A61K 9/48
Preparations in capsules
Official title: Preparations in capsules, e.g. of gelatin, of chocolate {(A61K9/0004 takes precedence; bite capsules A61K9/0056)}
A61K9/48 (Preparations in capsules) appears on 15,705 US grants and 27,977 published applications in this corpus.
Search patents in A61K- Granted patents
- 15,705
- Published applications
- 27,977
- Assignees
- 8,208
- Inventors
- 42,898
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 16 | 0 |
| 1978 | 28 | 0 |
| 1979 | 21 | 0 |
| 1980 | 32 | 0 |
| 1981 | 27 | 0 |
| 1982 | 43 | 0 |
| 1983 | 28 | 0 |
| 1984 | 32 | 0 |
| 1985 | 32 | 0 |
| 1986 | 34 | 0 |
| 1987 | 74 | 0 |
| 1988 | 72 | 0 |
| 1989 | 120 | 0 |
| 1990 | 107 | 0 |
| 1991 | 88 | 0 |
| 1992 | 84 | 0 |
| 1993 | 104 | 0 |
| 1994 | 112 | 0 |
| 1995 | 118 | 0 |
| 1996 | 130 | 0 |
| 1997 | 185 | 0 |
| 1998 | 162 | 0 |
| 1999 | 207 | 0 |
| 2000 | 166 | 0 |
| 2001 | 265 | 91 |
| 2002 | 204 | 322 |
| 2003 | 256 | 530 |
| 2004 | 166 | 546 |
| 2005 | 143 | 549 |
| 2006 | 176 | 593 |
| 2007 | 118 | 601 |
| 2008 | 132 | 663 |
| 2009 | 118 | 641 |
| 2010 | 236 | 857 |
| 2011 | 251 | 828 |
| 2012 | 366 | 828 |
| 2013 | 513 | 1028 |
| 2014 | 651 | 1284 |
| 2015 | 732 | 1274 |
| 2016 | 772 | 1464 |
| 2017 | 882 | 1504 |
| 2018 | 798 | 1377 |
| 2019 | 967 | 1614 |
| 2020 | 941 | 1786 |
| 2021 | 952 | 1710 |
| 2022 | 920 | 1627 |
| 2023 | 813 | 1619 |
| 2024 | 852 | 1755 |
| 2025 | 863 | 1640 |
| 2026 | 569 | 1246 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 9/50Microcapsules having a gas, liquid or semi-solid filling9,798
- A61K 9/4841Filling excipients4,009
- A61K 9/4816Wall or shell material1,390
- A61K 9/4808Characterised by the form of the capsule or the structure of the1,366
- A61K 9/4891Coated capsules889
- A61K 9/4833Encapsulating processes484
- A61K 9/4883Capsule finishing65
Recent patents
- Methods of forming an encapsulated core material, an encapsulated material, compositions uses thereof6 Oct 2026US 12,751,902 B2
- Polysaccharide encapsulated oxygen nanobubbles6 Oct 2026US 12,751,927 B2The Board of Trustees of the University of Illinois
- Prolonged-release pharmaceutical composition for oral administration of sultiame6 Oct 2026US 12,751,928 B2Advicenne
- Engineered cells and uses thereof6 Oct 2026US 12,751,929 B2Ohio State Innovation Foundation
- Cell-receptor targeted exosomes6 Oct 2026US 12,751,930 B2City of Hope
- Steroid-cationic lipid compound and use thereof8 Oct 2026US 2026/0306406 A1Cansino (Shanghai) Biological Research Co., Ltd.
- Modular multiplatform system for mrna drug production8 Oct 2026US 2026/0306407 A1BioNTech SE
- Composition and Method for Topical Trans-spinal Delivery of Nucleic Acids and Small Molecules8 Oct 2026US 2026/0306414 A13P Biotechnologies, Inc.
- Active loading of biomolecular cargo into engineered vesicles8 Oct 2026US 2026/0306415 A1Northwestern University
- Extracellular vesicles for the delivery of payloads to eukaryotic cells8 Oct 2026US 2026/0306416 A1Alaya.bio Inc.
Most cited
By later US patents
- Pharmaceutical compositions containing a magnetically detectable material1,481US 5,079,006 AAprex Corporation · 1992
- Particle immobilized coatings and uses thereof1,386US 8,679,454 B2SurModics, Inc. · 2014
- Absorbent articles comprising nanoparticles1,110US 7,988,779 B2McNeil-PPC, Inc. · 2011
- Controlled release formulations coated with aqueous dispersions of acrylic polymers1,011US 5,639,476 AEuro-Celtique S. A. · 1997
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998