A61K 9/14
Particulate form
Official title: Particulate form, e.g. powders, {Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles (microspheres A61K9/16; microcapsules A61K9/50; nanocapsules, nanoparticles of the matrix type A61K9/51)}
A61K9/14 (Particulate form) appears on 15,402 US grants and 26,071 published applications in this corpus.
Search patents in A61K- Granted patents
- 15,402
- Published applications
- 26,071
- Assignees
- 8,066
- Inventors
- 39,888
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 14 | 0 |
| 1978 | 19 | 0 |
| 1979 | 16 | 0 |
| 1980 | 15 | 0 |
| 1981 | 11 | 0 |
| 1982 | 28 | 0 |
| 1983 | 27 | 0 |
| 1984 | 20 | 0 |
| 1985 | 28 | 0 |
| 1986 | 40 | 0 |
| 1987 | 67 | 0 |
| 1988 | 69 | 0 |
| 1989 | 106 | 0 |
| 1990 | 97 | 0 |
| 1991 | 98 | 0 |
| 1992 | 79 | 0 |
| 1993 | 94 | 0 |
| 1994 | 97 | 0 |
| 1995 | 130 | 0 |
| 1996 | 155 | 0 |
| 1997 | 193 | 0 |
| 1998 | 190 | 0 |
| 1999 | 244 | 0 |
| 2000 | 205 | 0 |
| 2001 | 260 | 113 |
| 2002 | 277 | 445 |
| 2003 | 312 | 642 |
| 2004 | 192 | 662 |
| 2005 | 168 | 681 |
| 2006 | 224 | 671 |
| 2007 | 153 | 713 |
| 2008 | 159 | 772 |
| 2009 | 156 | 781 |
| 2010 | 299 | 951 |
| 2011 | 280 | 858 |
| 2012 | 437 | 852 |
| 2013 | 584 | 996 |
| 2014 | 755 | 1206 |
| 2015 | 734 | 1285 |
| 2016 | 762 | 1373 |
| 2017 | 840 | 1428 |
| 2018 | 794 | 1209 |
| 2019 | 854 | 1390 |
| 2020 | 841 | 1524 |
| 2021 | 803 | 1508 |
| 2022 | 791 | 1469 |
| 2023 | 729 | 1380 |
| 2024 | 739 | 1244 |
| 2025 | 730 | 1117 |
| 2026 | 458 | 801 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanostructure or microstructure and method for producing same6 Oct 2026US 12,751,923 B2The University of Tokyo
- Carotenoid preparations, preparation methods, and application thereof6 Oct 2026US 12,751,924 B2Innobio Corporation Limited
- Powder mixing device, and uses thereof6 Oct 2026US 12,751,925 B2University of Connecticut
- Formulation for oral administration, comprising triazine derivative6 Oct 2026US 12,751,955 B2Shionogi & Co., Ltd.
- Cannabidiol nanodrug formulations and methods for use of the same6 Oct 2026US 12,751,959 B2University of Miami
- Method of addressing alzheimer's disease or non-alzheimer's dementia8 Oct 2026US 2026/0305670 A1G. Nofar Food Agency Ltd.
- Hyaluronic acid hydrogels with agent to enhance resorption8 Oct 2026US 2026/0306398 A1Boston Scientific Scimed, Inc.
- Steroid-cationic lipid compound and use thereof8 Oct 2026US 2026/0306406 A1Cansino (Shanghai) Biological Research Co., Ltd.
- Subcutaneous peptide delivery system8 Oct 2026US 2026/0306408 A1
- Drug-containing particle8 Oct 2026US 2026/0306409 A1Towa Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Polyhydroxyalkanoate compositions having controlled degradation rates1,516US 6,867,248 B1Metabolix, Inc. · 2005
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Method for making a bioerodible material for the sustained release of a medicament and the material made from the method1,033US 5,456,917 ACambridge Scientific, Inc. · 1995
- Surface modified drug nanoparticles993US 5,145,684 ASterling Drug Inc. · 1992
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998