A61K 9/1274
Non-vesicle bilayer structures
Official title: Non-vesicle bilayer structures, e.g. liquid crystals, tubules, cubic phases or cochleates; Sponge phases
A61K9/1274 (Non-vesicle bilayer structures) appears on 237 US grants and 316 published applications in this corpus.
Search patents in A61K- Granted patents
- 237
- Published applications
- 316
- Assignees
- 182
- Inventors
- 593
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 3 |
| 2002 | 9 | 16 |
| 2003 | 12 | 13 |
| 2004 | 5 | 12 |
| 2005 | 2 | 14 |
| 2006 | 7 | 7 |
| 2007 | 2 | 17 |
| 2008 | 4 | 16 |
| 2009 | 3 | 12 |
| 2010 | 5 | 11 |
| 2011 | 4 | 11 |
| 2012 | 13 | 12 |
| 2013 | 15 | 9 |
| 2014 | 8 | 21 |
| 2015 | 7 | 14 |
| 2016 | 13 | 12 |
| 2017 | 17 | 13 |
| 2018 | 11 | 16 |
| 2019 | 4 | 8 |
| 2020 | 4 | 11 |
| 2021 | 5 | 12 |
| 2022 | 5 | 13 |
| 2023 | 6 | 14 |
| 2024 | 6 | 13 |
| 2025 | 6 | 6 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liposomes encapsulating adenosine15 Sep 2026US 12,734,129 B2New York University
- Non-liposomal systems for nucleic acid delivery30 Jun 2026US 12,668,799 B2Arbutus Biopharma Corporation
- Compositions and methods of use thereof for treatment of mastitis19 May 2026US 12,629,336 B2CureMast, Inc.
- Antimicrobial compositions and methods of use10 Mar 2026US 12,569,508 B2
- Cochleates made with soy phosphatidylserine9 Sep 2025US 12,409,227 B2Matinas Biopharma Nanotechnologies, Inc.
- Heterocyclic compound and use thereof24 Sep 2026US 2026/0285888 A1Otsuka Pharmaceutical Co., Ltd.
- Carrier as a multifunctional system30 Jul 2026US 2026/0216067 A1Lifesome Therapeutics, S.L.
- Cochleates made with soy phosphatidylserine30 Jul 2026US 2026/0216339 A1Matinas Biopharma Nanotechnologies, Inc.
- External preparation comprising non-lamellar liquid crystal-forming lipid11 Jun 2026US 2026/0158146 A1Farnex Incorporated
- Ion pair liquid crystal formulations for long-acting injectables of poorly soluble drugs9 Apr 2026US 2026/0097044 A1FORDOZ Pharma Corp.
Most cited
By later US patents
- Multiblock biodegradable hydrogels for drug delivery and tissue treatment217US 6,201,065 B1Focal, Inc. · 2001
- Transdermal compositions199US 5,380,761 AChinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt. · 1995
- Use of fatty acid esters as bioadhesive substances198US 5,955,502 AGS Development AB · 1999
- Galenical compositions189US 4,388,307 ASandoz Ltd. · 1983
- Lipid based composition containing diacylglycerol, phospholipid, polar liquid and biologically active material167US 5,807,573 AGS Development AB · 1998