A61K 49/0414
Particles, beads, capsules or spheres
Official title: {Particles, beads, capsules or spheres}
A61K49/0414 (Particles, beads, capsules or spheres) appears on 197 US grants and 301 published applications in this corpus.
Search patents in A61K- Granted patents
- 197
- Published applications
- 301
- Assignees
- 200
- Inventors
- 744
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 5 |
| 2005 | 0 | 6 |
| 2006 | 2 | 7 |
| 2007 | 2 | 15 |
| 2008 | 2 | 5 |
| 2009 | 1 | 9 |
| 2010 | 1 | 16 |
| 2011 | 2 | 14 |
| 2012 | 5 | 11 |
| 2013 | 8 | 10 |
| 2014 | 8 | 17 |
| 2015 | 11 | 23 |
| 2016 | 9 | 21 |
| 2017 | 16 | 13 |
| 2018 | 8 | 18 |
| 2019 | 7 | 12 |
| 2020 | 14 | 19 |
| 2021 | 13 | 9 |
| 2022 | 9 | 13 |
| 2023 | 7 | 11 |
| 2024 | 9 | 16 |
| 2025 | 8 | 11 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radiographic contrast agents for temporal subtraction and dual-energy x-ray imaging16 Jun 2026US 12,653,474 B2The Trustees of the University of Pennsylvania
- Implants and biodegradable tissue markers12 May 2026US 12,622,982 B2Incept, LLC
- CAR peptide for improved coronavirus survival21 Apr 2026US 12,605,455 B2Vascular Biosciences
- Radiopaque particle compositions and uses thereof10 Mar 2026US 12,569,575 B2Gustave Roussy Transfert
- Selective internal radiation therapy mapping via microbeads with different contrast materials2 Dec 2025US 12,484,865 B2Varian Medical Systems, Inc.
- A method for preparing microparticles for drug delivery27 Aug 2026US 2026/0248735 A1Danmarks Tekniske Universitet
- All-in-one multimodal nanotheranostic platform for image-guided therapy20 Aug 2026US 2026/0241003 A1The Johns Hopkins University
- Novel metal oxide nanoparticles and compositions thereof for use as radioenhancers or for visualizing biological tissue23 Jul 2026US 2026/0207749 A1Nanobiotix (Nanobiotix S.A.)
- Kim-1 active targeting gold nanoparticles, preparation method and application thereof16 Jul 2026US 2026/0199530 A1Guangzhou First People's Hospital
- Customizable lyophilized agent for image-guided radiotherapy and drug delivery28 May 2026US 2026/0144901 A1The Johns Hopkins University
Most cited
By later US patents
- Surface modified drug nanoparticles993US 5,145,684 ASterling Drug Inc. · 1992
- Compositions for use in embolizing blood vessels643US 5,667,767 AMicro Therapeutics, Inc. · 1997
- Compositions for use in embolizing blood vessels544US 5,851,508 AMicroTherapeutics, Inc. · 1998
- Surface modified anticancer nanoparticles469US 5,399,363 AEastman Kodak Company · 1995
- Embolizing compositions280US 5,695,480 AMicro Therapeutics, Inc. · 1997