Method and composition for maintaining hair dye color

US7981167B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Jose Antonio Carballada · Cincinnati, US
• Timothy Roy Nijakowski · Mason, US
• Bryan Patrick Murphy · Loveland, US
• Alexis M.J.A. Huyghues-Despointes · Maria Luisa, VE
• Axel Kalbfleisch · Darmstadt, DE

Key dates

• Filing date: Jul 22, 2009
• Grant date: Jul 19, 2011
• Expiry date: Oct 13, 2029

Classification

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

Abstract

A method of preventing color loss from dyed hair comprising the application of a hair care composition comprising from about 0.1% to about 20% of a sulfoalkyl(meth)acrylate compound, an alkylacetamido(meth)acrylate, or a mixture thereof, and a dermatologically acceptable carrier wherein the sulfoalkyl(meth)acrylate compound and the alkylacetamido(meth)acrylate undergo polymerization inside the hair fibers.