A61K 8/064
Water-in-oil emulsions
Official title: {Water-in-oil emulsions, e.g. Water-in-silicone emulsions}
A61K8/064 (Water-in-oil emulsions) appears on 660 US grants and 979 published applications in this corpus.
Search patents in A61K- Granted patents
- 660
- Published applications
- 979
- Assignees
- 292
- Inventors
- 2,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 13 | 0 |
| 1998 | 13 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 16 | 5 |
| 2002 | 25 | 18 |
| 2003 | 19 | 21 |
| 2004 | 6 | 28 |
| 2005 | 11 | 26 |
| 2006 | 6 | 20 |
| 2007 | 6 | 20 |
| 2008 | 3 | 17 |
| 2009 | 4 | 25 |
| 2010 | 11 | 27 |
| 2011 | 9 | 34 |
| 2012 | 10 | 36 |
| 2013 | 13 | 18 |
| 2014 | 21 | 35 |
| 2015 | 29 | 46 |
| 2016 | 25 | 52 |
| 2017 | 27 | 47 |
| 2018 | 23 | 49 |
| 2019 | 29 | 63 |
| 2020 | 30 | 60 |
| 2021 | 29 | 67 |
| 2022 | 43 | 67 |
| 2023 | 29 | 64 |
| 2024 | 27 | 64 |
| 2025 | 28 | 39 |
| 2026 | 26 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-in-oil cosmetic composition with maximized feeling of moisture6 Oct 2026US 12,751,903 B2Kolmar Korea Co., Ltd.
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Solid composition in the form of water-in-oil emulsion29 Sep 2026US 12,746,190 B2L'oreal
- Aqueous emulsion based antiperspirant formulation22 Sep 2026US 12,740,934 B2Dow Global Technologies LLC
- Water-in-oil emulsion composition15 Sep 2026US 12,734,117 B2Resonac Corporation
- Compositions comprising niacinamide and resveratrol salicylate1 Oct 2026US 2026/0294763 A1ELC Management LLC
- Color cosmetics formulation1 Oct 2026US 2026/0294783 A1Coty Inc.
- W/o composition comprising ionically crosslinked cationic polymer selected from chitosans and polylysines24 Sep 2026US 2026/0283932 A1L'oreal
- Cosmetic24 Sep 2026US 2026/0283934 A1Shin-Etsu Chemical Co., Ltd.
- Methods for preparing an emulsion17 Sep 2026US 2026/0272794 A1The Board of Trustees of the University of Illinois
Most cited
By later US patents
- Silicone polymer, paste-like silicone composition, and w/o-type cosmetic composition comprising the same207US 5,412,004 AKose Corporation · 1995
- Microbiocidal polymeric quaternary ammonium compounds200US 4,005,193 AMillmaster Onyx Corporation · 1977
- Bilayers preparations141US 6,022,561 AScotia LipidTeknik AB · 2000
- Emulsion compositions comprising a siloxane-oxyalkylene copolymer and an organic surfactant128US 4,122,029 ADow Corning Corporation · 1978
- Personal care composition comprising hydrophobic gel112US 7,270,828 B2The Procter & Gamble Company · 2007