A61K 2800/436
Interference pigments
Official title: Interference pigments, e.g. Iridescent, Pearlescent
A61K2800/436 (Interference pigments) appears on 244 US grants and 364 published applications in this corpus.
Search patents in A61K- Granted patents
- 244
- Published applications
- 364
- Assignees
- 129
- Inventors
- 764
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 10 | 5 |
| 2003 | 12 | 21 |
| 2004 | 6 | 22 |
| 2005 | 5 | 24 |
| 2006 | 1 | 10 |
| 2007 | 6 | 11 |
| 2008 | 3 | 22 |
| 2009 | 4 | 19 |
| 2010 | 7 | 8 |
| 2011 | 5 | 12 |
| 2012 | 10 | 14 |
| 2013 | 3 | 8 |
| 2014 | 8 | 14 |
| 2015 | 12 | 9 |
| 2016 | 8 | 17 |
| 2017 | 4 | 9 |
| 2018 | 5 | 17 |
| 2019 | 8 | 19 |
| 2020 | 11 | 19 |
| 2021 | 13 | 20 |
| 2022 | 15 | 29 |
| 2023 | 12 | 11 |
| 2024 | 7 | 12 |
| 2025 | 8 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for dyeing keratinous material, comprising the use of an organosilicon compound, a colored effect pigment and a film-forming polymer IV15 Sep 2026US 12,734,123 B2Henkel AG & Co. KGaA
- Oil-in-water emulsified cosmetic25 Aug 2026US 12,714,658 B2L V M H Recherche
- Coated pigment24 Feb 2026US 12,559,630 B2Toyo Aluminium Kabushiki Kaisha
- Cellulose nanocrystal effect pigments for cosmetic applications6 Jan 2026US 12,514,807 B2Sun Chemical Corporation
- Long-lasting solid cosmetic composition18 Nov 2025US 12,472,128 B2Chanel Parfums Beaute
- Zinc sulfide interference pigments, synthesis method and cosmetic composition16 Jul 2026US 2026/0199195 A1
- Zinc sulfide interference pigments, synthesis method and cosmetic composition16 Jul 2026US 2026/0201169 A1
- Care and/or Make-Up Composition for Keratin Materials Comprising at Least One Volatile Solvent, a Particular Polyester and a Colorant28 May 2026US 2026/0144737 A1L'oreal
- Cosmetic compositions21 May 2026US 2026/0137604 A1L'oreal
- Creamy silicone and sulfate-free conditioning shampoo23 Apr 2026US 2026/0108445 A1L'oreal
Most cited
By later US patents
- Multiply coated metallic luster pigments136US 5,624,486 ABASF SE · 1997
- Interference pigments125US 6,596,070 B1Merck Patent Gesellschaft · 2003
- Stable aqueous surfactant compositions107US 6,897,253 B2Noveon IP Holdings Corp. · 2005
- Lustrous black interference pigments100US 7,303,622 B2Merck Patent GmbH · 2007
- Nacreous pigments97US 4,867,793 AMerck Patent GmbH · 1989