and fluorescence imaging3 Sep 2026US 2026/0256952 A1University of South Florida
- Glycyrrhizin-glycol chitosan conjugate-coated iron oxide nanoparticles and use thereof14 May 2026US 2026/0130951 A1Industry-University Cooperation Foundation Hanyang University
- Multi-modal molecular imaging nanoprobe for early warning and dynamic monitoring of atherosclerotic plaques and use thereof23 Apr 2026US 2026/0108636 A1The Sixth Medical Center of Chinese Pla General Hospital
- Method for increasing dispersion stability of nanoparticles as t1 mri contrast agent and t1 mri contrast nanoparticles19 Mar 2026US 2026/0077070 A1Inventera Inc.
- Compositions and methods for tunable magnetic nanoparticles5 Mar 2026US 2026/0061070 A1The General Hospital Corporation
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
- 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
- Method for the preparation of fluorocarbon-containing polymeric shells for medical imaging192US 5,505,932 AVivorx Pharmaceuticals, Inc. · 1996