A61K 2800/21
Emulsions characterized by droplet sizes below 1 micron
A61K2800/21 (Emulsions characterized by droplet sizes below 1 micron) appears on 222 US grants and 359 published applications in this corpus.
Search patents in A61K- Granted patents
- 222
- Published applications
- 359
- Assignees
- 153
- Inventors
- 749
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 3 |
| 2002 | 8 | 7 |
| 2003 | 4 | 10 |
| 2004 | 2 | 8 |
| 2005 | 2 | 9 |
| 2006 | 5 | 8 |
| 2007 | 1 | 9 |
| 2008 | 1 | 3 |
| 2009 | 2 | 7 |
| 2010 | 3 | 19 |
| 2011 | 0 | 18 |
| 2012 | 9 | 7 |
| 2013 | 5 | 20 |
| 2014 | 10 | 21 |
| 2015 | 8 | 16 |
| 2016 | 11 | 19 |
| 2017 | 20 | 20 |
| 2018 | 11 | 27 |
| 2019 | 15 | 23 |
| 2020 | 13 | 19 |
| 2021 | 15 | 29 |
| 2022 | 14 | 14 |
| 2023 | 10 | 16 |
| 2024 | 8 | 9 |
| 2025 | 8 | 12 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Antiperspirant emulsion29 Sep 2026US 12,746,189 B2Conopco, Inc.
- Mixed surfactant for preparing transparent microemulsion and fine nanoemulsion, and cosmetic composition prepared using the same22 Sep 2026US 12,740,927 B2Biobeautech Co., Ltd.
- Sunscreen formulation8 Sep 2026US 12,728,081 B2Fallien Cosmeceuticals, Ltd.
- Cosmetic composition comprising a polymer comprising at least one cationic (meth)acrylamide unit, a particular silicone and at least one surfactant21 Apr 2026US 12,605,326 B2L'oreal
- Fermented nano-emulsifier composition and preparation method therefor17 Mar 2026US 12,576,023 B2Cosmax, Inc.
- Moisturizing Cleansing Composition With Nanoemulsion1 Oct 2026US 2026/0294752 A1Conopco, Inc., d/b/a UNILEVER
- Nanoemulsion and Moisturizing Cleansing Composition Comprising the Same1 Oct 2026US 2026/0294753 A1Conopco, Inc., d/b/a UNILEVER
- Cosmetic And Method of Preparing Cosmetic Compositions with 100 Times Washed 100 A2 Ghee24 Sep 2026US 2026/0283938 A1PSR Global Consultancy Inc.
- Prebiotic w/o microemulsion for preservation of personal care products28 May 2026US 2026/0144721 A1Galaxy Surfactants Ltd.
- Oil in water microemulsion formulation23 Apr 2026US 2026/0108461 A1MED BioDevelopment Inc.
Most cited
By later US patents
- Process for preparing stable oil-in-water emulsions148US 4,254,104 AShiseido Company, Ltd. · 1981
- Transparent nanoemulsion less than 100 NM based on fluid non-ionic amphiphilic lipids and use in cosmetic or in dermopharmaceuticals148US 5,753,241 AL'oreal · 1998
- Cosmetic or dermatological composition comprising an oil-in-water emulsion based on oily globules provided with a lamellar liquid crystal coating139US 5,658,575 AL'oreal · 1997
- Nanoemulsion based on non-ionic and cationic amphiphilic lipids and uses thereof131US 6,039,936 AL'oreal · 2000
- Nanoemulsion based on phosphoric acid fatty acid esters and its uses in the cosmetics, dermatological, pharmaceutical, and/or ophthalmological fields126US 6,274,150 B1L'oreal · 2001