A61K 49/0423
Nanoparticles, nanobeads, nanospheres, nanocapsules, i.e. having a size or diameter smaller than
Official title: {Nanoparticles, nanobeads, nanospheres, nanocapsules, i.e. having a size or diameter smaller than 1 micrometer}
A61K49/0423 (Nanoparticles, nanobeads, nanospheres, nanocapsules, i.e. having a size or diameter smaller than) appears on 118 US grants and 210 published applications in this corpus.
Search patents in A61K- Granted patents
- 118
- Published applications
- 210
- Assignees
- 143
- Inventors
- 540
- 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 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 1 | 14 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 16 |
| 2011 | 1 | 8 |
| 2012 | 4 | 10 |
| 2013 | 7 | 8 |
| 2014 | 6 | 12 |
| 2015 | 8 | 20 |
| 2016 | 7 | 16 |
| 2017 | 10 | 9 |
| 2018 | 7 | 15 |
| 2019 | 6 | 7 |
| 2020 | 11 | 13 |
| 2021 | 4 | 7 |
| 2022 | 7 | 8 |
| 2023 | 6 | 9 |
| 2024 | 7 | 10 |
| 2025 | 4 | 6 |
| 2026 | 3 | 9 |
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
- 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
- Use of telomerase inhibitors for the treatment of myeloproliferative disorders and myeloproliferative neoplasms14 Oct 2025US 12,442,000 B2Geron Corporation
- Enhanced MSC preparations9 Sep 2025US 12,410,405 B2Mesoblast International Sarl
- 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
- L-ergothioneine-gold nanoparticles and preparation method and application thereof23 Apr 2026US 2026/0108633 A1Guangzhou First People's Hospital
Most cited
By later US patents
- Surface modified drug nanoparticles993US 5,145,684 ASterling Drug Inc. · 1992
- Surface modified anticancer nanoparticles469US 5,399,363 AEastman Kodak Company · 1995
- Surface modified NSAID nanoparticles275US 5,552,160 ANanoSystems L.L.C. · 1996
- Sulfated nonionic block copolymer surfactants as stabilizer coatings for nanoparticle compositions182US 5,569,448 ANano Systems L.L.C. · 1996
- Site-specific adhesion within the GI tract using nanoparticles stabilized by high molecular weight, linear poly (ethylene oxide) polymers143US 5,580,579 ANano Systems L.L.C. · 1996