A61K 49/1887
Agglomerates, clusters, i.e. more than one magnetic microparticle or nanoparticle are aggregated
Official title: {Agglomerates, clusters, i.e. more than one (super)(para)magnetic microparticle or nanoparticle are aggregated or entrapped in the same maxtrix}
A61K49/1887 (Agglomerates, clusters, i.e. more than one magnetic microparticle or nanoparticle are aggregated) appears on 44 US grants and 73 published applications in this corpus.
Search patents in A61K- Granted patents
- 44
- Published applications
- 73
- Assignees
- 68
- Inventors
- 251
- Latest grant
- 12 May 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 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 5 |
| 2011 | 0 | 4 |
| 2012 | 2 | 5 |
| 2013 | 4 | 6 |
| 2014 | 5 | 4 |
| 2015 | 1 | 4 |
| 2016 | 1 | 1 |
| 2017 | 5 | 4 |
| 2018 | 2 | 4 |
| 2019 | 0 | 0 |
| 2020 | 2 | 4 |
| 2021 | 3 | 2 |
| 2022 | 2 | 4 |
| 2023 | 1 | 4 |
| 2024 | 0 | 7 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tumor-targeting, clearable human protein-based MRI nanoprobes, and compositions and methods thereof12 May 2026US 12,622,983 B2University of Massachusetts
- Non-degradable embolisation microsphere17 Feb 2026US 12,552,891 B2Guerbet
- Composite embolization beads1 Aug 2023US 11,712,487 B2Raika Medical Imaging Inc.
- Tumor-targeting, clearable human protein-based MRI nanoprobes, and compositions and methods thereof28 Jun 2022US 11,369,698 B2University of Massachusetts
- Magnetic nanoparticles for destroying pathological cells in an individual28 Jun 2022US 11,369,699 B2Nanobacterie
- Customizable lyophilized agent for image-guided radiotherapy and drug delivery28 May 2026US 2026/0144901 A1The Johns Hopkins University
- Platelet diagnostic imaging agents1 Aug 2024US 2024/0254443 A1Cellphire, Inc.
- Self-assembled biocompatible imaging particles, their synthesis and their use in imaging techniques18 Jul 2024US 2024/0238456 A1Centre Hospitalier Universitaire De Caen Normandie
- Use of Self-Assembled Nanocrystals20 Jun 2024US 2024/0197885 A1Centre National de la Recherche Scientifique (CNRS)
- Ultrasmall gadolinium-intercalated carbon dots as a radiosensitizing agent for cancer23 May 2024US 2024/0165235 A1University of Georgia Research Foundation, Inc.
Most cited
By later US patents
- Method of incorporating water-soluble heat-sensitive therapeutic agents in albumin microspheres112US 4,357,259 ANorthwestern University · 1982
- Superparamagnetic particles, process for producing the same and their use108US 5,916,539 ASilica Gel Ges. m.b.H. · 1999
- Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides64US 5,055,288 AAdvanced Magnetics, Inc. · 1991
- Magnetic nanoscale particle compositions, and therapeutic methods related thereto51US 7,731,648 B2Aduro Biotech, Inc. · 2010
- Composite particles, derived conjugates, preparation method and applications50US 7,217,457 B2Bio Merieux · 2007