A61K 9/5146
Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Official title: {obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyamines, polyanhydrides}
A61K9/5146 (Obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds) appears on 1,563 US grants and 3,107 published applications in this corpus.
Search patents in A61K- Granted patents
- 1,563
- Published applications
- 3,107
- Assignees
- 1,149
- Inventors
- 5,579
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 19 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 6 |
| 2002 | 17 | 31 |
| 2003 | 21 | 40 |
| 2004 | 16 | 39 |
| 2005 | 7 | 41 |
| 2006 | 7 | 68 |
| 2007 | 13 | 42 |
| 2008 | 9 | 60 |
| 2009 | 11 | 71 |
| 2010 | 19 | 93 |
| 2011 | 47 | 99 |
| 2012 | 51 | 93 |
| 2013 | 71 | 112 |
| 2014 | 64 | 163 |
| 2015 | 79 | 154 |
| 2016 | 90 | 164 |
| 2017 | 103 | 172 |
| 2018 | 104 | 149 |
| 2019 | 114 | 185 |
| 2020 | 104 | 206 |
| 2021 | 91 | 196 |
| 2022 | 107 | 190 |
| 2023 | 93 | 214 |
| 2024 | 84 | 182 |
| 2025 | 89 | 183 |
| 2026 | 67 | 154 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lipid nanoparticles comprising sterols and mRNA6 Oct 2026US 12,751,999 B2eTheRNA Immunitherapies NV
- Nanosuspension formulation for treatment of pulmonary fibrosis29 Sep 2026US 12,746,210 B2Federal University of Rio De Janeiro
- Particle composition comprising sialic acid binding ligand29 Sep 2026US 12,746,211 B2Cytodigm, Inc.
- Treating vasculature related diseases or disorders using nanoparticles29 Sep 2026US 12,746,212 B2The Regents of the University of California
- Methods and compositions for preventing skin toxicities caused by biological targeted cancer drugs29 Sep 2026US 12,746,219 B2Hadasit Medical Research Services and Development Ltd.
- Lipid nanoparticle for delivering nucleic acid drug, and preparation method therefor and use thereof8 Oct 2026US 2026/0306419 A1Cansino (Shanghai) Biological Research Co., Ltd.
- Stable polymer-lipid nanoparticle for drug binding and delivery, especially with anticancer properties, and a method for producing stable polymer-lipid nanoparticles carrying drugs, especially with anticancer properties8 Oct 2026US 2026/0306420 A1Bs Biotechna Spolka Akcyjna
- Preparation of tolerizing nanoparticles for the treatment of primary biliary cholangitis8 Oct 2026US 2026/0306598 A1Cour Pharmaceuticals Development Company, Inc.
- Pulsed electromagnetic field transmission for nanoparticles8 Oct 2026US 2026/0306865 A1New Phase Ltd.
- Spleen-targeted lipid nanoparticles1 Oct 2026US 2026/0294826 A1Beijing Jitai Pharmaceutical Technology Co., Ltd.
Most cited
By later US patents
- Anti-angiogenic compositions and methods of use968US 5,716,981 AAngiogenesis Technologies, Inc. · 1998
- Biodegradable injectable nanoparticles724US 5,543,158 AMassachusetts Institute of Technology · 1996
- Particle-containing complex porous materials721US 8,268,344 B2The Regents of the University of Michigan · 2012
- Nanoparticles and microparticles of non-linear hydrophilic-hydrophobic multiblock copolymers586US 6,007,845 AMassachusetts Institute of Technology · 1999
- Anti-angiogenic compositions and methods of use413US 5,886,026 AAngiotech Pharmaceuticals, Inc. · 1999