A61K 49/0461
Dispersions, colloids, emulsions or suspensions
Official title: {Dispersions, colloids, emulsions or suspensions}
A61K49/0461 (Dispersions, colloids, emulsions or suspensions) appears on 131 US grants and 93 published applications in this corpus.
Search patents in A61K- Granted patents
- 131
- Published applications
- 93
- Assignees
- 90
- Inventors
- 284
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 2 |
| 2002 | 9 | 4 |
| 2003 | 3 | 7 |
| 2004 | 0 | 3 |
| 2005 | 1 | 5 |
| 2006 | 3 | 2 |
| 2007 | 2 | 5 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 3 | 9 |
| 2015 | 2 | 3 |
| 2016 | 3 | 4 |
| 2017 | 4 | 2 |
| 2018 | 3 | 1 |
| 2019 | 1 | 6 |
| 2020 | 2 | 3 |
| 2021 | 5 | 3 |
| 2022 | 1 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nanoemulsion with porphyrin shell26 May 2026US 12,636,384 B2University Health Network
- CT contrast agent for detection of cachexia7 Oct 2025US 12,433,963 B2UNIVERSITÉ DE GENÈVE; Adiposs SA
- Antibiotic formulations for lower back pain10 Dec 2024US 12,161,750 B2Persica Pharmaceuticals Ltd.
- Nanoemulsion of iodinated fatty acids for CT imaging23 May 2023US 11,654,202 B2University of Geneva
- Composition for hepatic arterial chemoembolization using human serum albumin nanoparticles carrying anticancer agent, and method for producing same4 Apr 2023US 11,617,723 B2Imgt Co., Ltd.
- Ct contrast agent for detection of cachexia8 Jan 2026US 2026/0007779 A1Universite De Geneve
- Materials and methods for repeatable magnetic nanoparticle-based heating for tumor ablation25 Sep 2025US 2025/0295778 A1
- Antibiotic formulations for lower back pain21 Aug 2025US 2025/0262147 A1Persica Pharmaceuticals Ltd.
- Carbon-iodine conjugated polymer and preparation thereof, and use thereof for preparing localization marker13 Feb 2025US 2025/0051510 A1Huazhong University of Science and Technology
- Suspensions of radiopaque crosslinked hydrogel particles in carrier fluids containing biocompatible hydrophilic polymers31 Oct 2024US 2024/0358896 A1Boston Scientific Scimed, Inc.
Most cited
By later US patents
- Targeted co-polymers for radiographic imaging210US 5,746,998 AThe General Hospital Corporation · 1998
- Percutaneous lymphography using particulate fluorocarbon emulsions165US 5,114,703 AAlliance Pharmaceutical Corp. · 1992
- Ultrasmall porous particles for enhancing ultrasound back scatter148US 5,776,496 AUniversity of Rochester · 1998
- Ultrasmall, non-aggregated porous particles of uniform size for entrapping gas bubbles within and methods137US 5,741,522 AUniversity of Rochester · 1998
- Contrast media containing liposomes as carriers124US 4,192,859 AE. R. Squibb & Sons, Inc. · 1980