Pearlescent pigments containing cosmetic compositions

US8765103B2 · kind B2 · utility

Assignees

• GLASSFLAKE LTD · GB
• ECKART GmbH · DE

Inventors

• Günter Kaupp · Jessenitz Siedlung, DE
• Ulrich Schmidt · Flörsheim, DE
• Katrin Steinbach · Koblenzer Straße, DE
• Dirk Schumacher · Pegnitz, DE

Key dates

• Filing date: Apr 4, 2008
• Grant date: Jul 1, 2014
• Expiry date: Apr 9, 2028

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/651
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention is directed to a cosmetic composition comprising an effect pigment based on a glass flake as a substrate with a coating, said coating comprising at least one layer of at least one high refractive material, said material having a refractive index of at least 1.8, and/or a semitransparent metal coating wherein said glass flakes comprising the following composition: 65-75 wt.-% silicon oxide, preferably SiO2 2-9 wt.-% aluminium oxide, preferably Al2O3 0.0-5 wt.-% calcium oxide, preferably CaO 5-12 wt.-% sodium oxide, preferably Na2O 8-15 wt.-% boron oxide, preferably B2O3 0.1-5 wt.-% titanium oxide, preferably TiO2 0.0-5 wt.-% zirconium oxide, preferably ZrO2 based on the weight of said glass flakes. The invention is also directed to the use of the cosmetic composition.