A61K 9/0065
Forms with gastric retention
Official title: {Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus}
A61K9/0065 (Forms with gastric retention) appears on 471 US grants and 798 published applications in this corpus.
Search patents in A61K- Granted patents
- 471
- Published applications
- 798
- Assignees
- 343
- Inventors
- 1,248
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 4 |
| 2002 | 8 | 9 |
| 2003 | 11 | 20 |
| 2004 | 3 | 14 |
| 2005 | 3 | 23 |
| 2006 | 3 | 17 |
| 2007 | 1 | 17 |
| 2008 | 3 | 22 |
| 2009 | 4 | 23 |
| 2010 | 11 | 34 |
| 2011 | 9 | 36 |
| 2012 | 14 | 36 |
| 2013 | 15 | 42 |
| 2014 | 23 | 33 |
| 2015 | 20 | 34 |
| 2016 | 27 | 36 |
| 2017 | 31 | 40 |
| 2018 | 17 | 28 |
| 2019 | 23 | 58 |
| 2020 | 27 | 48 |
| 2021 | 30 | 46 |
| 2022 | 31 | 47 |
| 2023 | 24 | 46 |
| 2024 | 24 | 41 |
| 2025 | 18 | 21 |
| 2026 | 14 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gastric residence systems having a filament for improved gastric residence15 Sep 2026US 12,734,128 B2Nortiva Bio, Inc.
- Oral drug delivery device with expanding arms25 Aug 2026US 12,714,666 B2Eli Lilly and Company
- Capsule device with an aperture formed by an overlap of two halve-capsule shells4 Aug 2026US 12,697,284 B2EsoCap AG
- Lacosamide pharmaceutical composition as well as preparation method and applications thereof28 Jul 2026US 12,691,071 B2Shanghai Yonsun Biotechnology Co., Ltd.
- Polymer compositions21 Jul 2026US 12,686,749 B2Oxford Medical Products Limited
- Gastrointestinal retentive formulations of echinocandins1 Oct 2026US 2026/0295002 A1The Cleveland Clinic Foundation
- Novel alginate and cellulose derivative based composition of the liquid anti-reflux formulation24 Sep 2026US 2026/0283945 A1Danisco India Pvt. Ltd.
- Capsules for appetite suppression20 Aug 2026US 2026/0240672 A1
- Formulations Of Apremilast13 Aug 2026US 2026/0232631 A1Amgen Inc.
- Modified release drug powder composition comprising gastro-retentive raft forming systems having trigger pulse drug release16 Jul 2026US 2026/0199230 A1Tris Pharma, Inc.
Most cited
By later US patents
- Tablet shapes to enhance gastric retention of swellable controlled-release oral dosage forms314US 6,488,962 B1Depomed, Inc. · 2002
- Hydrogels having enhanced elasticity and mechanical strength properties280US 6,960,617 B2Purdue Research Foundation · 2005
- Extending the duration of drug release within the stomach during the fed mode271US 6,340,475 B22002
- Drug-dispensing device and method270US 4,207,890 AMcNeilab, Inc. · 1980
- Prolonged release active agent dosage form adapted for gastric retention261US 6,120,803 AAlza Corporation · 2000