A61K 9/127
Synthetic bilayered vehicles
Official title: Synthetic bilayered vehicles, e.g. liposomes or liposomes with cholesterol as the only non-phosphatidyl surfactant
A61K9/127 (Synthetic bilayered vehicles) appears on 6,068 US grants and 9,638 published applications in this corpus.
Search patents in A61K- Granted patents
- 6,068
- Published applications
- 9,638
- Assignees
- 3,360
- Inventors
- 15,739
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 15 | 0 |
| 1981 | 6 | 0 |
| 1982 | 12 | 0 |
| 1983 | 13 | 0 |
| 1984 | 13 | 0 |
| 1985 | 22 | 0 |
| 1986 | 22 | 0 |
| 1987 | 22 | 0 |
| 1988 | 41 | 0 |
| 1989 | 50 | 0 |
| 1990 | 74 | 0 |
| 1991 | 79 | 0 |
| 1992 | 71 | 0 |
| 1993 | 80 | 0 |
| 1994 | 70 | 0 |
| 1995 | 72 | 0 |
| 1996 | 81 | 0 |
| 1997 | 135 | 0 |
| 1998 | 197 | 0 |
| 1999 | 150 | 0 |
| 2000 | 140 | 0 |
| 2001 | 131 | 52 |
| 2002 | 127 | 189 |
| 2003 | 105 | 219 |
| 2004 | 78 | 236 |
| 2005 | 53 | 249 |
| 2006 | 81 | 201 |
| 2007 | 57 | 220 |
| 2008 | 69 | 246 |
| 2009 | 59 | 266 |
| 2010 | 95 | 274 |
| 2011 | 93 | 280 |
| 2012 | 119 | 311 |
| 2013 | 123 | 351 |
| 2014 | 212 | 425 |
| 2015 | 233 | 409 |
| 2016 | 250 | 429 |
| 2017 | 273 | 403 |
| 2018 | 287 | 468 |
| 2019 | 279 | 496 |
| 2020 | 290 | 495 |
| 2021 | 277 | 577 |
| 2022 | 277 | 598 |
| 2023 | 267 | 599 |
| 2024 | 287 | 596 |
| 2025 | 324 | 592 |
| 2026 | 246 | 457 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liposomal enhanced intra-peritoneal chemotherapy6 Oct 2026US 12,751,919 B2
- Methods of preparation of pan TLR antagonistic liposomal-LNP formulations and uses thereof6 Oct 2026US 12,751,920 B2Celestial Therapeutics, Inc.
- Medication that protects the intestinal microbiota and their preparation methods and applications6 Oct 2026US 12,751,921 B2University of Science and Technology of China
- Assisted loading of hydrophobic molecules into liposomes6 Oct 2026US 12,751,922 B2University of Connecticut
- Mutant influenza B/Victoria lineage virus hemagglutinin proteins6 Oct 2026US 12,752,001 B2ModernaTX, Inc.
- Modified liposome for drug delivery, use of liposome for drug delivery, especially with anti-cancer activity, and ways to load liposome with drugs, especially with anti-cancer activity8 Oct 2026US 2026/0306403 A1Bs Biotechna Spolka Akcyjna
- Liposome compositions and medical uses thereof8 Oct 2026US 2026/0306404 A1
- Leveraging lipid-protein interactions to engineer spatial organization in cell-free systems8 Oct 2026US 2026/0306405 A1
- 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
Most cited
By later US patents
- Serial injection of muramyldipeptides and liposomes enhances the anti-infective activity of muramyldipeptides1,595US 4,522,811 ASyntex (U.S.A.) Inc. · 1985
- Delivery of exogenous DNA sequences in a mammal1,218US 5,580,859 AVical Incorporated · 1996
- Method of encapsulating biologically active materials in lipid vesicles1,201US 4,235,871 A1980
- Liposomes with enhanced circulation time1,198US 5,013,556 ALiposome Technology, Inc. · 1991
- Induction of a protective immune response in a mammal by injecting a DNA sequence885US 5,589,466 AVical Incorporated · 1996