B01F 23/4144
Multiple emulsions, in particular double emulsions
Official title: {Multiple emulsions, in particular double emulsions, e.g. water in oil in water; Three-phase emulsions}
B01F23/4144 (Multiple emulsions, in particular double emulsions) appears on 58 US grants and 58 published applications in this corpus.
Search patents in B01F- Granted patents
- 58
- Published applications
- 58
- Assignees
- 36
- Inventors
- 162
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 0 | 5 |
| 2007 | 3 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 0 |
| 2010 | 4 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 4 |
| 2017 | 1 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 3 | 6 |
| 2023 | 5 | 4 |
| 2024 | 7 | 3 |
| 2025 | 4 | 9 |
By publication year. Applications have been published since 2001.
Recent patents
- Nanocarrier manufacturing9 Dec 2025US 12,491,482 B2Evonik Operations GmbH
- Manufacturing of bupivacaine multivesicular liposomes13 May 2025US 12,296,047 B2Pacira Pharmaceuticals, Inc.
- Devices, systems, and methods for increasing droplet formation efficiency8 Apr 2025US 12,269,036 B210x Genomics, Inc.
- Devices and methods for dispersing a first phase in a substantially immiscible continuous phase21 Jan 2025US 12,201,952 B2Capsum
- Manufacturing of bupivacaine multivesicular liposomes31 Dec 2024US 12,178,909 B1Pacira Pharmaceuticals, Inc.
- Patterning wettability in complex microfluidic channels for very large-scale generation of double emulsions11 Dec 2025US 2025/0375746 A1The Trustees of the University of Pennsylvania
- Double emulsion and capsules23 Oct 2025US 2025/0325947 A1Calyxia
- Devices, systems, and methods for increasing droplet formation efficiency21 Aug 2025US 2025/0262619 A110x Genomics, Inc.
- Improved nanocarrier manufacturing14 Aug 2025US 2025/0256248 A1Evonik Operations GmbH
- Manufacturing of bupivacaine multivesicular liposomes1 May 2025US 2025/0134814 A1Pacira Pharmaceuticals, Inc.
Most cited
By later US patents
- Process for producing emulsion and microcapsules and apparatus therefor402US 7,268,167 B2Japan Science and Technology Agency · 2007
- Process and apparatus for producing emulsion and microcapsules164US 7,772,287 B2Japan Science and Technology Agency · 2010
- Stable reverse and multiple fluorocarbon emulsions106US 5,904,933 AAlliance Pharmaceutical Corp. · 1999
- Method for releasing an active principle contained a multiple emulsion84US 6,627,603 B1Centre National de la Recherche Scientifiquue (C.N.R.S.) · 2003
- Multiple emulsions created using jetting and other techniques79US 10,874,997 B2President and Fellows of Harvard College · 2020