A61K 47/6927
The form being a solid microparticle having no hollow or gas-filled cores
Official title: {the form being a solid microparticle having no hollow or gas-filled cores}
A61K47/6927 (The form being a solid microparticle having no hollow or gas-filled cores) appears on 1,827 US grants and 3,689 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,827
- Published applications
- 3,689
- Assignees
- 1,365
- Inventors
- 7,077
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 14 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 2 |
| 2002 | 17 | 23 |
| 2003 | 15 | 23 |
| 2004 | 7 | 29 |
| 2005 | 8 | 40 |
| 2006 | 10 | 44 |
| 2007 | 7 | 45 |
| 2008 | 10 | 46 |
| 2009 | 17 | 53 |
| 2010 | 11 | 81 |
| 2011 | 22 | 76 |
| 2012 | 42 | 86 |
| 2013 | 62 | 109 |
| 2014 | 56 | 140 |
| 2015 | 72 | 149 |
| 2016 | 93 | 173 |
| 2017 | 94 | 184 |
| 2018 | 96 | 219 |
| 2019 | 133 | 225 |
| 2020 | 151 | 249 |
| 2021 | 136 | 314 |
| 2022 | 121 | 312 |
| 2023 | 144 | 295 |
| 2024 | 149 | 296 |
| 2025 | 158 | 249 |
| 2026 | 96 | 227 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Therapeutic carbon nanomaterial H2S oxidants for biological polysulfide synthesis6 Oct 2026US 12,752,017 B2The Texas A&M University System
- Method for treating tumours by capturing copper and/or iron6 Oct 2026US 12,752,018 B2Centre National De La Recherche Scentifique (Cnrs)
- Pharmaceutical composition for treatment or prevention of ischemic cardiovascular disease29 Sep 2026US 12,746,220 B2Industry-Academic Cooperation Foundation, Yonsei University
- Cobalt-porphyrin complexes for the inactivation of the biological activity of opioids15 Sep 2026US 12,734,146 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Treatment and/or diagnosis of a cancer type characterized by expressing zinc transporter ZIP415 Sep 2026US 12,734,245 B2Universitat Pompeu Fabra
- Nanoparticles for photoimmune therapy comprising photosensitizer and adjuvant, and usage thereof8 Oct 2026US 2026/0306632 A1Korea Institute of Science and Technology
- Thrombin sensitive platelet like particles8 Oct 2026US 2026/0306660 A1North Carolina State University
- Adipose targeting peptides, compositions, and methods of use thereof1 Oct 2026US 2026/0295070 A1Arizona Board of Regents on behalf of Arizona State University
- Use of alginate oligomers to enhance the translocation of micro/nanoparticles across mucus layers1 Oct 2026US 2026/0295071 A1Algipharma AS
- Polymer nanoparticle compositions for non-viral gene delivery1 Oct 2026US 2026/0295072 A1Battelle Memorial Institute
Most cited
By later US patents
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998
- Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers896US 5,410,016 ABoard of Regents, The University of Texas System · 1995
- Biodegradable injectable nanoparticles724US 5,543,158 AMassachusetts Institute of Technology · 1996
- Gels for encapsulation of biological materials587US 5,858,746 ABoard of Regents, The University of Texas System · 1999