Bicomponent composition

US11324688B2 · kind B2 · utility

Assignee

• WELLA INTERNATIONAL OPERATIONS SWI · CH

Inventors

• Mathias Kurt Herrlein · Kronberg, DE
• Graham Neil McKelvey · Schwalbach, DE
• Matija Crne · Wiesbaden, DE
• Corinne Mohr · Darmstadt, DE
• Simon Paul Godfrey · Uxbridge, GB
• Axel Meyer · Frankfurt am Main, DE

Key dates

• Filing date: Mar 27, 2019
• Grant date: May 10, 2022
• Expiry date: Mar 27, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/884
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The instant disclosure generally relates to a bicomponent composition for coloring mammalian or synthetic keratin fibers, the bicomponent composition comprising first, second, components. The first component includes an organic polymer, the second component includes a pretreatment base compound. One or more of the components includes pigment microparticles. The bicomponent composition combines upon application to treated material such as hair, forms a solid coating thereon and has a substantially long color fastness following development (setting). Methods of using such compositions are also described herein.