A61K 9/1273
Polymersomes
Official title: Polymersomes; Liposomes with polymerisable or polymerised bilayer-forming substances
A61K9/1273 (Polymersomes) appears on 254 US grants and 410 published applications in this corpus.
Search patents in A61K- Granted patents
- 254
- Published applications
- 410
- Assignees
- 213
- Inventors
- 909
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 2 | 8 |
| 2003 | 5 | 4 |
| 2004 | 2 | 6 |
| 2005 | 2 | 6 |
| 2006 | 3 | 4 |
| 2007 | 2 | 7 |
| 2008 | 0 | 8 |
| 2009 | 2 | 8 |
| 2010 | 1 | 13 |
| 2011 | 4 | 26 |
| 2012 | 4 | 13 |
| 2013 | 9 | 16 |
| 2014 | 13 | 26 |
| 2015 | 17 | 13 |
| 2016 | 10 | 17 |
| 2017 | 17 | 20 |
| 2018 | 8 | 22 |
| 2019 | 15 | 30 |
| 2020 | 17 | 31 |
| 2021 | 14 | 19 |
| 2022 | 11 | 23 |
| 2023 | 6 | 32 |
| 2024 | 14 | 18 |
| 2025 | 14 | 20 |
| 2026 | 18 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Superoxide dismutase-loaded porous polymersomes as highly efficient antioxidant nanoparticles11 Aug 2026US 12,702,699 B2The Trustees of the University of Pennsylvania
- Liposome formulations for treatment of cancers and drug resistance of cancers28 Jul 2026US 12,691,065 B2NanoTech Pharma Inc.
- Monoglycerol acrylate based polymer and uses thereof30 Jun 2026US 12,668,649 B2Universite Laval
- Stimuli-responsive nanoparticles for biomedical applications16 Jun 2026US 12,653,911 B2The Brigham and Women S Hospital, Inc.
- Delivery carrier into cell2 Jun 2026US 12,642,769 B2Kabusikikaisya ITO
- Liposome Composition Comprising Farnesol and Method of Use Thereof for Treating Fungal Infection24 Sep 2026US 2026/0283957 A1
- Methods and compositions for targeted delivery by polymersomes24 Sep 2026US 2026/0284198 A1Rock Biomedical, Inc.
- Liposomic drug-delivery vehicles10 Sep 2026US 2026/0263366 A1Yeda Research and Development Co. Ltd.
- Nanopreparations loaded with trabectedin and paclitaxel13 Aug 2026US 2026/0232589 A1Shanghai Jiao Tong University
- Polymersomes for delivery of nucleic acid cargoes30 Jul 2026US 2026/0216075 A1
Most cited
By later US patents
- Synthetic phosphatidyl cholines useful in forming liposomes664US 4,485,045 AResearch Corporation · 1984
- Polymerized liposomes targeted to M cells and useful for oral or mucosal drug delivery242US 6,060,082 AMassachusetts Institute of Technology · 2000
- Targeted polymerized liposomes for improved drug delivery211US 6,004,534 AMassachusetts Institute of Technology · 1999
- Polymer compound and coated particle composition169US 5,534,259 ALiposome Technology, Inc. · 1996
- Lipid containing formulations152US 8,642,076 B2Tekmira Pharmaceuticals Corporation · 2014