A61K 9/113
Multiple emulsions
Official title: Multiple emulsions, e.g. oil-in-water-in-oil {(A61K9/0026 takes precedence)}
A61K9/113 (Multiple emulsions) appears on 129 US grants and 175 published applications in this corpus.
Search patents in A61K- Granted patents
- 129
- Published applications
- 175
- Assignees
- 145
- Inventors
- 484
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 6 |
| 2004 | 2 | 6 |
| 2005 | 0 | 5 |
| 2006 | 5 | 3 |
| 2007 | 1 | 4 |
| 2008 | 0 | 5 |
| 2009 | 0 | 6 |
| 2010 | 2 | 3 |
| 2011 | 1 | 4 |
| 2012 | 1 | 7 |
| 2013 | 3 | 8 |
| 2014 | 3 | 8 |
| 2015 | 2 | 4 |
| 2016 | 4 | 14 |
| 2017 | 5 | 6 |
| 2018 | 2 | 7 |
| 2019 | 10 | 11 |
| 2020 | 6 | 11 |
| 2021 | 7 | 11 |
| 2022 | 9 | 7 |
| 2023 | 8 | 12 |
| 2024 | 6 | 11 |
| 2025 | 3 | 7 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- External nano liniment for gout and preparation method thereof3 Feb 2026US 12,539,273 B2
- Initial burst release controlled depot composition and a method thereof13 Jan 2026US 12,521,349 B2Tionlab Therapeutics
- Biodegradable polymer formulations for extended efficacy of botulinum toxin15 Apr 2025US 12,274,796 B2SK Joint Ventures II, LLC
- Sustained-release microparticles containing deslorelin, and preparation method therefor18 Mar 2025US 12,251,419 B2Inventage Lab Inc.
- Controlled outgassing of hyperbarically loaded materials for the delivery of oxygen and other therapeutic gases in biomedical applications14 Jan 2025US 12,194,265 B2The Johns Hopkins University
- Methods for preparing an emulsion17 Sep 2026US 2026/0272794 A1The Board of Trustees of the University of Illinois
- Method of treating gout by topical application of nano liniment14 May 2026US 2026/0130853 A1
- Preparation of nano liniment for external treatment of gout14 May 2026US 2026/0130854 A1
- Lipid fusion depot composition with controlled initial release, and method for preparing same12 Feb 2026US 2026/0041636 A1Tionlab Therapeutics
- Double emulsion structure for low frequencies ultrasound-triggered drug delivery15 Jan 2026US 2026/0014256 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Emulsions and techniques for formation330US 7,776,927 B2President and Fellows of Harvard College · 2010
- Multiple emulsions comprising a hydrophobic continuous phase228US 5,980,936 AAlliance Pharmaceutical Corp. · 1999
- Pharmaceutical formulations comprising microcapsules222US 5,384,133 AInnovata Biomed Limited · 1995
- Microparticular pharmaceutical compositions173US 5,858,398 AIsomed, Inc. · 1999
- Bioadhesive nanoparticulate compositions having cationic surface stabilizers156US 6,428,814 B1Elan Pharma International Limited · 2002