A61K 49/226
Solutes, emulsions, suspensions, dispersions, semi-solid forms
Official title: {Solutes, emulsions, suspensions, dispersions, semi-solid forms, e.g. hydrogels}
A61K49/226 (Solutes, emulsions, suspensions, dispersions, semi-solid forms) appears on 166 US grants and 185 published applications in this corpus.
Search patents in A61K- Granted patents
- 166
- Published applications
- 185
- Assignees
- 118
- Inventors
- 372
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 15 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 4 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 0 | 5 |
| 2005 | 2 | 4 |
| 2006 | 1 | 6 |
| 2007 | 2 | 6 |
| 2008 | 1 | 4 |
| 2009 | 2 | 5 |
| 2010 | 1 | 0 |
| 2011 | 4 | 4 |
| 2012 | 0 | 7 |
| 2013 | 2 | 7 |
| 2014 | 7 | 6 |
| 2015 | 4 | 7 |
| 2016 | 2 | 14 |
| 2017 | 9 | 7 |
| 2018 | 6 | 14 |
| 2019 | 9 | 15 |
| 2020 | 11 | 13 |
| 2021 | 7 | 12 |
| 2022 | 11 | 12 |
| 2023 | 2 | 6 |
| 2024 | 7 | 8 |
| 2025 | 2 | 11 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nanoemulsion with porphyrin shell26 May 2026US 12,636,384 B2University Health Network
- Occlusive implant compositions31 Mar 2026US 12,589,182 B2University of Virginia Patent Foundation
- Ultrasound transducer acoustic coupling6 Jan 2026US 12,514,548 B2Xiver Mems Foundry B.V.
- Coupling agent produced from naturally fermented and sustainable additives6 May 2025US 12,290,578 B2Wiesman Holdings, LLC
- Thermo-responsive ultrasound coupling gel, and methods and uses thereof14 Jan 2025US 12,193,874 B2University of Maryland, Baltimore
- Ultrasound coupling agent8 Oct 2026US 2026/0306057 A1Sonoclear AS
- Acoustic matching member and method for capturing medical image16 Jul 2026US 2026/0198892 A1FUJIFILM Corporation
- Compositions of dispersed systems for biomedical applications, process for their preparation and uses thereof11 Dec 2025US 2025/0375539 A1Centre National De La Recherche Scientifique
- Medical hydrogel containing ultrasonically-imageable bubble microspheres and preparation method thereof4 Dec 2025US 2025/0367331 A1Shanghai Reunion Medical Co., Ltd.
- Coupling Agent Produced From Naturally Fermented And Sustainable Additives28 Aug 2025US 2025/0269071 A1Wiesman Holdings, LLC
Most cited
By later US patents
- Composition useful for in vivo delivery of biologics and methods employing same369US 5,498,421 AVivorx Pharmaceuticals, Inc. · 1996
- Ultrasonic contrast agents for color Doppler imaging292US 5,425,366 ASchering Corporation · 1995
- Methods for in vivo delivery of substantially water insoluble pharmacologically active agents and compositions useful therefor289US 5,439,686 AVivorx Pharmaceuticals, Inc. · 1995
- Surfactant mixtures, stable gas-in-liquid emulsions, and methods for the production of such emulsions from said mixtures246US 4,684,479 A1987
- Mucoadhesive compositions for increasing the ultrasonic image contrast of the digestive tract241US 5,688,490 ABracco International B. V. · 1997