A61K 8/0262
Characterized by the central layer
Official title: {Characterized by the central layer}
A61K8/0262 (Characterized by the central layer) appears on 31 US grants and 44 published applications in this corpus.
Search patents in A61K- Granted patents
- 31
- Published applications
- 44
- Assignees
- 25
- Inventors
- 114
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 4 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 3 | 4 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 1 |
| 2024 | 4 | 2 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-pollution composite powder having UV- and fine dust-blocking function and cosmetic composition comprising same28 Apr 2026US 12,611,367 B2Cqv Co., Ltd.
- Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent VI15 Jul 2025US 12,357,554 B2Henkel AG & Co. KGaA
- Effect pigments having a reflective core and semiconductor layers6 May 2025US 12,290,579 B2Eckart America Corporation
- Aqueous liquid cosmetic11 Feb 2025US 12,220,471 B2JO Cosmetics Co., Ltd.
- Pigment mixture24 Dec 2024US 12,173,163 B2Merck Patent GmbH
- Glitter material10 Sep 2026US 2026/0263329 A1Nippon Sheet Glass Co., Ltd.
- Diffractive effect pigments having a reflective core and semiconductor coatings6 Mar 2025US 2025/0073135 A1Eckart America Corporation
- Effect pigments having a reflective core and semiconductor layers13 Feb 2025US 2025/0049650 A1Eckart America Corporation
- Cosmetic composition for use on the skin21 Nov 2024US 2024/0382408 A1
- Process of coloring keratinous material comprising the use of an organosilicon compound, an effect pigment, and a sealing reagent vi27 Jun 2024US 2024/0207160 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Pigment mixture28US 6,632,275 B1Merck Patent GmbH · 2003
- Cosmetic composition in the powder form23US 6,461,595 B1Industria e Comercio de Cosmeticos Natura Ltda. · 2002
- Pigment mixture19US 6,773,499 B2Merck Patent GmbH · 2004
- Pigment mixture, and the use thereof in cosmetics and in the foods and pharmaceuticals sector18US 7,485,183 B2Merck Patent GmbH · 2009
- Method of preparing a hair treatment formulation comprising nanoparticles in solution and method of hair treatment utilizing a treatment formulation comprising nanoparticles in solution15US 8,795,643 B12014