A61K 49/1806
Suspensions, emulsions, colloids, dispersions
Official title: {Suspensions, emulsions, colloids, dispersions}
A61K49/1806 (Suspensions, emulsions, colloids, dispersions) appears on 431 US grants and 422 published applications in this corpus.
Search patents in A61K- Granted patents
- 431
- Published applications
- 422
- Assignees
- 295
- Inventors
- 1,083
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 20 | 0 |
| 1998 | 23 | 0 |
| 1999 | 14 | 0 |
| 2000 | 20 | 0 |
| 2001 | 22 | 9 |
| 2002 | 21 | 22 |
| 2003 | 22 | 22 |
| 2004 | 6 | 14 |
| 2005 | 4 | 15 |
| 2006 | 4 | 13 |
| 2007 | 8 | 31 |
| 2008 | 5 | 20 |
| 2009 | 8 | 14 |
| 2010 | 8 | 14 |
| 2011 | 7 | 22 |
| 2012 | 9 | 16 |
| 2013 | 14 | 17 |
| 2014 | 11 | 24 |
| 2015 | 11 | 16 |
| 2016 | 12 | 17 |
| 2017 | 20 | 17 |
| 2018 | 8 | 17 |
| 2019 | 5 | 14 |
| 2020 | 12 | 19 |
| 2021 | 12 | 22 |
| 2022 | 14 | 14 |
| 2023 | 4 | 14 |
| 2024 | 4 | 5 |
| 2025 | 5 | 13 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- MRI contrast agent for use in the diagnosis of early changes in the endothelium of blood vessels15 Sep 2026US 12,734,256 B2Lipid Systems Sp. Z O.O.
- Liposomal nanocarrier delivery system for targeting active CD44 molecule, preparation method therefor, and uses thereof2 Jun 2026US 12,642,875 B2Beijing Inno Medicine Co., Ltd.
- Nanosystems as selective vehicles19 May 2026US 12,629,427 B2Servizo Galego De SAúDe FundacióN Instituto De InvestigacióN Sanitaria De Santiago De Compostela (Fidis)
- Nanocarrier systems for imaging and delivery of active agents6 Jan 2026US 12,514,935 B2Kansas State University Research Foundation
- Natural origin stabilizer for oil in water emulsions30 Sep 2025US 12,427,109 B2FundacióN Cidetec
- Method for synthesizing zeolite nanoparticles in a saline phosphate buffer and associated nanoparticles, suspensions, pharmaceutical composition and uses8 Oct 2026US 2026/0306532 A1Centre National De La Recherche Scientifique
- Mapping glutathione deficiency and/or dysfunction of mitochondria4 Dec 2025US 2025/0371713 A1
- Materials and methods for repeatable magnetic nanoparticle-based heating for tumor ablation25 Sep 2025US 2025/0295778 A1
- Systems and methods for monitoring of delivery of label-free drugs18 Sep 2025US 2025/0288206 A1City University of Hong Kong
- Targeted contrast agents for mri of amyloid deposition11 Sep 2025US 2025/0281652 A1Texas Children’s Hospital
Most cited
By later US patents
- Masking of liposomes from RES recognition611US 4,501,728 ATechnology Unlimited, Inc. · 1985
- Therapeutic drug delivery systems498US 5,580,575 AImaRx Pharmaceutical Corp. · 1996
- Method for the production of medical-grade lipid-coated microbubbles, paramagnetic labeling of such microbubbles and therapeutic uses of microbubbles492US 5,215,680 ACavitation-Control Technology, Inc. · 1993
- Gas and gaseous precursor filled microspheres as topical and subcutaneous delivery vehicles426US 5,733,572 AImaRx Pharmaceutical Corp. · 1998
- Diagnostic media413US 4,647,447 ASchering Corporation · 1987