A61K 49/0091
Microparticle, microcapsule, microbubble, microsphere, microbead, i.e. having a size or diameter higher
Official title: {Microparticle, microcapsule, microbubble, microsphere, microbead, i.e. having a size or diameter higher or equal to 1 micrometer}
A61K49/0091 (Microparticle, microcapsule, microbubble, microsphere, microbead, i.e. having a size or diameter higher) appears on 441 US grants and 772 published applications in this corpus.
Search patents in A61K- Granted patents
- 441
- Published applications
- 772
- Assignees
- 409
- Inventors
- 1,924
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 3 |
| 2003 | 2 | 6 |
| 2004 | 1 | 6 |
| 2005 | 1 | 9 |
| 2006 | 3 | 4 |
| 2007 | 3 | 21 |
| 2008 | 1 | 24 |
| 2009 | 2 | 31 |
| 2010 | 4 | 28 |
| 2011 | 13 | 39 |
| 2012 | 14 | 27 |
| 2013 | 26 | 48 |
| 2014 | 27 | 38 |
| 2015 | 23 | 62 |
| 2016 | 26 | 45 |
| 2017 | 37 | 42 |
| 2018 | 36 | 49 |
| 2019 | 48 | 48 |
| 2020 | 31 | 59 |
| 2021 | 30 | 38 |
| 2022 | 25 | 40 |
| 2023 | 22 | 32 |
| 2024 | 17 | 27 |
| 2025 | 22 | 27 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for treating cancerous tissue with a nanotherapeutic1 Sep 2026US 12,721,910 B2Imam Abdulrahman Bin Faisal University
- Methods for preparing nanotherapeutic compositions1 Sep 2026US 12,721,911 B2Imam Abdulrahman Bin Faisal University
- Functionalized silica nanorings, methods of making same, and uses thereof11 Aug 2026US 12,703,637 B2Cornell University
- Extracellular vesicles and compositions thereof14 Jul 2026US 12,678,465 B2Exo Biologics SA
- Stimuli-responsive nanoparticles for biomedical applications16 Jun 2026US 12,653,911 B2The Brigham and Women S Hospital, Inc.
- Extracellular Vesicles and Compositions Thereof1 Oct 2026US 2026/0294977 A1Exo Biologics SA
- Dual-modal tumor imaging using functionalized iron-oxide nanoparticles for mri and fluorescence imaging3 Sep 2026US 2026/0256952 A1University of South Florida
- Nanoparticles For Imaging And Treatment Of Arthritis And Inflammatory Joint Diseases13 Aug 2026US 2026/0232847 A1Cornell University
- Bi-specific extracellular matrix binding peptides and methods of use thereof13 Aug 2026US 2026/0234190 A1University of Tartu
- Fluorescent Emission Spectral Stacking of Polymer Encapsulated Quantum Dots6 Aug 2026US 2026/0224739 A1Core Quantum Technologies, Inc.
Most cited
By later US patents
- Liquid delivery compositions268US 5,780,044 AAtrix Laboratories, Inc. · 1998
- Liquid delivery compositions243US 5,744,153 AAtrix Laboratories, Inc. · 1998
- Diagnostic/therapeutic agents having microbubbles coupled to one or more vectors228US 6,261,537 B1Nycomed Imaging AS · 2001
- Liquid delivery compositions162US 5,759,563 AAtrix Laboratories, Inc. · 1998
- Targeted ultrasound contrast agents118US 6,264,917 B1Nycomed Imaging AS · 2001