Hair colouration, method and kit thereof

US10681971B2 · kind B2 · utility

Assignee

• NOXELL CORPORATION · US

Inventors

• Matija Crne · Wiesbaden, DE
• Lars Siegfried Dahne · Berlin, DE
• Gabriella Egri · Berlin, DE
• Christian Funk · Berlin, DE
• Mathias Kurt Herrlein · Kronberg, DE
• Klaus Hilbig · Frankfurt, DE
• Moritz Klickermann · Berlin, DE
• Tatjana Schafer · Rockenberg, DE

Key dates

• Filing date: Mar 15, 2018
• Grant date: Jun 16, 2020
• Expiry date: Apr 24, 2038

Classification

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

Abstract

Method for colouring hair wherein a first composition comprising at least one cationic polymer and a second composition comprising at least one anionic polymer are alternately applied to the hair.