Multicomponent in situ coloration composition

US12364659B2 · kind B2 · utility

Assignee

• WELLA INTERNATIONAL OPERATIONS SWITZERLAND SARL · CH

Inventors

• Mathias Kurt Herrlein · Kronberg, DE
• Graham Neil McKelvey · Schwalbach, DE
• Simon Paul Godfrey · Uxbridge, GB
• Matija Crne · Wiesbaden, DE
• Andrej Gross · Darmstadt, DE
• Malte Afflerbach · Darmstadt, DE
• Corinne Mohr · Darmstadt, DE

Key dates

• Filing date: Oct 1, 2019
• Grant date: Jul 22, 2025
• Expiry date: Jul 16, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A multicomponent composition for coloration of materials such as keratin fibers, keratin material, keratin textiles including but not limited to hair, eyebrows, eyelashes, skin, nails and animal fiber textiles is disclosed. The multicomponent composition comprises a first component of a CDI link compound having inert or reactive termini and having at least two groups capable of in situ combination with carbodiimide which preferably are acid groups, a second component of a polycarbodiimide terminated by inert or reactive groups, a third component of a polyamine. Optional additional components are also disclosed.