Hair coloring composition and methods for its application and removal

US11904042B2 · kind B2 · utility

Assignee

• HFC Prestige International Holding Switzerland S.a.r.l. · CH

Inventors

• Markus Speckbacher · Aschaffenburg, DE
• Ingo Weber · Basel, CH
• Petra Braun · Munster, DE
• Malte Afflerbach · Darmstadt, DE
• Corinne Mohr · Darmstadt, DE
• Simon Paul Godfrey · Uxbridge, GB
• Mathias Kurt Herrlein · Kronberg, DE
• Matija Crne · Wiesbaden, DE
• Graham Neil McKelvey · Schwalbach, DE
• Andrej Gross · Darmstadt, DE
• Tatjana Schaefer · Schwalbach, DE
• Yan Wang · Parsippany, US

Key dates

• Filing date: Jul 5, 2019
• Grant date: Feb 20, 2024
• Expiry date: Jan 8, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/95
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The instant disclosure generally relates to a coloring composition for coloring mammalian or synthetic keratin fibers or keratinous surfaces. The composition comprising a medium, optionally pigment microparticles and at least one dye, in particular at least one peri-arylene dye dissolved in the medium. Methods of using such compositions are also described herein.