A61K 8/03
Liquid compositions with two or more distinct layers
A61K8/03 (Liquid compositions with two or more distinct layers) appears on 177 US grants and 295 published applications in this corpus.
Search patents in A61K- Granted patents
- 177
- Published applications
- 295
- Assignees
- 89
- Inventors
- 648
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 4 |
| 2002 | 4 | 9 |
| 2003 | 8 | 6 |
| 2004 | 2 | 13 |
| 2005 | 3 | 13 |
| 2006 | 2 | 22 |
| 2007 | 5 | 21 |
| 2008 | 2 | 12 |
| 2009 | 3 | 13 |
| 2010 | 5 | 7 |
| 2011 | 4 | 15 |
| 2012 | 7 | 11 |
| 2013 | 5 | 8 |
| 2014 | 1 | 4 |
| 2015 | 8 | 9 |
| 2016 | 6 | 12 |
| 2017 | 10 | 12 |
| 2018 | 8 | 12 |
| 2019 | 3 | 13 |
| 2020 | 14 | 11 |
| 2021 | 7 | 11 |
| 2022 | 9 | 18 |
| 2023 | 7 | 15 |
| 2024 | 5 | 9 |
| 2025 | 8 | 9 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Two-phase composition7 Jul 2026US 12,673,011 B2L'oreal
- Cosmetic composition of liquid crystal lipid particles for personal care applications31 Mar 2026US 12,589,057 B2BASF SE
- Personal care composition with visually distinct aqueous and oil phase17 Mar 2026US 12,576,014 B2Conopco, Inc.
- Silicone-free biphasic hair restorative30 Dec 2025US 12,508,211 B2Henkel AG & Co. KGaA
- Personal care composition with visually distinct aqueous and oil phase2 Dec 2025US 12,485,071 B2Conopco, Inc.
- Cosmetic composition comprising a recombinant bacterial collagen-like protein (clp) and uses thereof13 Aug 2026US 2026/0232562 A1Evonik Operations GmbH
- Biphasic makeup removal cosmetic composition18 Jun 2026US 2026/0165916 A1L'oreal
- Aqueous Make-up-Removing Composition Having a Mild Peeling Effect18 Jun 2026US 2026/0165931 A1L'oreal
- Hydratable concentrated surfactant compositions11 Jun 2026US 2026/0157947 A1Conopco, Inc., d/b/a UNILEVER
- Multilayer makeup protective cosmetic21 May 2026US 2026/0137603 A1Kose Corporation
Most cited
By later US patents
- Clear, two-phase, foam-forming aerosol hair care product134US 6,589,509 B2Wella Aktiengesellschaft · 2003
- Cosmetic composition and an emulsion composition96US 5,589,515 ANof Corporation · 1996
- Cosmetic compositions and an emulsion composition95US 5,700,396 ANof Corporation · 1997
- Methods for producing foam from multiphase compositions87US 6,946,139 B2Clariant GmbH · 2005
- Multi-phase high viscosity cosmetic products83US 5,059,414 AShiseido Company, Ltd. · 1991