A61K 8/066
Multiple emulsions
Official title: {Multiple emulsions, e.g. water-in-oil-in-water}
A61K8/066 (Multiple emulsions) appears on 123 US grants and 163 published applications in this corpus.
Search patents in A61K- Granted patents
- 123
- Published applications
- 163
- Assignees
- 90
- Inventors
- 459
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 0 |
| 2002 | 5 | 11 |
| 2003 | 4 | 8 |
| 2004 | 3 | 7 |
| 2005 | 1 | 7 |
| 2006 | 3 | 3 |
| 2007 | 2 | 10 |
| 2008 | 1 | 5 |
| 2009 | 1 | 10 |
| 2010 | 1 | 6 |
| 2011 | 3 | 1 |
| 2012 | 2 | 5 |
| 2013 | 6 | 4 |
| 2014 | 3 | 10 |
| 2015 | 4 | 5 |
| 2016 | 3 | 12 |
| 2017 | 5 | 5 |
| 2018 | 4 | 4 |
| 2019 | 2 | 6 |
| 2020 | 2 | 9 |
| 2021 | 3 | 8 |
| 2022 | 3 | 7 |
| 2023 | 3 | 4 |
| 2024 | 2 | 3 |
| 2025 | 3 | 10 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-in-oil-in-water type emulsion cosmetic composition and method for manufacturing thereof23 Dec 2025US 12,502,340 B2Kolmar Korea Co., Ltd.
- W/O/W emulsion composition12 Aug 2025US 12,383,476 B2Shiseido Company, Ltd.
- Cosmetic compositions comprising 4-hydroxyacetophenone5 Aug 2025US 12,377,031 B2L'oreal
- Cosmetic composition in multiple emulsion formulation15 Oct 2024US 12,115,238 B2Amorepacific Corporation
- Double emulsions30 Apr 2024US 11,968,993 B2Cargill, Incorporated
- Methods for preparing an emulsion17 Sep 2026US 2026/0272794 A1The Board of Trustees of the University of Illinois
- Lipid-based microcapsules11 Jun 2026US 2026/0157944 A1
- Topical delivery systems and methods of use26 Mar 2026US 2026/0083647 A1
- Water oil water emulsion containing high metal salt concentration25 Dec 2025US 2025/0387306 A1Honeywell International Inc.
- Cosmetic composition for immediately improving the appearance of skin4 Dec 2025US 2025/0367085 A1L'oreal
Most cited
By later US patents
- Multiple emulsion having a form of water/oil/water phase and process for preparation thereof, and multiple emulsion type cosmetics104US 4,254,105 AThe Lion Dentifrice Co., Ltd. · 1981
- Oil-in-water-in-silicone emulsion compositions104US 4,960,764 ARichardson-Vicks Inc. · 1990
- Polar solvent-in-oil emulsions and multiple emulsions101US 6,080,394 ADow Corning Corporation · 2000
- Low emulsifier multiple emulsions99US 6,660,252 B2Color Access, Inc. · 2003
- Water-in-oil-in-water compositions71US 5,656,280 AHelene Curtis, Inc. · 1997